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

[Saul Wold]

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.

Sau!

>
> The meta-yocto-bsps need a SRCREV bump, which I was just about to send
> out, but the code has been in tree for some time yet, and all the qemu*
> BSPs are already running at that revision.
>
> Bruce
>
>>
>> Regards,
>>
>>
>> --
>> 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
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>
>
>