Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Petr Tesarik
On Wed, 12 Nov 2014 21:30:20 +0100 Laszlo Ersek wrote: > adding back a few CC's because this discussion is useful > > On 11/12/14 19:43, Petr Tesarik wrote: > > V Wed, 12 Nov 2014 15:50:32 +0100 > > Laszlo Ersek napsáno: > > > >> On 11/12/14 09:04, Petr Tesarik wrote: > >>> On Wed, 12 Nov 2014

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Petr Tesarik
On Wed, 12 Nov 2014 10:43:59 -0500 Christopher Covington wrote: > On 11/12/2014 10:03 AM, Laszlo Ersek wrote: > > On 11/12/14 15:48, Christopher Covington wrote: > >> Thanks Petr and Laszlo for entertaining my questions. I've got one last > >> one if > >> you have the time. > >> > >> On 11/12/20

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Dave Anderson
- Original Message - > adding back a few CC's because this discussion is useful > > On 11/12/14 19:43, Petr Tesarik wrote: > > V Wed, 12 Nov 2014 15:50:32 +0100 > > Laszlo Ersek napsáno: > > > >> On 11/12/14 09:04, Petr Tesarik wrote: > >>> On Wed, 12 Nov 2014 12:08:38 +0900 (JST) > >>

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Laszlo Ersek
adding back a few CC's because this discussion is useful On 11/12/14 19:43, Petr Tesarik wrote: > V Wed, 12 Nov 2014 15:50:32 +0100 > Laszlo Ersek napsáno: > >> On 11/12/14 09:04, Petr Tesarik wrote: >>> On Wed, 12 Nov 2014 12:08:38 +0900 (JST) >>> HATAYAMA Daisuke wrote: >> Anyway, phys_b

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Christopher Covington
On 11/12/2014 10:03 AM, Laszlo Ersek wrote: > On 11/12/14 15:48, Christopher Covington wrote: >> Thanks Petr and Laszlo for entertaining my questions. I've got one last one >> if >> you have the time. >> >> On 11/12/2014 09:10 AM, Laszlo Ersek wrote: >>> On 11/12/14 14:26, Petr Tesarik wrote:

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Laszlo Ersek
On 11/12/14 15:48, Christopher Covington wrote: > Thanks Petr and Laszlo for entertaining my questions. I've got one last one if > you have the time. > > On 11/12/2014 09:10 AM, Laszlo Ersek wrote: >> On 11/12/14 14:26, Petr Tesarik wrote: >>> On Wed, 12 Nov 2014 08:18:04 -0500 >>> Christopher Cov

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Christopher Covington
Thanks Petr and Laszlo for entertaining my questions. I've got one last one if you have the time. On 11/12/2014 09:10 AM, Laszlo Ersek wrote: > On 11/12/14 14:26, Petr Tesarik wrote: >> On Wed, 12 Nov 2014 08:18:04 -0500 >> Christopher Covington wrote: >> >>> On 11/12/2014 03:05 AM, Petr Tesarik

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Laszlo Ersek
On 11/12/14 14:28, Christopher Covington wrote: > On 11/12/2014 08:26 AM, Petr Tesarik wrote: >> On Wed, 12 Nov 2014 08:18:04 -0500 >> Christopher Covington wrote: >> >>> On 11/12/2014 03:05 AM, Petr Tesarik wrote: On Tue, 11 Nov 2014 12:27:44 -0500 Christopher Covington wrote: >>>

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Laszlo Ersek
On 11/11/14 18:27, Christopher Covington wrote: > On 11/11/2014 06:22 AM, Laszlo Ersek wrote: >> (Note: I'm not subscribed to either qemu-devel or the kexec list; please >> keep me CC'd.) >> >> QEMU is able to dump the guest's memory in KDUMP format (kdump-zlib, >> kdump-lzo, kdump-snappy) with the

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Petr Tesarik
V Wed, 12 Nov 2014 08:28:54 -0500 Christopher Covington napsáno: > On 11/12/2014 08:26 AM, Petr Tesarik wrote: > > On Wed, 12 Nov 2014 08:18:04 -0500 > > Christopher Covington wrote: > > > >> On 11/12/2014 03:05 AM, Petr Tesarik wrote: > >>> On Tue, 11 Nov 2014 12:27:44 -0500 > >>> Christopher

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Laszlo Ersek
On 11/12/14 14:26, Petr Tesarik wrote: > On Wed, 12 Nov 2014 08:18:04 -0500 > Christopher Covington wrote: > >> On 11/12/2014 03:05 AM, Petr Tesarik wrote: >>> On Tue, 11 Nov 2014 12:27:44 -0500 >>> Christopher Covington wrote: >>> On 11/11/2014 06:22 AM, Laszlo Ersek wrote: > (Note: I'

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Petr Tesarik
On Tue, 11 Nov 2014 12:27:44 -0500 Christopher Covington wrote: > On 11/11/2014 06:22 AM, Laszlo Ersek wrote: > > (Note: I'm not subscribed to either qemu-devel or the kexec list; please > > keep me CC'd.) > > > > QEMU is able to dump the guest's memory in KDUMP format (kdump-zlib, > > kdump-lzo

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Petr Tesarik
On Wed, 12 Nov 2014 08:18:04 -0500 Christopher Covington wrote: > On 11/12/2014 03:05 AM, Petr Tesarik wrote: > > On Tue, 11 Nov 2014 12:27:44 -0500 > > Christopher Covington wrote: > > > >> On 11/11/2014 06:22 AM, Laszlo Ersek wrote: > >>> (Note: I'm not subscribed to either qemu-devel or the

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Christopher Covington
On 11/12/2014 08:26 AM, Petr Tesarik wrote: > On Wed, 12 Nov 2014 08:18:04 -0500 > Christopher Covington wrote: > >> On 11/12/2014 03:05 AM, Petr Tesarik wrote: >>> On Tue, 11 Nov 2014 12:27:44 -0500 >>> Christopher Covington wrote: >>> On 11/11/2014 06:22 AM, Laszlo Ersek wrote: > (Not

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-12 Thread Christopher Covington
On 11/12/2014 03:05 AM, Petr Tesarik wrote: > On Tue, 11 Nov 2014 12:27:44 -0500 > Christopher Covington wrote: > >> On 11/11/2014 06:22 AM, Laszlo Ersek wrote: >>> (Note: I'm not subscribed to either qemu-devel or the kexec list; please >>> keep me CC'd.) >>> >>> QEMU is able to dump the guest's

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-11 Thread Christopher Covington
On 11/11/2014 06:22 AM, Laszlo Ersek wrote: > (Note: I'm not subscribed to either qemu-devel or the kexec list; please > keep me CC'd.) > > QEMU is able to dump the guest's memory in KDUMP format (kdump-zlib, > kdump-lzo, kdump-snappy) with the "dump-guest-memory" QMP command. > > The resultant v

Re: [Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-11 Thread Peter Maydell
On 11 November 2014 11:22, Laszlo Ersek wrote: > For this reason, the kdump preparation logic in QEMU hardcodes a number > of fields in the kdump header. The direct issue is the "phys_base" > field. Refer to dump.c, functions create_header32(), create_header64(), > and "include/sysemu/dump.h", mac

[Qemu-devel] uniquely identifying KDUMP files that originate from QEMU

2014-11-11 Thread Laszlo Ersek
(Note: I'm not subscribed to either qemu-devel or the kexec list; please keep me CC'd.) QEMU is able to dump the guest's memory in KDUMP format (kdump-zlib, kdump-lzo, kdump-snappy) with the "dump-guest-memory" QMP command. The resultant vmcore is usually analyzed with the "crash" utility. The o