TIMEOUT - WRITE_DMA retrying (2 retries left)

[Oleksiy Yakimovych]

Hi Steve,

As far as I know this is not a hardware problem.
Probably there is such DMA problem in 5.3.
Read freebsd-stable mail archive. And I think the problem is not only
with 
SATA driver.
So, probably we should wait for a fix :)

Regards,
Alexei

"Steve" <news647 at powersystemsdirectme.com> wrote in message 
news:10sgt51ir4op035 at corp.supernews.com...
> Ok, using a new motherboard, ASUS A7V600-X, was using a A7V133. Same
CPU, 
> same disk drives.
>
> On the old motherboard, I never ever had this message.
>
> On the new motherboard, I get it every few hours. Sample logs at the
end.
>
> This is on FreeBSD 5.2.1. I see old messages about this around the
net, in 
> most every case, people have their machine lock up. There were
suggestions 
> this was a drive issue, not likely as it works on the old motherboard.

> Also, I saw other people who switched machines and the problem went
away. 
> But, I have yet to lock or fail. I saw others who said their files get

> corrupted, so far, have not seen that happen either. We HAVE seen one 
> machine who loses connections to Samba hosted files on this server,
but 
> only one machine, so that may be unrelated.
>
> So, I guess my question is this - is there a workaround, software
wise? 
> Does anyone have this message but not any problems? Any other clues as
to 
> why this happens? Suggestions? Is it likely an upgrade to 5.3 will
cause 
> this to go away, any specific fixes that may affect this? Anyone else
have 
> the A7V600-X motherboard and does NOT have this issue?
>
> Please remove the trailing "me" on my email address if you wish to
reply 
> directly to me on the email address, the domain as is will not work!
>
> Steve
>
>
> ad0: 114473MB <WDC WD1200JB-00FUA0> [232581/16/63] at ata0-master
UDMA100
> GEOM: create disk ad1 dp=0xc6b24c60
>
> atapci1: <VIA 8237 UDMA133 controller> port 0xa800-0xa80f irq 14 at
device 
> 15.1 on pci0
> ata0: at 0x1f0 irq 14 on atapci1
> ata0: [MPSAFE]
>
>
> Dec 21 02:58:23 linux kernel: ad0: TIMEOUT - WRITE_DMA retrying (2
retries 
> left) LBA=287
> Dec 21 07:04:02 linux kernel: ad0: TIMEOUT - WRITE_DMA retrying (2
retries 
> left) LBA=122872179
> Dec 21 09:37:57 linux kernel: ad0: TIMEOUT - WRITE_DMA retrying (2
retries 
> left) LBA=122841791
> Dec 21 10:05:17 linux kernel: ad0: TIMEOUT - WRITE_DMA retrying (2
retries 
> left) LBA=3749759
> Dec 21 11:02:33 linux kernel: ad0: TIMEOUT - WRITE_DMA retrying (2
retries 
> left) LBA=3885087
> Dec 21 11:03:44 linux kernel: ad0: TIMEOUT - WRITE_DMA retrying (2
retries 
> left) LBA=3623135
> Dec 21 11:05:04 linux kernel: ad0: TIMEOUT - WRITE_DMA retrying (2
retries 
> left) LBA=3885087
>
>