linux-next: arm32: beagleboard x15: WARNING: CPU: 0 PID: 0 at /usr/src/kernel/kernel/cgroup/cgroup.c:1969 cgroup_setup_root+0x36c/0x4e8

[Naresh Kamboju]

On arm32 beagleboard x15 the kernel warning generated while booting
linux next kernel 5.4.0-rc7-next-20191113. The config link attached to
this email.

metadata:
  git branch: master
  git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
  git commit: 4e8f108c3af2d6922a64df9f3d3d488c74f6009d
  git describe: next-20191113
  make_kernelversion: 5.4.0-rc7
  kernel-config:
http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/am57xx-evm/lkft/linux-next/645/config

Kernel warning log from boot:
--------------------------------------

[    0.015346] ------------[ cut here ]------------
[    0.015402] WARNING: CPU: 0 PID: 0 at
/usr/src/kernel/kernel/cgroup/cgroup.c:1969
cgroup_setup_root+0x36c/0x4e8
[    0.015425] Modules linked in:
[    0.015457] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
5.4.0-rc7-next-20191113 #1
[    0.015474] Hardware name: Generic DRA74X (Flattened Device Tree)
[    0.015490] Backtrace:
[    0.015516] [<c040f9d0>] (dump_backtrace) from [<c040fce4>]
(show_stack+0x20/0x24)
[    0.015536]  r7:c1fcf52c r6:00000000 r5:60000053 r4:c1fcf52c
[    0.015558] [<c040fcc4>] (show_stack) from [<c13751b4>]
(dump_stack+0xe8/0x114)
[    0.015582] [<c13750cc>] (dump_stack) from [<c0459f2c>] (__warn+0x100/0x118)
[    0.015602]  r10:c1e48108 r9:c053afb4 r8:000007b1 r7:c19ba84c
r6:00000009 r5:00000000
[    0.015619]  r4:00000000 r3:3b5e5f67
[    0.015641] [<c0459e2c>] (__warn) from [<c0459ffc>]
(warn_slowpath_fmt+0xb8/0xc0)
[    0.015660]  r9:00000009 r8:c053afb4 r7:000007b1 r6:c19ba84c
r5:00000000 r4:c1e086c8
[    0.015683] [<c0459f48>] (warn_slowpath_fmt) from [<c053afb4>]
(cgroup_setup_root+0x36c/0x4e8)
[    0.015702]  r9:c1e48c40 r8:c1e48c28 r7:00000001 r6:00000001
r5:c1e086c8 r4:c1e01f24
[    0.015726] [<c053ac48>] (cgroup_setup_root) from [<c1c2a260>]
(cgroup_init+0x108/0x560)
[    0.015745]  r10:c200d880 r9:00000001 r8:ffffffff r7:c200d880
r6:c26340e0 r5:c200d8d4
[    0.015760]  r4:c1e48108
[    0.015782] [<c1c2a158>] (cgroup_init) from [<c1c010fc>]
(start_kernel+0x4f0/0x534)
[    0.015800]  r10:c200d880 r9:00000001 r8:ffffffff r7:c200d880
r6:c1cf8a64 r5:c200d8d4
[    0.015816]  r4:c1e086c8
[    0.015838] [<c1c00c0c>] (start_kernel) from [<00000000>] (0x0)
[    0.015856]  r10:30c5387d r9:412fc0f2 r8:8ffdd000 r7:00000000
r6:30c0387d r5:00000000
[    0.015872]  r4:c1c00330
[    0.015888] irq event stamp: 413
[    0.015916] hardirqs last  enabled at (421): [<c04d88e8>]
console_unlock+0x47c/0x670
[    0.015941] hardirqs last disabled at (428): [<c04d8544>]
console_unlock+0xd8/0x670
[    0.015968] softirqs last  enabled at (12): [<c0402f44>]
__do_softirq+0x3e4/0x5d0
[    0.015993] softirqs last disabled at (5): [<c0463e24>] irq_exit+0x170/0x180
[    0.016029] ---[ end trace b9be8c6dacc21523 ]---

complete test log link,
https://qa-reports.linaro.org/lkft/linux-next-oe/build/next-20191113/testrun/1008653/log


- Naresh

Attachment: config
Description: Binary data