Re: linux-3.2.12: usb-storage: Command (unknown command) (16 bytes)

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Alan Stern wrote:
> On Sat, 31 Mar 2012, Martin Mokrejs wrote:
> 
>> 400 kB are probably banned in the list but I haven't received anything returned. :(
>> Sending to you nbow directly.
>>
>> ---
> 
>> And, as I just stopped writing on a disk and the JMicron USB-to-SATA bridge decided
>> to put i a sleep ... I am attaching a log and my .config of running kernel.
>> It contains also "unknown command" messages. Maybe same cause?
> 
> I didn't see any problems in the logs.  I don't know what those 
> "unknown" commands are, but clearly the drive understands them.

? How do you know the drive understands them?

> 
> In the future, you should not use CONFIG_USB_STORAGE_DEBUG.  Instead 
> use usbmon (see the instructions in Documentation/usb/usbmon.txt).

Thank you for your effort on this and your advice. I will if somebody wants me to do so.

Martin
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