On 9/16/07, Tejun Heo <htejun@xxxxxxxxx> wrote: > 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? > What's the best way to tell whether it does or not? (the log says "selected mode 0x22", see below) [ 9.267682] ICH7: IDE controller at PCI slot 0000:00:1f.1 [ 9.267776] ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 16 (level, low) -> IRQ 16 [ 9.267928] ICH7: chipset revision 1 [ 9.267998] ICH7: not 100% native mode: will probe irqs later [ 9.268088] ide0: BM-DMA at 0x40a0-0x40a7, BIOS settings: hda:DMA, hdb:pio [ 9.268286] Probing IDE interface ide0... [ 9.301139] USB Universal Host Controller Interface driver v3.0 [ 9.307592] SCSI subsystem initialized [ 9.325583] libata version 2.21 loaded. [ 9.331069] Clocksource tsc unstable (delta = -127737806 ns) [ 9.333292] hda: HL-DT-ST DVDRAM GSA-T10N, ATAPI CD/DVD-ROM drive [ 9.333533] PM: Adding info for No Bus:ide0 [ 9.335577] hda: selected mode 0x22 [ 9.336161] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 -- Sergey - 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
