qemu-system-x86_64 crashed with SIGSEGV

[Michael Vogt]

This crash happens consitently on my precise amd64 system when using the auto-upgrade-tester.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: qemu-kvm 1.0+noroms-0ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-10.17-generic 3.2.1
Uname: Linux 3.2.0-10-generic x86_64
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
Date: Thu Jan 26 09:29:40 2012
ExecutablePath: /usr/bin/qemu-system-x86_64
ExecutableTimestamp: 1327348412
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha amd64 (20100922)
KvmCmdLine: Error: command ['ps', '-C', 'kvm', '-F'] failed with exit code 1: UID PID PPID C SZ RSS PSR STIME TTY TIME CMD
MachineType: Gigabyte Technology Co., Ltd. EP41-UD3L
ProcCmdline: kvm -hda /var/cache/auto-upgrade-tester/test-image.server -monitor stdio -localtime -no-reboot -net nic,model=virtio -net user -redir tcp:54322::22 -vnc localhost:1 -m 1536
ProcCwd: /home/egon/devel/update-manager/trunk/AutoUpgradeTester
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-10-generic root=UUID=6e45e093-05ff-43e4-9525-4206e8840761 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7fc23dd0cd00: cmp %rbx,0x28(%rax)
 PC (0x7fc23dd0cd00) ok
 source "%rbx" ok
 destination "0x28(%rax)" (0x00000028) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: qemu-kvm
StacktraceTop:
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Title: qemu-system-x86_64 crashed with SIGSEGV
UpgradeStatus: Upgraded to precise on 2012-01-13 (12 days ago)
UserGroups:

dmi.bios.date: 11/06/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F5
dmi.board.name: EP41-UD3L
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF5:bd11/06/2009:svnGigabyteTechnologyCo.,Ltd.:pnEP41-UD3L:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnEP41-UD3L:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: EP41-UD3L
dmi.sys.vendor: Gigabyte Technology Co., Ltd.

[Apport retracing service (apport)]

StacktraceTop:
 if_output (so=0x0, ifm=0x7fc24069d410) at slirp/if.c:80
 ip_output (so=0x0, m0=0x7fc24069d410) at slirp/ip_output.c:84
 bootp_reply (bp=0x7fc24069cdf8, slirp=<optimized out>) at slirp/bootp.c:309
 bootp_input (m=<optimized out>) at slirp/bootp.c:317
 udp_input (m=0x7fc24069cd90, iphlen=<optimized out>) at slirp/udp.c:126

[Michael Vogt (mvo)]

Fwiw, when I don't run with virtio it appears to be working just fine.
I.e. removing "-net nic,model=virtio" and "-net user"

[Jean-Baptiste Lallement (jibel)]

Thanks for your report. confirmed in Precise.

[Steve Langasek (vorlon)]

The Precise Pangolin has reached end of life, so this bug will not be fixed for that release