Re: kern/55965: st(4) on adaptec fails to 'mt erase'

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

The following reply was made to PR kern/55965; it has been noted by GNATS.

From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: Hauke Fath <hauke%Espresso.Rhein-Neckar.DE@localhost>
Cc: gnats-bugs%netbsd.org@localhost, kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost
Subject: Re: kern/55965: st(4) on adaptec fails to 'mt erase'
Date: Sat, 30 Jan 2021 22:39:11 +0100

 On Sat, Jan 30, 2021 at 10:22:48PM +0100, Hauke Fath wrote:
 > At 20:30 Uhr +0000 30.01.2021, Manuel Bouyer wrote:
 > > > > It's 0x1e - SCSI_PREVENT_ALLOW_MEDIUM_REMOVAL, not ERASE.
 > > >
 > > > ... which indeed is being issued with a timeout of 5000 msec, so that's
 > > > explained?
 > >
 > > 5s sounds enough. But maybe try to bump the timeout to see what happens ?
 > 
 > Funky... With timeout bumped to 60s, an 'mt erase' returns after 35s, which
 
 And did you get the timeout message from the kernel ?
 
 > the drive audibly spent mounting the tape. Then - nothing, no tape running
 > for erase.
 > 
 > An 'mt status' then leads to a
 > 
 > [ 1433.8827963] st0(ahc0:0:5:0):  DEFERRED ERROR, key = 0x3
 > [ 1433.8827963] st0(ahc0:0:5:0):  Check Condition on CDB: 0x00 00 00 00 00 00
 > [ 1433.9128026]     SENSE KEY:  Media Error
 > [ 1433.9128026]      ASC/ASCQ:  ASC 0x80 ASCQ 0x01
 > [ 1433.9128026] st0: mount error (sense key=3) - terminating mount session
 
 that looks like a red flag; did you try with another tape ?
 
 -- 
 Manuel Bouyer <bouyer%antioche.eu.org@localhost>
      NetBSD: 26 ans d'experience feront toujours la difference
 --