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_at_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. -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green_at_FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\
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