lockups
Jason King
jasonking at sbcglobal.net
Mon May 24 21:41:32 PDT 2004
John Baldwin wrote:
>On Sunday 23 May 2004 12:30 am, Jason King wrote:
>
>
>>John Baldwin wrote:
>>
>>
>>>On Friday 14 May 2004 08:54 pm, Jason King wrote:
>>>
>>>
>>>>ok i'm a dumbass... in my haste this morning, i commented out the wrong
>>>>line in my config file, so when i tried disabling mixed mode, apic
>>>>support wasn't even compiled in the kernel. So to make extra sure, I
>>>>went back and explicitly tried it with the 5.2.1-RELEASE cd (disabling
>>>>apic worked, disabling mixed mode did not), so its really something
>>>>related to apic support. So next question, what can I do to track down
>>>>the problem? Any suggestions for resources to understand how the apic
>>>>stuff works? Might there be a way to grab the kernel messages even
>>>>after a reboot since the lockups don't even my to drop to the debugger?
>>>>Doing a boot -v generated a bunch of text that I couldn't read as it
>>>>scrolled by too fast, and I'm wondering if it might possibly help shed
>>>>some light as to what's going on...
>>>>
>>>>
>>>Note that you can't disable mixed mode via a tunable on 5.2.1, so you
>>>might want to retest disabling mixed mode. However, the first steps are
>>>to work on the non-ACPI case as that is easiest. I'll need 'mptable'
>>>output and dmesg output from a verbose boot with APIC enabled and ACPI
>>>disabled if you can get that. Thanks.
>>>
>>>
>>Unfortunately, booting with ACPI disabled and apic enabled still caused
>>the system to hang. So anytime apic is enabled, the system locks up.
>>(i've tried just the kernel with no modules loaded as well as with the
>>normal modules I use loaded, locks up, but in a different place). I was
>>able to pull off the output from a boot -v using a serial console. I've
>>attached that. Hopefully that helps...
>>
>>
>
>Can you provide mptable output?
>
>
>
Here is the mptable output.
-------------- next part --------------
===============================================================================
MPTable, version 2.0.15
-------------------------------------------------------------------------------
MP Floating Pointer Structure:
location: BIOS
physical address: 0x000f51f0
signature: '_MP_'
length: 16 bytes
version: 1.4
checksum: 0x84
mode: Virtual Wire
-------------------------------------------------------------------------------
MP Config Table Header:
physical address: 0x000f0d00
signature: 'PCMP'
base table length: 256
version: 1.4
checksum: 0x16
OEM ID: 'OEM00000'
Product ID: 'PROD00000000'
OEM table pointer: 0x00000000
OEM table size: 0
entry count: 25
local APIC address: 0xfee00000
extended table length: 0
extended table checksum: 0
-------------------------------------------------------------------------------
MP Config Base Table Entries:
--
Processors: APIC ID Version State Family Model Step Flags
0 0x11 BSP, usable 6 8 1 0xfbff
--
Bus: Bus ID Type
0 PCI
1 PCI
2 PCI
3 ISA
--
I/O APICs: APIC ID Version State Address
2 0x11 usable 0xfec00000
--
I/O Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN#
INT active-lo level 2 0:A 2 19
INT active-lo level 1 7:A 2 19
ExtINT conforms conforms 3 0 2 0
INT conforms conforms 3 1 2 1
INT conforms conforms 3 0 2 2
INT conforms conforms 3 3 2 3
INT conforms conforms 3 4 2 4
INT conforms conforms 3 5 2 5
INT conforms conforms 3 6 2 6
INT conforms conforms 3 7 2 7
INT active-hi edge 3 8 2 8
INT conforms conforms 3 10 2 10
INT conforms conforms 3 11 2 11
INT conforms conforms 3 12 2 12
INT conforms conforms 3 13 2 13
INT conforms conforms 3 14 2 14
INT conforms conforms 3 15 2 15
--
Local Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN#
ExtINT conforms conforms 0 0:A 255 0
NMI conforms conforms 0 0:A 255 1
===============================================================================
More information about the freebsd-current
mailing list