Messages in this thread | | | Subject | Re: Disabling ATAPI retry? | From | Daniel Pittman <> | Date | Fri, 07 Mar 2003 15:08:02 +1100 |
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On 06 Mar 2003, Alan Cox wrote: > On Thu, 2003-03-06 at 20:58, kelleycook@wideopenwest.com wrote: >> Is there a boot parameter or a runtime command that can tell >> the linux IDE driver not to automatically retry on error. > > There isn't. You can always build a kernel set not to, but even then > it takes the drive firmware a sizeable time to retry a block.
Hrm. Is this something that is likely to be introduced at some point?
My interest lies in the fact that I use a Linux based DVD player which locked up for around twenty minutes the other night trying to read a dozen bad blocks on a DVD with a single scratch...
Being able to reduce that time lag to a minimum, even if it left the hardware delays, would be great -- even if it was only for ATAPI devices.
The biggest slowdown was the kernel retrying each block a number of times, then performing a full ATAPI bus reset before giving up.
Daniel
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