Mark Lord wrote:
Tejun,
While working on the new hdparm (version 7.0, released today),
I ran into trouble when a buggy SG_IO/ATA_16 packet caused
the libata EH to get confused.
I triggered this by accident, issuing an IDENTIFY command
which incorrectly specified ATA_PROT_NODATA. My error, for sure,
but libata never recovered from the "stuck DRQ bit" that resulted.
...
This was on 2.6.21, with ata_piix.
Cheers
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