Greetings,
Here is a microcode/load_module error triggered by debug check commit
64c2181bc433b17f04da8fe8592aa83cceac9606 ("sched: Debug nested sleeps"):
[ 6.010476] microcode: CPU0 sig=0x106a3, pf=0x1, revision=0x1
[ 6.011896] microcode: CPU1 sig=0x106a3, pf=0x1, revision=0x1
[ 6.020554] ------------[ cut here ]------------
[ 6.021988] WARNING: CPU: 0 PID: 1444 at kernel/sched/core.c:7094
__might_sleep+0x51/0x16f()
[ 6.024909] do not call blocking ops when !TASK_RUNNING; state=1 set at
[<ffffffff81111e4c>] prepare_to_wait_event+0xb2/0xee
[ 6.026998] Modules linked in: microcode(+)
[ 6.027998] CPU: 0 PID: 1444 Comm: modprobe Not tainted
3.16.0-02034-gf5d04af #1
[ 6.029603] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 6.030674] 0000000000000000 ffff88003da2bd00 ffffffff819c7cb6
ffff88003da2bd48
[ 6.032577] ffff88003da2bd38 ffffffff810e1dd0 ffffffff810ff665
ffff88003d91b7e0
[ 6.034417] ffffffff81cd5c89 0000000000000061 0000000000000000
ffff88003da2bd98
[ 6.036236] Call Trace:
[ 6.036908] [<ffffffff819c7cb6>] dump_stack+0x4d/0x66
[ 6.037894] [<ffffffff810e1dd0>] warn_slowpath_common+0x7f/0x98
[ 6.038601] microcode: Microcode Update Driver: v2.00
<[email protected]>, Peter Oruba
[ 6.040761] [<ffffffff810ff665>] ? __might_sleep+0x51/0x16f
[ 6.041861] [<ffffffff810e1e35>] warn_slowpath_fmt+0x4c/0x4e
[ 6.043034] [<ffffffff811c06d7>] ? __vmalloc_node_range+0x18d/0x1f1
[ 6.044270] [<ffffffff81141bf6>] ? module_alloc_update_bounds+0x14/0x5f
[ 6.045458] [<ffffffff81111e4c>] ? prepare_to_wait_event+0xb2/0xee
[ 6.046592] [<ffffffff81111e4c>] ? prepare_to_wait_event+0xb2/0xee
[ 6.048258] [<ffffffff810ff665>] __might_sleep+0x51/0x16f
[ 6.049501] [<ffffffff819cda15>] mutex_lock+0x20/0x42
[ 6.050601] [<ffffffff811403c0>] finished_loading+0x19/0x63
[ 6.051823] [<ffffffff8114217d>] load_module+0x522/0x1f0a
[ 6.053086] [<ffffffff81492e1b>] ? trace_hardirqs_on_thunk+0x3a/0x3c
[ 6.054498] [<ffffffff819d0564>] ? retint_restore_args+0x13/0x13
[ 6.055607] [<ffffffff81111f6c>] ? wait_woken+0x69/0x69
[ 6.056645] [<ffffffff81143c2f>] SyS_init_module+0xca/0xd9
[ 6.057637] [<ffffffff819cfa29>] system_call_fastpath+0x16/0x1b
[ 6.058751] ---[ end trace ee9cd23bc6a36c85 ]---
[ 6.098452] ------------[ cut here ]------------
Thanks,
Fengguang
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