Messages in this thread | | | Date | Fri, 13 Jan 2006 09:14:47 -0800 (PST) | From | Zwane Mwaikambo <> | Subject | Re: [2.6] Problem with PDC20265 on system with I865 chipset and PIV HT |
| |
On Fri, 13 Jan 2006, Andrew Morton wrote:
> This decode from eip onwards should be reliable > > Code; c0110471 No symbols available > 00000000 <_EIP>: > Code; c0110471 No symbols available <===== > 0: c7 05 b0 d0 ff ff 00 movl $0x0,0xffffd0b0 <===== > Code; c0110478 No symbols available > 7: 00 00 00 > Code; c011047b No symbols available > a: f0 0f b3 15 38 d6 57 lock btr %edx,0xc057d638 > Code; c0110482 No symbols available > 11: c0 > Code; c0110483 No symbols available > 12: c3 ret > Code; c0110484 No symbols available > 13: 83 .byte 0x83 > Code; c0110485 No symbols available > 14: 78 .byte 0x78 > > > That's oopsing when trying to write to the APIC: > > apic_write_around(APIC_EOI, 0); > > <cc's x86 people> > > Is there any sane way in which APIC accesses can fault, or does this > indicate bad hardware?
Without pagetable corruption no they shouldn't fault, interestingly this looks like;
http://bugzilla.kernel.org/show_bug.cgi?id=5565
Albeit with a pdc20262. Miroslaw, are there any other similarities in hardware with that bugzilla entry?
Thanks, Zwane
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |