lkml.org 
[lkml]   [2015]   [Feb]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: intensive IO on usb-storage device causing system lock
Thank you. If I'll be able I'll try.
Thank you again guys.
Enrico



On Wed, 11 Feb 2015, Alan Stern wrote:

> Date: Wed, 11 Feb 2015 16:21:50
> From: Alan Stern <stern@rowland.harvard.edu>
> To: Enrico Mioso <mrkiko.rs@gmail.com>
> Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
> Subject: Re: intensive IO on usb-storage device causing system lock
>
> On Tue, 10 Feb 2015, Enrico Mioso wrote:
>
>> Hello guys.
>> the problem is still reproducible with final 3.19 kernel - I can confirm it.
>> Re-sending the last trace here - don't know if it's available in cxg.de.
>
> Please stop posting these process traces. They don't help.
>
> Instead, post a usbmon trace showing what happens around the time when
> the problem occurs. If the trace file is quite large (which is likely,
> because usbmon can generate a lot of data in a short time), you can
> cut out everything up to the last few hundreds of KB before the problem
> starts.
>
>> For those who might not have read the thread - the problem is: after some
>> intensive IO to an USB (usb-storage) disk, for a more or less long time,
>> depending on the quantity of IO you do, there start to be situations where some
>> processes get stuck doing IO, in any case. Not IO to the USB disk, but IO also
>> to other devices, like the one where the root partition resides, in my case a
>> flash drive. I am using an EEE PC 701.
>
> That sounds like the problem may lie somewhere other than in the USB
> stack. But there's no way to tell without seeing a usbmon trace.
>
> Alan Stern
>
>
>


\
 
 \ /
  Last update: 2015-02-11 17:41    [W:0.035 / U:0.204 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site