ifconfig on re0 panics Toshiba Satellite M115-S3094 with RealTek 8101E chipset

Sepherosa Ziehau sepherosa at gmail.com
Thu Dec 14 04:28:59 PST 2006

On 12/14/06, Joe Talbott <josepht at cstone.net> wrote:
Okay.  I've learned a little more about this.  If I power down the
laptop and leave it off for a few minutes then power it up, login and
ifconfig re0 ... it panics.  I got a core dump with 'call dumpsys',
'panic' didn't work.  Next I entered 'reset' at the db> prompt.  I
logged in again and ifconfig re0 ... and it panics again.  Same db>
stuff as before and reset.  This time everything hangs after ifconfig
re0 ....  Power cycle and then I can ifconfig re0 ... and pass
traffic.  I did this all again (i.e. 2 panics, a hang, then open
sesame) to verify the process.  I have uploaded the kernel and vmcore
files for the panics onto leaf.dragonflybsd.org:/home/josepht/crash/.
Two panics are in the same place (outl), so I suspect this may be the
effect of writing to some reserved hardware registers.  Please test
following patch:
Best Regards,
Live Free or Die

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