Re: [Xen-devel] Xen-4.1-unstable hypervisor booting error

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Mon, Sep 27, 2010 at 12:46:46PM +0200, Michal Novotny wrote:
> Thanks a lot Boris, adding dom0_mem setting to 1G (1024M respectively)  
> made it working fine so I guess there's a wrong default setting for  
> dom0_mem, at least for x86_64 architecture.
>

Hmm.. do I remember correctly this was an issue that's already fixed,
but the fix is not yet in xen/stable-2.6.32.x tree? 

Jeremy probably remembers..

-- Pasi

> Thanks again Boris!
> Michal
>
> On 09/27/2010 11:05 AM, Boris Derzhavets wrote:
>> Could you try:-
>>
>> /boot/xen.gz  dom0_mem=1024M
>> . . . . . . . . . . .
>>
>> Boris.
>> P.S. I had the same issue.
>>
>>
>> --- On *Mon, 9/27/10, Michal Novotny /<minovotn@xxxxxxxxxx>/* wrote:
>>
>>
>>     From: Michal Novotny <minovotn@xxxxxxxxxx>
>>     Subject: [Xen-devel] Xen-4.1-unstable hypervisor booting error
>>     To: "'xen-devel@xxxxxxxxxxxxxxxxxxx'" <xen-devel@xxxxxxxxxxxxxxxxxxx>
>>     Date: Monday, September 27, 2010, 3:47 AM
>>
>>     Hi,
>>     I've installed latest PVops kernel 2.6.32.21 (upgraded from
>>     2.6.32.15 using the very same kernel build configuration - i.e.
>>     copied the config-2.6.32.15 file to the kernel source directory)
>>     and I can boot without hypervisor (using the standard
>>     kernel/initrd directives in grub) but not with the hypervisor
>>     since it fails.
>>
>>     Call trace is:
>>     [ <ffffffff8100faf2> ] ? check_events+0x12/0x20
>>     [ <ffffffff8108f94f> ] ? lock_acquire+0xe3/0xf2
>>     [ <ffffffff812cd2f3> ] ? balloon_process+0x0/0x555
>>     [ <ffffffff8107793f> ] worker_thread+0x1b2/0x2b1
>>     [ <ffffffff810778e6> ] ? worker_thread+0x159/0x2b1
>>     [ <ffffffff8107bf13> ] ? autoremove_wake_function+0x0/0x3d
>>     [ <ffffffff8107778d> ] ? worker_thread+0x0/0x2b1
>>     [ <ffffffff8107bcc1> ] kthread+0x6e/0x76
>>     [ <ffffffff81013eea> ] child_rip+0xa/0x20
>>     [ <ffffffff81013850> ] ? restore_args+0x0/0x30
>>     [ <ffffffff8107bdb6> ] ? kthreadd+x0ed/0x10f
>>     [ <ffffffff8100fadf> ] ? xen_restore_fl_direct_end+0x0/0x1
>>     [ <ffffffff81013ee0> ] ? child_rip+0x0/0x20
>>
>>     Code: 49 c1 fd 03 4c 8b 34 d5 e0 a6 61 82 4c 0f af e8 80 3d 3b 65
>>     5a 00 00 75 0d 4c 89 ef e8 32 fa d3 ff 48 ff c0 75 05 45 31 ff eb
>>     5a <0f> 0b eb fe 4c 89 f6 48 89 df e8 4b 03 d4 ff 48 3b 1d 97 f7 1c
>>
>>     RIP [ <ffffffff812cd49b> ] balloon_process+0x1a8/0x555
>>     RSP [ <ffff8801e9435d50> ]
>>     --- [ end trace e93713a9d40cd06c ] ---
>>     events/0 used greatest stack depth: 4664 bytes left
>>
>>     And the host is stuck and can't boot.
>>
>>     Was it OK to use the config from 2.6.32.15 for 2.6.32.21 build or
>>     any pointers what may be going on? The kernel/system is x86_64
>>     system running on RHEL-5 with the PVops kernel now but as I said,
>>     it can't boot with the hypervisor but everything is fine (except
>>     Xen) when booting without the hypervisor.
>>
>>     Thanks,
>>     Michal
>>
>>     -- Michal Novotny<minovotn@xxxxxxxxxx
>>     </mc/compose?to=minovotn@xxxxxxxxxx>>, RHCE
>>     Virtualization Team (xen userspace), Red Hat
>>
>>
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>>
>>
>
>
> -- 
> Michal Novotny<minovotn@xxxxxxxxxx>, RHCE
> Virtualization Team (xen userspace), Red Hat
>
>
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