Tejun Heo wrote:
> Berck E. Nash wrote:
>> [ 68.242305] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>> [ 98.221334] ata2.00: qc timeout (cmd 0xec)
>> [ 98.225467] ata2.00: failed to IDENTIFY (I/O error, err_mask=0x104)
>> [ 108.063137] ata2: port is slow to respond, please be patient (Status 0x80)
>> [ 131.003980] ata2: port failed to respond (30 secs, Status 0x80)
>> [ 131.009930] ata2: COMRESET failed (device not ready)
>> [ 131.014926] ata2: hardreset failed, retrying in 5 secs
>> [ 138.308717] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>> [ 138.319554] ata2.00: ATA-6, max UDMA/133, 640 sectors: LBA
>> [ 138.325157] ata2.00: ata2: dev 0 multi count 1
>> [ 138.334245] ata2.00: configured for UDMA/133
> [--snip--]
>> [ 143.191590] scsi 2:0:0:0: Direct-Access ATA Config Disk RGL1 PQ: 0 ANSI: 5
>> [ 143.199761] SCSI device sdd: 640 512-byte hdwr sectors (0 MB)
>> [ 143.205550] sdd: Write Protect is off
>> [ 143.209257] SCSI device sdd: write cache: disabled, read cache: enabled, doesn't support DPO or FUA
>> [ 143.218356] SCSI device sdd: 640 512-byte hdwr sectors (0 MB)
>> [ 143.224143] sdd: Write Protect is off
>> [ 143.227847] SCSI device sdd: write cache: disabled, read cache: enabled, doesn't support DPO or FUA
>> [ 143.236927] sdd: unknown partition table
>> [ 143.241194] sd 2:0:0:0: Attached scsi disk sdd
>> [ 143.245707] sd 2:0:0:0: Attached scsi generic sg3 type 0
>
> Ahh.. I can't believe I missed this again. A Port Multiplier is
> attached to your ata2 which is probably a sil3726 or 4726. Why this
> device fails initial reset is unknown yet. Anyways, with proper PMP
> support, this problem will go away. So, this isn't really a ahci issue
> and there's nothing wrong with your disks either. I'll ask SIMG why
> this happens with the PMP.
Hrm. It's not a Silicon Image chip, or at least doesn't claim to be:
00:1f.2 SATA controller: Intel Corporation 82801GR/GH (ICH7 Family)
Serial ATA Storage Controller AHCI (rev 01) (prog-if 01 [AHCI 1.0])
Subsystem: ASUSTeK Computer Inc. Unknown device 2606
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin B routed to IRQ 316
Region 0: I/O ports at e400 [size=8]
Region 1: I/O ports at e080 [size=4]
Region 2: I/O ports at e000 [size=8]
Region 3: I/O ports at dc00 [size=4]
Region 4: I/O ports at d880 [size=16]
Region 5: Memory at febfb800 (32-bit, non-prefetchable) [size=1K]
Capabilities: [80] Message Signalled Interrupts: Mask- 64bit-
Queue=0/0 Enable+
Address: fee0300c Data: 4179
Capabilities: [70] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
And, remember, this behavior started in 2.6.18 and didn't exist in
2.6.17. Would it help if I narrowed down which patch caused it?
Berck
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