Messages in this thread | | | Subject | Deadlock with Promise Driver, still in 2.6.9-rc1 | From | NM Lists <> | Date | Fri, 03 Sep 2004 11:47:36 +0200 |
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This has already been reported I think, but here it is again. In some bugzilla somewhere this has been incorrectly reported as a software Raid vs. Promise driver incompatibility; in fact, it appears to be a problem when both SATA channels are being used at the same time (which obviously happens a lot with raid!)
How to trigger it:
# cat /dev/sda > /dev/null & # hdparm -t /dev/sdb & # hdparm -t /dev/sda &
Now any disk access to either disks is blocked, and in my case, incoming mail (using qmail) starts piling up processes, and this ends up in lock up.
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