linux-kernel - Re: 2.6.31-rc5 regression: hd don't show up

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Date:	Mon, 05 Oct 2009 11:59:15 +0200
From:	Tim Blechmann <tim@...ngt.org>
To:	Tejun Heo <tj@...nel.org>
CC:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: 2.6.31-rc5 regression: hd don't show up

>> since i have this kernel running, i didn't see any of these messages,
>> still, my hds always showed up ...
>> not sure, if this is related to your patch or if the buggy behavior,
>> just didn't occur ...
> 
> Can you please reboot several times and see whether libata probing
> messages show anything interesting?

unfortunately, i didn't see any libata related messages, which could be 
of interest ... 
the relevant part looks mostly like this:

[    1.575438] libata version 3.00 loaded.
[    2.000903] ata_piix 0000:00:1f.2: version 2.13
[    2.000916] ata_piix 0000:00:1f.2: PCI INT B -> GSI 20 (level, low) -> IRQ 20
[    2.000978] ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
[    2.001212] ata_piix 0000:00:1f.2: setting latency timer to 64
[    2.001255] scsi0 : ata_piix
[    2.001372] scsi1 : ata_piix
[    2.002491] ata1: SATA max UDMA/133 cmd 0xa000 ctl 0x9c00 bmdma 0x9480 irq 20
[    2.002555] ata2: SATA max UDMA/133 cmd 0x9880 ctl 0x9800 bmdma 0x9488 irq 20
[    2.002628] ata_piix 0000:00:1f.5: PCI INT B -> GSI 20 (level, low) -> IRQ 20
[    2.002691] ata_piix 0000:00:1f.5: MAP [ P0 -- P1 -- ]
[    2.002920] ata_piix 0000:00:1f.5: setting latency timer to 64
[    2.002951] scsi2 : ata_piix
[    2.003034] scsi3 : ata_piix
[    2.004126] ata3: SATA max UDMA/133 cmd 0xb000 ctl 0xac00 bmdma 0xa480 irq 20
[    2.004188] ata4: SATA max UDMA/133 cmd 0xa880 ctl 0xa800 bmdma 0xa488 irq 20
[    2.516133] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    2.519253] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    2.536470] ata3.00: ATA-7: SAMSUNG HD753LJ, 1AA01112, max UDMA7
[    2.536536] ata3.00: 1465149168 sectors, multi 16: LBA48 NCQ (depth 0/32)
[    2.556453] ata4.00: ATA-8: SAMSUNG HD501LJ, CR100-12, max UDMA7
[    2.556528] ata4.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 0/32)
[    2.556843] ata3.00: configured for UDMA/133
[    2.576492] ata4.00: configured for UDMA/133
[    2.856006] ata2.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    2.856081] ata2.01: SATA link down (SStatus 0 SControl 300)
[    2.856305] ata1.00: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[    2.856373] ata1.01: SATA link down (SStatus 0 SControl 300)
[    2.856437] ata1.01: link offline, clearing class 3 to NONE
[    2.876344] ata1.00: ATAPI: TSSTcorp CDDVDW SH-S223B, SB01, max UDMA/100
[    2.876716] ata2.00: ATA-7: SAMSUNG HD103UJ, 1AA01118, max UDMA7
[    2.876782] ata2.00: 1953525168 sectors, multi 16: LBA48 NCQ (depth 0/32)
[    2.896332] ata2.00: configured for UDMA/133
[    2.916132] ata1.00: configured for UDMA/100

not sure, what this means, though ...

tim

-- 
tim@...ngt.org
http://tim.klingt.org

Just what the hell is the experimental tradition?
  Morton Feldman


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