ata FLUSHCACHE timeout errors? [patch]
Miroslav Lachman
000.fbsd at quip.cz
Tue May 5 07:49:21 UTC 2009
Mark Powell wrote:
> On Wed, 15 Apr 2009, James R. Van Artsdalen wrote:
>
>> James R. Van Artsdalen wrote:
>>
>>> I am getting many FLUSHCACHE timeout errors during "zfs recv"
>>> operations.
>>
>>
>> This patch fixes this. PR to be filed.
>> In addition this causes any ata request that times out to print the
>> timeout, since it's going to be the timeout itself that's likely wrong.
>
>
> This is well known and had been repeated ad. inf.. Problem is, it never
> got addressed:
>
> http://wiki.freebsd.org/JeremyChadwick/ATA_issues_and_troubleshooting
>
> Attached is an 8-CURRENT patch which makes the ata timeout a tuneable.
> Shamelessy ripped off the FreeNAS patch on the above url.
> Cheers.
Is there any possibility to have it committed in to the tree? It seems
useful, I have timeout problems [READ_DMA timed out] on few machines and
this (tunable / longer timeout) should definitely fix it.
Miroslav Lachman
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