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SubjectRe: aic7xxx sets CDR offline, how to reset?
> Doug Ledford writes:
> > took the device off line. So, in short, the mid layer isn't waiting
> long > enough, or when it gets sense indicated not ready it needs to
> implement a > waiting queue with a timeout to try rekicking things a
> few times and don't > actually mark the device off line until a longer
> period of time has > elasped without the device coming back.
> There is a kernel config CONFIG_AIC7XXX_RESET_DELAY_MS (default 15s).
> Would increasing it help?

This currently only effects the initial bus reset delay. If the driver
holds off commands after subsequent bus resets, it can cause undeserved
timeouts on the commands it has intentionally deferred. The mid-layer has
a 5 second delay after bus resets, but I haven't verified that this is
honored correctly during error recovery.

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