I have two Adaptec 2930CU (ultra narrow) cards. I modified the driver to
make them work in ultra mode. The card connected to my CDROM and MO drive,
operating at different bus clocks, does not behave well. Transfers stop
often for 10-20 seconds and it spits out warnings like these:
Apr 3 23:05:10 Jay kernel: scsi1:0:4:0: Attempting to queue an ABORT message
Apr 3 23:05:10 Jay kernel: scsi1:0:4:0: Command found on device queue
Apr 3 23:05:10 Jay kernel: aic7xxx_abort returns 8194
Apr 3 23:05:10 Jay kernel: scsi1:0:5:0: Attempting to queue an ABORT message
Apr 3 23:05:10 Jay kernel: scsi1:0:5:0: Command found on device queue
Apr 3 23:05:10 Jay kernel: aic7xxx_abort returns 8194
Apr 3 23:06:23 Jay kernel: scsi1:0:4:0: Attempting to queue an ABORT message
Apr 3 23:06:23 Jay kernel: scsi1:0:4:0: Command found on device queue
Apr 3 23:06:23 Jay kernel: aic7xxx_abort returns 8194
No probs with the old driver.
[Linux 2.4.3, aic7xxx v6.1.8, gcc 2.95.3, PowecPC 750]
Bye.
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