[Crash-utility] Crash physical search on live session not recommended :-)

Bob Montgomery bob.montgomery at hp.com
Tue Mar 1 01:05:53 UTC 2011


On Tue, 2011-03-01 at 00:13 +0000, Montgomery, Bob wrote:
> On Mon, 2011-02-28 at 21:59 +0000, Dave Anderson wrote:
> > 
> > ----- Original Message -----
> > > On Thu, 2011-02-24 at 15:18 +0000, Dave Anderson wrote:
> > > >
> > > > ----- Original Message -----
> > > > > While testing my search patch, I kicked off an unconstrained physical
> > > > > search on a live session and hung the machine so thoroughly that it
> > > > > required a visit to the machine room to physically unplug it to get the
> > > > > remote console back up. Coincidence? Or should physical address search
> > > > > on a live session be constrained somehow for safety?

> 
> I'm guessing that's bad :-)  I'll implement the rejector code in the
> physical search, and see if I can avoid a trip to the machine room.

Something like this?  It seems to be surviving physical searches on my
live session now.  Any reason this would thwart the purpose of the
physical search in any way?  "But I wanted to search pci space..."

Bob Montgomery
-------------- next part --------------
A non-text attachment was scrubbed...
Name: crash_protect_physical.patch
Type: text/x-patch
Size: 823 bytes
Desc: not available
URL: <http://listman.redhat.com/archives/crash-utility/attachments/20110228/8aa14c27/attachment.bin>


More information about the Crash-utility mailing list