On Wed, 13 Dec 2006, Chris Wright wrote:
> * dean gaudet ([email protected]) wrote:
> > just for the public record (i already communicated with Jan in private
> > mail on this one)... i have a box which hangs hard starting at 2.6.18.2
> > and 2.6.19 -- hangs hard during the intel hw rng tests (no sysrq
> > response). and the hang occurs prior to the printk so it took some
> > digging to figure out which module was taking out the system.
> >
> > Jan's patch gets the box past the hang... it seems like this should be in
> > at least the next 2.6.19.x stable (and if there's going to be another
> > 2.6.18.x stable then it should be included there as well).
>
> Thanks for the data point. I wonder if you get SMI and never come back.
> Do you boot with no_fwh_detect=1 or -1?
with the patch it boots perfectly without any command-line args.
without the patch it crashes after the "4" and before the "5" in this
hacked up segment of the code:
if (!(fwh_dec_en1_val & FWH_F8_EN_MASK))
pci_write_config_byte(dev,
fwh_dec_en1_off,
fwh_dec_en1_val | FWH_F8_EN_MASK);
if (!(bios_cntl_val &
(BIOS_CNTL_LOCK_ENABLE_MASK|BIOS_CNTL_WRITE_ENABLE_MASK)))
pci_write_config_byte(dev,
bios_cntl_off,
bios_cntl_val | BIOS_CNTL_WRITE_ENABLE_MASK);
printk(KERN_INFO "intel-rng: 4\n");
writeb(INTEL_FWH_RESET_CMD, mem);
printk(KERN_INFO "intel-rng: 5\n");
-dean
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