On Tue, Apr 25, 2006 at 12:24:07AM +0400, Dmitry Morozovsky wrote: > On Mon, 24 Apr 2006, Kris Kennaway wrote: > > KK> > What bothers me most is that it is the only machine reproducibly hangs > in > KK> > snapshots, and it did not hang before RELENG_5 -> RELENG_6 upgrade. > Other > KK> > RELENG_6 machines do snapshot backups flawlessly (knock-on-wood!) > KK> > KK> Are you quite certain it's running up-to-date RELENG_6_1? All known > KK> snapshot deadlock issues were believed to have been fixed a few weeks > KK> ago. If so, we might need you to enable extra debugging to track this > KK> down. > > Yes, I'm sure it's recent RELENG_6_1: > > [EMAIL PROTECTED]:/usr/src> cvs stat sys/ufs/ffs/ffs_snapshot.c > =================================================================== > File: ffs_snapshot.c Status: Up-to-date > > Working revision: 1.103.2.5 > Repository revision: 1.103.2.5 > /home/ncvs/src/sys/ufs/ffs/ffs_snapshot.c,v > Sticky Tag: RELENG_6_1 (branch: 1.103.2.5.2) > Sticky Date: (none) > Sticky Options: (none) > > [EMAIL PROTECTED]:/usr/src> cvs -R up > P etc/rc.d/SERVERS > P release/doc/en_US.ISO8859-1/errata/article.sgml > P release/doc/en_US.ISO8859-1/relnotes/common/new.sgml > P release/doc/share/sgml/release.ent > P release/doc/zh_CN.GB2312/errata/article.sgml > P release/doc/zh_CN.GB2312/relnotes/common/new.sgml > P sys/amd64/amd64/identcpu.c > P sys/amd64/amd64/initcpu.c > P sys/amd64/amd64/pmap.c > P sys/amd64/include/md_var.h > P sys/amd64/include/specialreg.h > P sys/i386/i386/identcpu.c > P sys/i386/i386/initcpu.c > P sys/i386/include/md_var.h > P sys/i386/include/specialreg.h > P sys/ia64/ia64/nexus.c > > (all these changes are non-relevant, are they?)
Yes. > I'll try to build DDB kernel tomorrow evening to check. Which commands should > I > issue in ddb ? 'show lockedvnods', 'ps' and 'alltrace' are important. Kris
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