dmesg

[    2.299468] BUG: sleeping function called from invalid context at ../../../../../../kernel/xiaomi/armani/mm/slub.c:993
[    2.299481] in_atomic(): 1, irqs_disabled(): 0, pid: 1, name: swapper/0
[    2.299509] [<c010ebd4>] (unwind_backtrace+0x0/0x140) from [<c0a5f648>] (dump_stack+0x20/0x24)
[    2.299528] [<c0a5f648>] (dump_stack+0x20/0x24) from [<c01d66d0>] (__might_sleep+0x130/0x134)
[    2.299545] [<c01d66d0>] (__might_sleep+0x130/0x134) from [<c0289fb4>] (__kmalloc+0x188/0x2c8)
[    2.299564] [<c0289fb4>] (__kmalloc+0x188/0x2c8) from [<c01c166c>] (__alloc_workqueue_key+0x58/0x4a8)
[    2.299584] [<c01c166c>] (__alloc_workqueue_key+0x58/0x4a8) from [<c102eabc>] (cpufreq_gov_dbs_init+0x40/0x100)
[    2.299603] [<c102eabc>] (cpufreq_gov_dbs_init+0x40/0x100) from [<c01006c8>] (do_one_initcall+0x144/0x1b4)
[    2.299621] [<c01006c8>] (do_one_initcall+0x144/0x1b4) from [<c1000ccc>] (kernel_init+0x134/0x1c8)
[    2.299639] [<c1000ccc>] (kernel_init+0x134/0x1c8) from [<c01080bc>] (kernel_thread_exit+0x0/0x8)