FreeBSD 7.2-STABLE boot freeze

Andriy Gapon avg at freebsd.org
Tue Sep 29 13:55:38 UTC 2009


on 29/09/2009 09:58 Bjorn Hellqvist said the following:
> On Mon, 28 Sep 2009, kama wrote:
> 
>>
>> On Mon, 28 Sep 2009, Andriy Gapon wrote:
>>
>>> on 28/09/2009 10:21 kama said the following:
>>>> On Fri, 25 Sep 2009, Andriy Gapon wrote:
>>>>
>>>>> on 25/09/2009 12:04 kama said the following:
>>>>>> On Thu, 24 Sep 2009, kama wrote:
>>>>>>
>>>>>>> I am currently building the source on another machine. Lets see if it will
>>>>>>> build it any better.
>>>>>> Building the the world on another machine and install it on the DL385
>>>>>> machine made it also to freeze.
>>>>> Did you still get the message about unresolved symbol?
>>>> I did not try with ACPI_DEBUG enabled.
>>>>
>>>> Another week, so I can start testing again...
>>> I did not ask that :-)
>>> I asked -  when you got your latest freeze, did you see that 'unresolved'
>>> message or not?
>> But that only appears when I enable ACPI_DEBUG.

OK, then I was thoroughly confused all this time.
I thought that the message appeared when didn't have ACPI_DEBUG.

> And yes. It stills gets the same undefined symbols. (I presume its these
> you are referring to...)
> 
> # dmesg | grep -i acpi
> Preloaded elf module "/boot/kernel/acpi.ko" at 0xc0ed31d8.
> link_elf: symbol AcpiDmDumpMethodInfo undefined
> KLD file acpi.ko - could not finalize loading
> 
> # nm -A /boot/kernel/* | fgrep AcpiDmDumpMethodInfo
> /boot/kernel/acpi.ko:         U AcpiDmDumpMethodInfo
> /boot/kernel/acpi.ko.symbols:         U AcpiDmDumpMethodInfo
> nm: /boot/kernel/linker.hints: File format not recognized
> 
> # uname -a
> FreeBSD g24.gs.pvp.se 7.2-STABLE FreeBSD 7.2-STABLE #0: Mon Sep 28
> 13:39:01 CEST 2009     root at s11.gs.pvp.se:/usr/obj/usr/src/sys/ddb  i386
> 
> # diff -ub /usr/src/sys/i386/conf/GENERIC  /usr/src/sys/i386/conf/ddb
> --- /usr/src/sys/i386/conf/GENERIC      2009-07-15 10:32:19.000000000
> +0200
> +++ /usr/src/sys/i386/conf/ddb  2009-09-28 13:25:20.000000000 +0200
> @@ -67,6 +67,10 @@
>  options        AUDIT                   # Security event auditing
>  #options       KDTRACE_HOOKS           # Kernel DTrace hooks
> 
> +options                KDB
> +options                DDB
> +options         ACPI_DEBUG
> +
>  # To make an SMP kernel, the next two lines are needed
>  options        SMP                     # Symmetric MultiProcessor Kernel
>  device         apic                    # I/O APIC
> #
> 
> 
> Its too bad that I cant get into the debugger. The server gets
> unresponsive when the freeze occurs. Is there any other option that I can
> add so it goes to the debugger?

Serial console and remote debugging perhaps?

Anyway, I'll try to see if I can reproduce undefined symbol issue here.

Not that it would matter much for resolution of your main problem (freeze).
Honestly, I have no clue about it.

-- 
Andriy Gapon


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