shr @dslextreme.com wrote:
> On Thu, Nov 20, 2008 at 2:28 AM, Emanoil Kotsev <[EMAIL PROTECTED]>
> wrote:
>
>> Bob wrote:
>>
>> > Emanoil Kotsev wrote:
>> >> Hello,
>> >>
>> >> I have a fanless board by Acrosser with Geode GX CPU. The board has a
>> >> CF slot that is seen as primary/secondary HDD in Bios. I've jumpered
>> >> to primary as I don't have a HDD attached. The card is a CF card (hda:
>> ELITE
>> >> PRO CF CARD 4GB, ATA DISK drive).
>> >> Now the problem is that the system can not boot from this card. Can
>> >> someone tell me how to debug, please.
>> >> I'm thinking that may be the bios is not supporting such a big CF
>> >> card.
>> >>
>> >> The other think is that when I boot from USB or other drive I have
>> >> this following error couple of times after that the CF card is
>> >> mounted:
>> >>
>> >> Uniform Multi-Platform E-IDE driver
>> >> cs5535 0000:00:0f.2: IDE controller (0x100b:0x002d rev 0x00)
>> >> cs5535 0000:00:0f.2: not 100% native mode: will probe irqs later
>> >> ide0: BM-DMA at 0xff00-0xff07
>> >> Probing IDE interface ide0...
>> >> hda: ELITE PRO CF CARD 4GB, ATA DISK drive
>> >> hda: host max PIO4 wanted PIO255(auto-tune) selected PIO2
>> >> hda: host side 80-wire cable detection failed, limiting max speed to
>> >> UDMA33 hda: UDMA/33 mode selected
>> >> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
>> >> hda: max request size: 128KiB
>> >> hda: 7831152 sectors (4009 MB) w/1KiB Cache, CHS=7769/16/63
>> >> hda:<4>hda: dma_timer_expiry: dma status == 0x21
>> >> hda: DMA timeout error
>> >> hda: dma timeout error: status=0x58 { DriveReady SeekComplete
>> DataRequest
>> >> } ide: failed opcode was: unknown
>> >> hda: DMA disabled
>> >> ide0: reset: success
>> >> hda1 hda2 hda3
>> >>
>> >> There was an option to pass CHS on the command line at boot time, but
>> I'm
>> >> not quite sure what the root cause is. I'm using kernel 2.6.26.2 or
>> >> 2.6.27.6, but same behaviour with both except that with 2.6.27 I can
>> not
>> >> boot some times (it hangs after reading the intrd file).
>> >>
>> >> Thank you in advance
>> >>
>> >> regards
>> >>
>> >
>> > Mmm I've done CF boot a few times but not recently, I seem to remember
>> > that some (most) CF cards or CF->IDE adapters don't play well with DMA.
>> >
>> > Try putting it in PIO mode in BIOS and there'll be a boot parameter
>> > like ide=nodma you can pass to lock the kernel to PIO but how would
>> > depend on which boot loader you're using.
>> >
>> > Sorry I can't be more help, Good luck
>>
>> Thanks a lot, precious help, I went to BIOS -> Peripherals -> IDE and
>> disabled DMA.
>> The CF disk boots now. My kernel still hangs after loading initrd from
>> time to time.
>> Do you know how I can debug this. It happens more often with 2.6.27 and
>> not that often with 2.6.26
>
>
> I'm running Debian Etch on a system with an ECS EVEm motherboard and
> booting from a Compact Flash drive connected via a CF-to-IDE card.
>
> I don't remember where I read it, but I think you can't pass ide=nodma to
> the kernel. You must add a module (and I can't remember what module it is)
> and then you don't have to pass that boot parameter.
>
> I still get those DMA errors in the boot sequence, but the system
> eventually does boot. It just takes longer. Since I leave it on all the
> time and Etch is so bug-free on this hardware, I have no problems with
> this setup.
Hello, thanks for your comment. The ide=nodma or hda=nodma really do not
work, so most probably you are correct.
Me too can live with this. It really slows down the boot process for about a
minute but once it's passed it works and that's what makes me happy.
regards
--
To UNSUBSCRIBE, email to [EMAIL PROTECTED]
with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
