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    SubjectRe: [BISECTED] pata_jmicron: no drives found on post 2.6.25 kernels
    Date
    Shaohua Li написа: 

    > 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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