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    SubjectRe: Adaptec drivers and 2.6.x kernels
    On Thu, Oct 07, 2004 at 06:27:09PM -0400, Wakko Warner wrote:
    > I've been irritated with this for some time now. I've seen this with 2.6.7
    > and 2.6.8.1 with both aic7xxx and aic79xx drivers.
    > I have a bad CD (I burned it as fast as my burner could force. I expected
    > errors). The scsi drivers do not handle errors very well. I tried to read
    > this bad cd on an ide cdrom (I have 2 one on hda and one on hdd), it just
    > gives up with a read error. If I do this on scd0 or scd1 (scd0 is an LG DVD
    > multi burner using an acard u2w scsi to udma66 converter, scd1 is a plextor
    > cdrw 40/12/40 narrow scsi), then the driver offlines the drive and I can't
    > use it anymore.
    > With this problem, the device recovered with scd1. It was a simple:
    > cd /proc/scsi
    > echo "scsi remove-single-device 2 0 1 0" > scsi
    > echo "scsi add-single-device 2 0 1 0" > scsi
    > And it now works again. Sometimes it doesn't. scsi bus 0 and 1 are on the
    > aic79xx [...]

    I have boxen with aic7xxx and aic79xx that don't see issues of this
    kind (granted, with bleeding edge -mm). Could you describe the systems
    in more detail?


    -- wli
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