A stuck system
Randall Stewart
rrs at cisco.com
Wed Dec 20 08:15:15 PST 2006
Interesting.. I have actually been having
this problem for a while... can't remember
when I last updated.. its related to pounding
the network.. at least mine seems to be... (I
am pounding the loopback).. and it appears
that everything just "freezes".
Is your machine a Gig-a-Byte motherboard?
R
Andre Guibert de Bruet wrote:
>
>
> On Dec 20, 2006, at 8:49 AM, Randall Stewart wrote:
>
>> Ok, I was wrong on this... I recreated it.. hooked up
>> my em0 card to my laptop (right now its isolated
>> running the mpi tests and uses the loopback only).
>>
>> I do a ping
>>
>> And ta-da the system comes back to life after
>> being hung for 15 minutes.
>>
>> This time I did not see any of the usual syslog messages
>> either... of course it was only "stuck" for 15 minutes or
>> so...
>>
>> I will leave the thing running and get it stuck again and
>> validate that the msk and usb will also cause the machine
>> to come back to life..
>>
>> Is there any way this could be a lost interupt type problem (remember
>> the scheduler is appearing to "stop" scheduling things). OR
>> is this a problem with my hardware... somehow failing to
>> deliver interupts maybe???
>
>
> I am seeing something similar on my dual Xeon system. It appears that a
> kernel from December 13th did not exhibit this behavior whereas one
> from the 16th does. I am able to "revive" the machine by pushing traf
> on the msk0 interface.
>
> Kernel config: http://bling.properkernel.com/freebsd/BLING
>
> Andy
>
> /* Andre Guibert de Bruet * 6f43 6564 7020 656f 2e74 4220 7469 6a20 */
> /* Code poet / Sysadmin * 636f 656b 2e79 5320 7379 6461 696d 2e6e */
> /* GSM: +1 734 846 8758 * 5520 494e 2058 6c73 7565 6874 002e 0000 */
> /* WWW: siliconlandmark.com * C/C++, Java, Perl, PHP, SQL, XHTML, XML */
>
>
> _______________________________________________
> freebsd-current at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe at freebsd.org"
>
--
Randall Stewart
NSSTG - Cisco Systems Inc.
803-345-0369 <or> 803-317-4952 (cell)
More information about the freebsd-current
mailing list