RELENG_7 panic (rl driver)

Pyun YongHyeon pyunyh at gmail.com
Thu Apr 10 01:07:28 UTC 2008


On Wed, Apr 09, 2008 at 10:59:19AM -0400, Mike Tancsa wrote:
 > At 08:51 PM 3/25/2008, Pyun YongHyeon wrote:
 > >On Tue, Mar 25, 2008 at 02:44:58PM -0400, Mike Tancsa wrote:
 > > > I have a RELENG_7 box running in a netboot environment that is
 > > > crashing every few days.  I dont have a disk on it yet, so I have no
 > > > where to send the coredump.  But I hooked up a serial cable and made
 > > > it drop to debugger.  We are going to try a USB connected disk and
 > > > configure it as swap so that we can then try and drop the coredump to
 > > > it.  Any other suggestions on how to track this down ?
 > > >
 > >
 > >I guess rl(4) hardware received too long/short frame such that
 > >subsequent code in driver tried to copy recevied frame with invalid
 > >length. I don't have data sheet for rl(4) hardwares so I'm not sure
 > >how this can happen.
 > >Anyway, try attached patch.
 > 
 > Hi,
 > So far so good. The box has been running quite some time with no 
 > panic.  By now, it would have crashed a few times.  Thanks for fixing 
 > this!  Hopefully, it can be committed to the tree and eventually MFC'd.
 > 
 >         ---Mike
 > 

Thanks for testing! Patch committed to HEAD(if_rl.c rev 1.174).

-- 
Regards,
Pyun YongHyeon


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