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SubjectRe: sata_sil24 resetting controller...
Tejun Heo wrote:
>> serror=0x0[4297873.266000] sata_sil24 ata1: resetting controller...
>> [4297873.267000] ata1: status=0x50 { DriveReady SeekComplete }
>> [4297873.267000] sdc: Current: sense key=0x0
>> [4297873.267000] ASC=0x0 ASCQ=0x0
>>
>> The time between these events varies from .5s to up to 10s, resync speed is
>> pretty bad (6mb/s) but appears(!) to be working.
>> This is with vanilla 2.6.17-rc3, sata drivers built into the kernel.
>> Find below /proc/interrupts and lspci output. Boot dmesg output was washed
>> away by above messages, sorry.
>>
>> What's the cause of the error, can I ignore it or will it destroy
>> my raid eventually? I'm now about 5% through the resync process, with
>> an estimated finish in 1260 minutes.
>>
>> Thanks,
>>
>> Jan
>>
>>
>> $ lspci -vv -s 03:04.0
>> 0000:03:04.0 RAID bus controller: Silicon Image, Inc. SiI 3124 PCI-X Serial ATA Controller (rev 01)
>> Subsystem: Silicon Image, Inc.: Unknown device 7124
>> 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: 32
>> Interrupt: pin A routed to IRQ 22
>> Region 0: Memory at fa800000 (64-bit, non-prefetchable) [size=128]
>> Region 2: Memory at fa000000 (64-bit, non-prefetchable) [size=32K]
>> Region 4: I/O ports at 9400 [size=16]
>> Expansion ROM at fe900000 [disabled] [size=512K]
>> Capabilities: [64] Power Management version 2
>> Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
>> Status: D0 PME-Enable- DSel=0 DScale=1 PME-
>> Capabilities: [40] PCI-X non-bridge device.
>> Command: DPERE- ERO+ RBC=0 OST=5
>> Status: Bus=3 Dev=4 Func=0 64bit+ 133MHz+ SCD- USC-, DC=simple, DMMRBC=2, DMOST=5, DMCRS=4, RSCEM-
>
> So, slow down the PCI-X bus. It can usually be done from BIOS setup
> menu. Does your machine has a riser board which extends or changes
> orientation of PCI-X bus? Motherboard vendors describe the bus
> frequency limit when using riser boards in the manual but sometimes
> server vendors forget to set them. Heck, some of them don't even know
> what that is.


Hmm I don't have a riser card and I don't have a setting for the frequency,
nor a jumper.
I plugged the card in another slot, next to a 66MHz only card. So now I've
it working with 66MHz (checked with lspci), but my drive isn't initialized
properly anymore:

[4294690.486000] libata version 1.20 loaded.
[4294690.486000] sata_sil24 0000:03:04.0: version 0.23
[4294690.486000] ACPI: PCI Interrupt 0000:03:04.0[A] -> GSI 24 (level, low) -> IRQ 22
[4294690.487000] ata1: SATA max UDMA/100 cmd 0xF8810000 ctl 0x0 bmdma 0x0 irq 22
[4294690.487000] ata2: SATA max UDMA/100 cmd 0xF8812000 ctl 0x0 bmdma 0x0 irq 22
[4294690.487000] ata3: SATA max UDMA/100 cmd 0xF8814000 ctl 0x0 bmdma 0x0 irq 22
[4294690.487000] ata4: SATA max UDMA/100 cmd 0xF8816000 ctl 0x0 bmdma 0x0 irq 22
[4294690.800000] ata1: SATA link up 3.0 Gbps (SStatus 123)
[4294690.801000] ata1: dev 0 cfg 49:5145 82:0000 83:0000 84:0000 85:0000 86:0000 87:0000 88:0000
[4294690.801000] ata1: dev 0 ATA-0, max MWDMA2, 16514064 sectors: CHS 16383/16/63
[4294690.802000] ata1: dev 0 model number mismatch 'WDC WD3200re/sasats_li42S' != ''
[4294690.802000] ata1: dev 0 revalidation failed (errno=-19)
[4294690.802000] ata1: failed to revalidate after set xfermode
[4294690.802000] scsi2 : sata_sil24
[4294691.003000] ata2: SATA link down (SStatus 0)
[4294691.003000] scsi3 : sata_sil24
[4294691.204000] ata3: SATA link down (SStatus 0)
[4294691.204000] scsi4 : sata_sil24
[4294691.405000] ata4: SATA link down (SStatus 0)
[4294691.405000] scsi5 : sata_sil24
Can this still be a pci bus problem? I get the same error on every reboot.

Jan

ps: the raid survived :-), though it's obviously missing one disk now.
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