[OE-core] [PATCH 1/2] lttng-modules: Update revision to grab last bugfix releases

[Otavio Salvador]

On Mon, Nov 18, 2013 at 10:25 AM, Robert Yang <liezhi.yang at windriver.com> wrote:
>
>
> On 11/15/2013 01:48 AM, Otavio Salvador wrote:
>>
>> On Thu, Nov 14, 2013 at 3:15 PM, Bruce Ashfield
>> <bruce.ashfield at gmail.com> wrote:
>>>
>>> On Thu, Nov 14, 2013 at 11:18 AM, Bruce Ashfield
>>> <bruce.ashfield at gmail.com> wrote:
>>>>
>>>> On Thu, Nov 14, 2013 at 11:09 AM, Saul Wold <sgw at linux.intel.com> wrote:
>>>>>
>>>>> On 11/13/2013 07:08 PM, Bruce Ashfield wrote:
>>>>>>
>>>>>>
>>>>>> On Wed, Nov 13, 2013 at 8:45 PM, Otavio Salvador
>>>>>> <otavio at ossystems.com.br> wrote:
>>>>>>>
>>>>>>>
>>>>>>> On Wed, Nov 13, 2013 at 7:54 PM, Saul Wold <sgw at linux.intel.com>
>>>>>>> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>> On 11/01/2013 06:31 AM, Otavio Salvador wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> This updates lttng-modules for 2.3.2 and also includes a bugfix
>>>>>>>>> imported from 3.4 kernel. The changes included are:
>>>>>>>>>
>>>>>>>>> 6c26b01 Blacklist Linux kernels 3.10+
>>>>>>>>> b97d469 LTTng trace-clock: shrink kernel blacklist
>>>>>>>>> 7d40f8e Version 2.3.1
>>>>>>>>> 2aecb9b Blacklist kernels 3.10.13 and 3.11.2
>>>>>>>>> 4f1217f Version 2.3.2
>>>>>>>>> 92fff0c Import fix from LTSI: 3.4+ RT kernels use
>>>>>>>>> CONFIG_PREEMPT_RT_FULL
>>>>>>>>> 1874075 lttng-statedump-impl: Fix lttng_list_interrupts for empty
>>>>>>>>> implementation
>>>>>>>>>
>>>>>>>>
>>>>>>>> Otavio,
>>>>>>>>
>>>>>>>> Tried to build this locally and got the following failure with
>>>>>>>> genericx86
>>>>>>>> and master:
>>>>>>>>
>>>>>>>> |   CC [M]
>>>>>>>>
>>>>>>>>
>>>>>>>> /srv/ssd/sgw/builds/world/tmp/work/genericx86-poky-linux/lttng-modules/2.3.2+gitAUTOINC+1874075076-r0/git/lttng-ring-buffer-client-discard.o
>>>>>>>> | In file included from
>>>>>>>>
>>>>>>>>
>>>>>>>> /srv/ssd/sgw/builds/world/tmp/work/genericx86-poky-linux/lttng-modules/2.3.2+gitAUTOINC+1874075076-r0/git/lttng-tracer.h:37:0,
>>>>>>>> |                  from
>>>>>>>>
>>>>>>>>
>>>>>>>> /srv/ssd/sgw/builds/world/tmp/work/genericx86-poky-linux/lttng-modules/2.3.2+gitAUTOINC+1874075076-r0/git/lttng-ring-buffer-client-discard.c:24:
>>>>>>>> |
>>>>>>>>
>>>>>>>>
>>>>>>>> /srv/ssd/sgw/builds/world/tmp/work/genericx86-poky-linux/lttng-modules/2.3.2+gitAUTOINC+1874075076-r0/git/wrapper/trace-clock.h:40:2:
>>>>>>>> error: #error "Linux kernels 3.10 and 3.11 introduce a deadlock in
>>>>>>>> the
>>>>>>>> timekeeping subsystem. Fixed by commit
>>>>>>>> 7bd36014460f793c19e7d6c94dab67b0afcfcb7f \"timekeeping: Fix HRTICK
>>>>>>>> related
>>>>>>>> deadlock from ntp lock changes\" in Linux."
>>>>>>>> |  #error "Linux kernels 3.10 and 3.11 introduce a deadlock in the
>>>>>>>> timekeeping subsystem. Fixed by commit
>>>>>>>> 7bd36014460f793c19e7d6c94dab67b0afcfcb7f \"timekeeping: Fix HRTICK
>>>>>>>> related
>>>>>>>> deadlock from ntp lock changes\" in Linux."
>>>>>>>> |   ^
>>>>>>>> | make[2]: ***
>>>>>>>>
>>>>>>>>
>>>>>>>> [/srv/ssd/sgw/builds/world/tmp/work/genericx86-poky-linux/lttng-modules/2.3.2+gitAUTOINC+1874075076-r0/git/lttng-ring-buffer-client-discard.o]
>>>>>>>> Error 1
>>>>>>>> | make[1]: ***
>>>>>>>>
>>>>>>>>
>>>>>>>> [_module_/srv/ssd/sgw/builds/world/tmp/work/genericx86-poky-linux/lttng-modules/2.3.2+gitAUTOINC+1874075076-r0/git]
>>>>>>>> Error 2
>>>>>>>> | make[1]: Leaving directory
>>>>>>>> `/srv/ssd/sgw/builds/world/tmp/sysroots/genericx86/usr/src/kernel'
>>>>>>>> | make: *** [default] Error 2
>>>>>>>> | ERROR: oe_runmake failed
>>>>>>>>
>>>>>>>> So I am going to hold off on this patch set until you can resolve
>>>>>>>> this.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Yes; this is becase the linux-yocto seems to not have been updated to
>>>>>>>>
>>>>>>>>
>>>>>>>> 3.10.13; so in fact it is failing to build to avoid people to
>>>>>>>
>>>>>>>
>>>>>>> trigger the deadlock.
>>>>>>>
>>>>>>> The change which introduces this in lttng-modules is:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> http://git.lttng.org/?p=lttng-modules.git;a=commit;h=2aecb9b1cbb63f6c524ad9195d8fd06299ef9296
>>>>>>>
>>>>>>> I can update this patch as 2.3.3 has been released and it includes
>>>>>>> the
>>>>>>> 3.12 fixes but please check when linux-yocto will be updated so we
>>>>>>> can
>>>>>>> fix it.
>>>>>>
>>>>>>
>>>>>>
>>>>>> Saul: What board are you building ? I've had linux-yocto on 3.10.17
>>>>>> for over a week
>>>>>> now.
>>>>>
>>>>>
>>>>>
>>>>> As mentioned above this is for genericx86, so maybe not all the BSPs
>>>>> are
>>>>> updated yet.
>>>>
>>>>
>>>> Buried in the context, sorry about missing that.
>>>>
>>>> Yes, I'm about to update the reference boards, but there's a install
>>>> error that I'm fixing first, but I'll have the series out by end of day.
>>>
>>>
>>> I just sent the update for this (cc'd poky at yoctoproject.org), but I
>>> haven't
>>> seen it loop around.
>>>
>>> If you didn't get the patch, let me know and I'll try again.
>>
>>
>> I have sent the new patch version.
>>
>> It does the update to the 2.3.3 which include all the previous
>> backported patches.
>>
>> This should be considered for Dora as well as it fixes the deadlock
>> and building with 3.12 kernels.
>>
>
> Hi Otavio, thanks for suggesting this for dora, but dora's kernel is
> 3.10.11,
> and this is an update for lttng-modules, I'm not sure whether dora needs
> this.
>
> Add Saul in the CC list.

I think Dora ought to get the new 3.10 kernel updates; this can go
along side with it.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750