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From: "J.C. Wren" <jcwren@jcwren.com>
Reply-To: jcwren@jcwren.com
To: "S. Effendi" <sef@sysgo.de>
Subject: Re: Problems with IDE CF in 2.5.69, 2.5.69-bk13
Date: Thu, 22 May 2003 22:30:13 -0400
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Soewono,

	Excellent, and thank you very much.  That fixed the ludicrous delay and such 
while coming up.  I still get the kobject_register error, however.  

	--John

On Thursday 22 May 2003 13:14 pm, you wrote:
> Hi J.C.
>
> give this a try.
>
> best regards
> Soewono
>
> J.C. Wren wrote:
> > Today I ported 2.5.69 to my embedded 386EX system, and am encountering
> > problems with the IDE handling of compact flash cards (Sandisk, Kingston,
> > and
> > a suspected Toshiba controller based card).  kobject_register is failing
> > with a -17 (EEXISTS) when registering the hda device:
> >
> > ide: Assuming 50MHz system bus speed for PIO modes; override with
> > idebus=xx hda: SunDisk SDCFB-48, CFA DISK drive
> > ide0 at 0x1f0-0x1f7,0x3f6 on irq 9
> > hda: max request size: 128KiB
> > hda: task_no_data_intr: status=0x51 { DriveReady SeekComplete Error }
> > hda: task_no_data_intr: error=0x04 { DriveStatusError }
> > hda: 93952 sectors (48 MB) w/1KiB Cache, CHS=734/4/32
> >  hda: hda1
> >  hda: hda1
> > kobject_register failed for hda1 (-17)
> > Call Trace: [<c01631bf>]  [<c0155308>]  [<c017007b>]  [<c0163a37>]
> > [<c0170060>]  [<c0177eb6>]  [<c0177e64>]  [<c0177e6c>]  [<c018afd4>]
> > [<c0187602>]  [<c01883ea>]  [<c018aff2>]  [<c0200611>]  [<c0105024>]
> > [<c0105040>]  [<c0105024>]  [<c0106dbd>]
> >
> > The .config looks like:
> >
> > CONFIG_IDE=y
> > CONFIG_BLK_DEV_IDE=y
> > # CONFIG_BLK_DEV_HD_IDE is not set
> > # CONFIG_BLK_DEV_HD is not set
> > CONFIG_BLK_DEV_IDEDISK=y
> > CONFIG_IDEDISK_MULTI_MODE=y
> > # CONFIG_IDEDISK_STROKE is not set
> > # CONFIG_BLK_DEV_IDECD is not set
> > # CONFIG_BLK_DEV_IDEFLOPPY is not set
> > # CONFIG_IDE_TASK_IOCTL is not set
> > # CONFIG_BLK_DEV_CMD640 is not set
> >
> > The CF card is connected directly to the bus through a couple of latches
> > (i.e., not using a CMD640 or PCI chipset or anything).  There is no DMA.
> > The hardware is fully functional, as I've been using the 2.2.12 kernel
> > driver for a couple of years (although I've always gotten the status=0x51
> > that IDEDISK_MULTI_MODE is suggested for).
> >
> > The Sandisk and Kingston come up pretty quickly.  The third card, which
> > apparently has no embedded ID, hangs the system about 60 seconds, before
> > continuing with the same error.  I've tried hda=slow, and all the
> > permutation I can think of that would make any sense.
> >
> > I saw a few reports but no resolution against the 2.4.60-ac kernels. 
> > I've also applied the bk13 patches against 2.5.69 in hopes that there
> > might be some resolution there.
> >
> > I'm prefectly willing to give anything anyone suggests a try.  Are there
> > any additional debugging options I can/should turn on that would help
> > anyone debug this issue?
> >
> > --John
> >
> >
> > -
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