Re: [BUG] 2.6.24 refuses to boot - ATA problem?

[Daniel Hazelton]

On Saturday 02 February 2008 18:40:55 Chris Rankin wrote:
> Hi,
>
> I have tried to boot a 2.6.24 kernel on my 1 GHz Coppermine / 512 MB RAM
> PC. (This is without the nmi_watchdog=1 option.) However, the ATA layer is
> failing to initialise:
>
<snip>
> Driver 'sd' needs updating - please use bus_type methods
> scsi0 : ata_piix
> scsi1 : ata_piix
> ata1: PATA max UDMA/100 cmd 0x1f0 ctl 0x3f6 bmdma 0xa800 irq 14
> ata2: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0xa808 irq 15
> ata1.00: ATA-4: ST320420A, 3.12, max UDMA/66
> ata1.00: 39851760 sectors, multi 16: LBA
> ata1.00: configured for UDMA/66
> ata2.00: ATAPI: Pioneer DVD-ROM ATAPIModel DVD-116  0122, E1.22, max
> UDMA/66 ata2.01: ATAPI: SONY    CD-RW  CRX145E, 1.0b, max UDMA/33
> ata2.00: configured for UDMA/66
> ata2.01: configured for UDMA/33
> scsi 0:0:0:0: Direct-Access     ATA      ST320420A        3.12 PQ: 0 ANSI:
> 5 sd 0:0:0:0: [sda] 39851760 512-byte hardware sectors (20404 MB)
> sd 0:0:0:0: [sda] Write Protect is off
> sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't
> support DPO or FUA sd 0:0:0:0: [sda] 39851760 512-byte hardware sectors
> (20404 MB)
> sd 0:0:0:0: [sda] Write Protect is off
> sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't
> support DPO or FUA sda:<4>ehci_hcd 0000:03:0d.2: Unlink after no-IRQ? 
> Controller is probably using the wrong IRQ. ata1.00: exception Emask 0x0
> SAct 0x0 SErr 0x0 action 0x2 frozen
> ata1.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in
>          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
> ata1.00: status: { DRDY }
> ata1: soft resetting link
> ata1.00: configured for UDMA/66
> ata1: EH complete
> ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
> ata1.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in
>          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
> ata1.00: status: { DRDY }
> ata1: soft resetting link
> ata1.00: configured for UDMA/66
> ata1: EH complete
> SysRq : Emergency Sync
> Emergency Sync complete
> SysRq : Emergency Remount R/O
> Emergency Remount complete
> SysRq : Resetting

This error is what I mentioned in a post yesterday that mentioned several 
errors I've seen with a recent kernel built from linus' git.

The only difference is that here the kernel starts at UDMA/133 and devolves 
all the way down to PIO0 before spinning forever at that. A fully "cold" boot 
(ie: removing all power from the system for a period of several minutes and 
then powering it back on) seems to fix this problem.

I've got a kernel here built from git b036555adc but I haven't tested it yet. 
If the problem still occurs with it, I'll try to get a copy of the output 
posted here. 

DRH

-- 
Dialup is like pissing through a pipette. Slow and excruciatingly painful.
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