[Qemu-devel] [Bug 571432] Re: qemu-system-arm crashed with SIGSEGV in subpage_register()

[sam tygier]

the actual qemu output from:
qemu-system-arm -M versatilepb -cpu cortex-a8 -kernel qemu-vmlinuz -no-reboot 
-nographic -drive file=qemu-armel-201006261210.img,aio=native,cache=none -m 256 
-net nic,model=rtl8139 -append "console=ttyAMA0,115200n8 root=/dev/sda rw 
mem=256M devtmpfs.mount=0 init=/bin/installer"


[    5.269126] Freeing init memory: 152K
I: Starting basic services in VM
Adding `local diversion of /usr/sbin/invoke-rc.d to 
/usr/sbin/invoke-rc.d.rootstock'
modprobe: FATAL: Could not load /lib/modules/2.6.32-21-versatile/modules.dep: 
No such file or directory

eth0: ERROR while getting interface flags: No such device
[    8.454660] Kernel panic - not syncing: Attempted to kill init!
[    8.455793] [<c0035b38>] (unwind_backtrace+0x0/0xe4) from [<c03fd3b0>] 
(dump_stack+0x20/0x24)
[    8.456087] [<c03fd3b0>] (dump_stack+0x20/0x24) from [<c03fd408>] 
(panic+0x54/0x124)
[    8.456376] [<c03fd408>] (panic+0x54/0x124) from [<c005911c>] 
(forget_original_parent+0x94/0x264)
[    8.456647] [<c005911c>] (forget_original_parent+0x94/0x264) from 
[<c005930c>] (exit_notify+0x20/0x14c)
[    8.456925] [<c005930c>] (exit_notify+0x20/0x14c) from [<c00596a0>] 
(do_exit+0x268/0x2e4)
[    8.457179] [<c00596a0>] (do_exit+0x268/0x2e4) from [<c00597a8>] 
(do_group_exit+0x8c/0xbc)
[    8.457432] [<c00597a8>] (do_group_exit+0x8c/0xbc) from [<c00597f8>] 
(sys_exit_group+0x20/0x28)
[    8.457713] [<c00597f8>] (sys_exit_group+0x20/0x28) from [<c002ea40>] 
(ret_fast_syscall+0x0/0x2c)

-- 
qemu-system-arm crashed with SIGSEGV in subpage_register()
https://bugs.launchpad.net/bugs/571432
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.

Status in QEMU: New
Status in “qemu-kvm” package in Ubuntu: Incomplete

Bug description:
Binary package hint: qemu-kvm

i think this is the crash behind Bug #570588 not sure why apport did not 
trigger before

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: qemu-kvm-extras 0.12.3+noroms-0ubuntu9
ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-generic x86_64
NonfreeKernelModules: openafs
Architecture: amd64
Date: Wed Apr 28 21:30:13 2010
ExecutablePath: /usr/bin/qemu-system-arm
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
KvmCmdLine: Error: command ['ps', '-C', 'kvm', '-F'] failed with exit code 1: 
UID        PID  PPID  C    SZ   RSS PSR STIME TTY          TIME CMD
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic 
root=UUID=52d7f930-7148-4978-825e-71fcb9243ac6 ro quiet splash
ProcCmdline: qemu-system-arm -M versatilepb -cpu cortex-a8 -kernel 
/tmp/tmp.B2CtSo2g2u/qemu-vmlinuz -no-reboot -nographic -pidfile 
/tmp/tmp.B2CtSo2g2u/qemu.pid -drive 
file=/tmp/tmp.B2CtSo2g2u/qemu-armel-201004282122.img,aio=native,cache=none -m 
512 -append console=ttyAMA0,115200n8\ root=/dev/sda\ rw\ mem=256M\ 
devtmpfs.mount=0\ init=/bin/installer\ quiet
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_GB.UTF-8
SegvAnalysis:
 Segfault happened at: 0x51058e <subpage_register+158>: cmpq   $0x0,(%rdx)
 PC (0x0051058e) ok
 source "$0x0" ok
 destination "(%rdx)" (0x40cc28c0) not located in a known VMA region (needed 
writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: qemu-kvm
StacktraceTop:
 subpage_register (mmio=0x7f841b26d010, start=<value optimised out>, 
 subpage_init (base=268500992, phys=0x1d47400, 
 cpu_register_physical_memory_offset (
 smc91c111_init (nd=0xc41b60, base=1087121600, 
 versatile_init (ram_size=<value optimised out>,
Title: qemu-system-arm crashed with SIGSEGV in subpage_register()
UserGroups:
 
dmi.bios.date: 11/07/2007
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 6.00
dmi.board.name: S2696
dmi.board.vendor: Tyan Computer Corporation
dmi.chassis.type: 6
dmi.modalias: 
dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd11/07/2007:svn:pn:pvr:rvnTyanComputerCorporation:rnS2696:rvr:cvn:ct6:cvr: