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From: "Daniel Eriksson" <daniel_k_eriksson@telia.com>
To: <freebsd-current@freebsd.org>
Date: Wed, 22 Sep 2004 21:32:49 +0200
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Subject: RE: CURRENT crash (NFS-related on a system not using NFS???)
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I should also mention that I'm getting ATA timeouts on this machine under
heavy I/O load:
ad1: TIMEOUT - READ_DMA retrying (2 retries left) LBA=87264294
ad1: WARNING - READ_DMA no interrupt but good status
ad2: TIMEOUT - READ_DMA retrying (2 retries left) LBA=150270844
ad2: WARNING - READ_DMA no interrupt but good status
ad2: TIMEOUT - READ_DMA retrying (2 retries left) LBA=97017128
ad2: WARNING - READ_DMA no interrupt but good status
ad2: TIMEOUT - READ_DMA retrying (2 retries left) LBA=147577600
ad2: WARNING - READ_DMA no interrupt but good status
ad14: TIMEOUT - READ_DMA retrying (2 retries left) LBA=118132691
ad14: WARNING - READ_DMA no interrupt but good status
[...]

Also, my /boot/loader.conf contains the following settings:
kern.ipc.nmbclusters="32768"
kern.ipc.nsfbufs="16384"
hw.intr_storm_threshold=5000
console="comconsole"
geom_vinum_load="YES"
debug.mpsafenet="1"

/Daniel Eriksson