[CentOS] rare but repeating system crash in C7

Sat Jan 2 18:17:55 UTC 2021
Fred <fred.fredex at gmail.com>

Warren, thanks for the additional info.

I assume that the yottamaster device runs Linux, just like 99% of other
such devices. as to whether it uses linux software raid or some cheap
(megaraid???) chipset, I don't know, nor know how to tell. but I'll check
that URL you sent and see what happens.

Thanks again!


On Sat, Jan 2, 2021 at 12:28 PM Warren Young <warren at etr-usa.com> wrote:

> On Jan 2, 2021, at 9:55 AM, Fred <fred.fredex at gmail.com> wrote:
> >
> > Plantronics USB headset/microphone?
> > Yottamaster RAID-1 storage (USB3)?
> > Behringer USB audio interface?
> > Logitech wireless mouse?
> > Leopold USB keyboard?
> HID devices won’t go to sleep when the computer does, else they couldn’t
> wake it back up.  (Keyboard & mouse, mainly.)
> The two audio interfaces may or may not sleep.  Try checking their
> indicator LEDs when the computer goes to sleep: I’d expect them to visibly
> show that they’ve gone to sleep if they do.  If they do, then on wake, they
> *could* do this sort of thing.
> I’d go after the RAID enclosure first, particularly if it’s hardware RAID,
> since that means it’s “clever,” thus suspect.  Check that you’ve got the
> current firmware:
>     https://www.yottamaster.com/?route=common/driver
> If it’s one of their JBOD models, requiring that you do some sort of
> software RAID, I’d expect a much different report in the kernel log if the
> corresponding software RAID component had a bug, which would mean it’s got
> some fundamental USB compatibility problem if that’s the device causing the
> problem. Again, check for firmware updates.
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