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

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

Matt Mackall : : Linux development and consulting
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