Hi! Just wanted to say - in my case the AHCI timeouts (and therefor the panics afterwards) were solved by updating the firmware of my SSDs. [Corsair Force 3, 120GB, old firmware: 1.3, new firmware: 1.3.3] Armin On 10/28/11 01:19, Pegasus Mc Cleaft wrote: >>> If it's only one process, the machine (usually) doesn't hang, even >>> when that process is copying big files back and forth for a long >>> period of time (it's a backup process). But interleave that process >>> with another one accessing the same disk, and poof!, almost >>> immediately ahci timeouts. occur. Very strange... Maybe a race >>> condition of some sort after all? >>> >> >> No, I cannot say there is any specific correlation to IO load of the > machine, >> timeouts I saw happen randomly and seem almost always happen as system > uptime >> crosses two weeks boundary. I am suspecting Samsung firmware at this point. > > Now that's interesting as I use a mixture of Samsung, WD, and Seagate.. And > I do believe the Samsungs tend to do this more. I see ACHI timeouts from > time to time on my machine (10-Current AMD64) but normally only when I am > doing something like a scrub. The machine has never panicked as a result of > this, it normally just FAULTS the drive in the pool and keeps on going. At > that point, doing a camcontrol rescan all does not bring the drive back into > existence (it will normally just hang on that bus for 15-20 seconds and then > carry on without identifying a drive). I have to pull the drive, let it spin > down and then reinsert it. Once its reinserted, the drive comes back on the > bus and I can online it again. > > The weird thing is this.. For me, it only ever seems to be when I am writing > to the pool/disk. Pure reads don't seem to bother it. > > I don't really know at this point if the SATA ports have gone wonkey on the > motherboard, or if the processor on the HD has crashed. I almost tend to > believe it's the drive because camcontrol stops on that port almost as it if > knows there is a link there, but can't talk to it. > > Peg > > > _______________________________________________ > freebsd-current_at_freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org" >Received on Mon Oct 31 2011 - 09:25:33 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:40:19 UTC