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Message-ID: <20170329042937.ihpexoorzrnd3zqn@wfg-t540p.sh.intel.com>
Date: Wed, 29 Mar 2017 12:29:37 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: Chris Wilson <chris@...is-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@...ll.ch>,
Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
Alex Deucher <alexander.deucher@....com>,
Sinclair Yeh <syeh@...are.com>, #vmwgfx@...-t540p.sh.intel.com,
Lucas Stach <l.stach@...gutronix.de>,
#etnaviv@...-t540p.sh.intel.com, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org, LKP <lkp@...org>
Subject: [drm] 4e64e5539d [ 1138.272031] NMI watchdog: BUG: soft lockup -
CPU#0 stuck for 23s! [swapper:1]
Hi Chris,
>+------------------------------------------+------------+------------+-----------+---------------+
>| | 17aad8a340 | 4e64e5539d | v4.11-rc3 | next-20170320 |
>+------------------------------------------+------------+------------+-----------+---------------+
>| boot_successes | 0 | 0 | 0 | 0 |
>| boot_failures | 1220 | 312 | 324 | 63 |
>| BUG:unable_to_handle_kernel | 1220 | 312 | 324 | 63 |
>| Oops:#[##] | 1220 | 312 | 324 | 63 |
>| Kernel_panic-not_syncing:Fatal_exception | 1220 | 312 | 324 | 63 |
>+------------------------------------------+------------+------------+-----------+---------------+
>
>[ 195.344608] [TTM] Zone kernel: Available graphics memory: 200980 kiB
>[ 195.345639] [TTM] Initializing pool allocator
>[ 195.346363] [TTM] Initializing DMA pool allocator
>[ 195.347754] [drm] Initialized bochs-drm 1.0.0 20130925 for 0000:00:02.0 on minor 0
>[ 195.349292] irq event stamp: 5513
>[ 195.349293] BUG: unable to handle kernel NULL pointer dereference at 0000000000000620
>[ 195.349309] IP: __lock_acquire+0xc8/0xfe6
Sorry that looks like an old bug. While the below soft lockup
call trace looks more related to the code change.
17aad8a340 Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
4e64e5539d drm: Improve drm_mm search (and fix topdown allocation) with rbtrees
ad0376eb14 Merge tag 'edac_for_4.11_2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
576190b30a Add linux-next specific files for 20170328
+--------------------------------------------------------------------+------------+------------+------------+---------------+
| | 17aad8a340 | 4e64e5539d | ad0376eb14 | next-20170328 |
+--------------------------------------------------------------------+------------+------------+------------+---------------+
| boot_successes | 0 | 0 | 5 | 0 |
| boot_failures | 186 | 50 | 16 | 2 |
| BUG:KASAN:global-out-of-bounds_in__of_match_node_at_addr | 186 | 7 | | |
| BUG:KASAN:global-out-of-bounds_in__of_device_is_compatible_at_addr | 186 | 7 | | |
| BUG:KASAN:global-out-of-bounds_in__of | 1 | | | |
| BUG:KASAN:global-out-of-bounds_in__of_match_node | 1 | | | |
| BUG:soft_lockup-CPU##stuck_for#s | 0 | 43 | 14 | 2 |
| Kernel_panic-not_syncing:softlockup:hung_tasks | 0 | 43 | 14 | 2 |
| invoked_oom-killer:gfp_mask=0x | 0 | 0 | 2 | |
| Mem-Info | 0 | 0 | 2 | |
| Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 0 | 0 | 2 | |
+--------------------------------------------------------------------+------------+------------+------------+---------------+
[ 773.573294] Writes: Total: 2 Max/Min: 0/0 Fail: 0
[ 845.992015] Writes: Total: 2 Max/Min: 0/0 Fail: 0
[ 919.226625] Writes: Total: 2 Max/Min: 0/0 Fail: 0
[ 990.378836] Writes: Total: 2 Max/Min: 0/0 Fail: 0
[ 1055.385770] Writes: Total: 2 Max/Min: 0/0 Fail: 0
[ 1138.272031] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [swapper:1]
[ 1138.274858] CPU: 0 PID: 1 Comm: swapper Not tainted 4.10.0-rc5-01060-g4e64e55 #1
[ 1138.277813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[ 1138.281136] task: ffff88000cdbcd80 task.stack: ffff88000cdc0000
[ 1138.283043] RIP: 0010:__asan_load8+0x55/0xd0
[ 1138.284564] RSP: 0018:ffff88000cdc7798 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10
[ 1138.287359] RAX: ffffc90000293238 RBX: ffffc90000293230 RCX: ffffffff9e66e31d
[ 1138.289432] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffc90000293238
[ 1138.291521] RBP: ffff88000cdc7798 R08: fffffbfff4aebbcc R09: fffffbfff4aebbcc
[ 1138.293593] R10: fffffbfff4aebbcb R11: ffffffffa575de5f R12: ffffc90000293240
[ 1138.295669] R13: ffffc90000293230 R14: ffffc90000293230 R15: ffffc90000293020
[ 1138.297754] FS: 0000000000000000(0000) GS:ffffffffa28f6000(0000) knlGS:0000000000000000
[ 1138.300618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1138.302425] CR2: 00007f6ce610d8ec CR3: 0000000008600000 CR4: 00000000000006b0
[ 1138.304481] Call Trace:
[ 1138.305662] rb_erase+0x35d/0x1230
[ 1138.307060] rm_hole+0xb4/0xe0
[ 1138.308381] drm_mm_remove_node+0xc3/0x1010
[ 1138.309905] evict_nodes+0x3ab/0x510
[ 1138.311306] evict_color+0x12f/0x690
[ 1138.312843] ? evict_something+0x700/0x700
[ 1138.314695] ? pvclock_clocksource_read+0x333/0x360
[ 1138.316381] ? __asan_loadN+0x1f/0x30
[ 1138.317787] ? prandom_u32_state+0x9b/0xd0
[ 1138.319303] ? drm_random_reorder+0x2a/0xc0
[ 1138.320819] igt_color_evict+0x666/0x8f0
[ 1138.322299] ? igt_evict_range+0x7f0/0x7f0
[ 1138.323737] ? igt_color+0xcf3/0xd40
[ 1138.325121] ? igt_align32+0x30/0x30
[ 1138.343567] ? drm_dp_aux_dev_exit+0x50/0x50
[ 1138.345091] ? slow_is_prime_number+0xf0/0xf0
[ 1138.346673] ? igt_insert_range+0x35d/0x370
[ 1138.348201] test_drm_mm_init+0x18c/0x312
[ 1138.349651] ? do_one_initcall+0xee/0x3fe
[ 1138.351138] ? drm_kms_helper_init+0x54/0x54
[ 1138.352677] do_one_initcall+0x1b3/0x3fe
[ 1138.354133] ? start_kernel+0xa4a/0xa4a
[ 1138.355596] ? parse_args+0xcc9/0xce0
[ 1138.356999] kernel_init_freeable+0x290/0x45e
[ 1138.358545] ? rest_init+0x150/0x150
[ 1138.359934] kernel_init+0x19/0x330
[ 1138.361322] ? rest_init+0x150/0x150
[ 1138.362717] ret_from_fork+0x31/0x40
[ 1138.364077] Code: 47 72 09 01 e8 5d 06 00 00 48 83 05 6d 47 72 09 01 e9 8b 00 00 00 48 89 f8 48 ba 00 00 00 00 00 fc ff df 48 83 05 4b 47 72 09 01 <48> c1 e8 03 48 01 d0 66 83 38 00 74 69 48 8d 77 07 48 83 05 42
[ 1138.370236] Kernel panic - not syncing: softlockup: hung tasks
[ 1138.372221] CPU: 0 PID: 1 Comm: swapper Tainted: G L 4.10.0-rc5-01060-g4e64e55 #1
[ 1138.375328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[ 1138.378596] Call Trace:
[ 1138.379779] <IRQ>
[ 1138.380868] dump_stack+0x2c/0x3f
[ 1138.382243] panic+0x25a/0x655
[ 1138.383535] ? dup_mmap+0xad9/0xad9
[ 1138.384909] ? watchdog_timer_fn+0x4ce/0x5d0
[ 1138.386440] watchdog_timer_fn+0x502/0x5d0
[ 1138.387889] ? watchdog_disable_all_cpus+0x90/0x90
[ 1138.389528] hrtimer_run_queues+0x585/0xbb0
[ 1138.391023] ? hrtimer_cancel+0xa0/0xa0
[ 1138.393706] ? account_system_time+0x27b/0x470
[ 1138.395274] run_local_timers+0x16/0x80
[ 1138.396712] update_process_times+0x37/0xd0
[ 1138.398223] tick_periodic+0x191/0x1b0
[ 1138.399866] ? tick_handle_periodic+0x31/0x160
[ 1138.401427] tick_handle_periodic+0x31/0x160
[ 1138.402966] ? tick_is_oneshot_available+0x150/0x150
[ 1138.404647] local_apic_timer_interrupt+0x91/0xa0
[ 1138.406272] smp_apic_timer_interrupt+0x63/0x90
[ 1138.407829] apic_timer_interrupt+0x91/0xa0
[ 1138.409348] RIP: 0010:__asan_load8+0x55/0xd0
[ 1138.410857] RSP: 0018:ffff88000cdc7798 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10
[ 1138.413675] RAX: ffffc90000293238 RBX: ffffc90000293230 RCX: ffffffff9e66e31d
[ 1138.415756] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffc90000293238
[ 1138.417817] RBP: ffff88000cdc7798 R08: fffffbfff4aebbcc R09: fffffbfff4aebbcc
[ 1138.419883] R10: fffffbfff4aebbcb R11: ffffffffa575de5f R12: ffffc90000293240
[ 1138.421943] R13: ffffc90000293230 R14: ffffc90000293230 R15: ffffc90000293020
[ 1138.423989] </IRQ>
[ 1138.425102] ? rb_erase+0x35d/0x1230
[ 1138.426532] ? __asan_loadN+0x1f/0x30
[ 1138.427977] rb_erase+0x35d/0x1230
[ 1138.429357] rm_hole+0xb4/0xe0
[ 1138.430641] drm_mm_remove_node+0xc3/0x1010
[ 1138.432159] evict_nodes+0x3ab/0x510
[ 1138.433519] evict_color+0x12f/0x690
[ 1138.435050] ? evict_something+0x700/0x700
[ 1138.436922] ? pvclock_clocksource_read+0x333/0x360
[ 1138.438571] ? __asan_loadN+0x1f/0x30
[ 1138.439986] ? prandom_u32_state+0x9b/0xd0
[ 1138.441477] ? drm_random_reorder+0x2a/0xc0
[ 1138.442984] igt_color_evict+0x666/0x8f0
[ 1138.444446] ? igt_evict_range+0x7f0/0x7f0
[ 1138.445931] ? igt_color+0xcf3/0xd40
[ 1138.447343] ? igt_align32+0x30/0x30
[ 1138.448755] ? drm_dp_aux_dev_exit+0x50/0x50
[ 1138.450283] ? slow_is_prime_number+0xf0/0xf0
[ 1138.451817] ? igt_insert_range+0x35d/0x370
[ 1138.453343] test_drm_mm_init+0x18c/0x312
[ 1138.454807] ? do_one_initcall+0xee/0x3fe
[ 1138.456306] ? drm_kms_helper_init+0x54/0x54
[ 1138.457841] do_one_initcall+0x1b3/0x3fe
[ 1138.459317] ? start_kernel+0xa4a/0xa4a
[ 1138.460713] ? parse_args+0xcc9/0xce0
[ 1138.462137] kernel_init_freeable+0x290/0x45e
[ 1138.463684] ? rest_init+0x150/0x150
[ 1138.465071] kernel_init+0x19/0x330
[ 1138.466462] ? rest_init+0x150/0x150
[ 1138.467845] ret_from_fork+0x31/0x40
[ 1138.469424] Kernel Offset: 0x1c000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
# HH:MM RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD
git bisect start 97da3854c526d3a6ee05c849c96e48d21527606c v4.10 --
git bisect bad e72e58faa709d554f95431dbafd3374db5ed3fbb # 10:38 B 1 2 1 4 Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect good e30aee9e10bb5168579e047f05c3d13d09e23356 # 11:10 G 23 0 23 23 Merge tag 'char-misc-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
git bisect good c61c15e08abb4365f100e411604b57a03ee5ae90 # 11:34 G 24 0 24 24 Merge tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
git bisect bad 94eae8034002401d71ae950106659e16add36e77 # 12:18 B 1 1 1 1 Merge tag 'platform-drivers-x86-v4.11-1' of git://git.infradead.org/linux-platform-drivers-x86
git bisect bad 9e314890292c0dd357eadef6a043704fa0b4c157 # 12:59 B 0 1 11 0 Merge tag 'openrisc-for-linus' of git://github.com/openrisc/linux
git bisect bad f1ef09fde17f9b77ca1435a5b53a28b203afb81c # 13:46 B 3 3 3 3 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
git bisect good d5500a074741b78b7f778b4ab3415d5ecdcda0a7 # 14:15 G 23 0 23 23 Merge tag 'usercopy-v4.11-rc1.fix' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
git bisect bad ef96152e6a36e0510387cb174178b7982c1ae879 # 15:03 B 10 4 10 10 Merge tag 'drm-for-v4.11-less-shouty' of git://people.freedesktop.org/~airlied/linux
git bisect good a7e2641aafe261bf70de01ff5fc68dea50468237 # 15:42 G 25 0 25 25 Merge tag 'drm-intel-next-2017-01-23' of git://anongit.freedesktop.org/git/drm-intel into drm-next
git bisect good 45d0ea86d235251305a0e2e63485b08b5caa79e7 # 16:15 G 25 0 25 27 drm/bridge/sii8620: enable interlace modes
git bisect bad 1e2115d8c0c0da62405400316f5499d909e479bc # 16:59 B 12 2 12 14 drm/nouveau/pmu: instanciate the falcon in PMU device
git bisect bad f864b00e03a0308beae7c88e2e145a429d5872dd # 17:47 B 4 5 4 6 Merge branch 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
git bisect good dceac340155b66b6c97cb802b03d4778dd82e9be # 18:57 G 42 0 42 44 drm/msm/dsi: Return more timings from PHY to host
git bisect bad 538f1dcdc5e20adb2488fa0932d56906de166405 # 19:40 B 1 1 1 3 Merge branch 'drm-rockchip-next-2017-02-05' of https://github.com/markyzq/kernel-drm-rockchip into drm-next
git bisect good ef1844b7ed847430955a95d20242f0d1b9f5fa64 # 20:45 G 46 0 46 50 drm/rockchip: cdn-dp: don't configure hardware in mode_set
git bisect good 7e6328fd1f84f366b4cc17dc757025f485139f1a # 21:18 G 42 0 42 46 drm: Fix build when FBDEV_EMULATION is disabled
git bisect bad 4e64e5539d152e202ad6eea2b6f65f3ab58d9428 # 22:01 B 2 2 2 2 drm: Improve drm_mm search (and fix topdown allocation) with rbtrees
git bisect good 17aad8a340e6f98b62c2482d02bc3814eebde9a5 # 23:19 G 44 0 44 46 Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
# first bad commit: [4e64e5539d152e202ad6eea2b6f65f3ab58d9428] drm: Improve drm_mm search (and fix topdown allocation) with rbtrees
git bisect good 17aad8a340e6f98b62c2482d02bc3814eebde9a5 # 23:57 G 126 0 126 175 Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
# extra tests with CONFIG_DEBUG_INFO_REDUCED
git bisect bad 4e64e5539d152e202ad6eea2b6f65f3ab58d9428 # 00:39 B 5 1 5 5 drm: Improve drm_mm search (and fix topdown allocation) with rbtrees
# extra tests on HEAD of linux-devel/devel-catchup-201703280706
git bisect bad 59da01775305367d9c1d98c63b2db33b3487711d # 00:39 B 0 4 34 17 0day head guard for 'devel-catchup-201703280706'
# extra tests on tree/branch linus/master
git bisect bad ad0376eb1483bd9880770b346f6592aece669e4c # 01:19 B 0 1 11 0 Merge tag 'edac_for_4.11_2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
# extra tests with first bad commit reverted
# extra tests on tree/branch linux-next/master
git bisect bad 576190b30a35af73d1e49cc3daedd8dcf1211406 # 02:11 B 0 1 11 0 Add linux-next specific files for 20170328
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/lkp Intel Corporation
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