Re: [BISECTED] pata_jmicron: no drives found on post 2.6.25 kernels

[Plamen Petrov]

Shaohua Li ÐÐÐÐÑÐ: 

> On Tue, 2008-05-20 at 01:37 +0300, Plamen Petrov wrote:
> > Hello, folks!  
> >
> > After 2.6.26 merge window opened, the optical drives in my
> > computer, hanging off a JMicron controler were not detected
> > by linux any more.  
> >
> > Luca Tettamanti reported similar troubles:
> > http://marc.info/?l=linux-kernel&m=120958791323911&w=2  
> >
> > Its been 20 days, so I decided to bisect.
> > git bisect revealed that commit
> > 7d715a6c1ae5785d00fb9a876b5abdfc43abc44b
> > is the one causing pata_jmicron to fail to detect drives,
> > connected to the JMicron controler on my motherboard.
> > At least in my case, anyway...
> > Changing kernel config to CONFIG_PCIEASPM=n makes the drives
> > attached to the JMicron SATA/PATA controller usable again. 
> When you enable this option, did you change any ASPM policy? By default,
> we are using the BIOS setting, so it shouldn't change any thing. 

No, I did not change any ASPM policy, mainly because I do not how. 

> Also can you please send me the 'lspci -vvvxxxx' output with/without the
> ASPM enabled? 

Checkout the attached files. Sorry for the delay - I was away from the
machine in question. 

> Thanks,
> Shaohua 

Thanks for your time,
Plamen 

--
Plamen Petrov, network & system administrator
Filial - Silistra
RU "Angel Kantchev"
http://fs.ru.acad.bg/
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