On 11/13/2013 07:08 PM, Bruce Ashfield wrote:
On Wed, Nov 13, 2013 at 8:45 PM, Otavio Salvador
<ota...@ossystems.com.br> wrote:
On Wed, Nov 13, 2013 at 7:54 PM, Saul Wold <s...@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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