5.1.0-pre2-to-pre3

[Robert G. Brown]

Phase II.  I separated the driver out into a module and loaded it by
hand from a diskless boot.  I loaded it with verbose:0x1ffff, and
(after a bunch of stuff presumably saying that it downloaded the
sequence code scrolled off in zero time) I get:

(scsi0:-1:-1:-1) Data Parity Error during PCI address or PCI writephase
(scsi0:-1:-1:-1) Received a PCI Target Abort

It appears to come out in a burst of a page or two, a pause for 5-10
seconds, and burst of another page or two (presumably after a reset
attempt?).

If I add the panic_on_abort line, I get the following:

aic7xxx: <Adaptec AIC-7860 Ultra SCSI host adapter> at PCI 6/0
aic7xxx: Initial PCI_COMMAND value was 0x117
aic7xxx: Initial DEVCONFIG value was 0x1100
aic7xxx: <Adaptec AIC-7890/1 Ultra2 SCSI host adapter> at PCI 4/0
aic7xxx: Initial PCI_COMMAND value was 0x1117
aic7xxx: Initial DEVCONFIG value was 0x540
(scsi0:-1:-1:-1) Data Parity Error during PCI address or PCI writephase
(scsi0:-1:-1:-1) Received a PCI Target Abort
aic7xxx driver version 5.1.0pre3
Controller type:
   Adaptec AIC-7890/1 Ultra2 SCSI host adapter
p>flags=0x10804501, p->chip=0x406, p->features=0xf6, sequencer is paused
SIMODE0=0x0, SIMODE1=0x406, SSTAT0=0x0, SSTAT1=0x0, INSTAT=0x0
SCSISIGI=0x0, SXFRCTL0=0x88, SXFRCTL1=0x27, SCSISEQ=0x0, SEQCTL=0x90
SCSIRATE=0x0, SCSIOFFSET=0, SEQADDR=0x1, LASTPHASE=P_MESGIN
QINFIFO: (TAG)
Current SCB: (SCBPTR/TAG/CONTROL) 0/255/0x0
WAITING_SCBS: (SCBPTR/TAG/CONTROL
DISCONNECTED_SCBS: (SCBPTR/TAG/CONTROL)

and after a moment I get:

IRQ DEADLOCK DETECTED BY CPU 0

after the system times out.  I don't think that this really means that
I'm getting a real IRQ deadlock -- this message pops up in SMP kernels
if one doesn't return from an interrupt after a certain amount of
time...

Hope this helps.

   rgb



Robert G. Brown	                       http://www.phy.duke.edu/~rgb/
Duke University Dept. of Physics, Box 90305
Durham, N.C. 27708-0305
Phone: 1-919-660-2567  Fax: 919-660-2525     email:rgb at phy.duke.edu




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