linux-kernel - Re: suspend (uhci_hcd) defunct in mmotm 2008-09-13-03-09

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Message-ID: <48DA84C9.3010707@gmail.com>
Date:	Wed, 24 Sep 2008 20:19:53 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	Greg KH <greg@...ah.com>
CC:	Alan Stern <stern@...land.harvard.edu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	USB list <linux-usb@...r.kernel.org>
Subject: Re: suspend (uhci_hcd) defunct in mmotm 2008-09-13-03-09

On 09/24/2008 08:14 PM, Greg KH wrote:
> On Wed, Sep 24, 2008 at 12:38:45PM -0400, Alan Stern wrote:
>> On Wed, 24 Sep 2008, Jiri Slaby wrote:
>>
>>>> In fact neither of those logs includes USB debugging messages.  Maybe
>>>> you omitted a mkinitrd step.
>>> I don't think so. I don't use neither vanilla nor initrd so this must be the
>>> kernel. Anyway I recompiled with .config linked in and did
>>> # dmesg >dmesg_config.hcd
>>> # zcat /proc/config.gz >>dmesg_config.hcd
>>> in the built kernel. The file is here:
>>> http://decibel.fi.muni.cz/~xslaby/dmesg_config.hcd
>> Still no debugging messages.  It's because you have 
>> CONFIG_DYNAMIC_PRINTK_DEBUG enabled.
> 
> If you have that enabled, you can turn on debugging "on the fly" by
> writing to the debugfs file as described in the documentation for that
> option.

I see, I need to boot to that kernel anyway, with dynamic_printk param this time.

Thanks.
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