Date: Sat, 05 Nov 2005 20:56:10 +0100 From: Stefan Cars <stefan@snowfall.se> To: Kris Kennaway <kris@obsecurity.org> Cc: Greg 'groggy' Lehey <grog@FreeBSD.org>, Daniel Eischen <deischen@freebsd.org>, current@freebsd.org Subject: Re: MySQL crashes on amd64 Message-ID: <436D0E5A.4040306@snowfall.se> In-Reply-To: <20051102004003.GA42673@xor.obsecurity.org> References: <20051030204120.GB99588@xor.obsecurity.org> <Pine.GSO.4.43.0510301549230.22659-100000@sea.ntplx.net> <20051030205602.GB201@xor.obsecurity.org> <4365F4D1.6020809@snowfall.se> <20051102000843.GO56043@wantadilla.lemis.com> <20051102004003.GA42673@xor.obsecurity.org>
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Kris Kennaway wrote: > On Wed, Nov 02, 2005 at 10:38:43AM +1030, Greg 'groggy' Lehey wrote: > >>On Monday, 31 October 2005 at 11:41:21 +0100, Stefan Cars wrote: >> >>>Kris Kennaway wrote: >>> >>>>On Sun, Oct 30, 2005 at 03:52:42PM -0500, Daniel Eischen wrote: >>>> >>>>>On Sun, 30 Oct 2005, Kris Kennaway wrote: >>>>> >>>>>>On Sun, Oct 30, 2005 at 02:45:57PM +0100, Stefan Cars wrote: >>>>>> >>>>>>>No. I don't need both. Removed libpthread.so.1 and still the same >>>>>>>problem. >>>>>> >>>>>>You removed the mapping entry, or the file itself? Daniel asked for >>>>>>the latter. >>>>> >>>>>Or perhaps try using libmap.conf to map libpthread.so.1 to >>>>>libpthread.so.2 without any other mappings: >>>>> >>>>> libpthread.so.1 libpthread.so.2 >>>> >>>>This is just a partial workaround, of course, and any of your >>>>binaries that are also linked to two versions of other libraries >>>>may still experience crashes (or may start to crash later when the >>>>new libraries change further). You really want to track down and >>>>fix the root cause now, to save you hours of pain later when the >>>>problem recurs elsewhere. >>> >>>The thing is I don't need the libpthread.so.1 to libpthread.so.2 >>>mapping, it works anyway (although mysql crashes) but when mapping >>>libpthread.so* to libthr* it works perfectly. >> >>It would be nice to find the bug rather than a workaround. Can you >>get a stack dump of the server? > > > The bug is well understood and is solely on the user end (operator did > not upgrade software correctly, and caused it to be linked to two > versions of the same library), it's not a software or FreeBSD bug. > > Kris I don't think this is the case, if I use libthr.so it works perfectly, If I use libpthread.so it doesn't work. It depends on what lib I link it to. The mysqld was NOT linked to two versions of the same library. /S
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