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rx7620 spurrious reboot

 
Annelise Wilken
Regular Advisor

rx7620 spurrious reboot

Hello,

we have an itanium rx7620 server that rebooted for no apparent reason. I've looked in the /etc/shutdownlog and see the following:

Reboot after panic: post_hndlr(): Unresolved kernel interruption

there aren't any message in /var/adm/syslog/OLDsyslog.log, however a crash dump was generated. I've looked in the INDEX file of the crash dump and I see the following:


version 2
hostname my-7620
modelname ia64 hp server rx7620
panic post_hndlr(): Unresolved kernel interruption

dumptime 1132753083 Wed Nov 23 13:38:03 GMT 2005
savetime 1132753331 Wed Nov 23 13:42:11 GMT 2005
release @(#) $Revision: vmunix: B11.23_LR FLAVOR=perf Fri Aug 29 22:35:38 P
DT 2003 $
memsize 8572387328
chunksize 268435456
defcompchunk 0x0000000000000000

virtual to physical information for IA64
registers 0x8ec8990
vhpt 0xe000000140000000 2097152
itr 0x8ef5960 63
dtr 0x9354000 72


and various image lists ....

No tombstones have been generated.

The server is up now, however I need to find out what caused the reboot - has anyone seen this before, or can anyone advise where else to look?

Thanks.
6 REPLIES 6
Ivan Ferreira
Honored Contributor

Re: rx7620 spurrious reboot

Connect to the service processor and verify that all hardware is working. Sometimes a bad fan can cause the system to crash because of a temperature overhead.
Por que hacerlo dificil si es posible hacerlo facil? - Why do it the hard way, when you can do it the easy way?
Highlighted
kris rombauts
Honored Contributor

Re: rx7620 spurrious reboot

Hi Annelise,

in order to determine if their is a H/W or a S/W related problem that could be the cause of the crash here, it's best that you collect the hardware logs from the system and open a call with HP and let them analyse.
If their is nothing apparent in the H/W logs (SEL , FPL) then the focus can be put on the OS side of things.

HTH

Kris
Annelise Wilken
Regular Advisor

Re: rx7620 spurrious reboot

Thanks for the response - I did raise a support call with HP and they are investigating it, I was just wondering if anyone else had seen this problem.
Chris House
Frequent Advisor

Re: rx7620 spurrious reboot

We are having the same issue but with an rx4640. What was the result of HP's investigation in to your issue?

/var/adm/crash/crash.0/INDEX
comment savecrash crash dump INDEX file
version 2
hostname snickers
modelname ia64 hp server rx4640
panic post_hndlr(): Unresolved kernel interruption

dumptime 1145304404 Mon Apr 17 16:06:44 EDT 2006
savetime 1145304769 Mon Apr 17 16:12:49 EDT 2006
release @(#) $Revision: vmunix: B11.23_LR FLAVOR=perf Fri Aug 29 22:35:38 PDT 2003 $
memsize 8575311872
chunksize 268435456
defcompchunk 0x0000000000000000

virtual to physical information for IA64
registers 0x8b742d0
vhpt 0xe000000140000000 2097152
itr 0x8b96960 63
dtr 0x91d1580 72


/etc/shutdownlog:
16:15 Mon Apr 17 2006. Reboot after panic: post_hndlr(): Unresolved kernel interruption

Annelise Wilken
Regular Advisor

Re: rx7620 spurrious reboot

We had to install a patch that HP advised - it was an "unofficial" patch - I believe that they are producing an official version of this patch to be released August 2006 (that patch will be PHNE_33724)

I'd advise you to raise a call with HP about this,

Thanks,
Chris House
Frequent Advisor

Re: rx7620 spurrious reboot

Just an update for future visitors of this thread - we opened a call with HP software support and they analyzed our crashdump and other q4-processed files and let us know that CPU #2 was bad. We got it replaced and it's been running fine since.