On Dec 23, 2013, at 1:54 PM, m...@netbsd.org (Emmanuel Dreyfus) wrote: > J. Hannken-Illjes <hann...@eis.cs.tu-bs.de> wrote: > >> According to T10.ORG scsi commands a3/a4 for sequential devices are optional: >> >> OP DTLPWROMAEBKVF Description >> A3 OOO O OOMOOOM MAINTENANCE IN >> A4 OOO O OOOOOOO MAINTENANCE OUT >> >> What are you trying to do here? > > I am trying to mount a LTFS formatted tape. But I assume you wonder what > LTFS software is doing. > > The logs suggests it attempts to fetch an error log dump from the drive. > It is not such a problem if it is not implemented, as it is just a > consequence of the failed READ(6): > >> LTFS20010D SCSI request: [ 08 02 01 00 00 00 ] Requested length=65536 >> LTFS20089D Driver detail: errno = 0x0 >> LTFS20089D Driver detail: status = 0x2
This is XS_SHORTSENSE (it also matches retsts being 0x04). It is an atapi drive? You try to read a record being larger than the buffer (65536)? >> LTFS20089D Driver detail: retsts = 0x4 >> LTFS20089D Driver detail: error = 0x0 > > I guess I will have to add the SENSE command to learn what happened. -- J. Hannken-Illjes - hann...@eis.cs.tu-bs.de - TU Braunschweig (Germany)