[Kernel-packages] [Bug 1842546] Re: disco/linux-azure: 5.0.0-1019.20 -proposed tracker

2019-09-09 Thread Andrea Righi
eam (canonical-kernel-team) => Andrea Righi (arighi) ** Changed in: kernel-sru-workflow/prepare-package-meta Status: New => In Progress ** Changed in: kernel-sru-workflow/prepare-package-meta Assignee: Canonical Kernel Team (canonical-kernel-team) => Andrea Righi (arighi) *

[Kernel-packages] [Bug 1844353] Re: disco/linux-kvm: 5.0.0-1018.19 -proposed tracker

2019-09-18 Thread Andrea Righi
eam (canonical-kernel-team) => Andrea Righi (arighi) ** Changed in: kernel-sru-workflow/prepare-package-meta Status: New => In Progress ** Changed in: kernel-sru-workflow/prepare-package-meta Assignee: Canonical Kernel Team (canonical-kernel-team) => Andrea Righi (arighi) -- You r

[Kernel-packages] [Bug 1812845] Re: 3b080b2564287be91605bfd1d5ee985696e61d3c in ubuntu_btrfs_kernel_fixes triggers system hang on i386

2019-03-13 Thread Andrea Righi
** Changed in: ubuntu-kernel-tests Assignee: (unassigned) => Andrea Righi (arighi) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1812845 Ti

[Kernel-packages] [Bug 1902588] Re: zfs mount -a: double free / memory corruption / segfault when mountpoint of dataset is not empty

2020-11-30 Thread Andrea Righi
** Changed in: zfs-linux (Ubuntu Xenial) Status: In Progress => Invalid ** Changed in: zfs-linux (Ubuntu Bionic) Status: In Progress => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bug

[Kernel-packages] [Bug 1901417] Re: zfs mount segmentation fault when target directory is non empty

2020-11-30 Thread Andrea Righi
I've tried to reproduce this problem running the following commands: ubuntu@focal:~$ fallocate -l 8G /home/ubuntu/disk.img ubuntu@focal:~$ sudo zpool create pool1 /home/ubuntu/disk.img ubuntu@focal:~$ sudo zfs create -o encryption=on -o keyformat=passphrase pool1/pool1 Enter passphrase: Re-enter

[Kernel-packages] [Bug 1902588] Re: zfs mount -a: double free / memory corruption / segfault when mountpoint of dataset is not empty

2020-12-01 Thread Andrea Righi
Steps used to verify the fix (both in focal and groovy): $ fallocate -l 8G /home/ubuntu/disk.img $ sudo zpool create pool /home/ubuntu/disk.img $ for i in {1..20}; do sudo zfs create pool/ds$i; done $ sudo zfs unmount pool/ds20 $ sudo zfs mount -a & sudo zfs mount -a & [1] 1964 [2] 1965 ubuntu@gr

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-12-02 Thread Andrea Righi
Hi @seth-arnold, adding some details to this bug: dn->dn_type = 19 = DMU_OT_PLAIN_FILE_CONTENTS dn->dn_type = 20 = DMU_OT_DIRECTORY_CONTENTS So they look correct, they seem to be just plain files and directories. However, the specific object that is causing the panic seems to have dn_type=32

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-12-02 Thread Andrea Righi
I just noticed the bug on github that also mentions about potential data corruption. It looks like we need to recompile zfs with --enable-debug. I'll try to produce a debug package with that. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-12-02 Thread Andrea Righi
I've uploaded the latest version of zfs with debugging enabled (--enable-debug) in this ppa: https://launchpad.net/~arighi/+archive/ubuntu/zfs-linux sudo add-apt-repository ppa:arighi/zfs-linux sudo apt-get update sudo apt-get install zfs-dkms It'd be interesting to repeat the test using this ve

[Kernel-packages] [Bug 1906850] [NEW] aws: xen-netfront: prevent potential error on hibernate

2020-12-04 Thread Andrea Righi
Public bug reported: [Impact] On hibernation xen-netfront is setting the device state on the xenbus to "Closing" and then it's waiting for the backend state to acknowledge that state (with a timeout). However, if the device is already in the state "Closed" this opteration will always hit the time

[Kernel-packages] [Bug 1861235] Re: zfs recv PANIC at range_tree.c:304:range_tree_find_impl()

2020-12-04 Thread Andrea Righi
This time I don't see any error or panic in `journalctl -b` and apparently everything is fine according to smartctl, so it looks like we are not getting any obvious I/O error at the moment. IIUC you have done already a `zpool scrub` and that also didn't report any error, so apparently the zfs data

[Kernel-packages] [Bug 1908099] [NEW] nvidia-dkms-390 fails to build on unstable / 5.10

2020-12-14 Thread Andrea Righi
Public bug reported: [Impact] nvidia-graphics-drivers-390 fails to build against linux 5.10: ERROR (dkms apport): kernel package linux-headers-5.10.0-6-generic is not supported Error! Bad return status for module build on kernel: 5.10.0-6-generic (x86_64) Consult /var/lib/dkms/nvidia/390.138/bu

[Kernel-packages] [Bug 1908099] Re: nvidia-dkms-390 fails to build on unstable / 5.10

2020-12-14 Thread Andrea Righi
make.log in attach. ** Attachment added: "make.log" https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1908099/+attachment/5443483/+files/make.log -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to nvidia-graphics

[Kernel-packages] [Bug 1908099] Re: nvidia-dkms-390 fails to build on unstable / 5.10

2020-12-14 Thread Andrea Righi
debdiff that fixes the 5.10 build errors reported in attach. ** Patch added: "hirsute-nvidia-dkms-390.debdiff" https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1908099/+attachment/5443484/+files/hirsute-nvidia-dkms-390.debdiff -- You received this bug notification b

[Kernel-packages] [Bug 1887727] Re: Permission denied opening file in a directory with a sticky bit

2020-09-02 Thread Andrea Righi
** Changed in: zfs-linux (Ubuntu) Assignee: (unassigned) => Andrea Righi (arighi) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1887727 Title: Permission denied opening f

[Kernel-packages] [Bug 1887727] Re: Permission denied opening file in a directory with a sticky bit

2020-09-02 Thread Andrea Righi
It doesn't seem to be a specific zfs issue, I can reproduce this behavior on any filesystem apparently. It might be caused by a change in the VFS layer, I'll keep investigating. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in

[Kernel-packages] [Bug 1887727] Re: Permission denied opening file in a directory with a sticky bit

2020-09-02 Thread Andrea Righi
This new behavior is enforced by /proc/sys/fs/protected_regular, a new sysctl introduced by commit 30aba6656f61ed44cba445a3c0d38b296fa9e8f5 ("namei: allow restricted O_CREAT of FIFOs and regular files"). The default behavior is to make data spoofing attacks harder, disallowing the open of files no

[Kernel-packages] [Bug 1887727] Re: Permission denied opening file in a directory with a sticky bit

2020-09-02 Thread Andrea Righi
** Changed in: zfs-linux (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1887727 Title: Permission denied opening file in a directory with a sti

[Kernel-packages] [Bug 1891867] Re: zfs not correctly imported at boot

2020-09-07 Thread Andrea Righi
I'm trying to reproduce the problem, but the zpool is always imported correctly for me also at boot. How does your /etc/crypttab look like? And zpool list -v? Thanks. ** Changed in: zfs-linux (Ubuntu) Assignee: (unassigned) => Andrea Righi (arighi) -- You received this bug noti

[Kernel-packages] [Bug 1848653] Re: package zfsutils-linux 0.8.1-1ubuntu14 failed to install/upgrade: installed zfsutils-linux package post-installation script subprocess returned error exit status 1

2020-09-07 Thread Andrea Righi
*** This bug is a duplicate of bug 1841377 *** https://bugs.launchpad.net/bugs/1841377 ** This bug has been marked a duplicate of bug 1841377 package zfsutils-linux 0.8.1-1ubuntu9 failed to install/upgrade: installed zfsutils-linux package post-installation script subprocess returned error

[Kernel-packages] [Bug 1841377] Re: package zfsutils-linux 0.8.1-1ubuntu9 failed to install/upgrade: installed zfsutils-linux package post-installation script subprocess returned error exit status 1

2020-09-07 Thread Andrea Righi
It looks like this issue has been happening multiple times. Apparently it doesn't happen if we try to update a clean install. And the common denominator seems to be that lxd is installed and some containers are running. So, I've tried the following: - setup a bionic VM with an encrypted storage:

[Kernel-packages] [Bug 1841377] Re: package zfsutils-linux 0.8.1-1ubuntu9 failed to install/upgrade: installed zfsutils-linux package post-installation script subprocess returned error exit status 1

2020-09-07 Thread Andrea Righi
Setting the status as "won't fix" for now, because I can't reproduce the problem. If it happens again, please re-open the bug. Thanks. ** Changed in: zfs-linux (Ubuntu) Status: Confirmed => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which

[Kernel-packages] [Bug 1708049] Re: package zfsutils-linux 0.6.5.6-0ubuntu17 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configur

2020-09-07 Thread Andrea Righi
*** This bug is a duplicate of bug 1841377 *** https://bugs.launchpad.net/bugs/1841377 ** This bug has been marked a duplicate of bug 1841377 package zfsutils-linux 0.8.1-1ubuntu9 failed to install/upgrade: installed zfsutils-linux package post-installation script subprocess returned error

[Kernel-packages] [Bug 1887206] Re: package zfsutils-linux 0.8.3-1ubuntu12.1 failed to install/upgrade: installed zfsutils-linux package post-installation script subprocess returned error exit status

2020-09-07 Thread Andrea Righi
*** This bug is a duplicate of bug 1841377 *** https://bugs.launchpad.net/bugs/1841377 ** This bug has been marked a duplicate of bug 1841377 package zfsutils-linux 0.8.1-1ubuntu9 failed to install/upgrade: installed zfsutils-linux package post-installation script subprocess returned error

[Kernel-packages] [Bug 1791143] Re: Suggestion to make zfsutils-linux a snap

2020-09-07 Thread Andrea Righi
** Changed in: zfs-linux (Ubuntu) Status: New => Confirmed ** Changed in: zfs-linux (Ubuntu) Importance: Undecided => Wishlist -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/

[Kernel-packages] [Bug 1888796] Re: package zfs-initramfs 0.8.3-1ubuntu12.2 failed to install/upgrade: problemi con le dipendenze - lasciato non configurato

2020-09-07 Thread Andrea Righi
*** This bug is a duplicate of bug 1841377 *** https://bugs.launchpad.net/bugs/1841377 Possibly also a duplicate of 1841377. ** This bug has been marked a duplicate of bug 1841377 package zfsutils-linux 0.8.1-1ubuntu9 failed to install/upgrade: installed zfsutils-linux package post-instal

[Kernel-packages] [Bug 1786011] Re: zfs-import-cache.service fails when using ZFS as root partition

2020-09-08 Thread Andrea Righi
If I'm not wrong ZFS on root support has been introduced officially from 19.10 (eoan). I'm not sure if this one is still relevant, but with 20.04 I can't reproduce any errors/issues using ZFS as root and zfs-import- cache.service is working just fine. If you are still experiencing this problem, ca

[Kernel-packages] [Bug 1843340] Re: Boot menu not displayed for multi boot with ZFS

2020-09-08 Thread Andrea Righi
Isn't this the expected behavior? In order to show the boot menu in grub we need to set GRUB_TIMEOUT_STYLE / GRUB_TIMEOUT in /etc/default/grub and run update-grub. Am I missing something? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs

[Kernel-packages] [Bug 1881747] Re: cephadm does not work with zfs root

2020-09-08 Thread Andrea Righi
** Changed in: zfs-linux (Ubuntu) Assignee: (unassigned) => Andrea Righi (arighi) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1881747 Title: cephadm does not work with

[Kernel-packages] [Bug 1881747] Re: cephadm does not work with zfs root

2020-09-08 Thread Andrea Righi
I've tried to reproduce the problem on a VM (that uses ZFS as rootfs) setting up a single-node ceph cluster, but OSD is coming up correctly: $ sudo ceph -s | grep osd osd: 1 osds: 1 up (since 50m), 1 in (since 59m) Could you provide more details about your particular ceph configuration / infr

[Kernel-packages] [Bug 1881747] Re: cephadm does not work with zfs root

2020-09-09 Thread Andrea Righi
BTW, how did you install ceph-ansible? I can't find a 20.04 package in the ansible ppa. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1881747 Title: cephadm does not work with zfs r

[Kernel-packages] [Bug 1881747] Re: cephadm does not work with zfs root

2020-09-09 Thread Andrea Righi
I was pretty much following this simple tutorial: http://prashplus.blogspot.com/2018/01/ceph-single-node-setup-ubuntu.html I'll try to add docker and ceph-ansible to the equation and see if I can reproduce it. ** Changed in: zfs-linux (Ubuntu) Status: New => In Progress -- You received t

[Kernel-packages] [Bug 1896616] [NEW] set correct device size of loopback devices

2020-09-22 Thread Andrea Righi
Public bug reported: [Impact] SRU test ubuntu_ltp_syscalls is reporting the following message: 11:52:03 DEBUG| [stdout] ioctl_loop07.c:62: FAIL: /sys/block/loop4/size != 1024 got 2048 11:52:03 DEBUG| [stdout] ioctl_loop07.c:63: PASS: /sys/block/loop4/loop/sizelimit = 524288 11:52:03 DEBUG| [st

[Kernel-packages] [Bug 1896604] Re: Groovy kernel (5.8.0-1004-aws) creates broken /dev/console on i3.metal instances

2020-09-22 Thread Andrea Righi
** Changed in: linux-aws (Ubuntu) Assignee: (unassigned) => Andrea Righi (arighi) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-aws in Ubuntu. https://bugs.launchpad.net/bugs/1896604 Title: Groovy kernel (5.8.0-1004-

[Kernel-packages] [Bug 1896604] Re: Groovy kernel (5.8.0-1004-aws) creates broken /dev/console on i3.metal instances

2020-09-22 Thread Andrea Righi
Adding some details about this issue. It looks like the real problem is the serial driver, in fact with a 5.4 kernel we can see the following in dmesg: [4.991325] :16:00.0: ttyS0 at MMIO 0xc5a0 (irq = 85, base_baud = 115200) is a 16550A With the 5.8 kernel we don't see any message at

[Kernel-packages] [Bug 1896604] Re: Groovy kernel (5.8.0-1004-aws) creates broken /dev/console on i3.metal instances

2020-09-24 Thread Andrea Righi
The reason of this problem is that in 5.8 the default amount of nr_uarts has been changed from 4 to 32. This is causing ttyS0 to be remapped to ttyS4, breaking the user-space. The solution is to set back the number of UARTS to 4. I tried to boot the kernel adding 8250.nr_uarts=4 to the kernel boot

[Kernel-packages] [Bug 1896604] Re: Groovy kernel (5.8.0-1004-aws) creates broken /dev/console on i3.metal instances

2020-09-24 Thread Andrea Righi
** Description changed: + [Impact] + + Starting with kernel 5.8 the default nr_uarts has been changed from 4 to + 2 for amd64, but this seems to affect i3.metal instances in AWS, because + ttyS0 is now remapped to ttyS4 and this is breaking tools like cloud- + init (and probably something else).

[Kernel-packages] [Bug 1888510] [NEW] xen-netfront: potential deadlock in xennet_remove()

2020-07-22 Thread Andrea Righi
Public bug reported: [Impact] During our AWS testing we were experiencing deadlocks on hibernate across all Xen instance types. The trace was showing that the system was stuck in xennet_remove(): [ 358.109087] Freezing of tasks failed after 20.006 seconds (1 tasks refusing to freeze, wq_busy=

[Kernel-packages] [Bug 1908503] [NEW] arm64: prevent losing page dirty state

2020-12-17 Thread Andrea Righi
Public bug reported: [Impact] With hardware dirty bit management enabled calling pte_wrprotect() on a dirty PTE will clean the dirty state without flushing the content of the page to the backing store. [Test case] Bug reported by Amazon, a specific test case is not provided. This problem has be

[Kernel-packages] [Bug 1908503] Re: arm64: prevent losing page dirty state

2020-12-17 Thread Andrea Righi
** Changed in: linux-aws (Ubuntu Bionic) Assignee: (unassigned) => Andrea Righi (arighi) ** Changed in: linux-aws (Ubuntu Focal) Assignee: (unassigned) => Andrea Righi (arighi) ** Changed in: linux-aws (Ubuntu Groovy) Assignee: (unassigned) => Andrea Righi (arighi) ** C

[Kernel-packages] [Bug 1910200] [NEW] aws: network performance regression due to initial TCP receive buffer size change

2021-01-04 Thread Andrea Righi
Public bug reported: [Impact] AWS has seen some customers reporting networking performance degradation after they upgraded their Ubuntu instanceses. This regression is highly impacting customers who are using MTU=9000 (which is the default in EC2). [Test case] Bug reproduced internally in AWS (

[Kernel-packages] [Bug 1910200] Re: aws: network performance regression due to initial TCP receive buffer size change

2021-01-04 Thread Andrea Righi
** Also affects: linux-aws (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: linux-aws (Ubuntu Focal) Importance: Undecided Status: New ** Also affects: linux-aws (Ubuntu Groovy) Importance: Undecided Status: New ** Changed in: linux-aws (Ubuntu Bio

[Kernel-packages] [Bug 1908099] Re: nvidia-dkms-390 fails to build on unstable / 5.10

2021-01-07 Thread Andrea Righi
New debdiff that prevents building UVM w/ Linux 5.10 (thanks @albertomilone) and with a refreshed version of buildfix_kernel_5.10.patch that should prevent a potential memory leak due to the missing .gem_free_object in 5.10. ** Patch added: "hirsute-nvidia-dkms-390.debdiff" https://bugs.launch

[Kernel-packages] [Bug 1908099] Re: nvidia-dkms-390 fails to build on unstable / 5.10

2021-01-07 Thread Andrea Righi
Sorry, I posted the wrong file in comment #3, this is the right one. ** Patch added: "hirsute-nvidia-dkms-390-v2.debdiff" https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1908099/+attachment/5450290/+files/hirsute-nvidia-dkms-390-v2.debdiff -- You received this bug

[Kernel-packages] [Bug 1892728] [NEW] ec2-hibinit-agent needs to properly initialize swap file

2020-08-24 Thread Andrea Righi
Public bug reported: With commit 30460e1ea3e6 ("fs: Enable bmap() function to properly return errors"), applied to v5.6-rc1, running swapon on a file that has holes returns an error (EINVAL); hibinit-agent is creating the swap file just using fallocate(), without touching the whole file by deafult

[Kernel-packages] [Bug 1902281] [NEW] aws: disable strict IOMMU TLB invalidation by default

2020-10-30 Thread Andrea Righi
certain arm64 instance types. ** Affects: linux-aws (Ubuntu) Importance: High Assignee: Andrea Righi (arighi) Status: New ** Affects: linux-aws (Ubuntu Bionic) Importance: High Assignee: Andrea Righi (arighi) Status: New ** Affects: linux-aws (Ubuntu Focal

[Kernel-packages] [Bug 1879711] Re: aws: disable CONFIG_DMA_CMA

2020-11-03 Thread Andrea Righi
** Also affects: linux-aws (Ubuntu Groovy) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-aws in Ubuntu. https://bugs.launchpad.net/bugs/1879711 Title: aws: disable CONFIG_DMA_CMA Stat

[Kernel-packages] [Bug 1732512] Re: xen hibernation support for linux-aws

2020-11-03 Thread Andrea Righi
** Also affects: linux-aws (Ubuntu Groovy) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-aws in Ubuntu. https://bugs.launchpad.net/bugs/1732512 Title: xen hibernation support for linux

[Kernel-packages] [Bug 1902864] [NEW] aws: update patch to batch hibernate and resume IO requests

2020-11-04 Thread Andrea Righi
Public bug reported: [Impact] During hibernation and resume the kernel is submitting an individual IO request for each page of data. In the aws kernel we are using a custom SAUCE patch to batch IO requests together in order to achieve better performance. Recently a patch designed to achieve the

[Kernel-packages] [Bug 1902926] [NEW] aws: improve hibernation reliability in groovy

2020-11-04 Thread Andrea Righi
Public bug reported: [Impact] The 5.8 kernel (groovy) is not still 100% reliable with hibernation, especially on the Xen instance type. However, re-aligning the config options as much as possible with the 5.4 kernel (focal) allows to hibernate and resume with a success rate close to 100% (accordi

[Kernel-packages] [Bug 1902926] Re: aws: improve hibernation reliability in groovy

2020-11-04 Thread Andrea Righi
** Description changed: [Impact] The 5.8 kernel (groovy) is not still 100% reliable with hibernation, especially on the Xen instance type. However, re-aligning the config options as much as possible with the 5.4 kernel (focal) allows to hibernate and resume with a success rate close t

[Kernel-packages] [Bug 1902588] Re: zfs mount -a: double free / memory corruption / segfault when mountpoint of dataset is not empty

2020-11-27 Thread Andrea Righi
** Also affects: zfs-linux (Ubuntu Groovy) Importance: Undecided Status: New ** Also affects: zfs-linux (Ubuntu Xenial) Importance: Undecided Status: New ** Also affects: zfs-linux (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: zfs-linux (Ubuntu

[Kernel-packages] [Bug 1904589] Re: zfs PANIC: accessing past end of object in 0.8.3-1ubuntu12.4

2020-11-27 Thread Andrea Righi
** Description changed: + [Impact] + + zfs_write() doesn't properly account partial copies done by + copy_from_user(), causing accesses past the end of objects and + triggering kernel panics. + + [Test case] + + The problem seems to be workload specific, there is not a specific test + case to r

[Kernel-packages] [Bug 1902588] Re: zfs mount -a: double free / memory corruption / segfault when mountpoint of dataset is not empty

2020-11-27 Thread Andrea Righi
debdiff for focal reported in attach (built and tested). ** Patch added: "focal-zfs-fix-double-free-with-zfs-mount.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1902588/+attachment/5438801/+files/focal-zfs-fix-double-free-with-zfs-mount.debdiff -- You received this bug no

[Kernel-packages] [Bug 1902588] Re: zfs mount -a: double free / memory corruption / segfault when mountpoint of dataset is not empty

2020-11-27 Thread Andrea Righi
debdiff for groovy in attach (all zfs autotests completed correctly). ** Patch added: "groovy-zfs-fix-double-free-with-zfs-mount.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1902588/+attachment/5438809/+files/groovy-zfs-fix-double-free-with-zfs-mount.debdiff -- You recei

[Kernel-packages] [Bug 1902588] Re: zfs mount -a: double free / memory corruption / segfault when mountpoint of dataset is not empty

2020-11-27 Thread Andrea Righi
debdiff for hirsute in attach. ** Patch added: "hirsute-zfs-fix-double-free-with-zfs-mount.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1902588/+attachment/5438827/+files/hirsute-zfs-fix-double-free-with-zfs-mount.debdiff -- You received this bug notification because you

[Kernel-packages] [Bug 1904589] Re: zfs PANIC: accessing past end of object in 0.8.3-1ubuntu12.4

2020-11-30 Thread Andrea Righi
New debdiff for focal applied on top of the latest 0.8.3-1ubuntu12.6. ** Patch added: "zfs-fix-uio-partial-copies.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1904589/+attachment/5439545/+files/zfs-fix-uio-partial-copies.debdiff -- You received this bug notification beca

[Kernel-packages] [Bug 1902588] Re: zfs mount -a: double free / memory corruption / segfault when mountpoint of dataset is not empty

2020-11-30 Thread Andrea Righi
New debdiff for focal on top of 0.8.3-1ubuntu12.7. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1902588 Title: zfs mount -a: double free / memory corruption / segfault when mount

[Kernel-packages] [Bug 1902588] Re: zfs mount -a: double free / memory corruption / segfault when mountpoint of dataset is not empty

2020-11-30 Thread Andrea Righi
** Patch added: "focal-zfs-fix-double-free-with-zfs-mount.debdiff" https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1902588/+attachment/5439561/+files/focal-zfs-fix-double-free-with-zfs-mount.debdiff -- You received this bug notification because you are a member of Kernel Packages, wh

[Kernel-packages] [Bug 1844138] Re: eoan/linux-aws: 5.3.0-1000.0 -proposed tracker

2019-09-24 Thread Andrea Righi
cal-kernel-team) => Andrea Righi (arighi) ** Changed in: kernel-sru-workflow/prepare-package-meta Status: New => In Progress ** Changed in: kernel-sru-workflow/prepare-package-meta Assignee: Canonical Kernel Team (canonical-kernel-team) => Andrea Righi (arighi) -- You r

[Kernel-packages] [Bug 1844138] Re: eoan/linux-aws: 5.3.0-1001.1 -proposed tracker

2019-09-24 Thread Andrea Righi
** Summary changed: - eoan/linux-aws: 5.3.0-1000.0 -proposed tracker + eoan/linux-aws: 5.3.0-1001.1 -proposed tracker -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-aws in Ubuntu. https://bugs.launchpad.net/bugs/1844138 Title: e

[Kernel-packages] [Bug 1845720] Re: eoan/linux-aws: 5.3.0-1002.2 -proposed tracker

2019-10-01 Thread Andrea Righi
cal-kernel-team) => Andrea Righi (arighi) ** Changed in: kernel-sru-workflow/prepare-package-meta Status: New => In Progress ** Changed in: kernel-sru-workflow/prepare-package-meta Assignee: Canonical Kernel Team (canonical-kernel-team) => Andrea Righi (arighi) -- You recei

[Kernel-packages] [Bug 2049603] [NEW] nvidia-dkms-535 FTBS on noble with the latest 6.7 kernel on arm64

2024-01-17 Thread Andrea Righi
Public bug reported: [Impact] It looks like nvidia-dkms-535 is using a symbol that became GPL-only in the latest 6.7 kernel, causing the following build error: # MODPOST <>/build/nvidia/535.146.02/build/Module.symvers scripts/mod/modpost -M -m -a -o <>/build/nvidia/535.146.02/build/Modu

[Kernel-packages] [Bug 2049603] Re: nvidia-dkms-535 FTBS on noble with the latest 6.7 kernel on arm64

2024-01-17 Thread Andrea Righi
The same problem happens also with nvidia-dkms-545 (still on arm64 only). ** Also affects: nvidia-graphics-drivers-545 (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to nvidia-graphics-dr

[Kernel-packages] [Bug 2028253] Re: update apparmor and LSM stacking patch set

2024-01-22 Thread Andrea Righi
** Also affects: linux (Ubuntu Noble) Importance: Critical Status: Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2028253 Title: update apparmor and LSM stacking p

[Kernel-packages] [Bug 2051245] [NEW] Noble update: v6.7.1 upstream stable release

2024-01-25 Thread Andrea Righi
Public bug reported: SRU Justification Impact:    The upstream process for stable tree updates is quite similar    in scope to the Ubuntu SRU process, e.g., each patch has to    demonstrably fix a bug, and each patch is vetted by upstream    by originating either directly from

[Kernel-packages] [Bug 2046040] Re: enable CONFIG_INTEL_TDX_HOST in linux >= 6.7 for noble

2024-01-25 Thread Andrea Righi
** Changed in: linux (Ubuntu Noble) Status: New => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2046040 Title: enable CONFIG_INTEL_TDX_HOST in linux >= 6.7 for nob

[Kernel-packages] [Bug 2045503] Re: apply sched-ext patch set to linux-unstable

2024-01-26 Thread Andrea Righi
** Also affects: linux (Ubuntu Noble) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2045503 Title: apply sched-ext patch set to linux-unstabl

[Kernel-packages] [Bug 2051342] [NEW] Enable lowlatency settings in the generic kernel

2024-01-26 Thread Andrea Righi
Public bug reported: [Impact] Ubuntu provides the "lowlatency" kernel: a kernel optimized for applications that have special "low latency" requirements. Currently, this kernel does not include any specific UBUNTU SAUCE patches to improve the extra "low latency" requirements, but the only differe

[Kernel-packages] [Bug 2051342] Re: Enable lowlatency settings in the generic kernel

2024-01-26 Thread Andrea Righi
** Description changed: [Impact] Ubuntu provides the "lowlatency" kernel: a kernel optimized for applications that have special "low latency" requirements. Currently, this kernel does not include any specific UBUNTU SAUCE patches to improve the extra "low latency" requirements, but

[Kernel-packages] [Bug 2051342] Re: Enable lowlatency settings in the generic kernel

2024-01-26 Thread Andrea Righi
** Description changed: [Impact] Ubuntu provides the "lowlatency" kernel: a kernel optimized for applications that have special "low latency" requirements. Currently, this kernel does not include any specific UBUNTU SAUCE patches to improve the extra "low latency" requirements, but

[Kernel-packages] [Bug 2051342] Re: Enable lowlatency settings in the generic kernel

2024-01-26 Thread Andrea Righi
** Description changed: [Impact] Ubuntu provides the "lowlatency" kernel: a kernel optimized for applications that have special "low latency" requirements. Currently, this kernel does not include any specific UBUNTU SAUCE patches to improve the extra "low latency" requirements, but

[Kernel-packages] [Bug 2051342] Re: Enable lowlatency settings in the generic kernel

2024-01-26 Thread Andrea Righi
** Description changed: [Impact] Ubuntu provides the "lowlatency" kernel: a kernel optimized for applications that have special "low latency" requirements. Currently, this kernel does not include any specific UBUNTU SAUCE patches to improve the extra "low latency" requirements, but

[Kernel-packages] [Bug 2051342] Re: Enable lowlatency settings in the generic kernel

2024-01-29 Thread Andrea Righi
@dsmythies thank you so much for sharing the results of your tests, really useful info! I'm planning to do more tests setting the performance governor, I've been doing my initial tests only with the default Ubuntu settings, that means with the "Balanced" power mode enabled (that I think it's using

[Kernel-packages] [Bug 2051342] Re: Enable lowlatency settings in the generic kernel

2024-01-29 Thread Andrea Righi
@colin-king thanks! Any suggestion in particular? I was thinking to lmbench, netperf and fio. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2051342 Title: Enable lowlatency settings in

[Kernel-packages] [Bug 1965303] Re: Migrate from fbdev drivers to simpledrm and DRM fbdev emulation layer

2024-01-29 Thread Andrea Righi
** Also affects: linux (Ubuntu Noble) Importance: Undecided Assignee: Timo Aaltonen (tjaalton) Status: Confirmed ** Also affects: nvidia-graphics-drivers-470 (Ubuntu Noble) Importance: Undecided Status: Fix Released -- You received this bug notification because you are a

[Kernel-packages] [Bug 2051533] [NEW] Noble update: v6.7.2 upstream stable release

2024-01-29 Thread Andrea Righi
Public bug reported: SRU Justification Impact: The upstream process for stable tree updates is quite similar in scope to the Ubuntu SRU process, e.g., each patch has to demonstrably fix a bug, and each patch is vetted by upstream by originating either directly

[Kernel-packages] [Bug 2051342] Re: Enable lowlatency settings in the generic kernel

2024-01-30 Thread Andrea Righi
@colin-king noticed, I just left a thank you message in the article. I'll still do the tests, but it's nice to see that someone else is contributing to this! Another thing that I'd like to measure is to bpftrace the time spent in the tick handler before and after these changes applied, because we

[Kernel-packages] [Bug 2051342] Re: Enable lowlatency settings in the generic kernel

2024-01-30 Thread Andrea Righi
@andysem correct, without `nohz_full` specified at boot CONFIG_NO_HZ_FULL has no effect, except for the little extra overhead that it's adding to the tick handler (there is still some overhead with this option enabled, even if it's not used). That's why I'd like to measure the time spent in some of

[Kernel-packages] [Bug 2051733] Re: Specifying nohz_full disables CPU frequency scaling

2024-01-30 Thread Andrea Righi
@dsmythies IIUC this happens also with a mainline kernel, right? Not just the Ubuntu lowlatency one. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed-lowlatency-hwe-6.5 in Ubuntu. https://bugs.launchpad.net/bugs/2051733 Title:

[Kernel-packages] [Bug 2051342] Re: Enable lowlatency settings in the generic kernel

2024-02-01 Thread Andrea Righi
@andysem yes that is also another possibility. The idea is to do a lot of tests and if we find that there's a remote possibility to introduce significant performance regressions in certain cases we can still keep HZ=250, but definitely go with the other options. -- You received this bug notificat

[Kernel-packages] [Bug 2051342] Re: Enable lowlatency settings in the generic kernel

2024-02-06 Thread Andrea Righi
More tests and results available here: https://discourse.ubuntu.com/t/enable-low-latency-features-in-the- generic-ubuntu-kernel-for-24-04/42255 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bug

[Kernel-packages] [Bug 2051342] Re: Enable lowlatency settings in the generic kernel

2024-02-07 Thread Andrea Righi
@turner basically any type of I/O workload can benefit from the HZ=1000 change, I haven't posted any test result, because in the scope of this proposal I wanted to focus mainly at the regression potential for CPU- intensive workloads and the benefits in terms of power consumption (this one as a pos

[Kernel-packages] [Bug 2000706] [NEW] Lunar update: v6.1.1 upstream stable release

2022-12-29 Thread Andrea Righi
Public bug reported: SRU Justification Impact: The upstream process for stable tree updates is quite similar in scope to the Ubuntu SRU process, e.g., each patch has to demonstrably fix a bug, and each patch is vetted by upstream by originating either directly

[Kernel-packages] [Bug 2000706] Re: Lunar update: v6.1.1 upstream stable release

2022-12-30 Thread Andrea Righi
** Description changed: + SRU Justification - SRU Justification + Impact: +    The upstream process for stable tree updates is quite similar +    in scope to the Ubuntu SRU process, e.g., each patch has to +    demonstrably fix a bug, and each patch is vetted by upstream +  

[Kernel-packages] [Bug 2002079] [NEW] Lunar update: v6.1.2 upstream stable release

2023-01-06 Thread Andrea Righi
Public bug reported: SRU Justification Impact: The upstream process for stable tree updates is quite similar in scope to the Ubuntu SRU process, e.g., each patch has to demonstrably fix a bug, and each patch is vetted by upstream by originating either directly

[Kernel-packages] [Bug 1981968] Re: bcmwl fails to build on the latest kinetic kernel 5.19

2023-01-09 Thread Andrea Righi
** Also affects: bcmwl (Ubuntu Jammy) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bcmwl in Ubuntu. https://bugs.launchpad.net/bugs/1981968 Title: bcmwl fails to build on the latest kinetic

[Kernel-packages] [Bug 1981968] Re: bcmwl fails to build on the latest kinetic kernel 5.19

2023-01-09 Thread Andrea Righi
I included the extra fixes in the attached debdiff to properly support 5.19 in jammy, I'll create a separate bug tracker to fix the issue reported by satadru-umich in kinetic... thanks and sorry I'm noticing it only now! ** Patch added: "bcmwl-support-5.19.debdiff" https://bugs.launchpad.net/u

[Kernel-packages] [Bug 2002634] [NEW] bcmwl dkms requires additional fixes to properly support kernel 5.19+

2023-01-12 Thread Andrea Righi
Public bug reported: [Impact] As reported in LP: #1981968 kernel 5.19 requires additional patches to properly support this driver: https://gist.github.com/joanbm/37fd0590f30b41e7e89ade6e242ca16e https://gist.github.com/joanbm/052d8e951ba63d5eb5b6960bfe4e031a Without these patches the kernel wou

[Kernel-packages] [Bug 2002634] Re: bcmwl dkms requires additional fixes to properly support kernel 5.19+

2023-01-12 Thread Andrea Righi
debdiff in attach allows to properly support kernel 5.19. ** Patch added: "kinetic-bcmwl-properly-support-linux-5.19.debdiff" https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/2002634/+attachment/5640977/+files/kinetic-bcmwl-properly-support-linux-5.19.debdiff -- You received this bug not

[Kernel-packages] [Bug 1981968] Re: bcmwl fails to build on the latest kinetic kernel 5.19

2023-01-12 Thread Andrea Righi
Opened LP: #2002634 for the other issue (kernel warning) in kinetic. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bcmwl in Ubuntu. https://bugs.launchpad.net/bugs/1981968 Title: bcmwl fails to build on the latest kinetic kernel 5.19

[Kernel-packages] [Bug 1981968] Re: bcmwl fails to build on the latest kinetic kernel 5.19

2023-01-12 Thread Andrea Righi
new debdiff for jammy (v2) with the proper changelog entry. ** Patch added: "bcmwl-support-5.19-v2.debdiff" https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1981968/+attachment/5640985/+files/bcmwl-support-5.19-v2.debdiff -- You received this bug notification because you are a member of

[Kernel-packages] [Bug 2013014] [NEW] net:l2tp.sh failure with lunar:linux 6.2

2023-03-27 Thread Andrea Righi
Public bug reported: [Impact] Kernel selftest net:l2tp.sh is failing with the latest lunar/linux 6.2 kernel, the error is the following: RTNETLINK answers: Protocol not supported Using `bash -x` we can see that the last command executed is the following: ip -netns host-1 l2tp add tunnel tu

[Kernel-packages] [Bug 2013019] [NEW] ubuntu_nbd_smoke_test- failure with lunar/linux 6.2

2023-03-27 Thread Andrea Righi
Public bug reported: [Impact] nbd smoke test is triggering the following hung task timeout trace with lunar/linux 6.2: 615 10:58:25 DEBUG| [stdout] [ 484.429923] INFO: task systemd-udevd:16656 blocked for more than 120 seconds. 616 10:58:25 DEBUG| [stdou

[Kernel-packages] [Bug 2013014] Re: net:l2tp.sh failure with lunar:linux 6.2

2023-03-28 Thread Andrea Righi
After explicitly loading the modules the test completes correctly: sudo modprobe l2tp_ip6 sudo modprobe l2tp_ip sudo modprobe l2tp_eth $ sudo ./tools/testing/selftests/net/l2tp.sh TEST: IPv4 basic L2TP tunnel[ OK ] TEST: IPv4 route through L2TP tunnel

[Kernel-packages] [Bug 2013014] Re: net:l2tp.sh failure with lunar:linux 6.2

2023-03-28 Thread Andrea Righi
It looks like the problem here is that with 6.2 (in lunar) the l2tp modules are not loaded automatically, in 5.19 (kinetic) they were loaded automatically without an explicit modprobe. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux

[Kernel-packages] [Bug 2013063] [NEW] debug-wp-migration from ubuntu_kvm_unit_tests segfault on arm64 with linux 6.2

2023-03-28 Thread Andrea Righi
Public bug reported: 212921:50:41 INFO | START ubuntu_kvm_unit_tests.debug-wp-migration ubuntu_kvm_unit_tests.debug-wp-migrationtimestamp=1679867441 timeout=1800localtime=Mar 26 21:50:41 213021:50:41 DEBUG| Persistent state client._record_indent now

[Kernel-packages] [Bug 2013064] [NEW] ubuntu_ltp_kernel_misc.zram01 fails to create xfs on a device too small in lunar

2023-03-28 Thread Andrea Righi
Public bug reported: 16637 zram01 5 TINFO: make xfs filesystem on /dev/zram3 16638 Filesystem must be larger than 300MB. 16639 Usage: mkfs.xfs 16640 /* blocksize */[-b size=num] 16641 /* config file */[-c options=xxx] 16642 /*

[Kernel-packages] [Bug 2013160] [NEW] ubuntu_lxc.lxc-test-checkpoint-restore test failure in lunar with linux 6.2

2023-03-28 Thread Andrea Righi
Public bug reported: lxc checkpoint-restore test case is failing with the following error (it seems to be unable to connect to a counterpart, maybe it requires to enable other components): 480010:27:55 INFO | START ubuntu_lxc.lxc-test-checkpoint-restore ubuntu_lxc.lxc-test

[Kernel-packages] [Bug 2013014] Re: net:l2tp.sh failure with lunar:linux 6.2

2023-03-30 Thread Andrea Righi
Upstream commit 65b32f801bfb ("uapi: move IPPROTO_L2TP to in.h") introduced this regression. With that commit we moved IPPROTO_L2TP from a define to an enum, breaking the macro that generates the module alias. This is the reason why the modules are not loaded automatically anymore. Upstream threa

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