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[Qemu-devel] [Bug 1516203] Re: qemu-system-x86_64 crashed with SIGSEGV i


From: Serge Hallyn
Subject: [Qemu-devel] [Bug 1516203] Re: qemu-system-x86_64 crashed with SIGSEGV in SDL_BlitCopy()
Date: Wed, 18 Nov 2015 19:43:26 -0000

Do other iso's, like http://archive.ubuntu.com/ubuntu/dists/wily/main
/installer-amd64/current/images/netboot/mini.iso also cause this for
you?

(I ran with upstream qemu GIT HEAD using that iso and was unable to
reproduce)

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https://bugs.launchpad.net/bugs/1516203

Title:
  qemu-system-x86_64 crashed with SIGSEGV in SDL_BlitCopy()

Status in QEMU:
  New
Status in qemu package in Ubuntu:
  Incomplete

Bug description:
  with -device virtio-vga -cdrom ubuntu-15.10-desktop-amd64.iso

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: qemu-system-x86 1:2.4+dfsg-4ubuntu2
  ProcVersionSignature: Ubuntu 4.3.0-0.6-generic 4.3.0
  Uname: Linux 4.3.0-0-generic x86_64
  ApportVersion: 2.19.2-0ubuntu6
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sat Nov 14 05:05:25 2015
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/qemu-system-x86_64
  InstallationDate: Installed on 2012-12-22 (1056 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 
(20120823.1)
  KvmCmdLine:
   COMMAND         STAT  EUID  RUID   PID  PPID %CPU COMMAND
   kvm-irqfd-clean S<       0     0   497     2  0.0 [kvm-irqfd-clean]
  MachineType: Hewlett-Packard HP Elite 7300 Series MT
  ProcCmdline: qemu-system-x86_64 -machine ubuntu,accel=kvm -m 1024 -device 
virtio-vga -cdrom ubuntu-15.10-desktop-amd64.iso
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-0-generic 
root=UUID=8905185c-9d82-498c-970c-6fdb9ee07c45 ro quiet splash zswap.enabled=1 
crashkernel=384M-:128M vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7fecce94624f:        movq   (%rax),%mm0
   PC (0x7fecce94624f) ok
   source "(%rax)" (0x7fecb5f0e010) not located in a known VMA region (needed 
readable region)!
   destination "%mm0" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: qemu
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
   SDL_LowerBlit () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
   SDL_UpperBlit () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
   ?? ()
  Title: qemu-system-x86_64 crashed with SIGSEGV in SDL_LowerBlit()
  UpgradeStatus: Upgraded to xenial on 2013-06-19 (877 days ago)
  UserGroups: adm cdrom dip gnunet kismet kvm libvirtd lpadmin plugdev 
sambashare sbuild sudo
  dmi.bios.date: 05/18/2011
  dmi.bios.vendor: AMI
  dmi.bios.version: 7.05
  dmi.board.name: 2AB5
  dmi.board.vendor: PEGATRON CORPORATION
  dmi.board.version: 1.01
  dmi.chassis.asset.tag: CZC126149V
  dmi.chassis.type: 3
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: 
dmi:bvnAMI:bvr7.05:bd05/18/2011:svnHewlett-Packard:pnHPElite7300SeriesMT:pvr1.01:rvnPEGATRONCORPORATION:rn2AB5:rvr1.01:cvnHewlett-Packard:ct3:cvr:
  dmi.product.name: HP Elite 7300 Series MT
  dmi.product.version: 1.01
  dmi.sys.vendor: Hewlett-Packard

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