Date: Tue, 22 Dec 2009 14:19:27 +0000 From: Pete French <petefrench@ticketswitch.com> To: flo@smeets.im Cc: freebsd-stable@FreeBSD.org Subject: Re: Disc lock up on 8.0-STABLE Message-ID: <E1NN5aB-0004Vt-AW@dilbert.ticketswitch.com> In-Reply-To: <4B30CE81.7030303@smeets.im>
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> i'm trying to track down the same problem. The box in question has > everything on UFS (mirrored ataraid) and a backup disk with ZFS on it > attached to USB. This is very interesting to know! It seems you have managed to get a lot more information out of it than I have. > As the box is remote with only ssh access, it's a little difficult to > debug this. During the weekend i waited till 3 o'clock with a top > running, and saw that hundreds/thousands of /bin/sh processes were > started. After that i commented out periodic daily in /etc/crontab, that > "solved" the problem for me. Interesting - I have tried running the daily periodic processes by hand, but that does not trigger it. Possibly it is something about being run from cron maybe ? > I was not able to debug this any further yet, i have one other box with > all UFS and a ZFS backup disc also running latest 8-STABLE but it does > not exhibit the problem. Same here :-( My other box is identical hardware and almost config (UFS and ZFS) but it works fine. I am not sure that ym debug kernel will help now - assuming this is the same thing as you are seeing, it sounds like a process running amok rather than any kernel bug. Was yoour system a fresh install, or an upgrade from 7-STABLE ? -pete.
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