From: Kevin O'Connor <kevin@koconnor.net> To: Andrey Korolyov <andrey@xdel.ru> Cc: "Radim Krčmář" <rkrcmar@redhat.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, "Bandan Das" <bsd@redhat.com>, "Paolo Bonzini" <pbonzini@redhat.com>, "Gerd Hoffmann" <kraxel@redhat.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, "kvm@vger.kernel.org" <kvm@vger.kernel.org> Subject: Re: [Qemu-devel] E5-2620v2 - emulation stop error Date: Thu, 26 Mar 2015 13:18:38 -0400 [thread overview] Message-ID: <20150326171838.GB15796@morn.localdomain> (raw) In-Reply-To: <CABYiri_D-Y8uxW30ddwomnbotCFFWLEKU7rona761W5yo66-zQ@mail.gmail.com> On Thu, Mar 26, 2015 at 08:08:52PM +0300, Andrey Korolyov wrote: > 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: Thanks. While we're at, can you verify if all your reports are showing the cpu in "real mode". That is, do they all have "0000ffff" in the third column of the segment registers - as in: > ES =0000 00000000 0000ffff 00009300 [...] > 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 KVM reports the code as "int $0x10" here. Was it possible this report was from a different build of seabios (that had a different code layout)? Interestingly, this "int $0x10" is also in real-mode and not "big real mode", so I think it would have occurred after post completed. -Kevin
WARNING: multiple messages have this Message-ID (diff)
From: Kevin O'Connor <kevin@koconnor.net> To: Andrey Korolyov <andrey@xdel.ru> Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>, "Radim Krčmář" <rkrcmar@redhat.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, "Bandan Das" <bsd@redhat.com>, "Gerd Hoffmann" <kraxel@redhat.com>, "Paolo Bonzini" <pbonzini@redhat.com> Subject: Re: [Qemu-devel] E5-2620v2 - emulation stop error Date: Thu, 26 Mar 2015 13:18:38 -0400 [thread overview] Message-ID: <20150326171838.GB15796@morn.localdomain> (raw) In-Reply-To: <CABYiri_D-Y8uxW30ddwomnbotCFFWLEKU7rona761W5yo66-zQ@mail.gmail.com> On Thu, Mar 26, 2015 at 08:08:52PM +0300, Andrey Korolyov wrote: > 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: Thanks. While we're at, can you verify if all your reports are showing the cpu in "real mode". That is, do they all have "0000ffff" in the third column of the segment registers - as in: > ES =0000 00000000 0000ffff 00009300 [...] > 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 KVM reports the code as "int $0x10" here. Was it possible this report was from a different build of seabios (that had a different code layout)? Interestingly, this "int $0x10" is also in real-mode and not "big real mode", so I think it would have occurred after post completed. -Kevin
next prev parent reply other threads:[~2015-03-26 17:19 UTC|newest] Thread overview: 157+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-03-05 22:14 E5-2620v2 - emulation stop error Andrey Korolyov 2015-03-05 22:14 ` [Qemu-devel] " Andrey Korolyov 2015-03-05 23:44 ` Andrey Korolyov 2015-03-05 23:44 ` [Qemu-devel] " Andrey Korolyov 2015-03-06 16:57 ` Bandan Das 2015-03-06 16:57 ` Bandan Das 2015-03-07 0:00 ` Andrey Korolyov 2015-03-10 14:24 ` Andrey Korolyov 2015-03-10 16:57 ` Dr. David Alan Gilbert 2015-03-10 18:08 ` Andrey Korolyov 2015-03-10 18:16 ` Dr. David Alan Gilbert 2015-03-10 18:21 ` Andrey Korolyov 2015-03-10 19:30 ` Paolo Bonzini 2015-03-10 18:10 ` Paolo Bonzini 2015-03-10 18:21 ` Bandan Das 2015-03-10 18:21 ` Bandan Das 2015-03-10 19:25 ` Paolo Bonzini 2015-03-10 19:25 ` Paolo Bonzini 2015-03-10 19:37 ` Dr. David Alan Gilbert 2015-03-10 20:29 ` Dr. David Alan Gilbert 2015-03-10 20:29 ` Dr. David Alan Gilbert 2015-03-11 2:38 ` Bandan Das 2015-03-11 2:38 ` Bandan Das 2015-03-11 13:45 ` Dr. David Alan Gilbert 2015-03-11 13:45 ` Dr. David Alan Gilbert 2015-03-11 15:42 ` Kevin O'Connor 2015-03-11 15:42 ` Kevin O'Connor 2015-03-11 15:53 ` Dr. David Alan Gilbert 2015-03-11 15:53 ` Dr. David Alan Gilbert 2015-03-11 16:37 ` Kevin O'Connor 2015-03-11 16:37 ` [Qemu-devel] " Kevin O'Connor 2015-03-11 16:52 ` Dr. David Alan Gilbert 2015-03-11 16:52 ` Dr. David Alan Gilbert 2015-03-11 17:37 ` Kevin O'Connor 2015-03-11 17:37 ` Kevin O'Connor 2015-03-11 17:41 ` Paolo Bonzini 2015-03-11 17:41 ` Paolo Bonzini 2015-03-11 17:59 ` Dr. David Alan Gilbert 2015-03-11 17:59 ` Dr. David Alan Gilbert 2015-03-11 18:24 ` Bandan Das 2015-03-11 18:24 ` Bandan Das 2015-03-11 18:40 ` Kevin O'Connor 2015-03-11 18:40 ` Kevin O'Connor 2015-03-11 18:45 ` Kevin O'Connor 2015-03-11 18:45 ` Kevin O'Connor 2015-03-11 19:19 ` Kevin O'Connor 2015-03-11 19:19 ` Kevin O'Connor 2015-03-11 19:33 ` Dr. David Alan Gilbert 2015-03-11 19:33 ` Dr. David Alan Gilbert 2015-03-11 19:47 ` Bandan Das 2015-03-11 19:47 ` Bandan Das 2015-03-11 19:47 ` Andrey Korolyov 2015-03-11 19:47 ` Andrey Korolyov 2015-03-11 19:59 ` Dr. David Alan Gilbert 2015-03-11 19:59 ` Dr. David Alan Gilbert 2015-03-11 20:09 ` Andrey Korolyov 2015-03-11 20:09 ` Andrey Korolyov 2015-03-12 9:59 ` Dr. David Alan Gilbert 2015-03-12 9:59 ` Dr. David Alan Gilbert 2015-03-12 10:47 ` Andrey Korolyov 2015-03-12 10:47 ` Andrey Korolyov 2015-03-16 19:17 ` Andrey Korolyov 2015-03-16 19:17 ` Andrey Korolyov 2015-03-16 19:26 ` Dr. David Alan Gilbert 2015-03-16 19:26 ` Dr. David Alan Gilbert 2015-03-25 20:43 ` Andrey Korolyov 2015-03-25 20:43 ` [Qemu-devel] " Andrey Korolyov 2015-03-25 20:46 ` Andrey Korolyov 2015-03-25 20:46 ` [Qemu-devel] " Andrey Korolyov 2015-03-25 20:54 ` Kevin O'Connor 2015-03-25 20:54 ` Kevin O'Connor 2015-03-25 22:31 ` Andrey Korolyov 2015-03-25 22:31 ` Andrey Korolyov 2015-03-25 23:02 ` Kevin O'Connor 2015-03-25 23:02 ` Kevin O'Connor 2015-03-25 23:35 ` Andrey Korolyov 2015-03-25 23:35 ` Andrey Korolyov 2015-03-26 0:05 ` Kevin O'Connor 2015-03-26 0:05 ` Kevin O'Connor 2015-03-26 15:58 ` Radim Krčmář 2015-03-26 15:58 ` Radim Krčmář 2015-03-26 16:36 ` Kevin O'Connor 2015-03-26 16:36 ` [Qemu-devel] " Kevin O'Connor 2015-03-26 16:48 ` Andrey Korolyov 2015-03-26 16:48 ` Andrey Korolyov 2015-03-26 17:06 ` Kevin O'Connor 2015-03-26 17:06 ` Kevin O'Connor 2015-03-26 17:08 ` Andrey Korolyov 2015-03-26 17:08 ` Andrey Korolyov 2015-03-26 17:18 ` Kevin O'Connor [this message] 2015-03-26 17:18 ` Kevin O'Connor 2015-03-26 17:33 ` Andrey Korolyov 2015-03-26 17:33 ` Andrey Korolyov 2015-03-26 17:40 ` Radim Krčmář 2015-03-26 17:40 ` Radim Krčmář 2015-03-26 18:24 ` Andrey Korolyov 2015-03-26 18:24 ` Andrey Korolyov 2015-03-26 20:40 ` Radim Krčmář 2015-03-26 20:40 ` Radim Krčmář 2015-03-26 21:03 ` Bandan Das 2015-03-26 21:03 ` Bandan Das 2015-03-27 10:16 ` Andrey Korolyov 2015-03-27 10:16 ` Andrey Korolyov 2015-03-30 18:56 ` Radim Krčmář 2015-03-30 18:56 ` [Qemu-devel] " Radim Krčmář 2015-03-30 19:32 ` Andrey Korolyov 2015-03-30 19:32 ` Andrey Korolyov 2015-03-31 13:45 ` Radim Krčmář 2015-03-31 13:45 ` [Qemu-devel] " Radim Krčmář 2015-03-31 14:56 ` Andrey Korolyov 2015-03-31 14:56 ` Andrey Korolyov 2015-03-31 16:45 ` Radim Krčmář 2015-03-31 16:45 ` [Qemu-devel] " Radim Krčmář 2015-03-31 17:40 ` Andrey Korolyov 2015-03-31 17:40 ` Andrey Korolyov 2015-03-31 18:01 ` Bandan Das 2015-03-31 18:01 ` Bandan Das 2015-03-31 18:04 ` Bandan Das 2015-03-31 18:04 ` [Qemu-devel] " Bandan Das 2015-03-31 18:23 ` Andrey Korolyov 2015-03-31 18:23 ` Andrey Korolyov 2015-04-01 11:49 ` Radim Krčmář 2015-04-01 11:49 ` Radim Krčmář 2015-04-01 12:05 ` Paolo Bonzini 2015-04-01 12:05 ` Paolo Bonzini 2015-04-01 12:26 ` Andrey Korolyov 2015-04-01 12:26 ` Andrey Korolyov 2015-04-01 13:19 ` Paolo Bonzini 2015-04-01 13:19 ` Paolo Bonzini 2015-04-01 15:37 ` Andrey Korolyov 2015-04-01 15:37 ` Andrey Korolyov 2015-04-01 16:29 ` Andrey Korolyov 2015-04-01 16:29 ` Andrey Korolyov 2015-04-01 22:58 ` Andrey Korolyov 2015-04-01 22:58 ` Andrey Korolyov 2015-04-05 14:12 ` Andrey Korolyov 2015-04-05 14:12 ` [Qemu-devel] " Andrey Korolyov 2015-03-27 11:54 ` Andrey Korolyov 2015-03-27 11:54 ` Andrey Korolyov 2015-03-30 19:28 ` Radim Krčmář 2015-03-30 19:28 ` Radim Krčmář 2015-03-26 17:35 ` Radim Krčmář 2015-03-26 17:35 ` Radim Krčmář 2015-03-26 17:34 ` Radim Krčmář 2015-03-26 17:34 ` Radim Krčmář 2015-03-26 2:47 ` Bandan Das 2015-03-26 2:47 ` Bandan Das 2015-03-26 9:18 ` Andrey Korolyov 2015-03-26 9:18 ` Andrey Korolyov 2015-03-26 15:05 ` Andrey Korolyov 2015-03-26 15:05 ` Andrey Korolyov 2015-03-11 17:09 ` Bandan Das 2015-03-11 17:09 ` Bandan Das 2015-03-11 17:32 ` Kevin O'Connor 2015-03-11 17:32 ` Kevin O'Connor 2015-03-11 18:01 ` Bandan Das 2015-03-11 18:01 ` Bandan Das
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