xen-devel.lists.xenproject.org archive mirror
 help / color / mirror / Atom feed
* daemon to monitor 'xm dmesg'
@ 2009-12-15  9:29 James Harper
  2009-12-15 10:06 ` Keir Fraser
  0 siblings, 1 reply; 5+ messages in thread
From: James Harper @ 2009-12-15  9:29 UTC (permalink / raw)
  To: xen-devel

Is there a way to put xen's logs into a file in dom0? Eg
/var/log/xen/hypervisor.log or something like that?

I just did an 'xm dmesg' and saw this:

(XEN) p2m_pod_demand_populate: Out of populate-on-demand memory!
(XEN) domain_crash called from p2m.c:1079
(XEN) Domain 72 (vcpu#0) crashed on cpu#1:
(XEN) ----[ Xen-3.4.2  x86_64  debug=n  Not tainted ]----
(XEN) CPU:    1
(XEN) RIP:    001b:[<0000000071078f3a>]
(XEN) RFLAGS: 0000000000010246   CONTEXT: hvm guest
(XEN) rax: 000000000566300c   rbx: 00000000003cb628   rcx:
0000000000000000
(XEN) rdx: 0000000005660147   rsi: 0000000005660148   rdi:
000000000566300c
(XEN) rbp: 000000000099e94c   rsp: 000000000099e93c   r8:
0000000000000000
(XEN) r9:  0000000000000000   r10: 0000000000000000   r11:
0000000000000000
(XEN) r12: 0000000000000000   r13: 0000000000000000   r14:
0000000000000000
(XEN) r15: 0000000000000000   cr0: 0000000080010031   cr4:
00000000000006b9
(XEN) cr3: 000000001fd9a360   cr2: 000000000eff8000
(XEN) ds: 0023   es: 0023   fs: 003b   gs: 0000   ss: 0023   cs: 001b

But I'm not sure exactly when it happened, other than it happened to
domain 72 whenever that was created.

Thanks

James

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: daemon to monitor 'xm dmesg'
  2009-12-15  9:29 daemon to monitor 'xm dmesg' James Harper
@ 2009-12-15 10:06 ` Keir Fraser
  2009-12-15 10:25   ` Tom Rotenberg
  0 siblings, 1 reply; 5+ messages in thread
From: Keir Fraser @ 2009-12-15 10:06 UTC (permalink / raw)
  To: James Harper, xen-devel@lists.xensource.com

Start xenconsoled with option --log=hv

 -- Keir

On 15/12/2009 09:29, "James Harper" <james.harper@bendigoit.com.au> wrote:

> Is there a way to put xen's logs into a file in dom0? Eg
> /var/log/xen/hypervisor.log or something like that?
> 
> I just did an 'xm dmesg' and saw this:
> 
> (XEN) p2m_pod_demand_populate: Out of populate-on-demand memory!
> (XEN) domain_crash called from p2m.c:1079
> (XEN) Domain 72 (vcpu#0) crashed on cpu#1:
> (XEN) ----[ Xen-3.4.2  x86_64  debug=n  Not tainted ]----
> (XEN) CPU:    1
> (XEN) RIP:    001b:[<0000000071078f3a>]
> (XEN) RFLAGS: 0000000000010246   CONTEXT: hvm guest
> (XEN) rax: 000000000566300c   rbx: 00000000003cb628   rcx:
> 0000000000000000
> (XEN) rdx: 0000000005660147   rsi: 0000000005660148   rdi:
> 000000000566300c
> (XEN) rbp: 000000000099e94c   rsp: 000000000099e93c   r8:
> 0000000000000000
> (XEN) r9:  0000000000000000   r10: 0000000000000000   r11:
> 0000000000000000
> (XEN) r12: 0000000000000000   r13: 0000000000000000   r14:
> 0000000000000000
> (XEN) r15: 0000000000000000   cr0: 0000000080010031   cr4:
> 00000000000006b9
> (XEN) cr3: 000000001fd9a360   cr2: 000000000eff8000
> (XEN) ds: 0023   es: 0023   fs: 003b   gs: 0000   ss: 0023   cs: 001b
> 
> But I'm not sure exactly when it happened, other than it happened to
> domain 72 whenever that was created.
> 
> Thanks
> 
> James
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: daemon to monitor 'xm dmesg'
  2009-12-15 10:06 ` Keir Fraser
@ 2009-12-15 10:25   ` Tom Rotenberg
  2009-12-15 10:30     ` Keir Fraser
  0 siblings, 1 reply; 5+ messages in thread
From: Tom Rotenberg @ 2009-12-15 10:25 UTC (permalink / raw)
  To: Keir Fraser; +Cc: James Harper, xen-devel@lists.xensource.com

And then to where will the log be directed to? where will it be
located on the HD?

On Tue, Dec 15, 2009 at 12:06 PM, Keir Fraser <keir.fraser@eu.citrix.com> wrote:
> Start xenconsoled with option --log=hv
>
>  -- Keir
>
> On 15/12/2009 09:29, "James Harper" <james.harper@bendigoit.com.au> wrote:
>
>> Is there a way to put xen's logs into a file in dom0? Eg
>> /var/log/xen/hypervisor.log or something like that?
>>
>> I just did an 'xm dmesg' and saw this:
>>
>> (XEN) p2m_pod_demand_populate: Out of populate-on-demand memory!
>> (XEN) domain_crash called from p2m.c:1079
>> (XEN) Domain 72 (vcpu#0) crashed on cpu#1:
>> (XEN) ----[ Xen-3.4.2  x86_64  debug=n  Not tainted ]----
>> (XEN) CPU:    1
>> (XEN) RIP:    001b:[<0000000071078f3a>]
>> (XEN) RFLAGS: 0000000000010246   CONTEXT: hvm guest
>> (XEN) rax: 000000000566300c   rbx: 00000000003cb628   rcx:
>> 0000000000000000
>> (XEN) rdx: 0000000005660147   rsi: 0000000005660148   rdi:
>> 000000000566300c
>> (XEN) rbp: 000000000099e94c   rsp: 000000000099e93c   r8:
>> 0000000000000000
>> (XEN) r9:  0000000000000000   r10: 0000000000000000   r11:
>> 0000000000000000
>> (XEN) r12: 0000000000000000   r13: 0000000000000000   r14:
>> 0000000000000000
>> (XEN) r15: 0000000000000000   cr0: 0000000080010031   cr4:
>> 00000000000006b9
>> (XEN) cr3: 000000001fd9a360   cr2: 000000000eff8000
>> (XEN) ds: 0023   es: 0023   fs: 003b   gs: 0000   ss: 0023   cs: 001b
>>
>> But I'm not sure exactly when it happened, other than it happened to
>> domain 72 whenever that was created.
>>
>> Thanks
>>
>> James
>>
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xensource.com
>> http://lists.xensource.com/xen-devel
>
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
>

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: daemon to monitor 'xm dmesg'
  2009-12-15 10:25   ` Tom Rotenberg
@ 2009-12-15 10:30     ` Keir Fraser
  2010-02-23 23:43       ` Keith Coleman
  0 siblings, 1 reply; 5+ messages in thread
From: Keir Fraser @ 2009-12-15 10:30 UTC (permalink / raw)
  To: Tom Rotenberg; +Cc: James Harper, xen-devel@lists.xensource.com

<log_dir>/hypervisor.log where <log_dir> defaults to /var/log/xen/console
but can be overridden with command-line option --log-dir=

 -- Keir

On 15/12/2009 10:25, "Tom Rotenberg" <tom.rotenberg@gmail.com> wrote:

> And then to where will the log be directed to? where will it be
> located on the HD?
> 
> On Tue, Dec 15, 2009 at 12:06 PM, Keir Fraser <keir.fraser@eu.citrix.com>
> wrote:
>> Start xenconsoled with option --log=hv
>> 
>>  -- Keir
>> 
>> On 15/12/2009 09:29, "James Harper" <james.harper@bendigoit.com.au> wrote:
>> 
>>> Is there a way to put xen's logs into a file in dom0? Eg
>>> /var/log/xen/hypervisor.log or something like that?
>>> 
>>> I just did an 'xm dmesg' and saw this:
>>> 
>>> (XEN) p2m_pod_demand_populate: Out of populate-on-demand memory!
>>> (XEN) domain_crash called from p2m.c:1079
>>> (XEN) Domain 72 (vcpu#0) crashed on cpu#1:
>>> (XEN) ----[ Xen-3.4.2  x86_64  debug=n  Not tainted ]----
>>> (XEN) CPU:    1
>>> (XEN) RIP:    001b:[<0000000071078f3a>]
>>> (XEN) RFLAGS: 0000000000010246   CONTEXT: hvm guest
>>> (XEN) rax: 000000000566300c   rbx: 00000000003cb628   rcx:
>>> 0000000000000000
>>> (XEN) rdx: 0000000005660147   rsi: 0000000005660148   rdi:
>>> 000000000566300c
>>> (XEN) rbp: 000000000099e94c   rsp: 000000000099e93c   r8:
>>> 0000000000000000
>>> (XEN) r9:  0000000000000000   r10: 0000000000000000   r11:
>>> 0000000000000000
>>> (XEN) r12: 0000000000000000   r13: 0000000000000000   r14:
>>> 0000000000000000
>>> (XEN) r15: 0000000000000000   cr0: 0000000080010031   cr4:
>>> 00000000000006b9
>>> (XEN) cr3: 000000001fd9a360   cr2: 000000000eff8000
>>> (XEN) ds: 0023   es: 0023   fs: 003b   gs: 0000   ss: 0023   cs: 001b
>>> 
>>> But I'm not sure exactly when it happened, other than it happened to
>>> domain 72 whenever that was created.
>>> 
>>> Thanks
>>> 
>>> James
>>> 
>>> 
>>> _______________________________________________
>>> Xen-devel mailing list
>>> Xen-devel@lists.xensource.com
>>> http://lists.xensource.com/xen-devel
>> 
>> 
>> 
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xensource.com
>> http://lists.xensource.com/xen-devel
>> 

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: daemon to monitor 'xm dmesg'
  2009-12-15 10:30     ` Keir Fraser
@ 2010-02-23 23:43       ` Keith Coleman
  0 siblings, 0 replies; 5+ messages in thread
From: Keith Coleman @ 2010-02-23 23:43 UTC (permalink / raw)
  To: xen-devel@lists.xensource.com; +Cc: Tom Rotenberg, James Harper, Keir Fraser

On Tue, Dec 15, 2009 at 5:30 AM, Keir Fraser <keir.fraser@eu.citrix.com> wrote:
> <log_dir>/hypervisor.log where <log_dir> defaults to /var/log/xen/console
> but can be overridden with command-line option --log-dir=
>
>  -- Keir
>
> On 15/12/2009 10:25, "Tom Rotenberg" <tom.rotenberg@gmail.com> wrote:
>
>> And then to where will the log be directed to? where will it be
>> located on the HD?
>>
>> On Tue, Dec 15, 2009 at 12:06 PM, Keir Fraser <keir.fraser@eu.citrix.com>
>> wrote:
>>> Start xenconsoled with option --log=hv
>>>
>>>  -- Keir
>>>
>>> On 15/12/2009 09:29, "James Harper" <james.harper@bendigoit.com.au> wrote:
>>>
>>>> Is there a way to put xen's logs into a file in dom0? Eg
>>>> /var/log/xen/hypervisor.log or something like that?
>>>>

Has anyone else noticed repeat messages in the log file after enabling
hypervisor logging? It seems like whenever a few messages are logged
to 'xm dmesg' the entire contents of 'xm dmesg' are appended to
hypervisor.log.


Keith Coleman

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2010-02-23 23:43 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2009-12-15  9:29 daemon to monitor 'xm dmesg' James Harper
2009-12-15 10:06 ` Keir Fraser
2009-12-15 10:25   ` Tom Rotenberg
2009-12-15 10:30     ` Keir Fraser
2010-02-23 23:43       ` Keith Coleman

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).