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Oracle Linux 6 UEKr4 Crashes with "swiotlb_tbl_map_single+0x2ab/0x2b0" (Doc ID 2488135.1)

Last updated on FEBRUARY 01, 2019

Applies to:

Linux OS - Version Oracle Linux 6.1 and later
Linux x86-64

Symptoms

Oracle Linux 6 with UEKr4 kernel server crashes with

[9764897.422781] kernel BUG at lib/swiotlb.c:464!
[9764897.427733] invalid opcode: 0000 [#1] SMP

[9764897.800706] CPU: 2 PID: 375280 Comm: oneagentos Tainted: P W O 4.1.12-94.7.8.el6uek.x86_64 #2
[9764897.811460] Hardware name: Oracle Corporation ORACLE SERVER X7-2/ASM, MB, X7-2, BIOS 41017600 10/06/2017
[9764897.822213] task: ffff881462412a00 ti: ffff883047d30000 task.ti: ffff883047d30000
[9764897.830743] RIP: 0010:[<ffffffff8134ddeb>] [<ffffffff8134ddeb>] swiotlb_tbl_map_single+0x2ab/0x2b0
[9764897.841030] RSP: 0018:ffff883047d33a28 EFLAGS: 00010246
[9764897.847139] RAX: 00000000ffffffff RBX: ffffffffffffffff RCX: 0000000000000000
[9764897.855281] RDX: ffff882f667d9098 RSI: 000000005e2bf7ff RDI: ffff882f667d9098
[9764897.863413] RBP: ffff883047d33a88 R08: 0000000000000002 R09: 0000000000000000
[9764897.871555] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
[9764897.879699] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000200000
[9764897.887841] FS: 00007f5a8bfff700(0000) GS:ffff882f80480000(0000) knlGS:0000000000000000
[9764897.897051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[9764897.903644] CR2: 00007fcf02f54000 CR3: 000000363254c000 CR4: 0000000000360670
[9764897.911776] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[9764897.919919] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[9764897.928060] Stack:
[9764897.930492] 0000000262412a00 0000000000000000 ffffffff00000000 ffff882f667d9098
[9764897.938982] 0000000000000000 00000000000bc57e ffff882f667d9098 ffffffffffffffff
[9764897.947462] ffff882f667d9098 0000000000000000 ffffffffffffffff ffff883047d33b60
[9764897.955935] Call Trace:
[9764897.958860] [<ffffffff8134e1a5>] swiotlb_alloc_coherent+0xf5/0x160
[9764897.966036] [<ffffffff81068cd1>] x86_swiotlb_alloc_coherent+0x61/0x70
[9764897.973534] [<ffffffffa023dfa5>] bnxt_get_nvram_item+0xd5/0x250 [bnxt_en]
[9764897.981391] [<ffffffffa023e2ff>] bnxt_get_drvinfo+0x17f/0x320 [bnxt_en]
[9764897.989055] [<ffffffff815e4754>] ethtool_get_drvinfo+0x74/0x190
[9764897.995939] [<ffffffff815e5916>] dev_ethtool+0xc26/0xd50
[9764898.002150] [<ffffffff811d30ed>] ? free_pages_and_swap_cache+0x8d/0xa0
[9764898.009714] [<ffffffff815f6b25>] dev_ioctl+0x2f5/0x3d0
[9764898.015729] [<ffffffff815c6cf4>] ? sk_prot_alloc+0xe4/0x150
[9764898.022227] [<ffffffff815c10ed>] sock_do_ioctl+0x5d/0x70
[9764898.028434] [<ffffffff815c14e6>] sock_ioctl+0x76/0x2e0
[9764898.034440] [<ffffffff8121f843>] do_vfs_ioctl+0x73/0x3c0
[9764898.040653] [<ffffffff81025bac>] ? do_audit_syscall_entry+0x6c/0x70
[9764898.047926] [<ffffffff81229c55>] ? __fget_light+0x25/0x60
[9764898.054232] [<ffffffff8121fc31>] SyS_ioctl+0xa1/0xb0
[9764898.060052] [<ffffffff81025ad1>] ? syscall_trace_leave+0xf1/0x160
[9764898.067134] [<ffffffff816b9894>] system_call_fastpath+0x12/0xce
[9764898.074017] Code: e6 ff 41 bf 00 00 20 00 48 81 c6 ff 07 00 00 48 89 75 c8 48 c1 6d c8 0b e9 d7 fd ff ff 48 c7 c7 78 8b 9a 81 31 c0 e8 02 6b 36 00 <0f> 0b eb fe 90 55 48 89 e5 41 57 41 56 41 89 d6 41 55 49 89 fd
[9764898.096112] RIP [<ffffffff8134ddeb>] swiotlb_tbl_map_single+0x2ab/0x2b0

Cause

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In this Document
Symptoms
Cause
Solution
References


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