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тАО07-28-2004 06:39 PM
тАО07-28-2004 06:39 PM
Unaligned kernel access
I have two Compw ES40 Servers running tru64 5.1B cluster. Oracle 9.2.0 is running on this.
Today one server rebooted with unexpectedly with the following erro:
Jul 29 11:13:38 atd1 vmunix: Unaligned kernel access va=0xfffffc00012da3dc pc=0xffffffff000b8ef8 ra=0xffffffff000bfcd0
Jul 29 11:13:38 atd1 vmunix: panic (cpu 1): Unaligned kernel space access from kernel mode
The other cluster member was intact.
It created some crash files, i can send it, if required
Can anybody give some input?
Thanks in adance
Prakash
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тАО07-28-2004 06:52 PM
тАО07-28-2004 06:52 PM
Re: Unaligned kernel access
Based on that info nobody can give any other input than "install patchkit #4". 2 cases of "Unaligned kerne; space access..." are corrected with it.
Maybe with the crash-data.y we could make some more educated guesses, but to really analyze such panic one needs the vmunix.y and vmzcore.y
__Johan__
_JB_
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тАО07-28-2004 07:33 PM
тАО07-28-2004 07:33 PM
Re: Unaligned kernel access
the "unaligned kernel access" message is too common and adresses are useless without using the same environment for debugging/analysis.
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тАО07-28-2004 07:46 PM
тАО07-28-2004 07:46 PM
Re: Unaligned kernel access
Thanks for the replies.
Patchkit 4 is already applied without any error. I am the crash-data file. Vmunix.N & vmzcore.N are too big to attach ( 29 & 75 MB)
Any update?
Kind regards
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тАО07-28-2004 07:56 PM
тАО07-28-2004 07:56 PM
Re: Unaligned kernel access
Analyzing and working on complex problems here in the forum is not possible.
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тАО07-28-2004 08:03 PM
тАО07-28-2004 08:03 PM
Re: Unaligned kernel access
Panic seems to be triggered by LAT streams code. If you do not use LAT, you should set LAT_SETUP=0 into /etc/rc.config(.common) and unload lat from the running system.
Anyway you should log a service request and make sure this incident is "elevated" to Tru64 engineering.
__Johan__
_JB_
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тАО07-28-2004 08:37 PM
тАО07-28-2004 08:37 PM