linux-kernel - Re: 2.6.21-rc6-mm1 USB related boot hang

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Message-ID: <462F4D7D.8020707@aitel.hist.no>
Date:	Wed, 25 Apr 2007 14:45:49 +0200
From:	Helge Hafting <helge.hafting@...el.hist.no>
To:	Jiri Kosina <jikos@...os.cz>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-usb-devel@...ts.sourceforge.net
Subject: Re: 2.6.21-rc6-mm1 USB related boot hang

Jiri Kosina wrote:
> On Wed, 25 Apr 2007, Helge Hafting wrote:
>
>   
>>> Anyway, based on information you have provided in your later messages, 
>>> it seems that it is probably not necessairly related neither to USB 
>>> nor HID, as you are getting hangs at different stages of boot, 
>>> depending on your local configuration/kernel version used. Is vanilla 
>>> 2.6.21-rc6 ok? If so, would you have time to bisect the offending 
>>> patch?
>>>       
>> I don't know about 2.6.21-rc6, but 2.6.21-rc7 (from fresh sources) is 
>> good.  It boots up without hanging, and my USB devices works too. Should 
>> I test rc7-mm1 then?
>>     
>
> That would also be useful.
>
> But really identifying offending patch using bisection would help most. 
>   
If there is an offending patch at all - my rc6-mm1 kernel must
have been built from messed-up sources - we saw that when your
patch did not apply.  So my source had errors - right in the USB part.

I haven't tested a correct rc6-mm1, so I don't even know if it
has problems.  I can make such a kernel of course. . .
> And it should be pretty easy and not too much time consuming for you, as 
> the bug triggers immediately upon boot in your case.
>   
Indeed - it is easy to spot. :-)

Helge Hafting
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