[mythtv-users] IOBOUND errors after kernel upgrade from 2.6.31 to 2.6.32

Calvin Harrigan charriglists at bellsouth.net
Wed Apr 28 14:20:44 UTC 2010


On 4/28/2010 10:09 AM, John Drescher wrote:
> On Wed, Apr 28, 2010 at 9:20 AM, freedenizen<freedenizen at gmail.com>  wrote:
>> On Tue, Apr 27, 2010 at 9:07 PM, Tom Dexter<digitalaudiorock at gmail.com>  wrote:
>>> Just to be clear:  I upgrade kernels by copying my previous .config
>>> file to the new kernel source directory and using "make oldconfig".
>>> So generally the only differences tend to be with new features.
>>
>> to quote the gentoo kernel upgrade guide:
>> http://www.gentoo.org/doc/en/kernel-upgrade.xml#doc_chap10
>>
>> "It is sometimes possible to save time by re-using the configuration
>> file from your old kernel when configuring the new one. Note that this
>> is generally unsafe -- too many changes between every kernel release
>> for this to be a reliable upgrade path.
>> The only situation where this is appropriate is when upgrading from
>> one Gentoo kernel revision to another. For example, the changes made
>> between gentoo-sources-2.6.9-r1 and gentoo-sources-2.6.9-r2 will be
>> very small, so it is usually OK to use the following method."
>>
>> So, this may not be the problem, but copying .config files, even
>> between minor kernel releases is not recommended and may cause
>> unintended side effects.
>
> I have never experienced any problems with this in at least 500 kernel
> compiles this way on 50+ gentoo machines in the last 6 years so it's
> not like problems are highly likely to occur.
>
> For the OP I would just try the 2.6.33 kernel.
>
> John

Ditto, been using 'make oldconfig' since kernel 2.4.x, don't remember 
using it for 2.0 or 2.2, but the kernels were so much smaller then.


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