Re: [Qemu-devel] E5-2620v2 - emulation stop error

[Andrey Korolyov <andrey@xdel.ru>]

On Thu, Mar 26, 2015 at 8:06 PM, Kevin O'Connor <kevin@koconnor.net> wrote:
> On Thu, Mar 26, 2015 at 07:48:09PM +0300, Andrey Korolyov wrote:
>> On Thu, Mar 26, 2015 at 7:36 PM, Kevin O'Connor <kevin@koconnor.net> wrote:
>> > I'm not sure if the crash always happens at the "int $0x19" location
>> > though.  Andrey, does the crash always happen with "EIP=d331" and/or
>> > with "Code=... <cd> 19"?
>>
>> There are also rare occurences for d3f9 (in the middle of ep) and d334
>> ep (less than one tenth of events for both). I`ll post a sample event
>> capture with and without Radim`s proposed patch maybe today or
>> tomorrow.
>>
>> /root/seabios-1.8.1/src/romlayout.S:289
>>     d3eb:       66 50                   pushl  %eax
>>     d3ed:       66 51                   pushl  %ecx
>>     d3ef:       66 52                   pushl  %edx
>>     d3f1:       66 53                   pushl  %ebx
>>     d3f3:       66 55                   pushl  %ebp
>>     d3f5:       66 56                   pushl  %esi
>>     d3f7:       66 57                   pushl  %edi
>>     d3f9:       06                      pushw  %es
>>     d3fa:       1e                      pushw  %ds
>>
>> 0000d334 <irq_trampoline_0x1c>:
>> irq_trampoline_0x1c():
>> /root/seabios-1.8.1/src/romlayout.S:196
>>     d334:       cd 1c                   int    $0x1c
>>     d336:       cb                      lretw
>
> Thanks.  The d334 looks very similar to the d331 report (code=<cd>
> 1c).  That path could happen during post (big real mode) or
> immiediately after post (real mode).
>
> The d3f9 report does not look like the others - interrupts are
> disabled there.  If you still have the error logs, can you post the
> full kvm crash report for d3f9?
>

Here you go:

KVM internal error. Suberror: 2
extra data[0]: 800000ef
extra data[1]: 80000b0d
EAX=00000003 EBX=00000000 ECX=00000000 EDX=00000000
ESI=00000000 EDI=00000000 EBP=00000000 ESP=00006cd4
EIP=0000d3f9 EFL=00010202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 00000000 0000ffff 00009300
CS =f000 000f0000 0000ffff 00009b00
SS =0000 00000000 0000ffff 00009300
DS =0000 00000000 0000ffff 00009300
FS =0000 00000000 0000ffff 00009300
GS =0000 00000000 0000ffff 00009300
LDT=0000 00000000 0000ffff 00008200
TR =0000 00000000 0000ffff 00008b00
GDT=     000f6e98 00000037
IDT=     00000000 000003ff
CR0=00000010 CR2=00000000 CR3=00000000 CR4=00000000
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000
DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000000
Code=48 18 67 8c 00 8c d1 8e d9 66 5a 66 58 66 5d 66 c3 cd 02 cb <cd>
10 cb cd 13 cb cd 15 cb cd 16 cb cd 18 cb cd 19 cb cd 1c cb fa fc 66
b8 00 e0 00 00 8e