On Tue, 2006-11-28 at 13:44 -0500, Douglas Gilbert wrote: > Mark Haverkamp wrote: > > I got this panic when loading the aic94xx module. The adapter is > > connected to an HP MSA50 SAS enclosure with 3 72GB SAS disks. > > > > Kernel 2.6.19-rc6-scsi-misc on an x86_64 [ ... ] > So this is an interesting expander setup within the enclosure. > There are two expanders (500508b300a27a2f + 500508b300a27a3f) > interconnected via a two wide link (0,1 <-> 10,11 (T-S)) with > a four wide link back to the 94xx HBA (4,5,6,7 <-> 0,1,2,3). > My guess is that 500508b300a27a2f:12 is virtual and contains a > SES target. That leaves SAS disks on 500508b300a27a3f:0, > 500508b300a27a3f,2 and 500508b300a27a3f,4 > > The pain starts immediately after the sas transport layer > tries to process those expander SMP DISCOVER responses. > The trace seems to suggest the device at 500508b300a27a2f:12 > is SATA: extremely unlikely. > > Mark, do you have a LSI MPT Fusion SAS HBA handy? If > so you might connect the enclosure to it, get smp_utils > and do something like: > # modprobe mptctl > # smp_discover -p 12 -s 0x500508b300a27a2f /dev/mptctl > > and post the output. I do have one on another machine. I'll get it installed in this machine and give it a try. We do have LSI cards connected to these kinds of enclosures and disks and they seem to be working OK. Mark. > > BTW Darrick, SATA disks connected to an expander usually > get SAS addresses like <expander_sas_address + n> where > "n" is small. The device attached to 500508b300a27a2f:12 > is in that region: 500508b300a27a2c > > Doug Gilbert > > -- Mark Haverkamp <markh@xxxxxxxx> - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
