On 13-08-26 7:46 PM, Tom Zanussi wrote:
On Mon, 2013-08-26 at 19:40 -0400, Bruce Ashfield wrote:
On Mon, Aug 26, 2013 at 7:36 PM, Bruce Ashfield
<bruce.ashfi...@windriver.com> wrote:
On 13-08-26 7:33 PM, Darren Hart wrote:
Hi Bruce,
The world build for genericx86 tripped over a compilation failure for
lttng-modules:
...
| CC
[M]
/build/yocto/master/genericx86_20130826112225/build/tmp/work/genericx86-poky-linux/lttng-modules/2.2.0+gitAUTOINC+1b26381c19-r0/git/probes/lttng-probe-printk.o
| In file included
from
/build/yocto/master/genericx86_20130826112225/build/tmp/work/genericx86-poky-linux/lttng-modules/2.2.0+gitAUTOINC+1b26381c19-r0/git/probes/../instrumentation/events/lttng-module/../../../probes/define_trace.h:148:0,
|
from
/build/yocto/master/genericx86_20130826112225/build/tmp/work/genericx86-poky-linux/lttng-modules/2.2.0+gitAUTOINC+1b26381c19-r0/git/probes/../instrumentation/events/lttng-module/printk.h:64,
|
from
/build/yocto/master/genericx86_20130826112225/build/tmp/work/genericx86-poky-linux/lttng-modules/2.2.0+gitAUTOINC+1b26381c19-r0/git/probes/lttng-probe-printk.c:39:
|
/build/yocto/master/genericx86_20130826112225/build/tmp/work/genericx86-poky-linux/lttng-modules/2.2.0+gitAUTOINC+1b26381c19-r0/git/probes/../instrumentation/events/lttng-module/../../../probes/lttng-events.h:151:6:
error: conflicting types for 'trace_console'
| void trace_##_name(_proto);
...
There are several others. Quickly reproducible with:
$ bitbake lttng-modules
Is this a known issue with the 3.10 kernel?
Known at the moment ... no, since my builds didn't trigger lttng modules
to be built. And actually, it's one of the reasons I prefer all modules
to be in-tree versus out of tree :)
But it's also not something hard to fix. When LTSI content becomes available
we'll have an in tree version again, but in the mean time
we can just patch lttng modules, via an uprev or bug fix.
I wouldn't hold the merge on this (we can't hold it on everything), so
my suggestion is to open a bug and we can have a look tomorrow.
Looks like 2.2.1 fixes it:
2013-07-11 LTTng modules 2.2.1:
* Fix: double length of __dynamic_len array
* Fix printk instrumentation
* Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
* Fix: ring buffer: get_subbuf() checks should be performed on "consumed"
* Fix: SWITCH_FLUSH new sub-buffer checks
* Fix: ring buffer: handle concurrent update in nested buffer wrap around
* Fix: handle writes of length 0
* Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
I can poke at it more later, as well, but maybe TomZ has cycles to update it ?
Well, it's not like I have extra cycles, but I'll look into it.
:P
What branch is this, mut?
You should be able to see it just using master and building lttng-modules,
just make sure you've set the preferred kernel version to 3.10
(if my other patches that make it the default haven't merged).
Bruce
Tom
Bruce
Bruce
Thanks,
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