On Thu, Oct 14, 1999 at 01:39:58PM -0700, Tom Livingston wrote:
> Florian Lohoff wrote:
> > On Thu, Oct 14, 1999 at 05:46:36PM +0200, Florian Lohoff wrote:
> > > Hi,
> > > i am discovering reproduceable crashes with stripes of raid5s
> > >
> > > Kernel 2.2.12 + raid0145-19990824-2.2.11.gz
> > > raidtools 19990924
> > >
> > > Message is "Got md request" and machine freezes hard ... Console
> > > switching works but no other action.
> >
> > BTW: This happens when doing an mke2fs on the stripe when
> > both raid5s are still in "resync".
> > This happens after 2-5 seconds when starting mke2fs
>
> The machine crashes? With no OOPS? Is the machine SMP? If so, does the
> problem still happen if you run in UP mode? Either way, try compiling with
> the Magic SysRq feature (in kernel hacking) and when you get the lockup do
> the SysRq + O to cause an OOPS.. and then decode it... this will
> (hopefully?) show us where it's at.
SysRq + O does not exist in 2.2.12 it seems.
I did a bit further - Hung the machine - Couldnt log in (All Terms
hang immediatly) - Tried to reboot and when it hung at "Unmounting file..."
i got a term SysRq- Tand saw many processes stuck in the D state.
Seems something produces a deadlock (ll_rw_blk ?) and all processes
trying to access disk get stuck.
Flo
--
Florian Lohoff [EMAIL PROTECTED] +49-5241-470566
... The failure can be random; however, when it does occur, it is
catastrophic and is repeatable ... Cisco Field Notice
