From: "Jörg-Volker Peetz" <jvpeetz@web.de>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
torvalds@linux-foundation.org, stable@vger.kernel.org,
lwn@lwn.net, Jiri Slaby <jslaby@suse.cz>,
Alex Deucher <alexander.deucher@amd.com>
Subject: Re: Linux 4.4.4 [regression]
Date: Mon, 7 Mar 2016 15:20:47 +0100 [thread overview]
Message-ID: <56DD8E3F.8060004@web.de> (raw)
In-Reply-To: <20160307011419.GB6588@kroah.com>
Greg KH wrote on 03/07/16 02:14:
> On Sun, Mar 06, 2016 at 02:18:31PM +0100, Jörg-Volker Peetz wrote:
>> Greg KH wrote on 03/05/16 18:41:
>>>
>>> Can you use 'git bisect' between 4.4.3 and 4.4.4 to track down the
>>> offending patch?
>>>
>>
>> It's one line of code that freezes X during start on my HP Pavilion dv7 hybrid
>> graphic (AMD HD 42000 - AMD HD 5400):
>>
>> # git bisect visualize
>> commit b36e52c44ce6728824546d8b5f05b844cede96f1
>> Author: Alex Deucher <alexander.deucher@amd.com>
>> Date: Tue Nov 24 14:32:44 2015 -0500
>>
>> drm/radeon: call hpd_irq_event on resume
>>
>> commit dbb17a21c131eca94eb31136eee9a7fe5aff00d9 upstream.
>>
>> Need to call this on resume if displays changes during
>> suspend in order to properly be notified of changes.
>>
>> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>>
>> Removing the line inserted by this patch from 4.4.4 makes X on my laptop work again.
>> Just for the records: with the above patch the laptop freezes during shutdown
>> and has to be switched off by pressing the power button several seconds until
>> power-off.
>
> Ah, good to know. Alex, any ideas?
>
> Also, does this same problem also happen in 4.5-rc7? If so, that's
> good. If not, I'm worried that I might have missed a fixup patch
> somewhere.
>
This same problem with X does happen in 4.5-rc7. And removing the line
introduced by patch b36e52c44ce6728824546d8b5f05b844cede96f1 makes X go again on
my laptop.
Best regards,
jvp.
next prev parent reply other threads:[~2016-03-07 14:21 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-03 23:34 Linux 4.4.4 Greg KH
2016-03-03 23:34 ` Greg KH
2016-03-05 10:48 ` Linux 4.4.4 [regression] Jörg-Volker Peetz
2016-03-05 17:41 ` Greg KH
2016-03-06 13:18 ` Jörg-Volker Peetz
2016-03-07 1:14 ` Greg KH
2016-03-07 14:20 ` Jörg-Volker Peetz [this message]
2016-03-07 16:20 ` Linus Torvalds
2016-03-07 16:44 ` Deucher, Alexander
2016-03-07 17:40 ` Jörg-Volker Peetz
2016-03-07 18:07 ` Deucher, Alexander
2016-03-07 18:20 ` Jörg-Volker Peetz
2016-03-08 8:16 ` Jean Delvare
2016-03-08 8:48 ` Jean Delvare
2016-03-09 4:16 ` Greg KH
2016-03-09 14:40 ` Deucher, Alexander
2016-03-09 16:28 ` 'Greg KH'
2016-03-09 16:31 ` Deucher, Alexander
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