Date: Tue, 26 May 2009 10:47:37 -0500 (CDT) From: Larry Rosenman <ler@lerctr.org> To: Florian Smeets <flo@kasimir.com> Cc: freebsd-current@freebsd.org, Kip Macy <kmacy@freebsd.org> Subject: Re: ZFS Crash Message-ID: <alpine.BSF.2.00.0905261046180.42298@borg> In-Reply-To: <4A1BE241.5030706@kasimir.com> References: <alpine.BSF.2.00.0905250040230.1781@borg> <3c1674c90905242253n544c3f0cqb10952f349391ce7@mail.gmail.com> <454b8cc37c60ab7af2663ba70ddbfd59.squirrel@webmail.lerctr.org> <5a9a181a12e9e4ef864d23ae063f7277.squirrel@webmail.lerctr.org> <alpine.BSF.2.00.0905250803350.79867@borg> <alpine.BSF.2.00.0905260702300.1820@borg> <4A1BE241.5030706@kasimir.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 26 May 2009, Florian Smeets wrote: > On 26.05.09 14:04, Larry Rosenman wrote: >> On Mon, 25 May 2009, Larry Rosenman wrote: >> >>> On Mon, 25 May 2009, Larry Rosenman wrote: >>> >>>> after looking at the code, never mind the "don't call doadump", so we'll >>>> get the textdump. >>>> >>>> Thanks rwatson for the textdump stuff! >>>> >>> Here is current stats before we crash. Does any of this look totally >>> out of line? >>> >> It crashed again, but did *NOT* make it into ddb enough to do the textdump. >> >> It was hung with the backtrace (looks like the same, but I couldn't >> scroll the screen back). >> >> Ideas? >> >> I'm really concerned that there is a problem. >> > > Hi i guess I'm having a similar/the same problem. The panic looks the same, > and the trace is a little different, I've had a lot of these panics on this > machine, and the stack trace looked different quite often. > > The panic and show uma and show malloc can be found here: > http://webmail.solomo.de/~flo/panic.txt > > I have a coredump written to swap, but this panic is very easy to trigger and > it panics every time savecore runs... It is also easy to trigger this with a > buildworld -j5. > > This is a quadcore Xeon with a a slow SATA disk and only 1GB of mem. (It's > only a test machine, so i can test any suggestion.) This box used to run > stable with kmem max set to 768M. > > Anything i can do? > I've started running the below script every minute from cron. If anyone wants to look at the data let me know (it's on a Resi DSL line, so I don't want to run an http server). I'm willing to give SSH accounts to @FreeBSD.org devs to look around. script: #!/bin/sh DATE=`date +%Y%m%d.%H%M%S` (echo "Uptime:";uptime;echo "vmstat -m:";vmstat -m echo "vmstat -z:";vmstat -z) >/home/ler/stats/${DATE}.stats -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 512-248-2683 E-Mail: ler@lerctr.org US Mail: 430 Valona Loop, Round Rock, TX 78681-3893
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?alpine.BSF.2.00.0905261046180.42298>