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[Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31
From: |
Daniel Berrange |
Subject: |
[Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31 in __pthread_setaffinity_new() |
Date: |
Wed, 27 Feb 2019 10:38:13 -0000 |
IMHO that mesa change is not valid. It is settings its affinity to run
on all threads which is definitely *NOT* something we want to be
allowed. Management applications want to control which CPUs QEMU runs
on, and as such Mesa should honour the CPU placement that the QEMU
process has.
This is a great example of why QEMU wants to use seccomp to block
affinity changes to prevent something silently trying to use more CPUs
than are assigned to this QEMU.
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https://bugs.launchpad.net/bugs/1815889
Title:
qemu-system-x86_64 crashed with signal 31 in
__pthread_setaffinity_new()
Status in QEMU:
New
Status in qemu package in Ubuntu:
Triaged
Bug description:
Unable to launch Default Fedora 29 images in gnome-boxes
ProblemType: Crash
DistroRelease: Ubuntu 19.04
Package: qemu-system-x86 1:3.1+dfsg-2ubuntu1
ProcVersionSignature: Ubuntu 4.19.0-12.13-generic 4.19.18
Uname: Linux 4.19.0-12-generic x86_64
ApportVersion: 2.20.10-0ubuntu20
Architecture: amd64
Date: Thu Feb 14 11:00:45 2019
ExecutablePath: /usr/bin/qemu-system-x86_64
KvmCmdLine: COMMAND STAT EUID RUID PID PPID %CPU COMMAND
MachineType: Dell Inc. Precision T3610
ProcEnviron: PATH=(custom, user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.19.0-12-generic
root=UUID=939b509b-d627-4642-a655-979b44972d17 ro splash quiet vt.handoff=1
Signal: 31
SourcePackage: qemu
StacktraceTop:
__pthread_setaffinity_new (th=<optimized out>, cpusetsize=128,
cpuset=0x7f5771fbf680) at ../sysdeps/unix/sysv/linux/pthread_setaffinity.c:34
() at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
() at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
start_thread (arg=<optimized out>) at pthread_create.c:486
clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Title: qemu-system-x86_64 crashed with signal 31 in
__pthread_setaffinity_new()
UpgradeStatus: Upgraded to disco on 2018-11-14 (91 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo video
dmi.bios.date: 11/14/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A18
dmi.board.name: 09M8Y8
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 7
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA18:bd11/14/2018:svnDellInc.:pnPrecisionT3610:pvr00:rvnDellInc.:rn09M8Y8:rvrA01:cvnDellInc.:ct7:cvr:
dmi.product.name: Precision T3610
dmi.product.sku: 05D2
dmi.product.version: 00
dmi.sys.vendor: Dell Inc.
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- [Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31 in __pthread_setaffinity_new(), Christian Ehrhardt , 2019/02/27
- [Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31 in __pthread_setaffinity_new(), Christian Ehrhardt , 2019/02/27
- [Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31 in __pthread_setaffinity_new(),
Daniel Berrange <=
- [Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31 in __pthread_setaffinity_new(), elmarco, 2019/02/27
- [Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31 in __pthread_setaffinity_new(), Daniel Berrange, 2019/02/27
- [Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31 in __pthread_setaffinity_new(), Daniel Berrange, 2019/02/27
- [Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31 in __pthread_setaffinity_new(), elmarco, 2019/02/27
- [Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31 in __pthread_setaffinity_new(), Christian Ehrhardt , 2019/02/28
- [Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31 in __pthread_setaffinity_new(), Christian Ehrhardt , 2019/02/28
- [Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31 in __pthread_setaffinity_new(), Will Cooke, 2019/02/28
- [Qemu-devel] [Bug 1815889] Re: qemu-system-x86_64 crashed with signal 31 in __pthread_setaffinity_new(), Bug Watch Updater, 2019/02/28