cpu_needs_another_gp: unable to handle kernel paging request

From: Alex Lyakas
Date: Wed Sep 06 2017 - 05:53:54 EST


Hello,

Kernel 3.18.19 hit the following panic[1]. Can you please advise on how to debug this further, or if there is any known issue that you recognize.

Thanks,
Alex.


[1]
Sep 5 01:05:02.092499 vsa-0000000f-vc-0 kernel: [1294776.890064] BUG: unable to handle kernel paging request at fffffffffffffeda
Sep 5 01:05:02.092517 vsa-0000000f-vc-0 kernel: [1294776.890892] IP: [<ffffffff810d12e5>] cpu_needs_another_gp+0x25/0x80
Sep 5 01:05:02.092517 vsa-0000000f-vc-0 kernel: [1294776.891007] PGD 1c19067 PUD 1c1b067 PMD 0
Sep 5 01:05:02.092518 vsa-0000000f-vc-0 kernel: [1294776.891007] Oops: 0002 [#1] PREEMPT SMP
Sep 5 01:05:02.092520 vsa-0000000f-vc-0 kernel: [1294776.891007] Modules linked in: xt_nat(E) veth(E) xt_addrtype(E) br_netfilter(E) xfrm_user(E) xfrm4_tunnel(E) tunnel4(E) ipcomp(E) xfrm_ipcomp(E) esp4(E) ah4(E) 8021q(E) garp(E) mrp(E) xt_multiport(E) sd_mod(E) bonding(E) ib_iser(OE) iscsi_tcp(OE) libiscsi_tcp(OE) libiscsi(OE) scsi_transport_iscsi(OE) dm_zcache(OE) xfs(OE) btrfs(OE) raid456(OE) async_raid6_recov(E) async_memcpy(E) async_pq(E) async_xor(E) xor(E) async_tx(E) raid6_pq(E) raid1(OE) md_mod(OE) rdma_ucm(OE) ib_uverbs(OE) mlx4_ib(OE) mlx4_en(OE) ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_nat_ipv4(E) nf_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) xt_conntrack(E) nf_conntrack(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_CHECKSUM(E) iptable_mangle(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) vxlan(E) ip6_udp_tunnel(E) udp_tunnel(E) ptp(E) pps_core(E) ip6table_filter(E) ip6_tables(E) iptable_filter(E) ip_tables(E) x_tables(E) mlx4_core(OE) deflate(E) ctr(E) twofish_generic(E) twofish_avx_x86_64(E) twofish_x86_64_3way(E) twofish_x86_64(E) twofish_common(E) camellia_generic(E) camellia_aesni_avx2(E) camellia_aesni_avx_x86_64(E) camellia_x86_64(E) serpent_avx2(E) serpent_avx_x86_64(E) serpent_sse2_x86_64(E) xts(E) serpent_generic(E) blowfish_generic(E) blowfish_x86_64(E) blowfish_common(E) cast5_avx_x86_64(E) cast5_generic(E) cast_common(E) des3_ede_x86_64(E) des_generic(E) cmac(E) xcbc(E) rmd160(E) isert_scst(OE) crypto_null(E) rdma_cm(OE) af_key(E) iw_cm(OE) xfrm_algo(E) ib_cm(OE) ib_sa(OE) ib_mad(OE) ib_core(OE) ib_addr(OE) compat(OE) iscsi_scst(OE) scst_utgt(OE) scst_vdisk(OE) libcrc32c(E) scst(OE) nls_iso8859_1(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) aesni_intel(E) nfsd(OE) aes_x86_64(E) lrw(E) gf128mul(E) glue_helper(E) ablk_helper(E) cryptd(E) auth_rpcgss(E) nfs_acl(E) mac_hid(E) nfs(E) lockd(E) grace(E) sunrpc(E) fscache(E) dm_multipath(OE) scsi_dh(E) ttm(E) drm_kms_helper(E) serio_raw(E) drm(E) syscopyarea(E) sysfillrect(E) sysimgblt(E) i2c_piix4(E) i6300esb(E) lp(E) parport(E) dm_iostat(OE) ata_generic(E) pata_acpi(E) ata_piix(E) libata(E) psmouse(E) scsi_mod(OE)
Sep 5 01:05:02.092522 vsa-0000000f-vc-0 kernel: [1294776.892666] CPU: 5 PID: 14385 Comm: aws Tainted: G W OE 3.18.19-zadara05 #1
Sep 5 01:05:02.092523 vsa-0000000f-vc-0 kernel: [1294776.892666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Sep 5 01:05:02.092524 vsa-0000000f-vc-0 kernel: [1294776.892666] task: ffff880022da6540 ti: ffff88000a9a4000 task.ti: ffff88000a9a4000
Sep 5 01:05:02.092525 vsa-0000000f-vc-0 kernel: [1294776.892666] RIP: 0010:[<ffffffff810d12e5>] [<ffffffff810d12e5>] cpu_needs_another_gp+0x25/0x80
Sep 5 01:05:02.092525 vsa-0000000f-vc-0 kernel: [1294776.892666] RSP: 0000:ffff8808bfca3e88 EFLAGS: 00010097
Sep 5 01:05:02.092526 vsa-0000000f-vc-0 kernel: [1294776.892666] RAX: 0000000000000000 RBX: ffffffff81c55c40 RCX: fffffffffffffeda
Sep 5 01:05:02.092526 vsa-0000000f-vc-0 kernel: [1294776.892666] RDX: fffffffffffffeda RSI: ffff8808bfcad600 RDI: ffffffff81c55c40
Sep 5 01:05:02.092527 vsa-0000000f-vc-0 kernel: [1294776.892666] RBP: ffff8808bfca3e88 R08: 00000000000021ac R09: 0000000000000100
Sep 5 01:05:02.092527 vsa-0000000f-vc-0 kernel: [1294776.892666] R10: 0000000000000000 R11: 0000000000000005 R12: 0000000000000246
Sep 5 01:05:02.092529 vsa-0000000f-vc-0 kernel: [1294776.892666] R13: 0000000000000009 R14: 0000000000000100 R15: ffff8808bfcad600
Sep 5 01:05:02.092531 vsa-0000000f-vc-0 kernel: [1294776.892666] FS: 00007f158f7fe700(0000) GS:ffff8808bfca0000(0000) knlGS:0000000000000000
Sep 5 01:05:02.092531 vsa-0000000f-vc-0 kernel: [1294776.892666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Sep 5 01:05:02.092533 vsa-0000000f-vc-0 kernel: [1294776.892666] CR2: fffffffffffffeda CR3: 0000000741e12000 CR4: 00000000003407e0
Sep 5 01:05:02.092554 vsa-0000000f-vc-0 kernel: [1294776.892666] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Sep 5 01:05:02.092566 vsa-0000000f-vc-0 kernel: [1294776.892666] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Sep 5 01:05:02.092568 vsa-0000000f-vc-0 kernel: [1294776.892666] Stack:
Sep 5 01:05:02.092569 vsa-0000000f-vc-0 kernel: [1294776.892666] ffff8808bfca3ef8 ffffffff810d491c ffff88088e17d838 ffff88088e17d438
Sep 5 01:05:02.092571 vsa-0000000f-vc-0 kernel: [1294776.892666] ffff880022da6540 ffff88000a9a7fd8 ffff8808bfca3eb8 ffff880799cad868
Sep 5 01:05:02.092572 vsa-0000000f-vc-0 kernel: [1294776.892666] 0000000000000004 0000000000000009 ffffffff81c0f0c8 0000000000000009
Sep 5 01:05:02.092572 vsa-0000000f-vc-0 kernel: [1294776.892666] Call Trace:
Sep 5 01:05:02.092573 vsa-0000000f-vc-0 kernel: [1294776.892666] <IRQ>
Sep 5 01:05:02.092574 vsa-0000000f-vc-0 kernel: [1294776.892666] [<ffffffff810d491c>] rcu_process_callbacks+0xcc/0x610
Sep 5 01:05:02.092576 vsa-0000000f-vc-0 kernel: [1294776.892666] [<ffffffff81077025>] __do_softirq+0xf5/0x320
Sep 5 01:05:02.092578 vsa-0000000f-vc-0 kernel: [1294776.892666] [<ffffffff81077575>] irq_exit+0x115/0x120
Sep 5 01:05:02.092579 vsa-0000000f-vc-0 kernel: [1294776.892666] [<ffffffff8171a89a>] smp_apic_timer_interrupt+0x4a/0x60
Sep 5 01:05:02.092579 vsa-0000000f-vc-0 kernel: [1294776.892666] [<ffffffff8171896d>] apic_timer_interrupt+0x6d/0x80
Sep 5 01:05:02.092580 vsa-0000000f-vc-0 kernel: [1294776.892666] <EOI>
Sep 5 01:05:02.092581 vsa-0000000f-vc-0 kernel: [1294776.892666] [<ffffffff817179cd>] ? system_call_fastpath+0x16/0x1b
Sep 5 01:05:02.092582 vsa-0000000f-vc-0 kernel: [1294776.892666] Code: 84 00 00 00 00 00 0f 1f 44 00 00 55 48 8b 8f 50 11 00 00 31 c0 48 8b 97 48 11 00 00 48 89 e5 48 39 d1 74 02 5d c3 48 8b 47 10 83 <c0> 01 83 e0 01 48 83 c0 20 8b 44 87 20 85 c0 75 11 48 83 7e 48
Sep 5 01:05:02.092585 vsa-0000000f-vc-0 kernel: [1294776.892666] RIP [<ffffffff810d12e5>] cpu_needs_another_gp+0x25/0x80
Sep 5 01:05:02.092586 vsa-0000000f-vc-0 kernel: [1294776.892666] RSP <ffff8808bfca3e88>
Sep 5 01:05:02.092587 vsa-0000000f-vc-0 kernel: [1294776.892666] CR2: fffffffffffffeda
Sep 5 01:05:02.092588 vsa-0000000f-vc-0 kernel: [1294776.892666] ---[ end trace 9b3c5d4642bb89b5 ]---