System crash in SCSI code due to dh_alua race

Solution Unverified - Updated -

Issue

  • System crash in SCSI code due to dh_alua race:
[101680.315318] BUG: unable to handle kernel paging request at ffffffff8ccf34a0
[101680.315476] IP: [<ffffffff8ccf34a0>] class_dir_ktype+0x0/0x40
[101680.315635] PGD cbb414067 PUD cbb415063 PMD 31cd7b3063 PTE 8000000cbb4f3063
[101680.315811] Oops: 0011 [#1] SMP 
....
[101680.318348] CPU: 1 PID: 0 Comm: swapper/1 Kdump: loaded Tainted: P           OE  ------------   3.10.0-1160.11.1.el7.x86_64 #1
[101680.318639] Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 10/16/2020
[101680.318932] task: ffff95803cba4200 ti: ffff95803cbb4000 task.ti: ffff95803cbb4000
[101680.319223] RIP: 0010:[<ffffffff8ccf34a0>]  [<ffffffff8ccf34a0>] class_dir_ktype+0x0/0x40
[101680.319518] RSP: 0018:ffff95ad7f843e38  EFLAGS: 00010286
[101680.319668] RAX: ffffffff8ccf34a0 RBX: ffff95b45ab15180 RCX: 0000000000000001
[101680.319958] RDX: 0000000000000000 RSI: ffff95ad7f843e40 RDI: ffff95b316f08000
[101680.320247] RBP: ffff95ad7f843e68 R08: ffffffff8c81e640 R09: ffff95803cba4200
[101680.320536] R10: 000000000002c1a7 R11: ffff95ad7f843986 R12: ffff95b316f08000
[101680.320826] R13: 0000000000000006 R14: 0000000000000005 R15: 0000000000000001
[101680.321115] FS:  0000000000000000(0000) GS:ffff95ad7f840000(0000) knlGS:0000000000000000
[101680.321405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[101680.321554] CR2: ffffffff8ccf34a0 CR3: 0000000cbb410000 CR4: 00000000003607e0
[101680.321845] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[101680.322153] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[101680.322498] Call Trace:
[101680.322644]  <IRQ> 
[101680.322655]  [<ffffffff8c4e6684>] ? scsi_check_sense+0xb4/0x4b0
[101680.322947]  [<ffffffff8c4e8e90>] scsi_decide_disposition+0x1d0/0x240
[101680.323100]  [<ffffffff8c4ecd07>] scsi_softirq_done+0x57/0x160
[101680.323251]  [<ffffffff8c35d426>] blk_done_softirq+0x96/0xc0
[101680.323406]  [<ffffffff8c0a4b95>] __do_softirq+0xf5/0x280
[101680.323560]  [<ffffffff8c7974ec>] call_softirq+0x1c/0x30
[101680.323712]  [<ffffffff8c02f715>] do_softirq+0x65/0xa0
[101680.323865]  [<ffffffff8c0a4f15>] irq_exit+0x105/0x110
[101680.324014]  [<ffffffff8c798936>] do_IRQ+0x56/0xf0
[101680.324167]  [<ffffffff8c78a36a>] common_interrupt+0x16a/0x16a
[101680.324316]  <EOI> 
[101680.324325]  [<ffffffff8c5c7267>] ? cpuidle_enter_state+0x57/0xd0
[101680.324617]  [<ffffffff8c5c73be>] cpuidle_idle_call+0xde/0x230
[101680.324771]  [<ffffffff8c037c8e>] arch_cpu_idle+0xe/0xc0
[101680.324925]  [<ffffffff8c10148a>] cpu_startup_entry+0x14a/0x1e0
[101680.325078]  [<ffffffff8c05a827>] start_secondary+0x1f7/0x270
[101680.325231]  [<ffffffff8c0000d5>] start_cpu+0x5/0x14
[101680.325381] Code: ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <e0> 59 4b 8c ff ff ff ff 60 b0 85 8c ff ff ff ff 00 00 00 00 00 
[101680.326056] RIP  [<ffffffff8ccf34a0>] class_dir_ktype+0x0/0x40
[101680.326228]  RSP <ffff95ad7f843e38>
[101680.326406] CR2: ffffffff8ccf34a0

Environment

  • Red Hat Enterprise Linux 7

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