ahci timeout

Thu Jan 6 21:53:03 UTC 2011

I'm having these problems either. I'm running 8.2-PRERELEASE #0
r216555: Sun Dec 19 12:10:37.

With only one disk connected:
[FreeBSD:~] #  camcontrol devlist
<ST3808110AS PN 3.BUC>             at scbus0 target 0 lun 0 (pass1,ada0)

Everything is fine. Sometimes after reconnecting drive to other
Marvell bus and using: camcontrol reset/rescan I'm getting ahci
timeouts. But after that system runs fine.

I had problems connecting my 4xraidz1 zpool to Asus Hummingbird motherboard:
ahci0: <Marvell 88SX6121 AHCI SATA controller> on atapci0
ahci1: <Intel ICH7 AHCI SATA controller> port
0xac00-0xac07,0xa880-0xa883,0xa800-0xa807,0xa480-0xa483,0xa400-0xa41f
mem 0xfbcfbc00-0xfbcfbfff irq 21 at device 31.2 on pci0

Two disk are connected to Intel controller and another two to Marvell.
I never had done anything more than importing pool and list files.
After while I see ahci timeouts on Marvell controller.

On Wed, Dec 29, 2010 at 5:09 PM, Nikolay Denev <ndenev at gmail.com> wrote:
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> On 27 Dec, 2010, at 21:20 , Barbara wrote:
>
>>
>> As my old PATA hard disk was failing, I had to replace it with a new SATA
>> drive where I moved my FreeBSDs installations, as PATA drives are not easy to
>> find these days.
>> So I had to move one of my data drive from a VIA8237A SATA controller to the
>> last free SATA slot on a Marvell 88SX6121 to make room for the new hd.
>> The hd I moved was working perfectly when connected to the VIA controller.
>> Now, with the Marvell I'm getting messages like the following twos while using
>> the disk:
>>    ahcich0: Timeout on slot 10
>>    ahcich0: is 00000000 cs 3ffff800 ss 3ffffc00 rs 3ffffc00 tfd 50010040 serr
>> 00000000
>>
>>    ahcich0: Timeout on slot 5
>>    ahcich0: is 00000000 cs 00000180 ss 000001e0 rs 000001e0 tfd 50040040 serr
>> 00000000
>>
>> This doesn't happen regularly. For example downloading from a slow website on
>> it, so few kb/s, is ok.
>> But if I copy files from the disk attacked to the Marvell controller to
>> another another disk, or for example run md5 on some files, it's very likely to
>> happen.
>> The process accessing the disk can not be killed even with -9, ^C does
>> nothing, and umount doesn't exit.
>> If I'm copying files on it from another disk it can't be unmounted too as the
>> unkillable process has it in use.
>> On shutdown many disk doesn't get unmounted, so there are a lot of fsck on
>> boot, and on CURRENT (last built yesterday), FreeBSD enter debugger as it fail
>> flushing disk caches.
>>
>> Relevant part from dmesg:
>>
>> atapci0: <Marvell 88SX6121 UDMA133 controller> port 0xdc00-0xdc07,0xd880-
>> 0xd883,0xd800-0xd807,0xd480-0xd483,0xd400-0xd40f mem 0xfbdffc00-0xfbdfffff irq
>> 28 at device 0.0 on pci6
>> ahci0: <Marvell 88SX6121 AHCI SATA controller> on atapci0
>> ahci0: AHCI v1.00 with 2 3Gbps ports, Port Multiplier supported
>> ahcich0: <AHCI channel> at channel 0 on ahci0
>> ahcich1: <AHCI channel> at channel 1 on ahci0
>> ata2: <ATA channel 0> on atapci0
>> atapci1: <VIA 8237A SATA150 controller> port 0xbc00-0xbc07,0xb880-0xb883,
>> 0xb800-0xb807,0xb480-0xb483,0xb400-0xb40f,0xb000-0xb0ff irq 21 at device 15.0
>> on pci0
>> ata3: <ATA channel 0> on atapci1
>> ata4: <ATA channel 1> on atapci1
>> atapci2: <VIA 8237A UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,
>> 0x376,0xfc00-0xfc0f at device 15.1 on pci0
>> ata0: <ATA channel 0> on atapci2
>> ata1: <ATA channel 1> on atapci2
>>
>> ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
>> ada0: <ST31000528AS CC44> ATA-8 SATA 2.x device
>> ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
>> ada0: Command Queueing enabled
>> ada0: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C)
>> ada1 at ata3 bus 0 scbus3 target 0 lun 0
>> ada1: <WDC WD2500KS-00MJB0 02.01C03> ATA-7 SATA 2.x device
>> ada1: 150.000MB/s transfers (SATA 1.x, UDMA5, PIO 8192bytes)
>> ada1: 238475MB (488397168 512 byte sectors: 16H 63S/T 16383C)
>> ada2 at ata4 bus 0 scbus4 target 0 lun 0
>> ada2: <ST3500320AS SD1A> ATA-8 SATA 1.x device
>> ada2: 150.000MB/s transfers (SATA 1.x, UDMA5, PIO 8192bytes)
>> ada2: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C)
>> ada3 at ata0 bus 0 scbus5 target 0 lun 0
>> ada3: <MAXTOR STM3160212A 3.AAJ> ATA-7 device
>> ada3: 100.000MB/s transfers (UDMA5, PIO 8192bytes)
>> ada3: 152627MB (312581808 512 byte sectors: 16H 63S/T 16383C)
>>
>> _______________________________________________
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>
> Just to add a "me too".
>
> I'm running -STABLE but have the same problems with Marvell 88SX6121 giving "ahci timeout" messages.
>
> Regards,
> Nikolay
>
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