Panic when removing a SCSI device entry
freebsd-scsi at uriah.heep.sax.de
Sun May 8 20:36:38 UTC 2011
As Kostik Belousov wrote:
> > I could perhaps setup a serial console, so to get at least DDB
> > functioning if you'd like to see more details. ...
> Serial console is fine, I do want to see a backtrace.
> There is also "show cdev" command in ddb, that might provide some
> useful information.
OK, I'm setting up a DDB kernel right now, and attached an old laptop
as the console terminal. I also applied your suggested patch.
> INVARIANTS may be also useful, since the kernel might catch the
> corruption earlier.
As INVARIANTS has a performance impact, I'd like to avoid that by now.
Let's see first whether an analysis is possible without that. If not,
would it suffice to just compile kern_conf.c with INVARIANTS?
cheers, J"org .-.-. --... ...-- -.. . DL8DTL
http://www.sax.de/~joerg/ NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)
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