Date: Sat, 2 Feb 2002 12:28:52 +0100 From: "Steve O'Hara-Smith" <steve@sohara.org> To: Neil McGann <nmcgann@neilmcgann.co.uk> Cc: freebsd-stable@freebsd.org Subject: Re: 4.5-Release kernel locking hard after 30 minutes Message-ID: <20020202122852.3dd83653.steve@sohara.org> In-Reply-To: <5.1.0.14.0.20020201215144.009f38c0@janus> References: <5.1.0.14.0.20020201215144.009f38c0@janus>
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On Fri, 01 Feb 2002 22:01:56 +0000
Neil McGann <nmcgann@neilmcgann.co.uk> wrote:
NM> I tried to upgrade from 4.4-R to 4.5-R via CVSUP. Kernel compiled and
NM> installed fine (as generic, but includes ipfilter and stripped down to
NM> eliminate unnecessary devices). I started doing a buildworld, but after 30
NM> mins of heavy compiling the machine locked solid - a hard reset required to
NM> recover. Never seen this before.
NM>
NM> I booted back to 4.4R Kernel and all is well again. PC is Asus Cuple-VM
NM> mobo (82C686B southbridge), 256Mb, integrated graphics, 60Gb IBM HD, 400MHz
NM> celeron, 2xFA311 NIC. Uptime is weeks with 4.4R under heavy usage (only
NM> tweaking the kernel has required a reboot).
NM>
NM> Suggestions of how to attack the 4.5 lockup problem?
One place to look would be the 686b data corruption fix - I assume
that 4.5 reports enabling it. If so try editing /usr/src/sys/dev/ata/ata-all.c
and on line 536 you will find a three line if (under a comment about the 686b).
Comment it out (/* before and */ after) and rebuild your kernel. If this
fixes the problem then send in a detailed bug report with send_pr (include
dmesg output). If it doesn't fix the problem then put the code back the way
it was and rebuild again before you forget :)
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