8.0-RC1 panic attaching ppc
doconnor at gsoft.com.au
Fri Sep 25 22:55:06 UTC 2009
On Sat, 26 Sep 2009, Alan Cox wrote:
> John Baldwin wrote:
> > On Friday 25 September 2009 3:20:05 am Daniel O'Connor wrote:
> >> On Thu, 24 Sep 2009, John Baldwin wrote:
> >>> Can you try this patch perhaps:
> >>> Index: sys/amd64/isa/isa_dma.c
> >>> =================================================================
> >>>== --- isa_dma.c (revision 197430)
> >>> +++ isa_dma.c (working copy)
> >> This patch fixes the panic for me.
> >> I haven't tried printing (don't have any device handy here).
> > I wonder if pmap_extract(kernel_pmap) doesn't work with direct map
> > addresses for some reason? I kind of find that hard to believe
> > actually. Alan, the original panic was in
> > pmap_extract(kernel_pmap, ...) calls in the isa_dma code. My patch
> > that "fixes" the panic just changes them to pmap_kextract().
> Is this problem occurring on an AMD processor?
CPU: AMD Athlon(tm) II X2 240 Processor (2812.73-MHz K8-class CPU)
Origin = "AuthenticAMD" Id = 0x100f62 Stepping = 2
TSC: P-state invariant
real memory = 4294967296 (4096 MB)
avail memory = 3974762496 (3790 MB)
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
-- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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