From: David Vrabel <david.vrabel@citrix.com>
To: David Vrabel <david.vrabel@citrix.com>
Cc: "Xu, Jiajun" <jiajun.xu@intel.com>,
"Xu, YongweiX" <yongweix.xu@intel.com>,
Keir Fraser <keir@xen.org>, Jan Beulich <jbeulich@suse.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: [PATCHv9 0/9] Xen: extend kexec hypercall for use with pv-ops kernels
Date: Mon, 21 Oct 2013 13:26:56 +0100 [thread overview]
Message-ID: <52651D90.1090502@citrix.com> (raw)
In-Reply-To: <52650014.9020001@citrix.com>
On 21/10/13 11:21, David Vrabel wrote:
> On 21/10/13 04:11, Xu, YongweiX wrote:
>> Hi, David
>> I have tried to use kexec with upstream xen source(C/S:27758) which has been put your patches and didn't not work on Dom0. Step as below:
>> 1. use upstream xen and tools with your patch
>> 2. use kexec-tools with branch "remotes/origin/xen-v6"
>> 3. kexec -l -t multiboot-x86 /boot/xen.gz --module="/boot/vmlinuz-xen root=/dev/sda1 o" --module="/boot/initrd-xen.img"
>
> kexec segfaults for me here because of a missing command line for Xen.
> Specifying one with --command-line="console=com1 etc" will work around this.
>
>> 4. kexec -e
>> The phenomenon was that the kernel didn't change, but the network broke.
>>
>> Is there any problem in my operation?
>
> Yes, you're trying something that is not supported -- see the comment at
> the top of kexec/arch/i386/kexec-multiboot-x86.c. Only ELF32 images are
> supported.
Huh. It does sort of work. There's a 3 minute or so delay between
starting purgatory and Xen starting.
I don't have time to look into this use case (kexec'ing into Xen) so if
you care you'll have to do some digging yourself.
David
prev parent reply other threads:[~2013-10-21 12:26 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-08 16:55 [PATCHv9 0/9] Xen: extend kexec hypercall for use with pv-ops kernels David Vrabel
2013-10-08 16:55 ` [PATCH 1/9] x86: give FIX_EFI_MPF its own fixmap entry David Vrabel
2013-10-08 16:55 ` [PATCH 2/9] kexec: add public interface for improved load/unload sub-ops David Vrabel
2013-10-08 16:55 ` [PATCH 3/9] kexec: add infrastructure for handling kexec images David Vrabel
2013-11-05 22:39 ` Don Slutz
2013-11-06 8:12 ` Jan Beulich
2013-10-08 16:55 ` [PATCH 4/9] kexec: extend hypercall with improved load/unload ops David Vrabel
2013-11-05 22:43 ` Don Slutz
2013-10-08 16:55 ` [PATCH 5/9] xen: kexec crash image when dom0 crashes David Vrabel
2013-10-08 16:55 ` [PATCH 6/9] libxc: add hypercall buffer arrays David Vrabel
2013-10-08 16:55 ` [PATCH 7/9] libxc: add API for kexec hypercall David Vrabel
2013-10-08 16:55 ` [PATCH 8/9] x86: check kexec relocation code fits in a page David Vrabel
2013-10-08 16:55 ` [PATCH 9/9] MAINTAINERS: Add KEXEC maintainer David Vrabel
2013-10-08 17:03 ` [PATCHv9 0/9] Xen: extend kexec hypercall for use with pv-ops kernels Andrew Cooper
2013-10-09 15:26 ` Daniel Kiper
2013-10-09 15:52 ` Andrew Cooper
2013-10-09 16:03 ` David Vrabel
2013-10-10 15:45 ` Daniel Kiper
2013-10-10 16:35 ` David Vrabel
2013-10-10 21:24 ` Daniel Kiper
2013-10-11 6:49 ` Jan Beulich
2013-10-11 8:58 ` Daniel Kiper
2013-10-11 9:56 ` David Vrabel
2013-10-11 11:15 ` Daniel Kiper
2013-10-11 14:06 ` David Vrabel
2013-10-14 13:53 ` Daniel Kiper
2013-10-14 14:14 ` David Vrabel
2013-10-14 18:13 ` Daniel Kiper
2013-10-16 21:09 ` Daniel Kiper
2013-11-14 11:20 ` Daniel Kiper
2013-11-14 11:27 ` David Vrabel
2013-10-18 18:40 ` Daniel Kiper
2013-10-18 23:14 ` David Vrabel
2013-10-21 12:19 ` Daniel Kiper
2013-10-21 12:56 ` David Vrabel
2013-10-21 20:20 ` Daniel Kiper
2013-10-25 9:13 ` Daniel Kiper
2013-10-25 23:04 ` David Vrabel
2013-10-30 16:57 ` David Vrabel
2013-10-31 16:59 ` Don Slutz
2013-10-31 18:30 ` David Vrabel
2013-10-31 20:23 ` Don Slutz
2013-10-31 22:21 ` Daniel Kiper
2013-11-05 17:41 ` Daniel Kiper
2013-11-05 18:01 ` David Vrabel
2013-10-18 23:42 ` Andrew Cooper
2013-10-21 3:11 ` Xu, YongweiX
2013-10-21 10:21 ` David Vrabel
2013-10-21 12:26 ` David Vrabel [this message]
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