x15: kernel crash: LR is at sysc_enable_opt_clocks

From: Naresh Kamboju
Date: Wed Sep 14 2022 - 08:47:34 EST

Following kernel crash noticed on arm TI x15 device while booting the
mainline kernel 6.0.0-rc4.

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

[ 1.427429] ti-sysc: probe of 4ae18000.target-module failed with error -16
[ 1.442718] printk: console [ttyS2] disabled
[ 1.442779] 48020000.serial: ttyS2 at MMIO 0x48020000 (irq = 101,
base_baud = 3000000) is a 8250
[ 1.740112] ata1: SATA link down (SStatus 0 SControl 300)
[ 2.789703] printk: console [ttyS2] enabled
[ 2.809356] gpio gpiochip1: (gpio-32-63): not an immutable chip,
please consider fixing it!
[ 2.820007] gpio gpiochip2: (gpio-64-95): not an immutable chip,
please consider fixing it!
[ 2.830657] gpio gpiochip3: (gpio-96-127): not an immutable chip,
please consider fixing it!
[ 2.841278] gpio gpiochip4: (gpio-128-159): not an immutable chip,
please consider fixing it!
[ 2.851928] gpio gpiochip5: (gpio-160-191): not an immutable chip,
please consider fixing it!
[ 2.862548] gpio gpiochip6: (gpio-192-223): not an immutable chip,
please consider fixing it!
[ 2.873229] gpio gpiochip7: (gpio-224-255): not an immutable chip,
please consider fixing it!
[ 2.885131] omap_i2c 48060000.i2c: bus 2 rev0.12 at 400 kHz
[ 2.900146] palmas 0-0058: Irq flag is 0x00000008
[ 2.933776] palmas 0-0058: Muxing GPIO 2f, PWM 0, LED 0
[ 2.981475] at24 0-0050: supply vcc not found, using dummy regulator
[ 2.988311] at24 0-0050: 4096 byte 24c32 EEPROM, writable, 1 bytes/write
[ 2.995178] omap_i2c 48070000.i2c: bus 0 rev0.12 at 400 kHz
[ 3.014984] omap_rng 48090000.rng: Random Number Generator ver. 20
[ 3.029357] omap_gpio 4805d000.gpio: Could not set line 27 debounce
to 200000 microseconds (-22)
[ 3.038238] sdhci-omap 4809c000.mmc: Got CD GPIO
[ 3.043182] sdhci-omap 4809c000.mmc: supply vqmmc not found, using
dummy regulator
[ 3.059600] random: crng init done
[ 3.059631] 8<--- cut here ---
[ 3.066101] Unable to handle kernel paging request at virtual
address adacafae
[ 3.073394] [adacafae] *pgd=00000000
[ 3.076995] Internal error: Oops: 5 [#1] SMP ARM
[ 3.081634] Modules linked in:
[ 3.084716] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted 6.0.0-rc4 #1
[ 3.091278] Hardware name: Generic DRA74X (Flattened Device Tree)
[ 3.097381] Workqueue: events_unbound deferred_probe_work_func
[ 3.103271] PC is at clk_enable+0x14/0x3c
[ 3.107299] LR is at sysc_enable_opt_clocks+0x4c/0xa0
[ 3.112396] pc : [<c0991050>] lr : [<c0893c4c>] psr: a0000013
[ 3.118682] sp : f00317c0 ip : 00000000 fp : c1470f48
[ 3.123931] r10: 00000028 r9 : c14713e8 r8 : c29e5e80
[ 3.129180] r7 : ffffffed r6 : c3b3d840 r5 : 00000000 r4 : adacafae
[ 3.135742] r3 : adacafae r2 : 2cb8a000 r1 : 00000000 r0 : adacafae
[ 3.142303] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
[ 3.149475] Control: 10c5387d Table: 8020406a DAC: 00000051
[ 3.155273] Register r0 information: non-paged memory
[ 3.160339] Register r1 information: NULL pointer
[ 3.165069] Register r2 information: non-paged memory
[ 3.170166] Register r3 information: non-paged memory
[ 3.175231] Register r4 information: non-paged memory
[ 3.180297] Register r5 information: NULL pointer
[ 3.185028] Register r6 information: slab kmalloc-256 start
c3b3d800 pointer offset 64 size 256
[ 3.193817] Register r7 information: non-paged memory
[ 3.198883] Register r8 information: slab task_struct start
c29e5e80 pointer offset 0
[ 3.206787] Register r9 information: non-slab/vmalloc memory
[ 3.212463] Register r10 information: non-paged memory
[ 3.217620] Register r11 information: non-slab/vmalloc memory
[ 3.223419] Register r12 information: NULL pointer
[ 3.228210] Process kworker/u4:1 (pid: 10, stack limit = 0xa607d42a)
[ 3.234619] Stack: (0xf00317c0 to 0xf0032000)
[ 3.239013] 17c0: 00000003 00000000 c3b3d840 c0893c4c c3b3d840
c230e278 c3922810 c0896794
[ 3.247222] 17e0: 00000001 00000000 c2023984 c1ad37f4 c3922810
c230e278 00000001 c3922810
[ 3.255432] 1800: c29e5e80 c1ad36c0 00000001 00000001 00000006
1fd8a6ff 00000000 00000000
[ 3.263671] 1820: c3922810 c210ce8c c227f600 00000000 c2321328
eeb85c9c eeb85c9c c0b9a570
[ 3.271881] 1840: 00000000 c3922810 c210ce8c c0b976ac c3922910
00000073 c3922810 c227f600
[ 3.280090] 1860: c210ce8c 00000073 c227f378 c0b97a88 c1471e50
eeb85c80 c2321350 c210ce8c
[ 3.288330] 1880: c3922810 c227f378 c2321328 eeb85c9c eeb85c9c
c0b97c24 00000001 c210ce8c
[ 3.296539] 18a0: f00318f4 c3922810 c227f378 c0b9834c 00000000
f00318f4 c29e5e80 c0b98298
[ 3.304748] 18c0: c227f378 c0b954e4 c391fc94 c298c56c c2f0f438
1fd8a6ff 00000001 c3922810
[ 3.312988] 18e0: 00000001 c29e5e80 c3922854 c0b97ef4 c391fc10
c3922810 00000001 1fd8a6ff
[ 3.321197] 1900: eeb85f24 c3922810 c21fc1e0 c3922810 c29e5e80
c0b966f8 c3922810 00000000
[ 3.329406] 1920: c391fc10 c0b93c04 c21fbc44 eeb85ca0 eeb85c8c
48468004 48468007 ff8efc2c
[ 3.337646] 1940: 00000200 00000000 00000000 00000000 00000000
1fd8a6ff c3922810 c3922800
[ 3.345855] 1960: c391fc10 00000000 c2023984 eeb85ce4 c29e5e80
00000000 00000001 c109a164
[ 3.354064] 1980: eeb85c80 c2023828 00000000 c2023968 c2023984
c109a4ec c29e5e80 c1313e90
[ 3.362304] 19a0: c391fc10 00000000 eeb85ce4 f00319f0 c1b2e02c
48468000 48468003 ff8efc28
[ 3.370513] 19c0: 00000200 00000000 00000000 00000000 00000000
1fd8a6ff 60000013 eeb85c80
[ 3.378723] 19e0: eeb80ed8 00000000 c2023828 c391fc10 00000001
00000000 eeb80ef4 c109a9bc
[ 3.386962] 1a00: 00000001 00000000 c391fc10 eeb80ed8 c2023828
c227f600 00000000 c2321328
[ 3.395172] 1a20: eeb80ef4 c0893838 00000000 c391fc10 c210ce18
c0b9a570 00000000 c391fc10
[ 3.403381] 1a40: c210ce18 c0b976ac c391fd10 0000006b c391fc10
c227f600 c210ce18 0000006b
[ 3.411621] 1a60: c227f378 c0b97a88 c14706f4 eeb80ed8 c2321350
c210ce18 c391fc10 c227f378
[ 3.419830] 1a80: c2321328 eeb80ef4 eeb80ef4 c0b97c24 00000001
c210ce18 f0031aec c391fc10
[ 3.428070] 1aa0: c227f378 c0b9834c 00000000 f0031aec c29e5e80
c0b98298 c227f378 c0b954e4
[ 3.436279] 1ac0: c391ec94 c298c56c c2f0f3b8 1fd8a6ff 00000000
c391fc10 00000001 c29e5e80
[ 3.444488] 1ae0: c391fc54 c0b97ef4 c391ec10 c391fc10 00000001
1fd8a6ff eeb88288 c391fc10
[ 3.452697] 1b00: c21fc1e0 c391fc10 c29e5e80 c0b966f8 c391fc10
00000000 c391ec10 c0b93c04
[ 3.460937] 1b20: c21fbc44 eeb80ef8 eeb80ee4 f0031bac c2023828
eeb80ed8 c29e5e80 00000000
[ 3.469146] 1b40: c233dbb0 60000013 60000013 1fd8a6ff c391fc10
c391fc00 c391ec10 00000000
[ 3.477355] 1b60: c2023828 eeb80f3c c29e5e80 00000000 00000001
c109a164 eeb80ed8 c2023828
[ 3.485595] 1b80: 00000000 c2023918 c2023828 c109a4ec c391ec10
1fd8a6ff c391ec10 00000000
[ 3.493804] 1ba0: eeb80f3c c2c23448 c391ec10 c0bb3250 00000000
f0031bbc eeb80c58 eeb6d818
[ 3.502044] 1bc0: c233dbb0 60000013 60000013 1fd8a6ff 60000013
eeb80ed8 eeb80c3c 00000000
[ 3.510253] 1be0: c2023828 c391ec10 00000001 eeb80c58 eeb80c58
c109a9bc 00000001 00000000
[ 3.518463] 1c00: c391ec10 eeb80c3c c2023828 c227f600 00000000
c2321328 eeb80c58 c0893838
[ 3.526672] 1c20: 00000000 c391ec10 c210ce18 c0b9a570 00000000
c391ec10 c210ce18 c0b976ac
[ 3.534912] 1c40: c391ed10 0000006b c391ec10 c227f600 c210ce18
0000006b c227f378 c0b97a88
[ 3.543121] 1c60: c14706f4 eeb80c3c c2321350 c210ce18 c391ec10
c227f378 c2321328 eeb80c58
[ 3.551330] 1c80: eeb80c58 c0b97c24 00000001 c210ce18 f0031ce4
c391ec10 c227f378 c0b9834c
[ 3.559570] 1ca0: 00000000 f0031ce4 c29e5e80 c0b98298 c227f378
c0b954e4 c2bf7c94 c298c56c
[ 3.567779] 1cc0: c2f0f3b8 1fd8a6ff 00000001 c391ec10 00000001
c29e5e80 c391ec54 c0b97ef4
[ 3.575988] 1ce0: 00000000 c391ec10 00000001 1fd8a6ff eeb80ee4
c391ec10 c21fc1e0 c391ec10
[ 3.584228] 1d00: c29e5e80 c0b966f8 c391ec10 00000000 c2bf7c10
c0b93c04 c21fbc44 eeb80c5c
[ 3.592437] 1d20: eeb80c48 48401800 48401bff ff8eddca 00000200
00000000 00000000 00000000
[ 3.600646] 1d40: 00000000 1fd8a6ff c391ec10 c391ec00 c2bf7c10
00000000 c2023828 eeb80ca0
[ 3.608886] 1d60: c29e5e80 00000000 00000001 c109a164 eeb80c3c
c2023828 00000000 c2023968
[ 3.617095] 1d80: c2023828 c109a4ec 00000000 1fd8a6ff c2bf7c10
00000000 eeb80ca0 c2c21c48
[ 3.625305] 1da0: c2bf7c10 48400000 484007ff ff8eddbc 00000200
00000000 00000000 00000000
[ 3.633544] 1dc0: 00000000 1fd8a6ff 60000013 eeb80c3c eeb3ff88
00000000 c2023828 c2bf7c10
[ 3.641754] 1de0: 00000001 00000000 c2269e40 c109a9bc 00000001
00000000 c2bf7c10 eeb3ff88
[ 3.649963] 1e00: c2023828 c227f600 00000000 c290f00d c29e5e80
c0893838 00000000 c2bf7c10
[ 3.658203] 1e20: c210ce18 c0b9a570 00000000 c2bf7c10 c210ce18
c0b976ac c2bf7d10 00000001
[ 3.666412] 1e40: c2bf7c10 c227f600 c210ce18 00000001 c1b72f68
c0b97a88 c14706f4 eeb3ff88
[ 3.674621] 1e60: c2321350 c210ce18 c2bf7c10 c1b72f68 c290f00d
c29e5e80 c2269e40 c0b97c24
[ 3.682861] 1e80: 00000001 c210ce18 f0031edc c2bf7c10 c1b72f68
c0b9834c 00000000 f0031edc
[ 3.691070] 1ea0: c29e5e80 c0b98298 c1b72f68 c0b954e4 c21fc084
c298c56c c2f0f3b8 1fd8a6ff
[ 3.699279] 1ec0: fffffff3 c2bf7c10 00000001 c29e5e80 c2bf7c54
c0b97ef4 00000000 c2bf7c10
[ 3.707519] 1ee0: 00000001 1fd8a6ff 00000000 c2bf7c10 c21fc1e0
c2bf7c10 c227f600 c0b966f8
[ 3.715728] 1f00: c2bf7c10 c21fbf2c c21fbf40 c0b96c1c c21fbf64
c2981a80 c280aa00 c290f000
[ 3.723937] 1f20: 00000000 c0368284 00000200 c29e5e80 c280aa00
c280aa00 c280aa1c c2981a80
[ 3.732177] 1f40: c280aa00 c2981a98 c280aa1c c2003d40 00000088
c29e5e80 c280aa00 c03687a0
[ 3.740386] 1f60: c29e5e80 c2269329 c29b0054 c298df80 c29e5e80
c0368564 c2981a80 c29b0040
[ 3.748596] 1f80: f0029eb4 00000000 00000000 c03709ec c298df80
c0370914 00000000 00000000
[ 3.756835] 1fa0: 00000000 00000000 00000000 c0300168 00000000
00000000 00000000 00000000
[ 3.765045] 1fc0: 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000
[ 3.773254] 1fe0: 00000000 00000000 00000000 00000000 00000013
00000000 00000000 00000000
[ 3.781494] clk_enable from sysc_enable_opt_clocks+0x4c/0xa0
[ 3.787261] sysc_enable_opt_clocks from sysc_probe+0xda0/0x1598
[ 3.793304] sysc_probe from platform_probe+0x64/0xc0
[ 3.798400] platform_probe from really_probe+0xe8/0x41c
[ 3.803741] really_probe from __driver_probe_device+0xa8/0x20c
[ 3.809692] __driver_probe_device from driver_probe_device+0x38/0xc8
[ 3.816192] driver_probe_device from __device_attach_driver+0xb4/0x130
[ 3.822845] __device_attach_driver from bus_for_each_drv+0x84/0xc8
[ 3.829162] bus_for_each_drv from __device_attach+0xb0/0x210
[ 3.834930] __device_attach from bus_probe_device+0x8c/0x94
[ 3.840637] bus_probe_device from device_add+0x3ec/0x924
[ 3.846069] device_add from of_platform_device_create_pdata+0x98/0xc8
[ 3.852630] of_platform_device_create_pdata from
of_platform_bus_create+0x200/0x4d8
[ 3.860412] of_platform_bus_create from of_platform_populate+0x9c/0x138
[ 3.867156] of_platform_populate from simple_pm_bus_probe+0xac/0xd0
[ 3.873565] simple_pm_bus_probe from platform_probe+0x64/0xc0
[ 3.879425] platform_probe from really_probe+0xe8/0x41c
[ 3.884765] really_probe from __driver_probe_device+0xa8/0x20c
[ 3.890747] __driver_probe_device from driver_probe_device+0x38/0xc8
[ 3.897216] driver_probe_device from __device_attach_driver+0xb4/0x130
[ 3.903869] __device_attach_driver from bus_for_each_drv+0x84/0xc8
[ 3.910186] bus_for_each_drv from __device_attach+0xb0/0x210
[ 3.915954] __device_attach from bus_probe_device+0x8c/0x94
[ 3.921661] bus_probe_device from device_add+0x3ec/0x924
[ 3.927093] device_add from of_platform_device_create_pdata+0x98/0xc8
[ 3.933654] of_platform_device_create_pdata from
of_platform_bus_create+0x200/0x4d8
[ 3.941436] of_platform_bus_create from of_platform_populate+0x9c/0x138
[ 3.948181] of_platform_populate from simple_pm_bus_probe+0xac/0xd0
[ 3.954559] simple_pm_bus_probe from platform_probe+0x64/0xc0
[ 3.960449] platform_probe from really_probe+0xe8/0x41c
[ 3.965789] really_probe from __driver_probe_device+0xa8/0x20c
[ 3.971740] __driver_probe_device from driver_probe_device+0x38/0xc8
[ 3.978210] driver_probe_device from __device_attach_driver+0xb4/0x130
[ 3.984893] __device_attach_driver from bus_for_each_drv+0x84/0xc8
[ 3.991180] bus_for_each_drv from __device_attach+0xb0/0x210
[ 3.996978] __device_attach from bus_probe_device+0x8c/0x94
[ 4.002655] bus_probe_device from device_add+0x3ec/0x924
[ 4.008087] device_add from of_platform_device_create_pdata+0x98/0xc8
[ 4.014648] of_platform_device_create_pdata from
of_platform_bus_create+0x200/0x4d8
[ 4.022460] of_platform_bus_create from of_platform_populate+0x9c/0x138
[ 4.029205] of_platform_populate from simple_pm_bus_probe+0xac/0xd0
[ 4.035583] simple_pm_bus_probe from platform_probe+0x64/0xc0
[ 4.041473] platform_probe from really_probe+0xe8/0x41c
[ 4.046813] really_probe from __driver_probe_device+0xa8/0x20c
[ 4.052764] __driver_probe_device from driver_probe_device+0x38/0xc8
[ 4.059234] driver_probe_device from __device_attach_driver+0xb4/0x130
[ 4.065887] __device_attach_driver from bus_for_each_drv+0x84/0xc8
[ 4.072204] bus_for_each_drv from __device_attach+0xb0/0x210
[ 4.077972] __device_attach from bus_probe_device+0x8c/0x94
[ 4.083679] bus_probe_device from deferred_probe_work_func+0x9c/0xdc
[ 4.090148] deferred_probe_work_func from process_one_work+0x1f8/0x4d8
[ 4.096832] process_one_work from worker_thread+0x23c/0x560
[ 4.102508] worker_thread from kthread+0xd8/0xf4
[ 4.107238] kthread from ret_from_fork+0x14/0x2c
[ 4.111968] Exception stack(0xf0031fb0 to 0xf0031ff8)
[ 4.117065] 1fa0: 00000000
00000000 00000000 00000000
[ 4.125274] 1fc0: 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000
[ 4.129486] omap_i2c 48070000.i2c: controller timed out
[ 4.133483] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 4.145385] Code: e52de004 e28dd004 e2504000 0a000007 (e5944000)
[ 4.151580] ---[ end trace 0000000000000000 ]---


Full test log link,
- https://lkft.validation.linaro.org/scheduler/job/5508159

metadata:
git_ref: master
git_repo: https://gitlab.com/Linaro/lkft/mirrors/torvalds/linux-mainline
git_sha: 4ed9c1e971b1f6474793da20496fa53c35d4a37b
git_describe: v6.0-rc4-331-g4ed9c1e971b1
kernel_version: 6.0.0-rc4
vmlinux.xz: https://builds.tuxbuild.com/2EdZsxzHqjwlxqJnMhU6OByEK2x/vmlinux.xz
System.map: https://builds.tuxbuild.com/2EdZsxzHqjwlxqJnMhU6OByEK2x/System.map
kernel-config: https://builds.tuxbuild.com/2EdZsxzHqjwlxqJnMhU6OByEK2x/config
build-url: https://gitlab.com/Linaro/lkft/mirrors/torvalds/linux-mainline/-/pipelines/637024757
artifact-location: https://builds.tuxbuild.com/2EdZsxzHqjwlxqJnMhU6OByEK2x
toolchain: gcc-10


--
Linaro LKFT
https://lkft.linaro.org