[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Bug#627019: several kernel hangs before geting to login



Will Set wrote:
> Jonathan Nieder wrote

>> but the boot fails in some way unless you
>> add processor.nocst=1 to the kernel command line.  
>
> Yes, 
> Adding processor.nocst=1 has always worked for me on all effected kernels I've tested so far.
[...]
>> This is on the machine with a D865GBF motherboard.
>
> No,
> This report is and always will be  Intel D865GRH mobo.

Sorry for the typo, and thanks for the corrections.

Excellent --- I suspect that udev is actually a red herring and that
_any_ code executed during the early boot process is likely to
misbehave or segfault on this machine unless processor.nocst=1 is
passed.

In other words, this looks like incorrect execution or memory
corruption during boot.  Which is consistent with a broken _CST table.

Unfortunately the acpidump you sent does not include a _CST table.
The log you sent does not include any complaints about lack of a _CST
table, though.  Puzzling.

I recommend keeping processor.nocst=1 on the kernel command line for
now.  We should report this upstream to Len Brown and the
linux-acpi@vger.kernel.org list, but I would like to delay that until
after the holidays to avoid overwhelming them.

> There is another Debian user that has an Intel D865GBF mobo  
> with a  "very" similar debian bug report filed.
>
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631597

Does disabling hyperthreading in the BIOS avoid trouble for you, too?



Reply to: