Re: [PATCH][2.6-mm] Fix 4G/4G X11/vm86 oops

[Zwane Mwaikambo]

On Wed, 19 Nov 2003, Matt Mackall wrote:

> On Wed, Nov 19, 2003 at 02:32:10PM -0600, Matt Mackall wrote:
> > 
> > Zwane's got a K6-2 500MHz. I've just managed to reproduce this on my
> > 1.4GHz Opteron box (with Debian gcc 3.2). Here, the "ooh la la" bit
> > doesn't help. So my suspicion is that the printk is changing the
> > timing just enough on Zwane's box that he's getting a timer interrupt
> > knocking him out of vm86 mode before he hits a fatal bit in the fault
> > handling path for 4/4. Printks in handle_vm86_trap, handle_vm86_fault,
> > do_trap:vm86_trap, and do_general_protection:gp_in_vm86 never fire so
> > there's probably something amiss in the trampoline code.
> 
> Some more datapoints:

Thanks for trying those out, i got another one to add.

> CPU          distro          compiler  video        X     result
> K6-2/500     connectiva 9    2.96      trident      4.3   reboot (zwane)
> K6-2/500     connectiva 9    3.2.2     trident      4.3   reboot (zwane)
> Opteron 240  debian unstable 3.2       S3           4.2.1 reboot
> Athlon 2100  debian unstable 3.2       radeon 7500  4.2.1 works
> P4M 1800     debian unstable 3.2       radeon m7    4.2.1 reboot

P4/Xeon 2000	Fedora Core 1	3.3.2	ATI Rage XL	4.3.0 reboot
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/