No problem, I have also become careful with pushing branches so I don't give you guys extra work. I appreciate all the work done to help us out! On Sat, Jun 27, 2020 at 12:41 AM Philip Li wrote: > On Thu, Jun 25, 2020 at 05:12:29PM -0400, Joel Fernandes wrote: > > I have since deleted this branch. Does it take a while to catch up? > Hi Joel, it may be cached in the bot when it starts to bisect > the issue, which need extra time to complete the whole steps. We > will double check whether the commit is exists or not before sending > out report. Sorry for this noise. > > Thanks > > > > > On Wed, Jun 24, 2020 at 7:56 PM kernel test robot wrote: > > > > > > Greetings, > > > > > > 0day kernel testing robot got the below dmesg and the first bad commit > is > > > > > > https://git.kernel.org/pub/scm/linux/kernel/git/jfern/linux.git > rcu-segcb > > > > > > commit 039f56b3996656cf3a0bdc306fcd09fc02fe3fbb > > > Author: Joel Fernandes > > > AuthorDate: Tue Jun 23 16:33:45 2020 -0400 > > > Commit: Joel Fernandes > > > CommitDate: Tue Jun 23 16:34:30 2020 -0400 > > > > > > make rcutorture always dump ftrace > > > > > > Signed-off-by: Joel Fernandes > > > > > > c4b4fa5b86 Add tracing for rcu_pending > > > 039f56b399 make rcutorture always dump ftrace > > > > +--------------------------------------------------------+------------+------------+ > > > | | c4b4fa5b86 > | 039f56b399 | > > > > +--------------------------------------------------------+------------+------------+ > > > | boot_successes | 35 > | 0 | > > > | boot_failures | 1 > | 17 | > > > | WARNING:held_lock_freed | 1 > | 1 | > > > | is_freeing_memory#-#,with_a_lock_still_held_there | 1 > | 1 | > > > | WARNING:at_kernel/trace/trace.c:#trace_find_next_entry | 0 > | 17 | > > > | EIP:trace_find_next_entry | 0 > | 17 | > > > > +--------------------------------------------------------+------------+------------+ > > > > > > If you fix the issue, kindly add following tag > > > Reported-by: kernel test robot > > > > > > [ 122.596183] rcu_tort-124 1d.h1 71613156us : invoke_rcu_core: > Raising softirq > > > [ 122.596183] swapper/-1 0d.h. 71613173us : invoke_rcu_core: > Raising softirq > > > [ 122.596183] rcu_tort-120 1d.h2 71621302us : invoke_rcu_core: > Raising softirq > > > [ 122.596183] --------------------------------- > > > [ 122.596183] ------------[ cut here ]------------ > > > [ 122.596183] WARNING: CPU: 1 PID: 121 at kernel/trace/trace.c:3509 > trace_find_next_entry+0xe9/0x270 > > > [ 122.596183] Modules linked in: > > > [ 122.596183] CPU: 1 PID: 121 Comm: rcu_torture_sta Not tainted > 5.8.0-rc1-00179-g039f56b399665 #1 > > > [ 122.596183] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), > BIOS 1.12.0-1 04/01/2014 > > > [ 122.596183] EIP: trace_find_next_entry+0xe9/0x270 > > > [ 122.596183] Code: 8f 4e c4 01 83 15 0c 8f 4e c4 00 39 48 6c 73 6b > 81 fe 00 f5 4e c4 0f 85 25 01 00 00 83 05 10 8f 4e c4 01 83 15 14 8f 4e c4 > 00 <0f> 0b 83 05 20 8f 4e c4 01 83 15 24 8f 4e c4 00 eb 3f 8d 74 26 00 > > > [ 122.596183] EAX: c44ed400 EBX: c44ed400 ECX: 00000014 EDX: f1e360ec > > > [ 122.596183] ESI: c44ef500 EDI: f1e360ec EBP: ee7a9e60 ESP: ee7a9e48 > > > [ 122.596183] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: > 00010046 > > > [ 122.596183] CR0: 80050033 CR2: ffffffff CR3: 04132000 CR4: 001406b0 > > > [ 122.596183] Call Trace: > > > [ 122.596183] trace_print_lat_context+0x47/0x620 > > > [ 122.596183] ? find_next_bit+0x1d/0x30 > > > [ 122.596183] ? cpumask_next+0x59/0x70 > > > [ 122.596183] print_trace_line+0x928/0xb60 > > > [ 122.596183] ftrace_dump+0x307/0x4b0 > > > [ 122.596183] rcu_torture_stats_print+0x908/0x9d0 > > > [ 122.596183] rcu_torture_stats+0x88/0x100 > > > [ 122.596183] kthread+0x244/0x260 > > > [ 122.596183] ? rcu_torture_stats_print+0x9d0/0x9d0 > > > [ 122.596183] ? kthread_unpark+0xd0/0xd0 > > > [ 122.596183] ret_from_fork+0x19/0x30 > > > [ 122.596183] ---[ end trace ca04e5844f44c5cc ]--- > > > [ 149.891205] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor > 0 > > > > > > # HH:MM > RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD > > > git bisect start 82cf130fe4c5a6e6712f8bd07e42f6455cb9db4e > 48778464bb7d346b47157d21ffde2af6b2d39110 -- > > > git bisect good ea343062323ab751211db6e3931c41737584891e # 01:30 G > 10 0 1 1 Merge 'hid/for-next' into devel-catchup-202006242334 > > > git bisect bad d55c151aaabf8418b956d88b38864650c88a789c # 01:44 B > 0 1 17 0 Merge 'tip/ras/core' into devel-catchup-202006242334 > > > git bisect good 2b99151919ed84b0b4635936833d6873f81e7700 # 02:19 G > 11 0 2 3 Merge 'saeed/net-next' into devel-catchup-202006242334 > > > git bisect bad 8be1d8a5c01dc631735fee16545fd67b8b6c986e # 02:39 B > 0 1 17 0 Merge 'hch-misc/cleanup-kernel-rw-helpers.3' into > devel-catchup-202006242334 > > > git bisect good 53eaebe99597aa35661387ecdd53dcac64dedb01 # 03:19 G > 11 0 1 1 Merge 'mkp-scsi/fixes' into devel-catchup-202006242334 > > > git bisect bad 7761f825fef535e2f775c3d98bb6558639116d27 # 03:52 B > 0 1 17 0 Merge 'jfern/rcu-segcb' into > devel-catchup-202006242334 > > > git bisect good e3be8c671913af551669f244f5977fb93eea27e2 # 04:22 G > 10 0 0 0 Merge branches 'doc.2020.06.17a', > 'fixes.2020.06.17a', 'rcu-tasks.2020.06.17a', 'scale.2020.06.17a', > 'srcu.2020.06.17a' and 'torture.2020.06.17a' into HEAD > > > git bisect good a60a604d76885d24fcaa65dd1839046589f60766 # 04:44 G > 10 0 1 1 tools/memory-model: Make judgelitmus.sh handle > scripted Result: tag > > > git bisect good 04e5111a0192dce73b7ef58b8288e16b2855b378 # 05:07 G > 10 0 1 1 rcu/tree: Use static initializer for krc.lock > > > git bisect good 6f92ad84da8ba905864d5fe0e616494fb718a84e # 05:32 G > 10 0 2 2 rcu: Initialize at declaration time in > rcu_exp_handler() > > > git bisect good 1fce90226d6138c0c8fe6f4a913119d4f0c15263 # 05:48 G > 10 0 1 1 rcu/trace: Use rsp's gp_seq in acceleration's > rcu_grace_period tracepoint > > > git bisect good b4ef7c752f22afcd8fa65809c8e6f974dc27714a # 06:25 G > 10 0 2 2 rcutree: Make rcu_advance also print Segcb after > WAIT->DONE happens > > > git bisect bad 039f56b3996656cf3a0bdc306fcd09fc02fe3fbb # 06:37 B > 0 3 22 3 make rcutorture always dump ftrace > > > git bisect good c4b4fa5b86f7aca290f6218570980b451d17010a # 07:00 G > 10 0 0 0 Add tracing for rcu_pending > > > # first bad commit: [039f56b3996656cf3a0bdc306fcd09fc02fe3fbb] make > rcutorture always dump ftrace > > > git bisect good c4b4fa5b86f7aca290f6218570980b451d17010a # 07:06 G > 32 0 1 2 Add tracing for rcu_pending > > > # extra tests with debug options > > > git bisect bad 039f56b3996656cf3a0bdc306fcd09fc02fe3fbb # 07:17 B > 0 2 19 1 make rcutorture always dump ftrace > > > # extra tests on head commit of jfern/rcu-segcb > > > git bisect bad 039f56b3996656cf3a0bdc306fcd09fc02fe3fbb # 07:33 B > 0 17 33 0 make rcutorture always dump ftrace > > > # bad: [039f56b3996656cf3a0bdc306fcd09fc02fe3fbb] make rcutorture > always dump ftrace > > > # extra tests on revert first bad commit > > > git bisect good a5800fbf9102456673f4fd9f2c9692dfa71392d8 # 07:55 G > 10 0 0 0 Revert "make rcutorture always dump ftrace" > > > # good: [a5800fbf9102456673f4fd9f2c9692dfa71392d8] Revert "make > rcutorture always dump ftrace" > > > > > > --- > > > 0-DAY CI Kernel Test Service, Intel Corporation > > > https://lists.01.org/hyperkitty/list/lkp(a)lists.01.org >