Bug 158328 - System freezes (UP and SMP) when use a stressed java application
System freezes (UP and SMP) when use a stressed java application
Status: CLOSED DUPLICATE of bug 141394
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: kernel (Show other bugs)
3.0
i386 Linux
medium Severity high
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Assigned To: Larry Woodman
Brian Brock
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2005-05-20 11:47 EDT by Albert Graham
Modified: 2007-11-30 17:07 EST (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2005-12-06 18:33:53 EST
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Description Albert Graham 2005-05-20 11:47:45 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.7) Gecko/20050417 Fedora/1.7.7-1.3.1

Description of problem:
Bugzilla Bug 158075 – System freezes (UP and SMP) when use a stressed java application on RHEL 4 (https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=158075)

This bug has been confirmed to exist on RHEL 3 U2 + U3 + U4 causing Java to Crash.



Version-Release number of selected component (if applicable):
RHEL 3U1-U4 + RHEL 4  - Kernel-2.4.-27-04

How reproducible:
Always

Steps to Reproduce:
1. see https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=158075
2. for details
3.
  

Actual Results:  see https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=158075

Expected Results:  no crash

Additional info:

This bug looks like it has been ported from RHEL 3 to RHEL 4, It has been fixed in RHEL 4 Beta - Can you PLEASE fix this in RHEL 3 U5
Comment 1 Ernie Petrides 2005-05-20 16:18:43 EDT
Albert, U5 was released a couple of days ago.  Could you please verify
whether this problem still exists, and if so, please capture the console
panic/oops output via a serial console and attach it to this bug?  Thanks.
Comment 2 Nicolas Aizier 2005-12-05 12:19:25 EST
Hi all,

I'm so happy to find this bug. I was beginning to get mad about this.
I'm actually on U4 with several servers and can confirm that this bug occur
randomly on kernels : 2.4.21-27.ELhugemem & 2.4.21-27.ELsmp


Can someone give me an advice except migration to RHEL4 U1 ?
And also can someone confirm me that RHEL 4 U1 really correct this bug ?

Regards, Nicolas Aizier.
Comment 3 Jason Baron 2005-12-05 13:26:11 EST
Nicolas, what is the status of this bug?  Does your system still hang when you
use the latest released version oth RHEL3-U6? 

Thank-You, Larry Woodman
Comment 4 Albert Graham 2005-12-05 14:03:16 EST
Sorry I forgot to respond to this post since I upgraded to kernel
2.4.21-32.0.1.ELsmp and the Java bug does seem to be fixed.

However, I later upgraded our Oracle server to U6, but oracle just seems to die!
(top shows close to %100 system for very long periods of time).

At first I thought this was some interaction problem with Qlogic/PowerPath, but
I confirmed the problem without Qlogic/PowerPath using local SCSI disks.

Basically, U6 is NOT for oracle (at least if you have any kind of load).

This bug exhibits itself as "dead" oracle processes - ie. processes shown by the
ps command, but are not in the oracle v$process list, at the same time there was
no errors in the oracle log ?

The "dead" processes seemed to have been detached from the main oracle instance,
so oracle knew nothing about them.

I had to revert back, to 2.4.21-32.0.1.ELsmp (from -37-xx I think).

In fact, oracle's performance was so bad, a single user could lock it up in a
few seconds, I spent a number of weeks trying to figure this one out, but had to
give as nothing has been reported on any of the usual lists. Once I reverted
everything was at lighting speed!

I'm in the process of abandoning RHEL 3 and moving to RHEL 4 hopefully soon as
there are just too many gotcha's with RHEL 3.

Regards Albert.

Comment 5 Larry Woodman 2005-12-05 14:46:44 EST
Albert, this is the first I've ever heard of Oracle hanging on RHEL3-U6.  Do you
have any of the top output or anything else we can look at when the system was
hung up like that?

Thanks, Larry
Comment 6 Nicolas Aizier 2005-12-06 09:50:14 EST
I'm actually migrating to 2.4.21-32.0.1.ELsmp but can't go futher because we 
got lots of tera on IBM ESS disks bays.

Hope this will correct the problem, still testing RHEL4 to migrate also
Comment 7 Albert Graham 2005-12-06 11:00:25 EST
Hi Larry,

I'm not in a position to gather further information on this problem as our
database is in a production environment.

As, I said, we do plan to upgrade to RHEL 4, at which time I will report back if
the problem still exists.

What I can say for the benefit of others is that we have found kernel
2.4.21-32.0.1.ELsmp to be rock solid with oracle and java.

Albert.

Comment 8 Ernie Petrides 2005-12-06 18:33:53 EST
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2005-472.html


*** This bug has been marked as a duplicate of 141394 ***

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