Server panics due to "kernel BUG at kernel/sched/core.c:552!"

Solution Verified - Updated -

Issue

  • System panics with following calltraces in kernel ring buffer:
[ 4271.448260] ------------[ cut here ]------------
[ 4271.448735] kernel BUG at kernel/sched/core.c:552!
[ 4271.449150] invalid opcode: 0000 [#1] SMP 
[...]
[ 4271.456823] CPU: 1 PID: 68680 Comm: systemd-sysctl Tainted: G               ------------ T 3.10.0-514.2.2.el7.x86_64 #1
[ 4271.457773] Hardware name: Dell Inc. PowerEdge R630/02C2CP, BIOS 2.1.5 04/11/2016
[ 4271.458749] task: ffff88103c2c3ec0 ti: ffff881017fbc000 task.ti: ffff881017fbc000
[ 4271.459747] RIP: 0010:[<ffffffff810c0d44>]  [<ffffffff810c0d44>] resched_task+0xc4/0xd0
[ 4271.460781] RSP: 0000:ffff88203de03ee8  EFLAGS: 00010046
[ 4271.461820] RAX: 0000000060a260a2 RBX: 0000000000000000 RCX: ffff881017fbc000
[ 4271.462924] RDX: 00000000000060a2 RSI: ffff8810f9568fb0 RDI: ffff88103c2c3ec0
[ 4271.464002] RBP: ffff88203de03ef8 R08: ffffffff816bb940 R09: ffff881017fbfde8
[ 4271.465130] R10: 0000000000000002 R11: 0000000000000000 R12: ffff8810f9568fb0
[ 4271.466305] R13: ffff88203de16c40 R14: ffff88007520fb00 R15: ffff88103a7e23b8
[ 4271.467473] FS:  00007f656d948740(0000) GS:ffff88203de00000(0000) knlGS:0000000000000000
[ 4271.468647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4271.469838] CR2: 00007f656cf7e020 CR3: 0000000f4ae9c000 CR4: 00000000001407e0
[ 4271.471053] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4271.472286] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 4271.473510] Stack:
[ 4271.474700]  ffff88203de16c40 ffff8810f9568fb0 ffff88203de03f10 ffffffff810c1a65
[ 4271.475933]  ffff8810f9568fb0 ffff88203de03f38 ffffffff810c1aa9 ffff8810f9568fb0
[ 4271.477202]  ffff88203de16c40 0000000000000082 ffff88203de03f58 ffffffff810c1c3d
[ 4271.478482] Call Trace:
[ 4271.479714]  <IRQ> 
[ 4271.479725] 
[ 4271.480947]  [<ffffffff810c1a65>] check_preempt_curr+0x75/0xa0
[ 4271.482218]  [<ffffffff810c1aa9>] ttwu_do_wakeup+0x19/0xd0
[ 4271.483519]  [<ffffffff810c1c3d>] ttwu_do_activate.constprop.90+0x5d/0x70
[ 4271.484803]  [<ffffffff810c25af>] sched_ttwu_pending+0x4f/0x70
[ 4271.486099]  [<ffffffff810c2608>] scheduler_ipi+0x38/0x1a0
[ 4271.487471]  [<ffffffff8104e49a>] smp_reschedule_interrupt+0x2a/0x30
[ 4271.488802]  [<ffffffff81697b1d>] reschedule_interrupt+0x6d/0x80
[ 4271.490145]  <EOI> 
[ 4271.490157] 
[ 4271.491518]  [<ffffffff811830bf>] ? filemap_fault+0x6f/0x410
[ 4271.492862]  [<ffffffff81183265>] ? filemap_fault+0x215/0x410
[ 4271.494244]  [<ffffffffa02cc63f>] xfs_filemap_fault+0x5f/0xf0 [xfs]
[ 4271.495616]  [<ffffffff811ac2fc>] __do_fault+0x4c/0xc0
[ 4271.496945]  [<ffffffff811ac793>] do_read_fault.isra.42+0x43/0x130
[ 4271.498293]  [<ffffffff811b0f21>] handle_mm_fault+0x6b1/0xfe0
[ 4271.499627]  [<ffffffff81691b94>] __do_page_fault+0x154/0x450
[ 4271.500942]  [<ffffffff81691ec5>] do_page_fault+0x35/0x90
[ 4271.502271]  [<ffffffff8168e188>] page_fault+0x28/0x30
[ 4271.503578] Code: 89 de ff d0 49 8b 04 24 48 85 c0 75 ea 5b 41 5c 5d c3 0f 1f 44 00 00 89 df ff 15 e8 69 91 00 5b 41 5c 5d c3 f0 80 49 10 08 eb b5 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 
[ 4271.506242] RIP  [<ffffffff810c0d44>] resched_task+0xc4/0xd0
[ 4271.507532]  RSP <ffff88203de03ee8>

Environment

  • Red Hat Enterprise Linux 7.3

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