Date: Fri, 26 Feb 1999 11:47:31 +0000 (GMT) From: Doug Rabson <dfr@nlsystems.com> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Julian Elischer <julian@whistle.com>, Luoqi Chen <luoqi@watermarkgroup.com>, freebsd-hackers@FreeBSD.ORG, mjacob@feral.com Subject: Re: Panic in FFS/4.0 as of yesterday - update Message-ID: <Pine.BSF.4.05.9902261146510.71217-100000@herring.nlsystems.com> In-Reply-To: <199902252340.PAA09708@apollo.backplane.com>
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On Thu, 25 Feb 1999, Matthew Dillon wrote: > : The patch I've supplied has one bug in it that came up... While building > : the world one of my 'ranlib's got stuck in 'newbuf' even after plenty of > : buffers were freed up. I think it's a simple missing wakeup... when > : I spiked the load the ranlib got going again ( too bad, I was trying to > : gdb -k the running system and the gdb command unstuck the ranlib! ). > > Fragmentation in the buffer_map, even though it is *twice* the size of > maxbufspace, can cause map allocations to fail due to fragmentation. Defragment by moving non-busy buffers around in the map? Not a huge amount of fun to be had there :-(. -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 442 9037 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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