From mboxrd@z Thu Jan 1 00:00:00 1970 From: skumar.m226@gmail.com (kumar s) Date: Tue, 4 Feb 2014 15:43:44 +0530 Subject: [lttng-dev] lib_ring_buffer_align error bit-field '' width not an integer constant In-Reply-To: <2097060417.17951.1391442624499.JavaMail.zimbra@efficios.com> References: <2097060417.17951.1391442624499.JavaMail.zimbra@efficios.com> Message-ID: Hi, The lttng module i use is the latest version, compiler toolchain cannot be upgraded since it is provided by Cavium, kernel version is 2.6.32.27. Is there any change i need to do on lttng modules to build it? Thank you SKumar On Mon, Feb 3, 2014 at 9:20 PM, Mathieu Desnoyers < mathieu.desnoyers at efficios.com> wrote: > ------------------------------ > > *From: *"kumar s" > *To: *lttng-dev at lists.lttng.org > *Sent: *Tuesday, December 3, 2013 3:20:02 AM > *Subject: *[lttng-dev] lib_ring_buffer_align error bit-field > '' width not an integer constant > > > Hello, > > When trying to build lttng modules i am getting this error. Cross compiler > for mips and Arch = mips is used in makefile. > > Linux kernel version 2.6.32.27 > > > make -C > /home/shkumar/Development_Merge/NewOCT/OCTEON_SDK/octeon_sdk/OCTEON-SDK/linux/kernel_2.6/linux > M=/home/shkumar/lttng-tools/lttngmod/lttng-modules modules ARCH=mips > CROSS_COMPILE=mips64-octeon-linux-gnu- > make[1]: Entering directory > `/home/shkumar/Development_Merge/NewOCT/OCTEON_SDK/octeon_sdk/OCTEON-SDK/linux/kernel_2.6/linux' > CC [M] > /home/shkumar/lttng-tools/lttngmod/lttng-modules/lttng-ring-buffer-client-discard.o > In file included from > /home/shkumar/lttng-tools/lttngmod/lttng-modules/wrapper/ringbuffer/config.h:1, > from > /home/shkumar/lttng-tools/lttngmod/lttng-modules/lttng-tracer-core.h:35, > from > /home/shkumar/lttng-tools/lttngmod/lttng-modules/lttng-tracer.h:39, > from > /home/shkumar/lttng-tools/lttngmod/lttng-modules/lttng-ring-buffer-client-discard.c:24: > /home/shkumar/lttng-tools/lttngmod/lttng-modules/wrapper/ringbuffer/../../lib/ringbuffer/config.h: > In function 'lib_ring_buffer_align': > /home/shkumar/lttng-tools/lttngmod/lttng-modules/wrapper/ringbuffer/../../lib/ringbuffer/config.h:266: > error: bit-field '' width not an integer constant > make[2]: *** > [/home/shkumar/lttng-tools/lttngmod/lttng-modules/lttng-ring-buffer-client-discard.o] > Error 1 > make[1]: *** [_module_/home/shkumar/lttng-tools/lttngmod/lttng-modules] > Error 2 > make[1]: Leaving directory > `/home/shkumar/Development_Merge/NewOCT/OCTEON_SDK/octeon_sdk/OCTEON-SDK/linux/kernel_2.6/linux' > make: *** [default] Error 2 > > How do i fix this? > > > This is caused by the use of offset_align(), passing incorrect parameters, > detected by the compiler: > > see lttng-modules > > lib/align.h: > > #define offset_align(align_drift, > alignment) \ > > ({ \ > BUILD_RUNTIME_BUG_ON((alignment) == > 0 \ > || ((alignment) & ((alignment) - > 1))); \ > (((alignment) - (align_drift)) & ((alignment) - > 1)); \ > }) > > See also lttng-modules > lib/bug.h > > So there are two things that are possible: either the compiler you use > does not perform the > optimisations that are expected, and therefore triggers the BUILD_BUG_ON() > without needing to, > or there really is an incorrect value passed to offset_align(). > > Make sure lttng-modules, your compiler toolchain, and your kernel are up > to date. > > Thanks, > > Mathieu > > > Skumar. > > _______________________________________________ > lttng-dev mailing list > lttng-dev at lists.lttng.org > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > > > > > -- > Mathieu Desnoyers > EfficiOS Inc. > http://www.efficios.com > -------------- next part -------------- An HTML attachment was scrubbed... URL: