Bug#632734: Strange
On 21/07/11 08:10 PM, Ben Hutchings wrote:
> Please always cc the bug address when replying to bug-related mails.
>
> On Sat, 2011-07-16 at 09:54 -0400, Frank McCormick wrote:
>> On 11/07/11 12:12 AM, Ben Hutchings wrote:
>>> On Tue, 2011-07-05 at 17:29 -0400, Frank wrote:
>>>> On 05/07/11 04:23 PM, Ben Hutchings wrote:
>>>>> On Tue, Jul 05, 2011 at 02:48:26PM -0400, Frank M wrote:
>>>>>> I find it strange that the PAE kernel is the ONLY one which gives me
>>>>>> any trouble.
>>>>>> I guess it could be hardware related, but 2.6.38-1 and 2.6.38-2
have both been
>>>>>> booting fine for months.
>>>>>> Is there something about the PAE series that would uncover
hardware faults which
>>>>>> may have existed for a long time ?
>>>>>
>>>>> Have you tried booting those earlier versions recently?
>>
>>>>
>>>> Yes I've been booting them everyday for the past month or so
- the
>>>> PAE series is the first time in years, literally, that I have had
>>>> problems like this.
>>>
>>> We have provided kernel packages using PAE for a long time, previously
>>> labelled as '686-bigmem'. You can test linux-image-2.6.38-2-686-bigmem
>>> to check whether this bug is related to use of PAE. However, I
think it
>>> is probably due to a change between Linux 2.6.38 and 2.6.39.
>>
>> Well I **think** the bigmem kernel now is actually the PAE
kernel. I
>> installed the bigmem kernel and it turned out to be the troublesome PAE
>> version.
>
> Right. It has been renamed because it is now the only '686' flavour,
> but has different hardware requirements from the old '686' flavour. I
> believe the processor in your computer should support this, but could
> you confirm what model you have (look at the file /proc/cpuinfo)?
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 15
> model : 2
> model name : Intel(R) Pentium(R) 4 CPU 2.60GHz
> stepping : 9
> cpu MHz : 2593.138
> cache size : 512 KB
> physical id : 0
> siblings : 2
> core id : 0
> cpu cores : 1
> apicid : 0
> initial apicid : 0
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 2
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pebs bts
cid xtpr
> bogomips : 5186.27
> clflush size : 64
> cache_alignment : 128
> address sizes : 36 bits physical, 32 bits virtual
> power management:
>
> processor : 1
> vendor_id : GenuineIntel
> cpu family : 15
> model : 2
> model name : Intel(R) Pentium(R) 4 CPU 2.60GHz
> stepping : 9
> cpu MHz : 2593.138
> cache size : 512 KB
> physical id : 0
> siblings : 2
> core id : 0
> cpu cores : 1
> apicid : 1
> initial apicid : 1
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 2
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pebs bts
cid xtpr
> bogomips : 5187.60
> clflush size : 64
> cache_alignment : 128
> address sizes : 36 bits physical, 32 bits virtual
> power management:
That's it...it alledgedly supports PAE
>
> This sounds like there is some sort of hardware fault, but I can't see
> why it would only occur when using PAE. It is just possible that the
> circuitry for PAE is faulty, but I think that is only a very small part
> of the chip.
>
> Please do consider the suggestions in<http://www.bitwizard.nl/sig11/>.
Will do.
--
Cheers
Frank
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