Date: Wed, 30 Jun 2004 03:11:17 +0200 From: Ronald Klop <ronald-freebsd7@klop.yi.org> To: Brian Fundakowski Feldman <green@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: panic with heavy writing on md device Message-ID: <opsaduw308m97yfk@outgoing.local> In-Reply-To: <20040629235221.GF1144@green.homeunix.org> References: <opsadjt1vqm97yfk@outgoing.local> <20040629235221.GF1144@green.homeunix.org>
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On Tue, 29 Jun 2004 19:52:21 -0400, Brian Fundakowski Feldman <green@freebsd.org> wrote: > On Tue, Jun 29, 2004 at 11:11:51PM +0200, Ronald Klop wrote: >> Hello, >> >> I got a panic while doing a lot of IO on a md device. >> I attached a gdb backtrace of the kernelcore and a dmesg output. >> >> It happened while untarring a 30 MB tar on the background (&) and >> traversing this new directory in the meantime. >> >> uname -a >> FreeBSD guido.thuis.klop.ws 5.2-CURRENT FreeBSD 5.2-CURRENT #1: Fri Jun >> 25 >> 04:03:35 CEST 2004 >> root@guido.thuis.klop.ws:/usr/obj/usr/src/sys/GUIDO i386 >> >> On the same time I was playing music with mpg123, but that doesn't make >> use of the md device. >> >> I have had this more and always while doing a lot of IO on the md >> device. >> >> Is there more info you need? > > It looks like there is a memory leak -- in general, you are not supposed > to run out of kernel virtual memory address space unless you have a > dire misconfiguration somewhere. > > Unfortunately, I think the most useful pieces of information (zone and > malloc allocation) are not fetchable via kvm anymore. Here's a fix for > vmstat so that you can provide vmstat -m output using the -M and -N > args again. I think vmstat -c output would also be useful. Thanks, I solved it. See my other thread about kmem_malloc. I thought that was about another error, so I opened a new thread. Greetings, Ronald. -- Ronald Klop Amsterdam, The Netherlands
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