> > 2012/3/16 Jack Wang <jack_wang@xxxxxxxxx>: > > Dan, > > > > I found problem about SATA error handle and this also led to panic when run > suspend/resume test. Thanks again for your share debug method and patch of > testing suspend/resume problem. > > > > The problem is: > > > > When probe libata probe sata will try to reset device and send IDENTIFY DEVICE.. > commands when 3 times fail will give up but never tell libsas and lldd to clean > up the resource. And if some time later the device came up report BROADCAST > CHANGE and libsas found device try to tell lldd, but lldd is not forget the > original one will reject this. > > Should we export sas_unregister_devs_sas_addr let ata call this when give > up. > > Have a look at "libsas: fix ata_eh clobbering ex_phys via > smp_ata_check_ready" [1], this fixed up cases where libsas failed to > handle ata device unplug in our environment. > > -- > Dan > > [1]: http://marc.info/?l=linux-scsi&m=133239709603452&w=2 [Jack Wang] Thanks Dan, we are testing your new patchset in our test environment, will report back result. > -- > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
