[Bug 1905979] Re: Check if F_OFD_SETLK is supported may give wrong result

2021-02-06 Thread Launchpad Bug Tracker
[Expired for QEMU because there has been no activity for 60 days.] ** Changed in: qemu Status: Incomplete => Expired -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1905979 Title: Check if F_

[Bug 1905979] Re: Check if F_OFD_SETLK is supported may give wrong result

2020-12-08 Thread Olaf Seibert
That is indeed the source and patches, but I wanted to follow their git repo for easier maintenance. Surely they must have one. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1905979 Title: Check if

[Bug 1905979] Re: Check if F_OFD_SETLK is supported may give wrong result

2020-12-08 Thread Olaf Seibert
The kernel version is Linux hostname 4.15.0-124-generic #127-Ubuntu SMP Fri Nov 6 10:54:43 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1905979 Title: Check

[Bug 1905979] Re: Check if F_OFD_SETLK is supported may give wrong result

2020-12-08 Thread Daniel Berrange
Look in the same directory as that .deb link above - the the files ending in orig.tar.gz (upstream source) and files ending in debian.tar.xz (downstream modifications) -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launc

[Bug 1905979] Re: Check if F_OFD_SETLK is supported may give wrong result

2020-12-08 Thread Olaf Seibert
Interesting. Thanks for the link. The file system we are using is the Quobyte file system (2.24.1) (https://www.quobyte.com/), which works via FUSE. We've had problems with OFD locks with this file system in the past, so my first thought, seeing the error in comment #1, was that those would be

[Bug 1905979] Re: Check if F_OFD_SETLK is supported may give wrong result

2020-12-08 Thread Daniel Berrange
** Changed in: qemu Status: New => Incomplete -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1905979 Title: Check if F_OFD_SETLK is supported may give wrong result Status in QEMU: Incomple

[Bug 1905979] Re: Check if F_OFD_SETLK is supported may give wrong result

2020-12-07 Thread Daniel Berrange
In this thread, it is pointed out that support for OFD is provided by the generic VFS layer in the kernel, so there should never be a situation where one filesystem supports OFD and another does not support OFD: https://lists.gnu.org/archive/html/qemu-devel/2020-11/msg05264.html Can you say wha

[Bug 1905979] Re: Check if F_OFD_SETLK is supported may give wrong result

2020-12-07 Thread Olaf Seibert
This is rather serious, since it causes VMs to crash: Unexpected error in raw_check_lock_bytes() at /build/qemu-PKI6mj/qemu-4.2/block/file-posix.c:796: Failed to get "write" lock 2020-11-23 11:32:27.810+: shutting down, reason=crashed when openstack attempts to create a snapshot. -- You re