Re: IBM DB2 failures in 2.4.0-test*

From: Urban Widmark (urban@svenskatest.se)
Date: Tue Jun 06 2000 - 18:26:36 EST


On Tue, 6 Jun 2000, Alan Cox wrote:

> 2.3.5x/2.3.99 somewhere. 2.3.42 would be a good one to check

(one evening of compiling and rebooting later ...)

Here is my list of kernels I have tested 'db2 restore database ...' on.

"bad" good
2.3.42
2.3.33 (hmm, is it all 2.3's !?)
                                2.3.18 (nope)
                                2.3.24
                                2.3.27
2.3.30
                                2.3.29-pre2
                                2.3.29
2.3.30 (again, just to be sure)
2.4.0-test1-ac10

Each of these have been left for several minutes (should take < 10
seconds) before being considered as bad. Kernel cfgs are basically the
same around 2.3.30.

Does this make any sense? I'm a bit further back than I thought I would
be. There are 7 pre-patches from 2.3.29 to 2.3.30, but I won't be doing
that tonight. If someone has a better idea, please stop me.

Also, I'd like to repeat that other db2 stuff is working fine for me and
has for most 2.3.99/2.4.0's (not sure which I have tested, but I know I
have run it every now and then).

New shm in 2.3.5x, so that's not it. Right?

Anyone out there with a db2 that could test if 2.3.30 breaks db2 restore
and 2.3.29 works? and 2.4.0-test1-ac<current> ? I'd love to know it's not
just me.

Oh, and I just tested this:
% db2 backup database xyz to `pwd`
SQL2044N An error occurred while accessing a message queue. Reason code: ""
    (the "" is supposed to tell you why ... "" = no problem? :)

ipcs says:
...
------ Message Queues --------
key msqid owner perms used-bytes messages
0x00000000 0 root 666 0 0
0x7707ee9e 2523142 db2inst1 765 0 0

But this could be some effect of restore failing earlier. Message queue
changes in 2.3.30?

/Urban

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