The following reply was made to PR amd64/145654; it has been noted by GNATS.
From: Andriy Gapon <[email protected]> To: Andrey Smagin <[email protected]>, [email protected] Cc: Subject: Re: amd64/145654: amd64-curent memory leak in kernel Date: Mon, 06 Dec 2010 18:16:30 +0200 on 05/12/2010 22:47 Andrey Smagin said the following: >> Is still reproducible? >> How much RAM do you have? What panic message is printed when this happens? >> This could be a KVA exhaustion or fragmentation issue related to ZFS. > > I have 4G of RAM, panic messages about malloc memory for network subsystem. > After opening PR was some commit helped decrease memory usage under heavy > load. I use last night CURRENT right now. Next loader.conf now avoiding this > problem: > > vfs.zfs.arc_max="300M" - larger size increase performance but also increase > possibility of panic So you can still reproduce the panic with CURRENT? Can you get panic message and stack trace? > vfs.zfs.vdev.cache.size="16M" > vfs.zfs.cache_flush_disable="0" > vfs.zfs.prefetch_disable="0" > > vfs.zfs.zfetch.array_rd_sz="4M" > vfs.zfs.zfetch.block_cap="256" > vfs.zfs.zfetch.min_sec_reap="2" > vfs.zfs.zfetch.max_streams="16" > > vm.kmem_size="4G" > > IMHO gigantic problem is - ZFS use "wired" memory instead "inactive" as UFS. That's the way ZFS is. -- Andriy Gapon _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[email protected]"
