Date: Wed, 14 Dec 2005 16:18:55 +0300 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Fabian Keil <freebsd-listen@fabiankeil.de> Cc: freebsd-stable@FreeBSD.org Subject: Re: FreeBSD 6.0 panic: kmem_malloc(16384): kmem_map too small: 172728320 total allocated Message-ID: <20051214131855.GH59644@FreeBSD.org> In-Reply-To: <20051214132530.3b6daecd@TP51.local> References: <20051214132530.3b6daecd@TP51.local>
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On Wed, Dec 14, 2005 at 01:25:30PM +0100, Fabian Keil wrote: F> I triggered a few reproducible panics on FreeBSD 6.0-STABLE. F> F> I created a ramdisk with: F> F> /sbin/mdconfig -a -t malloc -s 256M -u 10 F> /sbin/newfs -U /dev/md10 F> /sbin/mount /dev/md10 /mnt/ramdisk F> F> The system has "avail memory = 515932160 (492 MB)" F> and 1GB swap space. F> F> While copying to /mnt/ramdisk trough ftp localhost F> it got: This usually exposes some memory leak in kernel. Can you please do the following - copy some amount of data to /mnt/ramdisk trough ftp localhost, and cancel the operation before it panics. Then run vmstat -m and vmstat -z, to determine what kind of memory allocation is leaking. -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE
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