Date: Wed, 13 Feb 2008 11:45:41 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-questions@freebsd.org Subject: Re: Kernel Panic with heavy disk i/o while running on battery Message-ID: <fouhl5$e95$2@ger.gmane.org> In-Reply-To: <63459.70.58.238.235.1202884507.squirrel@www.nathansouer.com> References: <38768.209.240.66.157.1202851338.squirrel@www.nathansouer.com> <47B21924.5030702@bsdforen.de> <63459.70.58.238.235.1202884507.squirrel@www.nathansouer.com>
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[-- Attachment #1 --] Nathan Alan Souer wrote: >> Nathan Alan Souer wrote: >>> In advance, I appreciate any help that anyone has to offer. When my >>> laptop >>> is running on battery and there is heavy i/o on the disk The machine >>> kernel panics and reboots. I have updated my base system to current >>> (7_releng) just a couple days ago in an effort to resolve this issue, to >>> no change. >>> >> I would start with a memory test program. I have seen similar things >> happen >> with broken memory. > the machine passes a full pass of memtest86+ Just checking - you did the test in the same conditions (on battery power) as the crash? I have a suggestion that's a bit silly but it might help - can you boot of a live/fixit CD and calculate a hash of the drive's content, on and off AC power, to see if it's a hardware problem with the controller or the drive? (dd if=/dev/drive bs=1m | md5) [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFHsspWldnAQVacBcgRAjJuAKDNJMpzcq4B3kPxULY6m0qhJNFCrgCfYPSW Ixs4jPIXzVBo+CIwRW9d6Uw= =yFgj -----END PGP SIGNATURE-----
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