[PlanetCCRMA] rt kernels, ho, ho, ho!

Donald Steven t6sn7gt at aim.com
Tue Jan 4 03:29:04 PST 2011


Thanks, I think I'll wait as this is the only kernel that gives me any
trouble.

Don

On 01/03/2011 10:52 PM, Fernando Lopez-Lezcano wrote:
> On 01/03/2011 07:44 PM, Fernando Lopez-Lezcano wrote:
>> On 01/03/2011 05:45 PM, Donald Steven wrote:
>>> Alas, Paul's solution to blacklist b43 didn't work for me.
>>>
>>> Using the stock kernel, towards the end of dmesg I get:
>>>
>>> [    2.202021] ata7: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>>> [    2.202095] ata9: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>>> [    2.205252] ata9.00: ATA-7: Maxtor 7Y250M0, YAR511W0, max UDMA/100
>>> [    2.205254] ata9.00: 488397168 sectors, multi 16: LBA48
>>> [    2.211148] ata9.00: configured for UDMA/100
>>> [    2.211342] ata7.00: ATA-8: WDC WD3200AAKS-00V1A0, 05.01D05, max
>>> UDMA/133
>>> [    2.211345] ata7.00: 625142448 sectors, multi 16: LBA48 NCQ
>>> (depth 31/32)
>>> [    2.218071] ata7.00: configured for UDMA/133
>>>
>>> With the CCRMA kernel, it hangs at this point and goes around and
>>> arounf
>>> two or three ata#s (like ata3 and ata12) with messages that include:
>>>
>>> ata12:000:device reported invalid CHS sector 0
>>
>> And then just stops?
>>
>>> Any ideas?
>>
>> Maybe the kernel is just too old for your hardware. This is 2.6.33 and
>> it may have a bug or may not be handling properly the disk interface
>> (Fedora's kernel is 2.6.35).
>
> For example see:
> http://www.gossamer-threads.com/lists/gentoo/user/209700
>
> A suggestion would be to go into the BIOS and change the mode of the
> hard disk interface from AHCI to (maybe) legacy or something like that
> (which is a suggestion in that thread).
>
> But of course if you don't really need the rt kernel you can always
> work with the Fedora one and wait for a newer rt patch to be released
> (apparently the next one will be for 2.6.37). That is probably what I
> would do - unless you have backups I would not experiment too much
> with the hard disk interface :-)
>
> -- Fernando



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