Re: shutdown no longer umounts idle USB connected drive.

On Sat, Sep 5, 2026, 9:04 AM Ian FREISLICH <ianfreislich@gmail.com> wrote:

>
>
> On 9/5/26 09:35, Christos Margiolis wrote:
> > On Sun Aug 23, 2026 at 7:37 PM EEST, Ian FREISLICH wrote:
> >> On 8/23/26 10:55, Christos Margiolis wrote:
> >>> On Sun Aug 23, 2026 at 12:05 AM EEST, Ian FREISLICH wrote:
> >>>> Hi
> >>>>
> >>>> I have a USB connected hard drive which powers down when idle.
> Recently
> >>>> (in the last 2 weeks or so) shutdown appears to have stopped waiting
> for
> >>>> the drive to spin up in order to cleanly unmount. I can perform a git
> >>>> bisect but the system is relatively slow so if anyone has a change in
> >>>> mind that might be the culprit, I can start around that point.
> >>>>
> >>>> Ian
> >>>
> >>> Which driver is it using? Anything showing up in dmesg?
> >> [router] ~ # usbconfig -d ugen0.2 show_ifdrv
> >> ugen0.2: <External SATA Hard Drive Adapter cable PA023U3 Other World
> >> Computing> at usbus0, cfg=0 md=HOST spd=SUPER (5.0Gbps) pwr=ON (224mA)
> >> ugen0.2.0: umass0: <ULT-Best Best USB Device, class 0/0, rev 3.00/41.01,
> >> addr 1>
> >>
> >> I started getting these after a kernel built on July 28, but only during
> >> the cron.daily job:
> >>
> >> Jul 31 03:06:53 router kernel: (da0:umass-sim0:0:0:0): READ(10). CDB: 28
> >> 00 43 22 1e 28 00 00 40 00
> >> Jul 31 03:06:53 router kernel: (da0:umass-sim0:0:0:0): CAM status: SCSI
> >> Status Error
> >> Jul 31 03:06:53 router kernel: (da0:umass-sim0:0:0:0): SCSI status:
> >> Check Condition
> >> Jul 31 03:06:53 router kernel: (da0:umass-sim0:0:0:0): SCSI sense:
> >> ABORTED COMMAND asc:47,1 (Data phase CRC error detected)
> >> Jul 31 03:06:53 router kernel: (da0:umass-sim0:0:0:0): Retrying command
> >> (per sense data)
> >> Jul 31 03:07:01 router kernel: (da0:umass-sim0:0:0:0): READ(10). CDB: 28
> >> 00 43 22 1e 28 00 00 40 00
> >> Jul 31 03:07:01 router kernel: (da0:umass-sim0:0:0:0): CAM status: SCSI
> >> Status Error
> >> Jul 31 03:07:01 router kernel: (da0:umass-sim0:0:0:0): SCSI status:
> >> Check Condition
> >> Jul 31 03:07:01 router kernel: (da0:umass-sim0:0:0:0): SCSI sense: NOT
> >> READY asc:4,1 (Logical unit is in process of becoming ready)
> >> Jul 31 03:07:01 router kernel: (da0:umass-sim0:0:0:0): Polling device
> >> for readiness
> >>
> >> But I now can't reproduce the issue. Oh well.
> >>
> >> Ian
> >
> > Have you managed to reproduce it since this email or has the issue been
> > fixed?
>
> It's happened once more, I noticed it yesterday but I don't recall which
> reboot caused it. What's odd is that failure to mount doesn't stop the
> startup and drop into single user mode and the unclean state doesn't
> prompt a fsck.
>

Yes. It's just a warning that the drive wasn't ready and a retry fixed it.

Warner

Ian
>
>
>