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

NAKAJI Hiroyuki nakaji at
Thu Sep 16 04:21:09 PDT 2004

>>>>> In <!~!AAAAAHy84c+keBtNvSKYhG5lF4jkASAA at> 
>>>>>	"Grover Lines" <grover at> wrote:

> I can reproduce these timeouts by doing heavy NFS traffic while installing a
> port or any other heavy disk usage.

On my pc98 box, there are same messages after Sep 10 kernel.

$ uname -v
FreeBSD 6.0-CURRENT #8: Fri Sep 10 14:33:10 JST 2004     root at 

On ad1, I have jailed host, and installworld to this jailed host
causes this TIMEOUT.

And my root partition is on ad0 and heavy access to /tmp (not mfs),
for example "portupgrade -a", also get same TIMEOUTs.
NAKAJI Hiroyuki

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