ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=207594611

[Julian Elischer]

David Schultz wrote:
> On Sat, Sep 18, 2004, Stikheev Andrew wrote:
> 
>>[ Charset ISO-8859-1 unsupported, converting... ]
>>
>>>Stikheev Andrew wrote:
>>>
>>>>   Hi,
>>>> 
>>>>    I also have same problems, but only with SATA-disks with
>>>>   SiI 3112 SATA150 controller (check it with two controllers - onboard
>>>>   and pci) . Under heavy load on sata-disks system freezes.
>>>
>>>Thats a seprate issue with the sii3112 and your sources are way too old 
>>>to compare with a new -current.
>>>You sii3112 timeouts should actually be fixed now :)
>>
>>  
>>   Hmm, I update system to last -current(16 Sep), no freezes yet, 
>>   but too many messages like this:
>>
>>ad0: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=3526743
>>ad0: WARNING - WRITE_DMA no interrupt but good status
> 
> [...]
> 
>>ad4: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=89221071
>>ad6: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=114679887
>>ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=114679887
> 
> 
> FWIW, I've been seeing the same problem---WRITE_DMA timeouts on
> ad4 and ad6, and both write and read timeouts on ad0.  The problem
> occurs for 6-CURRENT as of 9/14.  It does not occur for BETA4.
> I can try to narrow this down further if needed.  Here's some
> information about the machine, which has ad4 and ad6 mirrored via ccd(4):

make sure you have preemption turned off.

> 
> atapci0: <Intel ICH5 UDMA100 controller> port 0xffa0-0xffaf,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0
> ata0: channel #0 on atapci0
> ata1: channel #1 on atapci0
> atapci1: <Intel ICH5 SATA150 controller> port 0xdc00-0xdc0f,0xe000-0xe003,0xe400-0xe407,0xe800-0xe803,0xec00-0xec07 irq 18 at device 31.2 on pci0
> ata2: channel #0 on atapci1
> ata3: channel #1 on atapci1
> [...]
> ad0: 190782MB <WDC WD2000JB-00DUA3/75.13B75> [387621/16/63] at ata0-master UDMA100
> ad4: 35304MB <WDC WD360GD-00FNA0/35.06K35> [71730/16/63] at ata2-master SATA150
> ad6: 35304MB <WDC WD360GD-00FNA0/35.06K35> [71730/16/63] at ata3-master SATA150
> 
> das at VARK:/home/t/freebsd/vark/src/usr.bin/systat> vmstat -i
> interrupt                          total       rate
> irq1: atkbd0                       17607          3
> irq4: sio0                             2          0
> irq6: fdc0                            10          0
> irq8: rtc                         734353        127
> irq12: psm0                         3332          0
> irq13: npx0                            1          0
> irq14: ata0                       278748         48
> irq18: em0 uhci2+                 485861         84
> irq19: pcm0 uhci1                      2          0
> irq0: clk                         573674         99
> Total                            2093590        364
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