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тАО02-03-2009 03:25 AM
тАО02-03-2009 03:25 AM
Platform: Alpha DS20
LOG: See attached file please
Dear all,
We have a Alpha server which shutsdown unexpectedly. I checked both the logs and crashed data but still not sure the cause of the problem.
I feel like it's either a cpu or memory problem (or may be both) but I cannot differentiate at this point?
Any help on this issue is welcome.!
Belo you may find an abstract of log
Feb 3 11:26:46 ds20-2 vmunix:
Feb 3 11:26:46 ds20-2 vmunix: simple_lock: time limit exceeded
Feb 3 11:26:47 ds20-2 vmunix:
Feb 3 11:26:47 ds20-2 vmunix: pc of caller: 0xffffffff00526154
Feb 3 11:26:47 ds20-2 vmunix: lock address: 0xfffffc003fdaf900
Feb 3 11:26:47 ds20-2 vmunix: lock info addr: 0xfffffc0000ff3790
Feb 3 11:26:47 ds20-2 vmunix: lock class name: cam_pd_device3
Feb 3 11:26:47 ds20-2 vmunix: current lock state: 0xc400017800581455 (cpu=?,pc=0xffffffff00581454,busy)
Feb 3 11:26:47 ds20-2 vmunix:
Feb 3 11:26:47 ds20-2 vmunix: panic (cpu 0): simple_lock: time limit exceeded
Feb 3 11:26:47 ds20-2 vmunix: syncing disks... 29
Feb 3 11:26:47 ds20-2 vmunix: Memory trolling not supported, cpu Major id 8, Minor id 4
Feb 3 11:26:47 ds20-2 vmunix: Alpha boot: available memory from 0x2c7a000 to 0x3ff40000
Thanks in advance,
CET
Solved! Go to Solution.
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тАО02-03-2009 04:30 AM
тАО02-03-2009 04:30 AM
Re: Alpha DS20 shuts down unexpectedly?
http://www11.itrc.hp.com/service/patch/patchDetail.do?patchid=TCRKIT1000454-V51BB26-E-20060317&sel={tru:tru64:5.1b,}&BC=main|search|
Also, ensure to install WEBES, that will help you to analyze hardware problems and system crash.
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тАО02-03-2009 06:15 AM
тАО02-03-2009 06:15 AM
Re: Alpha DS20 shuts down unexpectedly?
But are you sure that this patch is applicable to my system because it says;
PRODUCT: HP TruCluster Server [R] V5.1B-3
TITLE: HP Tru64 UNIX - Version 5.1B-3
which don't seem to be very much the same of mine?
Regards,
CET
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тАО02-04-2009 05:19 AM
тАО02-04-2009 05:19 AM
Re: Alpha DS20 shuts down unexpectedly?
The tricky part is to determine why the lock didn't get released in the first place; there are numerous reasons, both hardware and software, why this could happen. If you have a support contract with HP, you can get the crash dump analyzed to try and determine the cause. Otherwise, about all you can do is to look for hardware problems and make sure your patches are up to date.
The patch cited above may or may not be applicable to your crash. First, it's possible that you ARE at V5.1B-3; all flavors of V5.1B report the same revision level in uname -a. You'd have to use "dupatch -track -type kit" to see which patches are installed. But since there are so many possible causes of a simple lock timeout, there is no single patch or group of patches that can prevent all of them. The patch cited corrects one specific problem that leads to this type of panic. It would require analysis of the crash dump to see if your panic has the same cause. If it does, the patch will help; but if it has a different cause, the patch won't help.
Hope this helps,
Martin
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тАО02-04-2009 05:26 AM
тАО02-04-2009 05:26 AM
SolutionMartin
A quick resolution to technical issues for your HPE products is just a click away HPE Support Center
See Self Help Post for more details
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тАО02-04-2009 06:35 AM
тАО02-04-2009 06:35 AM
Re: Alpha DS20 shuts down unexpectedly?
Just being curious; where can I find this crash dump file?
Regards,
CET
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тАО02-04-2009 06:39 AM
тАО02-04-2009 06:39 AM
Re: Alpha DS20 shuts down unexpectedly?
Martin
A quick resolution to technical issues for your HPE products is just a click away HPE Support Center
See Self Help Post for more details
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тАО05-27-2009 04:43 AM
тАО05-27-2009 04:43 AM
Re: Alpha DS20 shuts down unexpectedly?
I just stumbled across your crash-data and had a look at it.
Here is what I found:
Systeminfo:
-----------
AlphaServer DS20 500 MHz
physical memory = 1024.00 megabytes
ncpus: 2
Firmware revision: 7.2-1
Crashtime: struct {
tv_sec = 1233656593
--> Tue Feb 3 11:23:13 2009
from startup we see this:
-------------------------
FCA-2384 : Driver Rev 2.17 : F/W Rev 1.91X6(1.40A0) : wwn 1000-0000-c93b-f4a4
and can conclude with it: the system is BL26 = Patchkit 5 = v5.1B-3
last gasp message:
------------------
simple_lock: time limit exceeded
pc of caller: 0xffffffff00526154
lock address: 0xfffffc003fdaf900
lock info addr: 0xfffffc0000ff3790
lock class name: cam_pd_device3
current lock state: 0xc400017800581455 (cpu=?,pc=0xffffffff00581454,busy)
panic (cpu 0): simple_lock: time limit exceeded
the stacktrace:
---------------
1 panic
2 simple_lock_fault
3 simple_lock_time_violation
4 cdisk_bbr_comp
5 xpt_callback_thread
that is:
--------
PD lock currently held, when a BadBlockReplacement procedure wanted to
complete and needed that lock.
been there, done that :)
------------------------
There is a patch for this scenario that made it into patchkit 6. (OSFPAT02703500540)
and it made it as well already into the the latest patchkit 7.
So you might want to get either patchkit 6 or 7.
T64V51BB27AS0006-20061208.tar / T64V51BB28AS0007-20090312.tar and install that.
Beware, there are likely some ERPs that you need to install additional to the Patchkit.
regards,
--Uwe.
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тАО05-27-2009 05:15 AM
тАО05-27-2009 05:15 AM
Re: Alpha DS20 shuts down unexpectedly?
I will follow your suggestions for sure and thanks once more...
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тАО05-27-2009 05:17 AM
тАО05-27-2009 05:17 AM