PowerPath for Linux: Problem med samhandling mellom PowerPath for Linux 6.3 og Veritas

Summary: Det kan oppstå kjernepanikk på Red Hat Enterprise Linux (RHEL) 7.x-systemer som kjører PowerPath for Linux versjon 6.3 i forbindelse med Symantec-programvare (VRTSvxvm hvilken som helst versjon) kan oppstå i data utilgjengelighet. ...

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Symptoms

Installasjon av, eller oppgradering til, PowerPath for Linux 6.3, i et miljø med Symantec Veritas VxVM

Det kan oppstå kjernepanikk på Red Hat Enterprise Linux (RHEL) 7.x-systemer som kjører PowerPath for
Linux versjon 6.3 sammen med Symantec-programvare (VRTSvxvm, alle versjoner), noe som kan føre til at data blir utilgjengelige.

EMC SW: PowerPath for Linux 6.3-applikasjon
programvare: Symantec Veritas VxVM

[ 671.516910] BUG: kan ikke håndtere kjerne NULL peker dereferanse på 0000000000000008
[ 671.516988] IP: [<ffffffffa12640a1>] atomic_read+0x1/0x10 [emcp]
[ 671.517052] PGD 203028b067 PUD 203aa9e067 PMD 0
[ 671.517096] Oops: 0000 [#1] SMP
[671.517129] Moduler koblet i: emcpdm(POE) emcpmpx(POE) emcpgpx(POE) emcp(POE) vxodm(POE) vxglm(POE) sikring mptctl mptbase dmpjbod(POE) dmpap(POE) dmpaa(POE) vxspec(POE) vxio(POE) ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter vxdmp(POE) bonding vxcafs(POE) vxportal(POE) fdd(POE) vxfs(POE) veki(POE) dm_mirror dm_region_hash dm_log intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_ Intel LRW GF128MUL glue_helper ablk_helper kryptert iTCO_wdt dm_mod ipmi_devintf iTCO_vendor_support HPWDT PCSPKR ipmi_ssif SG WMI sb_edac Hpilo edac_core lpc_ich SHPchP ipmi_si ipmi_msghandler acpi_power_meter NFSD auth_rpcgss binfmt_misc nfs_acl Lockd Grace Sunrpc ip_tables XFS sd_mod crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common
[ 671.517812] mgag200 crc32c_intel drm_kms_helper serio_raw igb (OE) syscopyarea sysfillrect sysimgblt fb_sys_fops ttm tg3 (OE) dca i2c_algo_bit drm bnx2x (OE) qla2xxx (OE) mdio i2c_core ptp scsi_transport_fc pps_core hpsa (OE) scsi_tgt scsi_transport_sas libcrc32c fjes [sist losset: emcpioc]
[671.518053] CPU: 9 PID: 4829 Comm: vxconfigd Tainted: P W OE ------------ 3.10.0-514.el7.x86_64 #1
[671.518127] Maskinvare navn: HP ProLiant DL580 9. generasjon/ProLiant DL580 9. generasjon, BIOS U17 10.01.2017
[ 671.518189] Oppgave: FFFF880Fe3F50FB0 TI: FFFF880FF0Eb0000 Task.ti: FFFF880FF0eb0000
[ 671.518245] RIP: 0010:[<fffffffffa12640a1>] [<ffffffffa12640a1>] atomic_read+0x1/0x10 [emcp]
[671.518317] RSP: 0018:ffff80ff0eb3958 EFLAGS: 00010206
[ 671.518359] RAX: 0000000000000000 RBX: ffff8103814d320 RCX: 0000000000000000
[ 671.518412] RDX: 0000000000000000 RSI: ffff80ff1a4ca00 RDI: 0000000000000008
[ 671.518465] RBP: ffff80ff0eb3978 R08: 0000000000019a40 R09: ffff8103f0f6150
[ 671.518518] R10: ffff8018fc03d00 R11: ffff880ff1a4ca00 R12: ffff88103814d320
[ 671.518572] R13: ffff80fe3f50fb0 R14: ffff880fe3f50fb0 R15: ffff80ff1a4ca00
[ 671.518626] FS:  00007f3e9cc13700(0000) GS:ffff8103fd40000(0000) knlGS:000000000000000000
[ 671.518686] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 671.518730] CR2: 0000000000000008 CR3: 0000002030a1d000 CR4: 00000000003407e0
[ 671.518784] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 671.518838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 671.518890] Stabel:
[ 671.518908] ffff80ff0eb3978 ffffffa1265892 ffff80ff1a4ca00 ffff80ff1a4ca00
[ 671.518971] ffff80ff0eb39c0 fffff812ee4f9 00000000000000000000000000000000000000000000000000000
[ 671.519034] 0000000001ab93c91 000000000000000000 0000000000000010 0000000000000001
[ 671.519096] Ring spor:
[ 671.519128] [<fffffffffa1265892>] ? emcp_mrf+0x32/0x60 [EMCP]
[ 671.519178] [<ffffffff812ee4f9>] generic_make_request+0x109/0x1e0
[ 671.519349] [<fffffffffa0d680ec>] vxvm_submit_diskio+0x3fc/0x7a0 [vxio]
[ 671.519407] [<fffffffff810ea87a>] ? __getnstimeofday64+0x3a/0xd0
[ 671.519457] [<fffffffff810EA91e>] ? getnstimeofday64+0xe/0x30
[ 671.519592] [<fffffffffa0d5ac8b>] volsp_strategy+0x9b/0x100 [vxio]
[ 671.519733] [<fffffffffa0d629bb>] vol_dev_strategy+0x1b/0x30 [vxio]
[ 671.519872] [<fffffffffa0d66632>] voldiosio_start+0x392/0x5b0 [vxio]
[ 671.520015] [<fffffffffa0d903d3>] volkcontext_process+0x183/0x230 [vxio]
[ 671.520166] [<fffffffffa0dcfa8f>] volsiowait+0x9f/0x120 [vxio]
[ 671.520216] [<fffffffff81098dcb>] ? mod_timer+0x14b/0x230
[ 671.520359] [<ffffffffa0e27310>] ? voldio+0xd60/0xd60 [vxio]
[ 671.520407] [<fffffffff81098ec8>] ? add_timer+0x18/0x20
[ 671.520543] [<fffffffffa0d911b4>] ? voltimeout+0x74/0x110 [vxio]
[ 671.520691] [<fffffffffa0e26ebf>] voldio+0x90f/0xd60 [vxio]
[ 671.522682] [<fffffffffa0e27929>] vol_voldio_read+0x19/0x20 [vxio]
[ 671.524644] [<fffffffffa0e28d1e>] volconfig_ioctl+0x3ae/0x970 [vxio]
[ 671.526496] [<ffffff811ddf75>] ? kmem_cache_alloc+0x35/0x1e0
[ 671.528352] [<fffffffff8120ebbf>] ? getname_flags+0x4f/0x1a0
[ 671.530164] [<ffffffff812a83e8>] ? security_capable+0x18/0x20
[ 671.532045] [<fffffffffa0e33b3e>] volsioctl_real+0x42e/0x500 [vxio]
[ 671.533766] [<ffffffff810f4f30>] ? futex_wake+0x80/0x160
[ 671.535436] [<ffffff81114512>] ? from_kgid_munged+0x12/0x20
[ 671.537059] [<ffffff812036cf>] ? cp_new_stat+0x14f/0x180
[ 671.538631] [<ffffffffa078f40c>] vols_ioctl+0x5c/0xa0 [vxspec]
[ 671.540155] [<ffffffffa078f471>] vols_unlocked_ioctl+0x21/0x30 [vxspec]
[ 671.541655] [<fffffffff81211ed5>] do_vfs_ioctl+0x2d5/0x4b0
[ 671.543084] [<fffffffff8120373e>] ? SYSC_newstat+0x3e/0x60
[ 671.544474] [<ffffffff81212151>] SyS_ioctl+0xa1/0xc0
[ 671.545826] [<ffffffff816964c9>] system_call_fastpath+0x16/0x1b
[ 671.547157] Kode: e5 5d c3 0f 1f 80 00 00 00 00 48 c1 ef 09 55 48 83 f7 01 89 f8 48 89 e5 83 e0 01 5d c3 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 <8b> 07 48 89 e5 5d c3 0f 1f 84 00 00 00 00 00 55 89 37 48 89 e5
[ 671.550120] RIP [<fffffffffa12640a1>] atomic_read+0x1/0x10 [emcp]
[ 671.551525] RSP <ffff80ff0eb3958>
[ 671.552902] CR2: 0000000000000008

Cause

PowerPath-feil

Resolution

Omgåelse av problemet: Brukere som kjører RHEL 7.0, 7.1, 7.2 og 7.3, kan bruke PowerPath for Linux 6.2.

Fikse: En oppdatering for PowerPath for Linux 6.3 er under utvikling av PowerPath Engineering

Affected Products

Storage Networking
Article Properties
Article Number: 000054851
Article Type: Solution
Last Modified: 17 Oct 2025
Version:  4
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