linux-kernel - Re: [ANNOUNCE] RT for v2.6.34.8 now available.

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Date:	Mon, 07 Mar 2011 12:54:13 -0800
From:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
CC:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>,
	"linux-rt-users@...r.kernel.org" <linux-rt-users@...r.kernel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [ANNOUNCE] RT for v2.6.34.8 now available.

On 03/07/2011 12:52 PM, Paul Gortmaker wrote:
> On 11-03-07 03:41 PM, Fernando Lopez-Lezcano wrote:
>> On 03/07/2011 12:00 PM, Fernando Lopez-Lezcano wrote:
>>> On 03/06/2011 10:51 PM, Fernando Lopez-Lezcano wrote:
>>>> On 03/04/2011 02:24 PM, Paul Gortmaker wrote:
>>>>> As a value add to the 2.6.34 long term release, I'm happy to also
>>>>> announce the availability of 2.6.34-RT.
>>>>>
>>>>> You can find it in the v2.6.34-rt branch at:
>>>>>
>>>>> git://git.kernel.org/pub/scm/linux/kernel/git/paulg/rt-patches.git
>>>>
>>>> Great! Many thanks... Actually, impressive work.
>>>>
>>>> I'm trying to integrate/build it into my Fedora based rt packages for
>>>> Planet CCRMA. Warning: I'm doing this on top of the 2.6.34.8-68 fc13
>>>> koji build, so rt is patched on top of the additional Fedora patches for
>>>> that build (with a few trivial tweaks to patch cleanly). So I don't know
>>>> if the following issues are due to that...
>>>
>>> Caveat above still applies...
>> ...
>>> - EeePC netbook, Fedora 13, Intel Mobile 945GME graphics: X does not start
>>> - Lenovo laptop, fedora 14, Intel 9xx graphics (at home): X does not start
>>> These last two share Intel graphics and the problem seems to be the
>>> same, something to do with dri.
>>
>> This is what I'm getting (dmesg|grep i915):
>>
>> i915 0000:00:02.0 PCI INT A ->  GSI 16 (level, low) ->  IRQ 16
>> i915 0000:00:02.0 setting latency timer to 64
>> i915 0000:00:02.0 PCI INT A disabled
>> i915: probe of 0000:00:02.0 failed with error -5
>>
>> Same kernel w/o rt...:
>>
>> i915 0000:00:02.0 PCI INT A ->  GSI 16 (level, low) ->  IRQ 16
>> i915 0000:00:02.0 setting latency timer to 64
>> [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
>>
>> So, some problem with irq processing?
>> Where should I go look?
>
> Try v2.6.33-rt -- see if it is a new regression, or was a problem that
> already existed and has just been carried forward.

2.6.33.x-rt30 works on all of the above so it seems this is new... (yuck :-)
(just in case, this is not pristine 2.6.34.8 + rt git)

-- Fernando
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