Re: 2.5.63-mm2

[Mike Anderson <andmike@us.ibm.com>]

I can also reproduce the problem on my system now that I switch from new
AIC7xxx to old AIC7xxx. I am looking at the problem now.

Andrew Morton [akpm@digeo.com] wrote:
> Mark Wong <markw@osdl.org> wrote:
> >
> > It appears something is conflicting with the old Adapatec AIC7xxx.  My
> > system halts when it attempts to probe the devices (I think it's that.) 
> > So I started using the new AIC7xxx driver and all is well.  I don't see
> > any messages to the console that points to any causes.  Is there
> > someplace I can look for a clue to the problem?
> > 
> > I actually didn't realize I was using the old driver and have no qualms
> > about not using it, but if it'll help someone else, I can help gather
> > information.
> > 
> 
> Well aic7xxx_old fails for me in 2.5.62, as well as later kernels.
> Always in the same way.  It gets stuck at boot:
> 
> (gdb) bt
> #0  wait_for_completion (x=0xc8dbfea8) at kernel/sched.c:1408
> #1  0xc024295d in scsi_wait_req (SRpnt=0xf7e22a00, cmnd=0xc8dbfeec, buffer=0xc03fce60, bufflen=36, timeout=6000, 
>     retries=3) at drivers/scsi/scsi.c:673
> #2  0xc024839f in scsi_probe_lun (sreq=0xf7e22a00, inq_result=0xc03fce60 "", bflags=0xc8dbff20)
>     at drivers/scsi/scsi_scan.c:1050
> #3  0xc024877e in scsi_probe_and_add_lun (host=0xf7e92600, q=0xc8dbff80, channel=0, id=2, lun=0, bflagsp=0xc8dbff54)
>     at drivers/scsi/scsi_scan.c:1372
> #4  0xc0248a8e in scsi_scan_target (shost=0xf7e92600, q=0xc8dbff80, channel=0, id=2) at drivers/scsi/scsi_scan.c:1835
> #5  0xc0248b7e in scsi_scan_host (shost=0xf7e92600) at drivers/scsi/scsi_scan.c:1892
> #6  0xc0243b9e in scsi_add_host (shost=0xf7e92600, dev=0x0) at drivers/scsi/hosts.c:314
> #7  0xc0243fbd in scsi_register_host (shost_tp=<incomplete type>) at drivers/scsi/hosts.c:513
> #8  0xc03b3259 in init_this_scsi_driver () at drivers/scsi/scsi_module.c:38
> #9  0xc03a07d5 in do_initcalls () at init/main.c:472
> #10 0xc03a0803 in do_basic_setup () at init/main.c:497
> #11 0xc01050a7 in init (unused=0x0) at init/main.c:535
> -
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-andmike
--
Michael Anderson
andmike@us.ibm.com