System crashed with error - RIP wake_q_add+0x17/0x50
Issue
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System crashed with following messages on console:
general protection fault: 0000 [#1] SMP Modules linked in: binfmt_misc dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio scst_disk(OE) scst_user(OE) scst_vdisk(OE) iscsi_scst(OE) scst(OE) dlm raid0 raid456 async_raid6_recov async_memcpy [...] CPU: 9 PID: 67573 Comm: kvdo0:callbackW Kdump: loaded Tainted: G OE ------------ 3.10.0-862.20.2.el7.x86_64 #1 Hardware name: LENOVO CP-SB/CP-SB-D20, BIOS CLR00105 05/09/2019 task: ffff935970f18fd0 ti: ffff934f04724000 task.ti: ffff934f04724000 RIP: 0010:[<ffffffff96acdc17>] [<ffffffff96acdc17>] wake_q_add+0x17/0x50 RSP: 0018:ffff934f04727db0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff935b04bffba0 RCX: 006fffff00000fb0 RDX: 0000000000000001 RSI: 006fffff00000000 RDI: ffff934f04727dc0 RBP: ffff934f04727db0 R08: ffffffff97217fa8 R09: ffffffff97aca040 R10: 0000000000000000 R11: 0000000000015ab9 R12: ffff935b04bffb9c R13: ffff934f04727dc0 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff93531e840000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f92e4002000 CR3: 0000000cef60e000 CR4: 00000000007607e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 00000000 Call Trace: [<ffffffff97117c7e>] __mutex_unlock_slowpath+0x5e/0x90 [<ffffffff971170fb>] mutex_unlock+0x1b/0x20 [<ffffffffc0a0b2fc>] enterCallbackStage+0x6c/0xc0 [uds] [<ffffffffc0a057f0>] handleCallbacks+0xb0/0xd0 [uds] [<ffffffffc0a033ac>] requestQueueWorker+0x15c/0x1b0 [uds] [<ffffffffc09fdf80>] ? lookupThread+0x60/0x60 [uds] [<ffffffffc09fe01a>] threadStarter+0x9a/0xd0 [uds] [<ffffffff96abdf61>] kthread+0xd1/0xe0 [<ffffffff96abde90>] ? insert_kthread_work+0x40/0x40 [<ffffffff971255dd>] ret_from_fork_nospec_begin+0x7/0x21 [<ffffffff96abde90>] ? insert_kthread_work+0x40/0x40 Code: 09 00 00 31 c9 31 d2 e8 d8 40 ff ff eb e4 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48 8d 8e b0 0f 00 00 31 c0 ba 01 00 00 00 48 89 e5 <f0> 48 0f b1 96 b0 0f 00 00 48 85 c0 74 0b 5d c3 66 0f 1f 84 00 RIP [<ffffffff96acdc17>] wake_q_add+0x17/0x50 RSP <ffff934f04727db0>
Environment
- Red Hat Enterprise Linux 7.5
- kernel-3.10.0-862.20.2.el7
- kmod-kvdo-6.1.0.187-17.el7_5
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