The saga continues... ;-) I added code to explicitly clear the CHSTPE bit in the DER register. Didn't make any difference.
I'm stumped. -M On Wed, 25 Aug 2004, Mark S. Mathews wrote: > > A little more info. The hang occurs on this line: > > dummy = ((immap_t *)IMAP_ADDR)->im_clkrst.res[0]; > > Which is _supposed_ to generate a machine check I believe. > > So I guess my next step is to see if somehow the DER got set and we're > popping into debug mode instead of resetting... > > -M > > -- > > Mark S. Mathews > > AbsoluteValue Systems Web: http://www.linux-wlan.com > 721-D North Drive e-mail: mark at linux-wlan.com > Melbourne, FL 32934 Phone: 321.259.0737 > USA Fax: 321.259.0286 > > ---------- Forwarded message ---------- > Date: Wed, 25 Aug 2004 16:22:00 -0400 (EDT) > From: Mark S. Mathews <mark at linux-wlan.com> > To: linuxppc-embedded <linuxppc-embedded at lists.linuxppc.org> > Subject: m8xx hang in reboot > > Hey Folks, > > I've got an mpc850 based setup running 2.4.27 that, under certain > circumstances, hangs in the the m8xx_restart() function (instead of > rebooting) > when I issue the usermode reboot cmd. > > I've traced all through the path and confirmed that yes, it is hanging in > this > function. ;-) > > I'm still looking over the databook and what this code does. Just figured > I'd > ask around and see if anyone else has seen this behavior. > > Thanks, > -Mark > > -- > > Mark S. Mathews > > AbsoluteValue Systems Web: http://www.linux-wlan.com > 721-D North Drive e-mail: mark at linux-wlan.com > Melbourne, FL 32934 Phone: 321.259.0737 > USA Fax: 321.259.0286 > > > -- Mark S. Mathews AbsoluteValue Systems Web: http://www.linux-wlan.com 721-D North Drive e-mail: mark at linux-wlan.com Melbourne, FL 32934 Phone: 321.259.0737 USA Fax: 321.259.0286 ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
