Hello
On Friday 19 January 2007 20:58, Zan Lynx wrote: > I have been running 2.6.20-rc2-mm1 without problems, but both rc3-mm1 > and rc4-mm1 have been giving me these freezes. They were happening > inside X and without external console it was impossible to get anything, > plus I was reluctant to test it since the freeze sometimes requires a > full fsck.reiser4 --build-fs to recover the filesystem. > > But I finally got some output in a console session. I wasn't able to > get it all, I made some notes of what I think the problem is. I may try > again later once I get netconsole working (netconsole fails as a > built-in, I'll try it as a module next). > > 1 lock held by pdflush/185: > #0: (&type->s_umount_key#15) ... writeback_inodes+0x89 > > 3 locks held by realsync/12942: > #0: (&type->s_umount_key#15) at ... __sync_inodes+0x78 > #1: (&mgr->commit_mutex) ... reiser4_txn_end+0x37a > #2: (&qp->mutex) ... synchronize_qrcu+0x19 > > So, I *think* the problem is two locks on s_umount_key#15. Does that > sound likely? I also noticed QRCU may be involved. > > Perhaps someone will look at this and instantly know what the problem > is. > > If not, I'll be following up with more details like .config and perhaps > a full sysrq-T dump as soon as that fsck finishes. > yes, please provide more information. Full kernel output at time of freeze is very desirable. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/