linux-kernel - Re: 2.6.25-rc7: Ugh.

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Message-ID: <47F0F7A5.10604@rtr.ca>
Date:	Mon, 31 Mar 2008 10:39:33 -0400
From:	Mark Lord <lkml@....ca>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	Pavel Machek <pavel@...e.cz>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>, jikos@...e.cz
Subject: Re: 2.6.25-rc7:  Ugh.

Oliver Neukum wrote:
> Am Sonntag, 30. März 2008 23:04:25 schrieb Mark Lord:
>>>> Correction there:  3GB of RAM, not 2.
>>> 3GB of RAM can be a problem. Try iommu=soft. .. but in such case
>>> rmmod/insmod of usbhid would not help...
>> ..
>>
>> Booted with mem=2GB, and USB hung again on the first suspend/resume cycle.
> 
> Are you running with CONFIG_USB_SUSPEND? If so, please try without it.
..

Funny.  One of the first posts in this thread told me to make sure
that I do use CONFIG_USB_SUSPEND (which I have been for many kernels now).

One thing I just tried, was to unload all USB stuff before suspend,
and reload on resume -- just stuck the commands into my suspend/resume script.

The machine has been 100% rock solid since then.
So I think that definitely implicates USB.

Still want USB_SUSPEND=n ?  Please explain.

Thanks
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