Michal Piotrowski wrote: > Sergey Dolgov pisze: >> On Wed, Sep 12, 2007 at 10:19:03PM +0200, Michal Piotrowski wrote: >>> Sergey Dolgov pisze: >>>> Hi Michal, >>>> >>>> On Wed, Sep 12, 2007 at 06:33:20PM +0200, Michal Piotrowski wrote: >>>>> Hi Sergey, >>>>> >>>>> On 11/09/2007, Sergey Dolgov <dolgovs@xxxxxxxxx> wrote: >>>>>> Hi! >>>>>> >>>>>> On my hp nx7300 laptop, 2 following scenarios can happen during bootup >>>>>> (see attachments for the full logs): the "good" one [1] and the one >>>>>> where multiple EHs lead to limiting the speed [2]. >>>>>> >>>>>> [1] one is more rare, but it seems to be persistent over reboots: once >>>>>> it happened, just rebooting the machine always results in behaviour >>>>>> like [1]. >>>>>> >>>>>> [1] results in a working cdrom from the start. An attempt to use cdrom >>>>>> after [2] happened results in even more EHs, resulting in "configured >>>>>> for PIO4", after which the cdrom is finaly working. >>>>>> >>>>>> The version I'm using is 2.6.23-rc6, but the same used to happen with >>>>>> the previous rc's, and probably with 2.6.22 too (I can check). >>>>> It would be great if you could check it. >>>> I've just built 2.6.22.6 with basically the same configuration, and >>>> the behaviour is just the same, i.e. both [1] and [2] still can >>>> happen. >>> Ok, thanks. >>> >>> BTW please check cables and PCU. >> What's a PCU? > > s/PCU/PSU - power supply unit > >> BTW, this only happens when using libata of course. The >> old CONFIG_IDE stuff works fine every time. > > This maybe one of libata weirdness (I really don't get it why some hardware > works perfectly fine with an old IDE and don't work well with libata). Hmmm... Is MWDMA2 mode used with ide driver too? -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html