Re: System hangs with weak USB cable

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On Tue, Feb 23, 2016 at 07:40:15PM +0100, Radosław Warowny wrote:
> > In the future, please include the information in the email, so that
> > people don't have to dig it out from a web site.
> 
> Thanks for suggestion
> 
> > Use a better cable, nothing we can do about broken hardware, sorry :)
> 
> Maybe we can do something Linux to survive without crashing
> all the system. It seems using bad cable makes same error condition
> Linux detects,
> since we can see at syslog:
> 
> usb usb4-port3: disabled by hub (EMI?), re-enabling...
> 
> Maybe the error handling should be improved to prevent system crash ?

I agree, but where was a crash?  I don't have any context here, was
there a kernel oops somewhere?  I thought the hub just reset itself.  I
have a hub like that here, it resets itself a few times a day, but
there's no kernel crash because of it.

thanks,

greg k-h

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