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Re: kern/49457: 'atactl sleep' loses drive

The following reply was made to PR kern/49457; it has been noted by GNATS.

From: (Michael van Elst)
Subject: Re: kern/49457: 'atactl sleep' loses drive
Date: Mon, 1 Apr 2019 22:17:39 -0000 (UTC)

 hauke%Espresso.Rhein-Neckar.DE@localhost (Hauke Fath) writes:
 > >[hauke@pizza] ~ # atactl wd1 sleep
 > >load: 0.06  cmd: atactl 4012 [ahcicmd] 0.00u 0.00s 0% 0k
 > >wd1: wd_flushcache: status=0x5128<TIMEOU>
 > >wd1: IDENTIFY failed
 > >
 > >At this point, only a reboot will bring the drive back.
 > FTR, the issue is unchanged in netbsd-8.
 If only a reboot brings it back, it's probably an issue
 with the drive.
 Here I see timeouts when accessing a sleeping drive, but the
 drive wakes up after several seconds. Not perfect either.
 Maybe a sucessful sleep command should configure larger timeouts.
                                 Michael van Elst
                                 "A potential Snark may lurk in every tree."

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