Re: sata_sil24 resetting controller...

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Jan Dittmer wrote:

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.
Hmmm.. max MWDMA2? Something is very off with your configuration. Can you try the card in another box or on a regular PCI slot? 

--
tejun
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