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Re: CVS commit: src/sys/dev/scsipi

On Aug 9, 2013, at 12:58 , Frank Kardel <> wrote:

> Module Name:  src
> Committed By: kardel
> Date:         Fri Aug  9 19:58:44 UTC 2013
> Modified Files:
>       src/sys/dev/scsipi: ch.c
> Log Message:
> bump command timeout to 5 minutes. several
> types of changers (Overland PowerLoader, Dell
> PowerVault) have been exceeding the 100 sec
> limit aborting a perfectly (slowly) progressing
> operation.

I think the kernel should uprintf(9) a notice to the effect that it has 
exceeded some (sooner than the 5 minute timeout) threshold and that it's really 
waiting for the device. Five minutes is a very long time for a timeout 
involving nominally local I/O devices. Without some progress indicator, users 
are likely to begin beating the system up (power cycle, etc) absent some 
persuasion to be patient.

        Erik <>

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