On Wed, Jul 16, 2008 at 05:59:16PM +0200, Bartlomiej Zolnierkiewicz wrote:
>
> Hi,
>
> On Tuesday 15 July 2008, Borislav Petkov wrote:
>
> [...]
>
> > On a different note, the current pata tree on top of v2.6.25-2125-g50515af blows
> > up here with the following error:
> >
> > [ 4.296729] Uniform Multi-Platform E-IDE driver
> > [ 4.297905] ICH4: IDE controller (0x8086:0x24cb rev 0x02) at PCI slot 0000:00:1f.1
> > [ 4.297986] ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 18
> > [ 4.298153] ICH4: not 100% native mode: will probe irqs later
> > [ 4.298213] ide0: BM-DMA at 0xfc00-0xfc07
> > [ 4.298282] ide1: BM-DMA at 0xfc08-0xfc0f
> > [ 4.561768] hda: QUANTUM FIREBALLlct10 20, ATA DISK drive
> > [ 4.816724] hdb: SAMSUNG SP2014N, ATA DISK drive
> > [ 4.867959] hda: drive side 80-wire cable detection failed, limiting max speed to UDMA33
> > [ 4.868027] hda: UDMA/33 mode selected
> > [ 4.868441] hdb: UDMA/100 mode selected
> > [ 5.540683] hdc: IOMEGA ZIP 100 ATAPI, ATAPI FLOPPY drive
> > [ 5.795564] hdd: IC35L120AVV207-0, ATA DISK drive
> > [ 5.847295] hdd: host side 80-wire cable detection failed, limiting max speed to UDMA33
> > [ 5.847362] hdd: UDMA/33 mode selected
> > [ 5.847715] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> > [ 5.855487] ide1 at 0x170-0x177,0x376 on irq 15
> > [ 5.875927] ide_generic: please use "probe_mask=0x3f" module parameter for probing all legacy ISA IDE ports
> > [ 5.876012] ide_generic: I/O resource 0x1F0-0x1F7 not free.
> > [ 5.876074] ide_generic: I/O resource 0x170-0x177 not free.
> > [ 11.342504] hde: no response (status = 0xa1), resetting drive
> > [ 17.206535] hdf: no response (status = 0xa1), resetting drive
>
> hde? hdf?
>
> [...]
yep, looks strange to me too. Isn't that the MAX_HWIFS upper bound of a loop.. ?
>
> > I tracked the error down to the call to ide_register_port(hwif) in
> > ide-probe.c:ide_host_register() which does device_register(&hwif->gendev) and
> > the hwif->gendev->kobj seems unitialized thus the WARN_ON on its refcount in
> > kref_get(). Will look into it more when i get some free time.
>
> Unfortunately I couldn't reproduce this problem here (2.6.26 + pata tree)
> so please try to debug it and/or narrow it down to the guilty change.
Will do.
> > --
> > From: Borislav Petkov <petkovbb@xxxxxxxxx>
> >
> > Check the correct flags-location for set features.
> >
> > Signed-off-by: Borislav Petkov <petkovbb@xxxxxxxxx>
>
> Thanks, I folded the fix into original patch (->dev_flags is not yet
> upstream so -stable fix shouldn't be necessary).
>
> While on it: I later noticed that there will be also need for common
> ATA/ATAPI ->dev_flags in the future so I wonder whether current
> ->dev_flags should be renamed to ->atapi_flags (& s/*DFLAG*/*AFLAG*/).
>
> If there is agreement on this I'll fix it in pata tree.
... or if there's room, use a single ->dev_flags for all possible flag settings?
--
Regards/Gruß,
Boris.
--
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
