RE: lock order reversals w/ backtrace
Hi,
Can you see if you can snap some keywords of the backtraces, like usb_xxx usbdx_xxx cam scsi or something like that.
Else I believe there are some sysctl options to prevent the final reboot somehow so that you can write down the messages.
--HPS
-----Original message-----
> From:Thomas Hoffmann <trh411@gmail.com <mailto:trh411@gmail.com> >
> Sent: Thursday 23rd January 2014 17:15
> To: freebsd-current <freebsd-current@freebsd.org <mailto:freebsd-current@freebsd.org> >
> Subject: lock order reversals w/ backtrace
>
> A few days ago I started running 11.0-CURRENT at r260971 for the first time.
>
> The last couple of times I shutdown my system I noticed 2 or 3 short "lock
> order reversal" messages with accompanying backtraces scroll by. Do these
> messages represent a problem that I should report or can I ignore them as
> debug in nature? If I should report them, how or where do these messages
> get logged? I can find no reference to them in syslog or anywhere else upon
> my subsequent reboot.
>
> I also had a couple of these messages pop up the other day while
> mounting/umounting USB thumb drives. I did not think anything of them at
> the time as the mounts/umounts completed successfully.
>
> Please advise. Thanks.
>
> -Tom
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