>>>>> "Tony" == Luck, Tony <tony.luck@xxxxxxxxx> writes: Tony, Tony> This one has been hard for me to bisect. Partly because it just Tony> takes so long to reboot the servers that have the problem, but Tony> also because there may be more than one thing going on. One thing Tony> that seems pretty certain is that things are OK prior to: We consolidated the mpt2sas and mpt3sas drivers in 4.4. I can see the driver getting loaded (and failing to allocate memory for some reason) in your first log but it's absent in the second. Tony> megaraid_sas: Increase timeout to 60 secs for abort frames Tony> during shutdown megaraid_sas is an entirely different beast from mpt[23]sas. Please let us know which type of controller your disks are hanging off of. -- Martin K. Petersen Oracle Linux Engineering -- 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