On Wed, Jun 08, 2005 at 11:30:22PM +0200, Daniele Muscetta wrote: > >could you run: > > > >strace -f strace.out /usr/sbin/mysqld --basedir=/usr > >--datadir=/var/lib/mysql --user=mysql > >--pid-file=/var/run/mysqld/mysqld.pid > >and send us a copy of strace.out? > > > sure, here you go (attached).
is this an strace from the daemon while it was having the problem you
reported, or after you attempted the various other things you did? it
doesn't look like it's segfaulting anymore from this trace, but instead
having some other problem.
> One thing is that the machine is now probably messed up.... I tryed to
> upgrade mysql-server to mysql-server-4.1, then it was doing the same
> error, so I removed the whole lot (removed mysql-common and
> dependencies), and re-tried with 4.0 again.... also trid at one point to
> rename my /var/lib/mysql to let it create a new one (so there should be
> no old db to convert/upgrade, right ?).... it was still giving the same.
> I might run a second strace in that scenario, if you think it's worth
> seeing any difference.....
something i'd recommend: after making a full backup of whatever
db stuff you still have, try *purging* mysql-*, rm -rf /var/lib/mysql,
and reinstall it and see if a default empty install has this problem.
note that you can't really downgrade from 4.1 back to 4.0 without
some problems so let's keep it on 4.0 while we try to figure this out.
> [Please note that I've contacted also the hosting provider, as they
> provide the kernel (it is a UML machine) - in fact, it might be hardware
> (virtualization) related.... also bind9 was failing with a segfault
> after the upgrade, and I have had to resort back (at least in the
> meanwhile) to bind8 which instead starts fine.... everything else works
> as expected, these mails are passing through this very same box, for
> instance :-)]
these could be related. i don't have access to a UML environment, so i
can't say that i tested the latest version of mysql in there. i
wouldn't rule that out, anyway. by the way, are you doing anything out
of the ordinary with nsswitch? ldap? nis?
sean
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