Maciej,
well, the workaround of setting the `pci=realloc=off` kernel parameter still
works. However, I haven't researched if that might have any negative side
effects – but I didn't notice any.
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This issue had disappeared with the Ubuntu 24.04 kernel. However, it has
now reappeared with the 24.04.1 HWE 6.8 kernel series.
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Title
I'm happy to report that in three working days the problem has not
reoccurred. So the fix in kernel 6.5.0-21-generic #21~22.04.1 looks good
to me.
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Thanks for the clarification! I'm running 6.5.0-21-generic #21~22.04.1
now. I'll report if the problem occurs again (in my usage it happened
every one or two days).
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Hi Roxana,
I'm confused by your comment #11. You write about versions
6.5.0-21.21~22.04.1 and 6.5.0-25.25~22.04.1. Do both contain the fix?
As of today, I can see neither of these versions, but only
6.5.0.21.21~22.04.11 (.11, not .1!). And that version has already been
released as a regular (not
I'm in the same situation as Soenke: The bug occurs on my work laptop on
22.04 HWE (6.5.0-17). The Jammy proposed repository only offers 6.5.0-18
currently, so I can't test this.
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Hi Daniel, I played around with VirtualBox settings and Ubuntu installer
settings: The problem seems to occur only when "Install third-party
software for graphics and Wi-Fi hardware and additional media formats"
is selected in the Ubuntu installer.
If the option is _not_ selected, the installed sy
I can confirm the behavior as reported by BertN45:
Setting MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0 and MUTTER_DEBUG_FORCE_KMS_MODE=simple
in /etc/environment does not help, but disabling Wayland in
/etc/gdm3/custom.conf does help.
I also tried both Ctrl-Alt-F1 and chvt 1 when the screen is frozen,
neit
For me too, I don't know why comment #52 by the kernel bot has appeared
now. I'm going to set the "verification done" tag.
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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In my case the host is not running any virtual machines. I have another
similar HPE Gen9 server (without the HPE Smart HBA H240 SATA controller)
that doesn't have the problem. So in my case I suspect the H240
controller is (at least part of) the problem.
@phdonnelly, are you using VMs and/or do yo
This might be a duplicate of bug #1970453, which also occurs on HPE
servers starting with Ubuntu 22.04.
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Title:
DMAR: ERROR: DMA PTE
If this question was meant for me: I cannot really say, in my case no
VMs are involved at all.
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Title:
DMAR: ERROR: DMA PTE for vPFN
I tried the latest currently available 5.15 kernel
(https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.15.36/amd64/,
5.15.36-051536-generic #202204271420 SMP Wed Apr 27 16:37:41 UTC 2022
x86_64 x86_64 x86_64 GNU/Linux). The problem still occurs there.
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I'm running Ubuntu 22.04 with kernel 5.15.0.27.30 on an HPE ProLiant
DL20 Gen9 server. The server has an HPE Smart HBA H240 SATA controller.
Since Ubuntu 22.04, the kernel runs into trouble after a few hours of
uptime. The problem starts with a few instances of a message such
apport information
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Tags added: apport-collected uec-images
** Description changed:
Hi,
since earlier this year (sorry, I don't have an exact date) I started to
encounter regular network hangs on multiple HPE servers that I manage.
The hangs occur on high network load and are follow
Example 2:
Nov 06 15:34:38 kernel: [ cut here ]
Nov 06 15:34:38 kernel: NETDEV WATCHDOG: eno1 (tg3): transmit queue
0 timed out
Nov 06 15:34:38 kernel: WARNING: CPU: 1 PID: 0 at
net/sched/sch_generic.c:467 dev_watchdog+0x24f/0x260
Nov 06 15:34:38 kernel: Modules linked
Public bug reported:
Hi,
since earlier this year (sorry, I don't have an exact date) I started to
encounter regular network hangs on multiple HPE servers that I manage.
The hangs occur on high network load and are followed by a message like
"tg3 :02:00.0 eno1: transmit timed out, resetting".
Example 1:
Nov 04 17:34:59 kernel: [ cut here ]
Nov 04 17:34:59 kernel: NETDEV WATCHDOG: eno1 (tg3): transmit queue
0 timed out
Nov 04 17:34:59 kernel: WARNING: CPU: 3 PID: 0 at
net/sched/sch_generic.c:467 dev_watchdog+0x24f/0x260
Nov 04 17:34:59 kernel: Modules linked
I tested kernel 5.4.0-46-generic #50 from focal-proposed. This version
seems to fix the problem, I could not reproduce it any more.
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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I can confirm that 5.4.59-050459-generic #202008190333 seems to work, I
could not reproduce the problem there.
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Title:
Regression on
I downloaded and installed the packages from https://kernel.ubuntu.com
/~kernel-ppa/mainline/v5.8-rc4/amd64/ and tested 5.8.0-050800-generic
#202007052030. I could not reproduce the problem in this version.
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Thanks for the advice for bisecting! I found the commits causing the
problem:
After bb4fb62a863ea6131bdac77b21faa9444a605c58 (SUNRPC: Add "@len" parameter to
gss_unwrap()) NFS with Kerberos is completely broken:
$ mount -v /nfs/share
mount.nfs: trying text-based options
'sec=krb5p,soft,intr,bg,t
I tried bisecting the kernel as described in #22. However, I used the
URL git://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/focal instead of
git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/bionic,
I hope that's correct.
The fakeroot command works and builds the ker
Is there a tutorial available on how to bisect the kernel and install
and test the bisected version?
To me it seems the problem only occurs in connection with NFS. I could
not reproduce the problem when NFS is not used. However, after reading
data from NFS mounts the problem reliably occurs within
Log from another machine:
[ 1388.217900] BUG: unable to handle page fault for address: 8cf4f6fc5d86
[ 1388.217907] #PF: supervisor read access in kernel mode
[ 1388.217908] #PF: error_code(0x) - not-present page
[ 1388.217910] PGD 75201067 P4D 75201067 PUD 0
[ 1388.217913] Oops: [#4]
apport information
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Tags added: apport-collected
** Description changed:
On kernel 5.4.0-40-generic in focal I'm getting errors like this on
several machines with different hardware in the first hour after boot:
Jul 04 16:58:32 hostname kernel: BUG: unable to handle page fault for
ad
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** Description changed:
- On kernel 5.4.0-40-generic in focal I'm getting errors like this on two
- machines with different hardware in the first hour after boot:
+ On kernel 5.4.0-40-generic in focal I'm getting errors like this on
+ several machines with different hardware in the first hour afte
Public bug reported:
On kernel 5.4.0-40-generic in focal I'm getting errors like this on two
machines with different hardware in the first hour after boot:
Jul 04 16:58:32 hostname kernel: BUG: unable to handle page fault for address:
9083e222e632
Jul 04 16:58:32 hostname kernel: #PF: superv
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