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Date: Tue, 20 May 2008 09:48:28 +0800 From: Shaohua Li <shaohua.li@...el.com> To: Plamen Petrov <pvp-lsts@...ru.acad.bg> Cc: linux-kernel@...r.kernel.org, Luca Tettamanti <kronos.it@...il.com> Subject: Re: [BISECTED] pata_jmicron: no drives found on post 2.6.25 kernels 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. Also can you please send me the 'lspci -vvvxxxx' output with/without the ASPM enabled? Thanks, Shaohua -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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