[Nix-dev] CFQ I/O scheduler can't boot my system

[Shea Levy]

On 09/05/2011 10:59 AM, Eelco Dolstra wrote:
> Hi,
>
> On 09/03/2011 02:41 PM, Peter Simons wrote:
>
>> this commit
>>
>>      * Use the CFQ I/O scheduler, rather than the ‘none’ scheduler.  
>> This
>>        was already the case on Linux 2.6.32, but in newer kernels the 
>> CFQ
>>        scheduler is built as a module, so all block devices got the 
>> ‘none’
>>        scheduler instead.
>>
>> breaks my boot process. The linuxPackages_2_6_38_ati kernel hangs after
>> probing the ata devices. I've reverted to an older version for now, but
>> maybe I'm not the only one who's going to have that problem?
>
> This should be fixed now (r29027, tested with Linux 2.6.35).
>
I still get this hang unless I set elevator=noop at boot. Using 
linuxPackages_2_6_39.