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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2008-02-22 18:01:59 -0500
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-02-22 18:23:36 -0500
commit91b550604480eadcdadc7db8a7d19f496ccad6bd (patch)
treee121854505fa10df824da075a6bb06f1e3fd586a /Documentation/sh
parentdeee13dfd6dd6c18518ea725f11111ebd9bf4fa8 (diff)
[SCSI] aic94xx: fix sequencer hang on error recovery
The clear nexus I_T and clear nexus I_T_L functions in the aic94xx specify the SUSPEND_TX flag which causes the sequencer to be suspended until it receives a RESUME_TX. Unfortunately, nothing ever sends the resume, so the sequencer on the link is stopped forever, leading to eventual timeouts and I/O errors. Since clear nexus commands are only executed as part of error recovery, it's perfectly fine to keep the sequencer running on the link ... as soon as the recovery function is completed, we'll send it the commands to retry. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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