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[qvm86-devel] Crash with mepis and 2.6 kernel
From: |
Hal Finkel |
Subject: |
[qvm86-devel] Crash with mepis and 2.6 kernel |
Date: |
Sat, 06 Aug 2005 17:21:12 -0400 |
User-agent: |
Mozilla Thunderbird 1.0.2 (X11/20050404) |
Hello,
I have attempted using qvm86 for the first time today (using a CVS
checkout from today and qemu 0.7.1). When attempting to run the MEPIS CD
using the 2.6 kernel, qvm86 crashes after only a few seconds causing
qemu to seg-fault. The problem seems reproducible. The host system is
running 2.6.12.3 compiled for i686.
The command used for running qemu was:
qemu -hda images/SimplyMEPIS-3.3.1-1.qcow -hdb images/tmp.2g.ext2.qcow
-cdrom iso/SimplyMEPIS-3.3.1-1.iso -boot d -monitor stdio -k en-us
The output from the kernel message log is attached.
Other distributions boot (such as Ubuntu 5.04 or MEPIS using the 2.4
kernel), however may applications run inside the emulator crash and
qvm86 often outputs the message "iomapped page" (although I do not know
if that message is related to the crashing applications).
Thanks,
Hal
[ 1038.599282] qvm86: Module loaded
[ 1038.600484] qvm86: Created device 10.62
[ 1230.342014] qvm86: Creating guest VM
[ 1259.813883] qvm86:assertion failure:Selector not mapped
[ 1259.813889]
[ 1259.813923] Unable to handle kernel NULL pointer dereference at virtual
address 0000009c
[ 1259.813926] printing eip:
[ 1259.813928] e0c5475b
[ 1259.813929] *pde = 00000000
[ 1259.813932] Oops: 0000 [#1]
[ 1259.813934] PREEMPT
[ 1259.813936] Modules linked in: qvm86 i915 drm video battery container button
ac ipv6 e100 mii snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm
snd_timer snd soundcore snd_page_alloc i2c_i801 i2c_core tpm_nsc tpm_atmel tpm
shpchp pci_hotplug ehci_hcd uhci_hcd usbcore intel_agp agpgart floppy pcspkr
rtc tsdev evdev md dm_mod psmouse mousedev parport_pc lp parport ide_cd cdrom
ide_generic siimage aec62xx trm290 alim15x3 hpt34x hpt366 cmd64x piix rz1000
slc90e66 generic cs5530 cs5520 sc1200 triflex atiixp pdc202xx_old pdc202xx_new
opti621 ns87415 cy82c693 amd74xx sis5513 via82cxxx serverworks unix thermal
processor fan
[ 1259.813973] CPU: 0
[ 1259.813974] EIP: 0060:[<e0c5475b>] Not tainted VLI
[ 1259.813975] EFLAGS: 00210202 (2.6.12.3.20050724v2)
[ 1259.813986] EIP is at qvm86_verify_selector+0x2b/0x130 [qvm86]
[ 1259.813989] eax: 00000f3b ebx: 00000001 ecx: c035090c edx: 00000098
[ 1259.813992] esi: cee35e6c edi: cee35e20 ebp: 00000000 esp: cee35d9c
[ 1259.813994] ds: 007b es: 007b ss: 0068
[ 1259.813997] Process qemu (pid: 6899, threadinfo=cee34000 task=d0255020)
[ 1259.813999] Stack: cee35da8 e0c546f2 e0c568a0 c04ab000 00000f3b 00000001
cee35e6c e0c28000
[ 1259.814006] cee35e20 e0c55c90 e0c28000 cee35e20 00000000 00000098
00000000 cee35e20
[ 1259.814011] bfc9d060 cee35e20 e0c28000 00000000 c11c7101 e0c543a7
e0c28000 cee35e20
[ 1259.814017] Call Trace:
[ 1259.814020] [<e0c546f2>] qvm86_find_selector+0xa2/0xe0 [qvm86]
[ 1259.814038] [<e0c55c90>] qvm86_exec+0x150/0x400 [qvm86]
[ 1259.814062] [<e0c543a7>] qvm86_linux_ioctl+0xd7/0x130 [qvm86]
[ 1259.814075] [<c0141153>] __alloc_pages+0x2e3/0x430
[ 1259.814217] [<c016e8d0>] do_ioctl+0x70/0xa0
[ 1259.814236] [<c016eab5>] vfs_ioctl+0x65/0x1f0
[ 1259.814253] [<c016ec85>] sys_ioctl+0x45/0x70
[ 1259.814270] [<c010312b>] sysenter_past_esp+0x54/0x75
[ 1259.814302] Code: 55 57 56 53 83 ec 14 8b 6c 24 30 8b 54 24 2c 89 e8 c1 e0
04 8d 3c 02 8b 47 3c 83 f8 03 89 44 24 10 0f 86 d7 00 00 00 8b 54 24 34 <8b> 4a
04 8b 1a 89 c8 0f b7 f3 25 00 00 0f 00 09 c6 f7 c1 00 00
[ 1259.814327] <6>qvm86: Device closed
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