Re: libata Promise driver regression 2.6.5->2.6.6

[Brad Campbell <brad-UPaTOFvTz1K6c6uEtOJ/EA@public.gmane.org>]

Jeff Garzik wrote:
 > Brad Campbell wrote:
 >
 >> Err.. yeah, I'm not quite sure why but a make oldconfig on my 2.6.5
 >> config did not enable apic.
 >> Rather than boot 2.6.5 noapic, I enabled apic on 2.6.6 and the dmesg
 >> compares perfectly to the 2.6.5 one, right up until it tries to probe
 >> the 9th disk where it proceeds to dma timeout and then cease to listen
 >> to anything..
 >
 >
 >
 > Although it does sound like a non-libata problem, would you be willing
 > to do a quick test, to verify that?

If you thought it might help I'd probably be willing to hang upside down from the doorframe.

 > The attached patch, against kernel 2.6.5, updates libata to the code
 > that is found in kernel 2.6.6.

Yep, see the attached dmesg.. problem followed the libata code :p(

All I did was a cp -av on my 2.6.5 tree, applied your patch, added a -testbk to the Makefile, did a
make oldconfig && make && make modules_install && reboot

Hangs for a while at the end and then spits out a dma timeout, never to recover.

my grub entry was a direct copy of the 2.6.5 one with -test added to it.

What now batman?


Brad..


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