Re: ahci timeout

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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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