Re: [Qemu-devel] [Bug] Linux host crash with qemu-0.10.4 + kqemu-1.4.0pre1 + F10-i686-Live-XFCE.iso guest

[Sergei Steshenko]

--- On Sun, 5/17/09, Sergei Steshenko <address@hidden> wrote:

> From: Sergei Steshenko <address@hidden>
> Subject: [Qemu-devel] [Bug] Linux host crash with qemu-0.10.4 + 
> kqemu-1.4.0pre1 + F10-i686-Live-XFCE.iso guest
> To: address@hidden
> Date: Sunday, May 17, 2009, 4:57 PM
> 
> Hello,
> 
> I've experienced SUSE-10.3 host crash while running
> 
> (export QEMU_AUDIO_DRV=alsa;export
> QEMU_ALSA_DAC_BUFFER_SIZE=16384;export
> QEMU_ALSA_DAC_DEV=hw:0;/mnt/sdb8/sergei/AFSWD_debug/install/qemu-0.10.4/binsh/qemu
> -m 256 -cdrom F10-i686-Live-XFCE.iso -localtime
> -kernel-kqemu -tftp `pwd` -usb -usbdevice tablet -soundhw
> sb16 -no-acpi) &
> .
> 
> The same qemu + kqemu work pretty fine/stable with win2k
> guest - I don't 
> remember host crashes, and the guest is stable too.
> 
> F10-i686-Live-XFCE.iso is Fedora 10 XFCE live CD.
> 
> "
> uname -a
> Linux amdam2 2.6.22.19-0.2-default #1 SMP 2008-12-18
> 10:17:03 +0100 i686 athlon i386 GNU/Linux
> "
> 
> - 32 bits system running on
> 
> "
> cat /proc/cpuinfo
> processor       : 0
> vendor_id       : AuthenticAMD
> cpu family      : 15
> model           : 107
> model name      : AMD Athlon(tm) 64 X2 Dual
> Core Processor 5000+
> stepping        : 2
> cpu MHz         : 1000.000
> cache size      : 512 KB
> physical id     : 0
> siblings        : 2
> core id         : 0
> cpu cores       : 2
> fdiv_bug        : no
> hlt_bug         : no
> f00f_bug        : no
> coma_bug        : no
> fpu             :
> yes
> fpu_exception   : yes
> cpuid level     : 1
> wp              : yes
> flags           : fpu
> vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
> pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext
> fxsr_opt rdtscp lm 3dnowext 3dnow pni cx16 lahf_lm
> cmp_legacy svm extapic cr8legacy 3dnowprefetch ts fid vid
> ttp tm stc 100mhzsteps
> bogomips        : 2011.03
> clflush size    : 64
> 
> processor       : 1
> vendor_id       : AuthenticAMD
> cpu family      : 15
> model           : 107
> model name      : AMD Athlon(tm) 64 X2 Dual
> Core Processor 5000+
> stepping        : 2
> cpu MHz         : 1000.000
> cache size      : 512 KB
> physical id     : 0
> siblings        : 2
> core id         : 1
> cpu cores       : 2
> fdiv_bug        : no
> hlt_bug         : no
> f00f_bug        : no
> coma_bug        : no
> fpu             :
> yes
> fpu_exception   : yes
> cpuid level     : 1
> wp              : yes
> flags           : fpu
> vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
> pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext
> fxsr_opt rdtscp lm 3dnowext 3dnow pni cx16 lahf_lm
> cmp_legacy svm extapic cr8legacy 3dnowprefetch ts fid vid
> ttp tm stc 100mhzsteps
> bogomips        : 2011.03
> clflush size    : 64
> ".
> 
> 
> Regards,
>   Sergei.
> 


And this is what was recorded in /var/log/messages:

May 19 03:24:01 amdam2 kernel: BUG: unable to handle kernel paging request at 
virtual address ffff0005
May 19 03:24:01 amdam2 kernel:  printing eip:
May 19 03:24:01 amdam2 kernel: c01654d6
May 19 03:24:01 amdam2 kernel: *pde = 00004067
May 19 03:24:01 amdam2 kernel: *pte = 00000000
May 19 03:24:01 amdam2 kernel: Oops: 0002 [#1]
May 19 03:24:01 amdam2 kernel: SMP
May 19 03:24:01 amdam2 kernel: last sysfs file: 
/devices/pci0000:00/0000:00:07.0/irq
May 19 03:24:01 amdam2 kernel: Modules linked in: kqemu xt_TCPMSS ip6t_LOG 
ipt_LOG xt_limit ipt_MASQUERADE xt_pkttype nf_conntrack_ipv6 it87 hwmon_vid 
i2c_isa snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device af_packet xt_state 
xt_tcpudp ip6t_REJECT ipt_REJECT iptable_mangle iptable_nat nf_nat 
iptable_filter ip6table_mangle nf_conntrack_ipv4 nf_conntrack nfnetlink 
ip_tables ip6table_filter ip6_tables x_tables ipv6 cpufreq_conservative 
cpufreq_userspace cpufreq_powersave powernow_k8 apparmor fuse loop dm_mod 
nvidia(P) button ohci1394 snd_hda_intel snd_pcm snd_timer i2c_nforce2 ieee1394 
snd parport_pc parport rtc_cmos rtc_core agpgart k8temp rtc_lib i2c_core hwmon 
forcedeth 3c59x mii soundcore snd_page_alloc sr_mod cdrom sg usbhid hid 
ff_memless sd_mod ohci_hcd ehci_hcd usbcore edd ext3 mbcache jbd fan aic7xxx 
scsi_transport_spi sata_nv pata_amd libata scsi_mod thermal processor
May 19 03:24:01 amdam2 kernel: CPU:    1
May 19 03:24:01 amdam2 kernel: EIP:    0060:[<c01654d6>]    Tainted: P      N 
VLI
May 19 03:24:01 amdam2 kernel: EFLAGS: 00010202   (2.6.22.19-0.2-default #1)
May 19 03:24:01 amdam2 kernel: EIP is at anon_vma_unlink+0x18/0x4a
May 19 03:24:01 amdam2 kernel: eax: 00000001   ebx: e268793c   ecx: b67b5000   
edx: ffff0001
May 19 03:24:01 amdam2 kernel: esi: e2687900   edi: c0163245   ebp: f54629c8   
esp: dee6df20
May 19 03:24:01 amdam2 kernel: ds: 007b   es: 007b   fs: 00d8  gs: 0033  ss: 
0068
May 19 03:24:01 amdam2 kernel: Process octave (pid: 21941, ti=dee6c000 
task=df83aab0 task.ti=dee6c000)
May 19 03:24:01 amdam2 kernel: Stack: c1f99244 e2687900 c016123b c035d200 
c1f9aaac b67b5000 dee6df64 c1f99244
May 19 03:24:01 amdam2 kernel:        e2687900 f48c1df4 f57fe8b4 c016217c 
b67ba000 dee6df60 00000000 e2687900
May 19 03:24:01 amdam2 kernel:        00000000 c1f99244 e2687900 f6786bfc 
f6786bfc f48c1df4 c0162a92 b67b9000
May 19 03:24:01 amdam2 kernel: Call Trace:
May 19 03:24:01 amdam2 kernel:  [<c016123b>] free_pgtables+0x20/0xa0
May 19 03:24:01 amdam2 kernel:  [<c016217c>] unmap_region+0xbc/0xf8
May 19 03:24:01 amdam2 kernel:  [<c0162a92>] do_munmap+0x162/0x1b4
May 19 03:24:01 amdam2 kernel:  [<c0162b14>] sys_munmap+0x30/0x3e
May 19 03:24:01 amdam2 kernel:  [<c0104e32>] sysenter_past_esp+0x6b/0xa9
May 19 03:24:01 amdam2 kernel:  =======================
May 19 03:24:01 amdam2 kernel: Code: 05 3b 4a 08 72 04 0f 0b eb fe c7 40 08 00 
00 00 00 eb be 56 89 c6 53 8b 58 3c 85 db 74 3c 89 d8 e8 b6 0e 16 00 8b 56 34 
8b 46 38 <89> 42 04 89 10 b0 01 c7 46 34 00 01 10 00 8b 53 04 c7 46 38 00
May 19 03:24:01 amdam2 kernel: EIP: [<c01654d6>] anon_vma_unlink+0x18/0x4a 
SS:ESP 0068:dee6df20