Subject: Re: panics on SS5
To: Chris Torek <torek@BSDI.COM>
From: Kurt Schreiner <ks@bambam.ub.uni-mainz.de>
List: port-sparc
Date: 09/10/1997 15:13:40
hi,
just put the following patch in my kernel (openbsd-current) and the
SS5 has "survived" for tow days now! w/o the patch it crashed at least
every night saying "panic: dvma_mapin: null page frame"....
thanks chris!
-kurt
===============================================================================
Kurt Schreiner Tel. : +49 6131 39 5134
Universitaet Mainz/Zentralbibliothek Fax. : +49 6131 39 4159
Welder Weg Mail : kurt.schreiner@uni-mainz.de
D-55128 Mainz
===============================================================================
*** cache.c.orig Tue Sep 9 09:38:46 1997
--- cache.c Tue Sep 9 09:39:45 1997
***************
*** 230,235 ****
--- 230,239 ----
pcr = lda(SRMMU_PCR, ASI_SRMMU);
pcr |= (SWIFT_PCR_ICE | SWIFT_PCR_DCE);
+ /*
+ * As mentioned in a mail from Chris Torek....
+ */
+ pcr &= ~SWIFT_PCR_BF ;
sta(SRMMU_PCR, ASI_SRMMU, pcr);
/* Now reset cache tag memory if cache not yet enabled */