On 1/17/20 10:11 AM, Josh Poimboeuf wrote: > On Thu, Dec 12, 2019 at 02:58:11PM -0600, Josh Poimboeuf wrote: >> On Thu, Dec 12, 2019 at 12:21:17PM -0800, Randy Dunlap wrote: >>> On 12/12/19 10:48 AM, Josh Poimboeuf wrote: >>>> On Wed, Dec 11, 2019 at 08:31:08AM -0800, Randy Dunlap wrote: >>>>> On 12/10/19 7:14 PM, Andrew Morton wrote: >>>>>> The mm-of-the-moment snapshot 2019-12-10-19-14 has been uploaded to >>>>>> >>>>>> http://www.ozlabs.org/~akpm/mmotm/ >>>>>> >>>>>> mmotm-readme.txt says >>>>>> >>>>>> README for mm-of-the-moment: >>>>>> >>>>>> http://www.ozlabs.org/~akpm/mmotm/ >>>>>> >>>>>> This is a snapshot of my -mm patch queue. Uploaded at random hopefully >>>>>> more than once a week. >>>>>> >>>>>> You will need quilt to apply these patches to the latest Linus release (5.x >>>>>> or 5.x-rcY). The series file is in broken-out.tar.gz and is duplicated in >>>>>> http://ozlabs.org/~akpm/mmotm/series >>>>>> >>>>>> The file broken-out.tar.gz contains two datestamp files: .DATE and >>>>>> .DATE-yyyy-mm-dd-hh-mm-ss. Both contain the string yyyy-mm-dd-hh-mm-ss, >>>>>> followed by the base kernel version against which this patch series is to >>>>>> be applied. >>>>> >>>>> on x86_64: >>>>> >>>>> drivers/hwmon/f71882fg.o: warning: objtool: f71882fg_update_device() falls through to next function show_pwm_auto_point_temp_hyst() >>>>> drivers/ide/ide-probe.o: warning: objtool: hwif_register_devices() falls through to next function hwif_release_dev() >>>>> drivers/ide/ide-probe.o: warning: objtool: ide_host_remove() falls through to next function ide_disable_port() >>>> >>>> Randy, can you share the .o files? >>> >>> Sure. They are attached. >> >> These look like compiler bugs to me... execution is falling off the edge >> of the functions for no apparent reason. Could potentially be triggered >> by the '#define if' trace code. > > Randy, do you happen to have a config which triggers the above bugs? I > can reduce the test cases and open a GCC bug. > No, but I'll try to recreate the issue and get back to you. -- ~Randy
