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. -- Josh