Re: [Qemu-devel] Windows 7 shutdown causes BSOD

[Gleb Natapov]

On Thu, Nov 17, 2011 at 06:55:14PM +0800, hkran wrote:
> On 11/17/2011 02:37 PM, Gleb Natapov wrote:
> >On Thu, Nov 17, 2011 at 02:29:47PM +0800, hkran wrote:
> >>On 11/16/2011 06:51 PM, Gleb Natapov wrote:
> >>>On Wed, Nov 16, 2011 at 10:48:15AM +0000, Stefan Hajnoczi wrote:
> >>>>On Wed, Nov 16, 2011 at 10:14 AM, hkran<address@hidden>   wrote:
> >>>>>On 11/15/2011 09:17 PM, Stefan Hajnoczi wrote:
> >>>>>>On Fri, Nov 4, 2011 at 11:25 AM, Stefan Hajnoczi<address@hidden>
> >>>>>>  wrote:
> >>>>>>>On Fri, Nov 4, 2011 at 10:48 AM, Stefan Hajnoczi<address@hidden>
> >>>>>>>  wrote:
> >>>>>>>>Windows 7 32-bit guest blue screens when I shut it down properly with
> >>>>>>>>Start | Shut Down.  The blue screen is only displayed for a split
> >>>>>>>>second before the guest reboots so I am not able to easily tell what
> >>>>>>>>it says.  My guess is that Windows is triple-faulting or soft
> >>>>>>>>rebooting - note that I told Windows to shut down, not reboot.
> >>>>>>>>
> >>>>>>>>This issue happens on qemu.git/master (and Debian kvm 0.14.1+dfsg-3).
> >>>>>>>>Here is the QEMU command-line:
> >>>>>>>>
> >>>>>>>>x86_64-softmmu/qemu-system-x86_64 -L pc-bios -cpu qemu32 -enable-kvm
> >>>>>>>>-m 1024 -rtc base=localtime -drive
> >>>>>>>>file=win7.img,if=none,id=drive-ide0-0-0,format=raw -device
> >>>>>>>>ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1
> >>>>>>>>
> >>>>>>>>Questions:
> >>>>>>>>
> >>>>>>>>Is anyone else experiencing this?
> >>>>>>>>
> >>>>>>>>Is anyone fixing this?
> >>>>>>>>
> >>>>>>>>If not I will play with it.  Disabling ACPI might reveal the source of
> >>>>>>>>the problem.  If that turns up nothing I will try to get the BSOD or
> >>>>>>>>WinDbg output.
> >>>>>>>Thanks to Andreas Faerber and Michael Tokarev I found out the
> >>>>>>>automatic reboot can be disabled in Windows.  Here is the BSOD
> >>>>>>>information:
> >>>>>>>
> >>>>>>>IRQL_NOT_LESS_OR_EQUAL
> >>>>>>>STOP: 0x0000000A (0x00000000,0x000000FF,0x00000001,0x828B7220)
> >>>>>>This decodes to:
> >>>>>>"Windows or a kernel-mode driver accessed paged memory at
> >>>>>>DISPATCH_LEVEL or above."
> >>>>>>
> >>>>>>Memory referenced: 0x00000000
> >>>>>>IRQL: 0xff
> >>>>>>Read/write: Write (1)
> >>>>>>Address which referenced memory: 0x828B7220
> >>>>>>
> >>>>>>http://msdn.microsoft.com/en-us/library/ff560129%28v=VS.85%29.aspx
> >>>>>>
> >>>>>>Looks like a NULL pointer reference or maybe a deliberate "we should
> >>>>>>never get here" failure.
> >>>>>>
> >>>>>>Stefan
> >>>>>>
> >>>>>I can reproduce this bug in my environment and found out that it has
> >>>>>something with the type of "CPU".
> >>>>>I tried the command line args as the same as Stefan's and definitely 
> >>>>>casue
> >>>>>the BSOD.
> >>>>>If i change the "-cpu qemu32" to "-cpu qemu64" or "-cpu core2duo" or
> >>>>>nothing. it will shutdown as expected, that means something?
> >>>>Thanks for sharing.  The guest is definitely sees a differed CPUID and
> >>>>can therefore take different code paths.  I'm not sure what
> >>>>specifically could have changed.
> >>>>
> >>>Try adding/removing individual cpuid bits.
> >>>
> >>>--
> >>>                   Gleb.
> >>>
> >>It seems that the .model = 3 for "qemu32" type in struct
> >>builtin_x86_defs in the file target-i386/cpuid.c make it failed.
> >>if I changed it to "2" which is the same as "qemu64". it will be OK.
> >Enable tracing like this:
> ># echo kvm:kvm_msr>  /sys/kernel/debug/tracing/set_event
> >and then reboot windows with qemu32. Look for strange things in the log.
> >Like msr read/write that caused #GP.
> >
> >--
> >                     Gleb.
> >
> the trace for kvm:kvm_msr, if it is not enough, I can enable more
> kvm tracing.
Hmm, no #GP. Now run with model=2 and do the same trace. Lets see if it
is different.

> # tracer: nop
> #
> #           TASK-PID    CPU#    TIMESTAMP  FUNCTION
> #              | |       |          |         |
>  qemu-system-x86-14634 [002] 30288.217803: kvm_msr: msr_write 8b = 0x0
>  qemu-system-x86-14634 [002] 30288.217808: kvm_msr: msr_read 8b = 0x0
>  qemu-system-x86-14634 [002] 30288.217842: kvm_msr: msr_write 8b = 0x0
>  qemu-system-x86-14634 [002] 30288.217844: kvm_msr: msr_read 8b = 0x0
>  qemu-system-x86-14634 [002] 30288.217846: kvm_msr: msr_write 8b = 0x0
>  qemu-system-x86-14634 [002] 30288.217849: kvm_msr: msr_read 8b = 0x0
>  qemu-system-x86-14634 [002] 30288.218326: kvm_msr: msr_write 10 = 0x0
>  qemu-system-x86-14634 [002] 30290.891908: kvm_msr: msr_write 277 =
> 0x7010600070106
>  qemu-system-x86-14634 [003] 30290.978139: kvm_msr: msr_read 179 = 0x20
>  qemu-system-x86-14634 [002] 30295.672706: kvm_msr: msr_read 179 = 0x20
>  qemu-system-x86-14634 [002] 30295.672709: kvm_msr: msr_read 401 = 0x0
>  qemu-system-x86-14634 [002] 30295.672710: kvm_msr: msr_read 405 = 0x0
>  qemu-system-x86-14634 [002] 30295.672711: kvm_msr: msr_read 409 = 0x0
>  qemu-system-x86-14634 [002] 30295.672712: kvm_msr: msr_read 40d = 0x0
>  qemu-system-x86-14634 [002] 30295.672713: kvm_msr: msr_read 411 = 0x0
>  qemu-system-x86-14634 [002] 30295.672714: kvm_msr: msr_read 415 = 0x0
>  qemu-system-x86-14634 [002] 30295.672715: kvm_msr: msr_read 419 = 0x0
>  qemu-system-x86-14634 [002] 30295.672716: kvm_msr: msr_read 41d = 0x0
>  qemu-system-x86-14634 [002] 30295.672717: kvm_msr: msr_read 421 = 0x0
>  qemu-system-x86-14634 [002] 30295.672718: kvm_msr: msr_read 425 = 0x0
>  qemu-system-x86-14634 [002] 30295.672719: kvm_msr: msr_read 429 = 0x0
>  qemu-system-x86-14634 [002] 30295.672720: kvm_msr: msr_read 42d = 0x0
>  qemu-system-x86-14634 [002] 30295.672721: kvm_msr: msr_read 431 = 0x0
>  qemu-system-x86-14634 [002] 30295.672722: kvm_msr: msr_read 435 = 0x0
>  qemu-system-x86-14634 [002] 30295.672723: kvm_msr: msr_read 439 = 0x0
>  qemu-system-x86-14634 [002] 30295.672724: kvm_msr: msr_read 43d = 0x0
>  qemu-system-x86-14634 [002] 30295.672725: kvm_msr: msr_read 441 = 0x0
>  qemu-system-x86-14634 [002] 30295.672726: kvm_msr: msr_read 445 = 0x0
>  qemu-system-x86-14634 [002] 30295.672727: kvm_msr: msr_read 449 = 0x0
>  qemu-system-x86-14634 [002] 30295.672728: kvm_msr: msr_read 44d = 0x0
>  qemu-system-x86-14634 [002] 30295.672729: kvm_msr: msr_read 451 = 0x0
>  qemu-system-x86-14634 [002] 30295.672729: kvm_msr: msr_read 455 = 0x0
>  qemu-system-x86-14634 [002] 30295.672730: kvm_msr: msr_read 459 = 0x0
>  qemu-system-x86-14634 [002] 30295.672731: kvm_msr: msr_read 45d = 0x0
>  qemu-system-x86-14634 [002] 30295.672732: kvm_msr: msr_read 461 = 0x0
>  qemu-system-x86-14634 [002] 30295.672733: kvm_msr: msr_read 465 = 0x0
>  qemu-system-x86-14634 [002] 30295.672734: kvm_msr: msr_read 469 = 0x0
>  qemu-system-x86-14634 [002] 30295.672735: kvm_msr: msr_read 46d = 0x0
>  qemu-system-x86-14634 [002] 30295.672736: kvm_msr: msr_read 471 = 0x0
>  qemu-system-x86-14634 [002] 30295.672737: kvm_msr: msr_read 475 = 0x0
>  qemu-system-x86-14634 [002] 30295.672738: kvm_msr: msr_read 479 = 0x0
>  qemu-system-x86-14634 [002] 30295.672739: kvm_msr: msr_read 47d = 0x0
>  qemu-system-x86-14634 [002] 30295.880773: kvm_msr: msr_write 8b = 0x0
>  qemu-system-x86-14634 [002] 30295.880778: kvm_msr: msr_read 8b = 0x0
>  qemu-system-x86-14634 [002] 30298.757975: kvm_msr: msr_write 8b = 0x0
>  qemu-system-x86-14634 [002] 30298.757980: kvm_msr: msr_read 8b = 0x0
>  qemu-system-x86-14634 [000] 30342.901013: kvm_msr: msr_read 401 = 0x0
>  qemu-system-x86-14634 [000] 30342.901017: kvm_msr: msr_read 405 = 0x0
>  qemu-system-x86-14634 [000] 30342.901019: kvm_msr: msr_read 409 = 0x0
>  qemu-system-x86-14634 [000] 30342.901020: kvm_msr: msr_read 40d = 0x0
>  qemu-system-x86-14634 [000] 30342.901021: kvm_msr: msr_read 411 = 0x0
>  qemu-system-x86-14634 [000] 30342.901022: kvm_msr: msr_read 415 = 0x0
>  qemu-system-x86-14634 [000] 30342.901023: kvm_msr: msr_read 419 = 0x0
>  qemu-system-x86-14634 [000] 30342.901024: kvm_msr: msr_read 41d = 0x0
>  qemu-system-x86-14634 [000] 30342.901026: kvm_msr: msr_read 421 = 0x0
>  qemu-system-x86-14634 [000] 30342.901027: kvm_msr: msr_read 425 = 0x0
>  qemu-system-x86-14634 [000] 30342.901028: kvm_msr: msr_read 429 = 0x0
>  qemu-system-x86-14634 [000] 30342.901029: kvm_msr: msr_read 42d = 0x0
>  qemu-system-x86-14634 [000] 30342.901030: kvm_msr: msr_read 431 = 0x0
>  qemu-system-x86-14634 [000] 30342.901031: kvm_msr: msr_read 435 = 0x0
>  qemu-system-x86-14634 [000] 30342.901032: kvm_msr: msr_read 439 = 0x0
>  qemu-system-x86-14634 [000] 30342.901034: kvm_msr: msr_read 43d = 0x0
>  qemu-system-x86-14634 [000] 30342.901035: kvm_msr: msr_read 441 = 0x0
>  qemu-system-x86-14634 [000] 30342.901036: kvm_msr: msr_read 445 = 0x0
>  qemu-system-x86-14634 [000] 30342.901037: kvm_msr: msr_read 449 = 0x0
>  qemu-system-x86-14634 [000] 30342.901038: kvm_msr: msr_read 44d = 0x0
>  qemu-system-x86-14634 [000] 30342.901039: kvm_msr: msr_read 451 = 0x0
>  qemu-system-x86-14634 [000] 30342.901041: kvm_msr: msr_read 455 = 0x0
>  qemu-system-x86-14634 [000] 30342.901042: kvm_msr: msr_read 459 = 0x0
>  qemu-system-x86-14634 [000] 30342.901043: kvm_msr: msr_read 45d = 0x0
>  qemu-system-x86-14634 [000] 30342.901044: kvm_msr: msr_read 461 = 0x0
>  qemu-system-x86-14634 [000] 30342.901046: kvm_msr: msr_read 465 = 0x0
>  qemu-system-x86-14634 [000] 30342.901047: kvm_msr: msr_read 469 = 0x0
>  qemu-system-x86-14634 [000] 30342.901048: kvm_msr: msr_read 46d = 0x0
>  qemu-system-x86-14634 [000] 30342.901049: kvm_msr: msr_read 471 = 0x0
>  qemu-system-x86-14634 [000] 30342.901050: kvm_msr: msr_read 475 = 0x0
>  qemu-system-x86-14634 [000] 30342.901052: kvm_msr: msr_read 479 = 0x0
>  qemu-system-x86-14634 [000] 30342.901053: kvm_msr: msr_read 47d = 0x0
>  qemu-system-x86-14634 [003] 30389.843468: kvm_msr: msr_read 401 = 0x0
>  qemu-system-x86-14634 [003] 30389.843474: kvm_msr: msr_read 405 = 0x0
>  qemu-system-x86-14634 [003] 30389.843477: kvm_msr: msr_read 409 = 0x0
>  qemu-system-x86-14634 [003] 30389.843480: kvm_msr: msr_read 40d = 0x0
>  qemu-system-x86-14634 [003] 30389.843483: kvm_msr: msr_read 411 = 0x0
>  qemu-system-x86-14634 [003] 30389.843486: kvm_msr: msr_read 415 = 0x0
>  qemu-system-x86-14634 [003] 30389.843489: kvm_msr: msr_read 419 = 0x0
>  qemu-system-x86-14634 [003] 30389.843492: kvm_msr: msr_read 41d = 0x0
>  qemu-system-x86-14634 [003] 30389.843495: kvm_msr: msr_read 421 = 0x0
>  qemu-system-x86-14634 [003] 30389.843498: kvm_msr: msr_read 425 = 0x0
>  qemu-system-x86-14634 [003] 30389.843501: kvm_msr: msr_read 429 = 0x0
>  qemu-system-x86-14634 [003] 30389.843504: kvm_msr: msr_read 42d = 0x0
>  qemu-system-x86-14634 [003] 30389.843507: kvm_msr: msr_read 431 = 0x0
>  qemu-system-x86-14634 [003] 30389.843510: kvm_msr: msr_read 435 = 0x0
>  qemu-system-x86-14634 [003] 30389.843513: kvm_msr: msr_read 439 = 0x0
>  qemu-system-x86-14634 [003] 30389.843516: kvm_msr: msr_read 43d = 0x0
>  qemu-system-x86-14634 [003] 30389.843519: kvm_msr: msr_read 441 = 0x0
>  qemu-system-x86-14634 [003] 30389.843522: kvm_msr: msr_read 445 = 0x0
>  qemu-system-x86-14634 [003] 30389.843525: kvm_msr: msr_read 449 = 0x0
>  qemu-system-x86-14634 [003] 30389.843528: kvm_msr: msr_read 44d = 0x0
>  qemu-system-x86-14634 [003] 30389.843531: kvm_msr: msr_read 451 = 0x0
>  qemu-system-x86-14634 [003] 30389.843534: kvm_msr: msr_read 455 = 0x0
>  qemu-system-x86-14634 [003] 30389.843537: kvm_msr: msr_read 459 = 0x0
>  qemu-system-x86-14634 [003] 30389.843540: kvm_msr: msr_read 45d = 0x0
>  qemu-system-x86-14634 [003] 30389.843543: kvm_msr: msr_read 461 = 0x0
>  qemu-system-x86-14634 [003] 30389.843546: kvm_msr: msr_read 465 = 0x0
>  qemu-system-x86-14634 [003] 30389.843548: kvm_msr: msr_read 469 = 0x0
>  qemu-system-x86-14634 [003] 30389.843551: kvm_msr: msr_read 46d = 0x0
>  qemu-system-x86-14634 [003] 30389.843555: kvm_msr: msr_read 471 = 0x0
>  qemu-system-x86-14634 [003] 30389.843558: kvm_msr: msr_read 475 = 0x0
>  qemu-system-x86-14634 [003] 30389.843561: kvm_msr: msr_read 479 = 0x0
>  qemu-system-x86-14634 [003] 30389.843564: kvm_msr: msr_read 47d = 0x0
>  qemu-system-x86-14634 [002] 30436.593753: kvm_msr: msr_read 401 = 0x0
>  qemu-system-x86-14634 [002] 30436.593758: kvm_msr: msr_read 405 = 0x0
>  qemu-system-x86-14634 [002] 30436.593761: kvm_msr: msr_read 409 = 0x0
>  qemu-system-x86-14634 [002] 30436.593763: kvm_msr: msr_read 40d = 0x0
>  qemu-system-x86-14634 [002] 30436.593765: kvm_msr: msr_read 411 = 0x0
>  qemu-system-x86-14634 [002] 30436.593767: kvm_msr: msr_read 415 = 0x0
>  qemu-system-x86-14634 [002] 30436.593770: kvm_msr: msr_read 419 = 0x0
>  qemu-system-x86-14634 [002] 30436.593772: kvm_msr: msr_read 41d = 0x0
>  qemu-system-x86-14634 [002] 30436.593774: kvm_msr: msr_read 421 = 0x0
>  qemu-system-x86-14634 [002] 30436.593776: kvm_msr: msr_read 425 = 0x0
>  qemu-system-x86-14634 [002] 30436.593779: kvm_msr: msr_read 429 = 0x0
>  qemu-system-x86-14634 [002] 30436.593781: kvm_msr: msr_read 42d = 0x0
>  qemu-system-x86-14634 [002] 30436.593783: kvm_msr: msr_read 431 = 0x0
>  qemu-system-x86-14634 [002] 30436.593785: kvm_msr: msr_read 435 = 0x0
>  qemu-system-x86-14634 [002] 30436.593787: kvm_msr: msr_read 439 = 0x0
>  qemu-system-x86-14634 [002] 30436.593790: kvm_msr: msr_read 43d = 0x0
>  qemu-system-x86-14634 [002] 30436.593792: kvm_msr: msr_read 441 = 0x0
>  qemu-system-x86-14634 [002] 30436.593794: kvm_msr: msr_read 445 = 0x0
>  qemu-system-x86-14634 [002] 30436.593797: kvm_msr: msr_read 449 = 0x0
>  qemu-system-x86-14634 [002] 30436.593800: kvm_msr: msr_read 44d = 0x0
>  qemu-system-x86-14634 [002] 30436.593803: kvm_msr: msr_read 451 = 0x0
>  qemu-system-x86-14634 [002] 30436.593806: kvm_msr: msr_read 455 = 0x0
>  qemu-system-x86-14634 [002] 30436.593809: kvm_msr: msr_read 459 = 0x0
>  qemu-system-x86-14634 [002] 30436.593812: kvm_msr: msr_read 45d = 0x0
>  qemu-system-x86-14634 [002] 30436.593816: kvm_msr: msr_read 461 = 0x0
>  qemu-system-x86-14634 [002] 30436.593818: kvm_msr: msr_read 465 = 0x0
>  qemu-system-x86-14634 [002] 30436.593821: kvm_msr: msr_read 469 = 0x0
>  qemu-system-x86-14634 [002] 30436.593824: kvm_msr: msr_read 46d = 0x0
>  qemu-system-x86-14634 [002] 30436.593827: kvm_msr: msr_read 471 = 0x0
>  qemu-system-x86-14634 [002] 30436.593830: kvm_msr: msr_read 475 = 0x0
>  qemu-system-x86-14634 [002] 30436.593834: kvm_msr: msr_read 479 = 0x0
>  qemu-system-x86-14634 [002] 30436.593837: kvm_msr: msr_read 47d = 0x0
>  qemu-system-x86-14634 [002] 30483.401291: kvm_msr: msr_read 401 = 0x0
>  qemu-system-x86-14634 [002] 30483.401296: kvm_msr: msr_read 405 = 0x0
>  qemu-system-x86-14634 [002] 30483.401298: kvm_msr: msr_read 409 = 0x0
>  qemu-system-x86-14634 [002] 30483.401301: kvm_msr: msr_read 40d = 0x0
>  qemu-system-x86-14634 [002] 30483.401303: kvm_msr: msr_read 411 = 0x0
>  qemu-system-x86-14634 [002] 30483.401305: kvm_msr: msr_read 415 = 0x0
>  qemu-system-x86-14634 [002] 30483.401308: kvm_msr: msr_read 419 = 0x0
>  qemu-system-x86-14634 [002] 30483.401310: kvm_msr: msr_read 41d = 0x0
>  qemu-system-x86-14634 [002] 30483.401312: kvm_msr: msr_read 421 = 0x0
>  qemu-system-x86-14634 [002] 30483.401314: kvm_msr: msr_read 425 = 0x0
>  qemu-system-x86-14634 [002] 30483.401316: kvm_msr: msr_read 429 = 0x0
>  qemu-system-x86-14634 [002] 30483.401319: kvm_msr: msr_read 42d = 0x0
>  qemu-system-x86-14634 [002] 30483.401321: kvm_msr: msr_read 431 = 0x0
>  qemu-system-x86-14634 [002] 30483.401323: kvm_msr: msr_read 435 = 0x0
>  qemu-system-x86-14634 [002] 30483.401325: kvm_msr: msr_read 439 = 0x0
>  qemu-system-x86-14634 [002] 30483.401328: kvm_msr: msr_read 43d = 0x0
>  qemu-system-x86-14634 [002] 30483.401330: kvm_msr: msr_read 441 = 0x0
>  qemu-system-x86-14634 [002] 30483.401332: kvm_msr: msr_read 445 = 0x0
>  qemu-system-x86-14634 [002] 30483.401334: kvm_msr: msr_read 449 = 0x0
>  qemu-system-x86-14634 [002] 30483.401336: kvm_msr: msr_read 44d = 0x0
>  qemu-system-x86-14634 [002] 30483.401339: kvm_msr: msr_read 451 = 0x0
>  qemu-system-x86-14634 [002] 30483.401341: kvm_msr: msr_read 455 = 0x0
>  qemu-system-x86-14634 [002] 30483.401343: kvm_msr: msr_read 459 = 0x0
>  qemu-system-x86-14634 [002] 30483.401345: kvm_msr: msr_read 45d = 0x0
>  qemu-system-x86-14634 [002] 30483.401347: kvm_msr: msr_read 461 = 0x0
>  qemu-system-x86-14634 [002] 30483.401350: kvm_msr: msr_read 465 = 0x0
>  qemu-system-x86-14634 [002] 30483.401352: kvm_msr: msr_read 469 = 0x0
>  qemu-system-x86-14634 [002] 30483.401354: kvm_msr: msr_read 46d = 0x0
>  qemu-system-x86-14634 [002] 30483.401356: kvm_msr: msr_read 471 = 0x0
>  qemu-system-x86-14634 [002] 30483.401359: kvm_msr: msr_read 475 = 0x0
>  qemu-system-x86-14634 [002] 30483.401361: kvm_msr: msr_read 479 = 0x0
>  qemu-system-x86-14634 [002] 30483.401363: kvm_msr: msr_read 47d = 0x0
> 
> BSOD

--
                        Gleb.