This bug was fixed in the package mesa - 19.2.4-1ubuntu1
---
mesa (19.2.4-1ubuntu1) focal; urgency=medium
* Merge from Debian.
* revert-set-full-thread-affinity.diff: Dropped, qemu is fixed now in
eoan and up. (LP: #1815889)
-- Timo Aaltonen Wed, 20 Nov 2019 20:17:00
** Changed in: mesa (Ubuntu Eoan)
Status: Triaged => Won't Fix
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Title:
qemu-system-x86_64 crashed with signal 31 in
** Changed in: mesa (Ubuntu)
Status: Triaged => In Progress
** Changed in: mesa (Ubuntu)
Milestone: ubuntu-19.04 => None
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Title:
I believe this was fixed by qemu 4.0 in eoan.
** Changed in: qemu (Ubuntu Eoan)
Status: Triaged => Fix Released
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Title:
Reopening/Assigning to TImo for eoan since there is a patch which can we
dropped once qemu is fixed
** Changed in: mesa (Ubuntu Eoan)
Status: Fix Released => Triaged
** Changed in: mesa (Ubuntu Eoan)
Assignee: (unassigned) => Timo Aaltonen (tjaalton)
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** Changed in: mesa (Ubuntu Eoan)
Status: Triaged => Fix Released
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Title:
qemu-system-x86_64 crashed with signal 31 in
** Changed in: qemu
Status: Fix Committed => Fix Released
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Title:
qemu-system-x86_64 crashed with signal 31 in
** Changed in: mesa
Status: Confirmed => Won't Fix
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Title:
qemu-system-x86_64 crashed with signal 31 in
This problem was solved by qemu [1], so this mesa bug can be closed.
[1]
https://git.qemu.org/git/qemu.git/?a=commitdiff;h=9a1565a03b79d80b236bc7cc2dbce52a2ef3a1b8
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Thank you Daniel,
we will most likely keep Disco as-is for now and merge this in 19.10 where then
mesa can drop the revert. I tagged it for 19.10 to be revisited.
** Tags added: qemu-19.10
** Also affects: mesa (Ubuntu Ee-series)
Importance: Undecided
Status: New
** Also affects:
FYI the QEMU change merged in the following pull request changed to
return an EPERM errno for the thread affinity syscalls:
commit 12f067cc14b90aef60b2b7d03e1df74cc50a0459
Merge: 84bdc58c06 035121d23a
Author: Peter Maydell
Date: Thu Mar 28 12:04:52 2019 +
Merge remote-tracking branch
(In reply to Michel Dänzer from comment #8)
> Mesa doesn't really need explicit thread affinity at all. All it wants is
> that certain sets of threads run on the same CPU module; it doesn't care
> which particular CPU module that is. What's really needed is an API to
> express this affinity
This bug was fixed in the package mesa - 19.0.0-1ubuntu1
---
mesa (19.0.0-1ubuntu1) disco; urgency=medium
* Merge from Debian. (LP: #1818516)
* revert-set-full-thread-affinity.diff: Fix qemu crash. (LP: #1815889)
-- Timo Aaltonen Thu, 14 Mar 2019 18:48:18 +0200
** Changed
I'm removing this from the 19.0 blocking tracker. Generally we don't add
bugs to block a release if they were present in the previous release,
additionally there doesn't seem to be any consensus on a solution, at
this moment. If there is a fix implemented I'd be happy to pull that
into a later
We're getting down to just a few bugs blocking 19.0, so I'm pinging
those bugs to see what the progress is?
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Title:
qemu-system-x86_64
The PPA was built against -proposed so I had to enable that to install all libs.
That done the 19.0.0~rc6-1ubuntu0.1 with the set affinity change reverted works
quite nicely.
It would be great to get that into Ubuntu 19.04 until the involved
upstreams agreed how to proceed with it and we can
I don't have that issue on a chroot, so you should at least tell me why
it would refuse to upgrade them all.. apt should show an error
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Hi Timo,
I tried to test with the mesa from ppa:canonical-x/x-staging
But there is a dependency issue in that PPA - I can't install all packages from
there.
It seems most of the X* packages will need a transition for the new mesa and
those are not in this ppa right now.
Installing all that I
You can test 19.0~rc6 with this reverted on a ppa:
ppa:canonical-x/x-staging
should be built in 30min
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Title:
qemu-system-x86_64 crashed
** Also affects: mesa (Ubuntu Disco)
Importance: Medium
Status: Confirmed
** Also affects: qemu (Ubuntu Disco)
Importance: Undecided
Status: Triaged
** No longer affects: qemu (Ubuntu Disco)
** Changed in: mesa (Ubuntu Disco)
Status: Confirmed => Triaged
** Changed
** Changed in: mesa (Ubuntu)
Importance: Undecided => Medium
** Changed in: mesa (Ubuntu)
Status: New => Confirmed
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Title:
(In reply to Daniel P. Berrange from comment #3)
> (In reply to Ahzo from comment #2)
> > To check for the availability of the syscall, one can try it in a child
> > process and see if the child is terminated by a signal, e.g. like this:
>
> Afraid not, QEMU's seccomp filter blocks use of fork()
Launchpad has imported 9 comments from the remote bug at
https://bugs.freedesktop.org/show_bug.cgi?id=109695.
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Adding Timo who maintainers mesa.
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Title:
qemu-system-x86_64 crashed with signal 31 in
__pthread_setaffinity_new()
To manage
Thanks Daniel and MarcAndre for chiming in here.
Atfer thinking more about it I agree to Daniel that actually mesa should honor
and stick with its affinity assignment.
For documentation purpose: the solution proposed on the ML is at
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