Kernel crashes in RHEL server
Summary: Kernel crash in a RedHat 7.5 + PowerPath 6.4 + Infoscale environment.
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Symptoms
Installation on the following components:
1- Powerpath version 6.4.
2- OS: RHEL 7.5 kernel Oracle build of RHEL 7.5 3.10.0-862.3.2el7.x86_64.
3- VCS: VRTSvxfs-7.4.0.1200.
4- Infoscale 7.4.
Configuration :
DELL EMC SW: PowerPath for Linux 6.4
OS : RHEL 7.5
Non DELL EMC SW : VRTSvxfs-7.4.0.1200.
Non DELL EMC SW : Infoscale 7.4.
Server crashes upon reboot with :
Dec 20 13:16:12 "Host_name" kernel: WARNING: CPU: 5 PID: 20408 at block/blk-sysfs.c:605 blk_register_queue+0x213/0x240
Dec 20 13:16:12 "Host_name" kernel: VxDMP2 is registering an already registered queue
Dec 20 13:16:12 "Host_name" kernel: Modules linked in: dmpjbod(POE) dmpap(POE) dmpaa(POE) vxspec(POE) vxio(POE) vxdmp(POE) llt(POE) rdma_cm iw_cm ib_cm ib_core bonding
vxcafs(POE) vxportal(POE) fdd(POE) amf(POE) vxfs(POE) veki(POE) sunrpc emcpdm(POE) emcpgpx(POE) emcpmpx(POE) emcp(POE) iTCO_wdt iTCO_vendor_support sb_edac intel_pow
erclamp coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pcspkr hpilo hpw
dt i2c_i801 lpc_ich ioatdma dca ipmi_ssif sg ipmi_si ipmi_devintf ipmi_msghandler pcc_cpufreq shpchp acpi_power_meter wmi binfmt_misc ip_tables xfs sd_mod lpfc mgag20
0 i2c_algo_bit drm_kms_helper serio_raw syscopyarea crc32c_intel sysfillrect sysimgblt fb_sys_fops ttm nvmet_fc drm nvmet bnx2x crc_t10dif crct10dif_generic crct10dif
_pclmul
Dec 20 13:16:12 "Host_name" kernel: nvme_fc nvme_fabrics nvme_core hpsa scsi_transport_fc i2c_core mdio ptp scsi_tgt pps_core scsi_transport_sas libcrc32c crct10dif_co
mmon dm_mirror dm_region_hash dm_log dm_mod [last unloaded: emcpioc]
Dec 20 13:16:12 "Host_name" kernel: CPU: 5 PID: 20408 Comm: vxconfigd Tainted: P OE ------------ 3.10.0-862.14.4.el7.x86_64 #1
Dec 20 13:16:12 "Host_name" kernel: Hardware name: HP ProLiant BL460c Gen9, BIOS I36 12/07/2017
Dec 20 13:16:12 "Host_name" kernel: Call Trace:
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb7313754>] dump_stack+0x19/0x1b
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6c945d8>] __warn+0xd8/0x100
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6c9465f>] warn_slowpath_fmt+0x5f/0x80
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6f22483>] blk_register_queue+0x213/0x240
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb7072ba7>] ? put_device+0x17/0x20
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6f33648>] __add_disk+0x318/0x4f0
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6f33833>] add_disk+0x13/0x20
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffc11000d4>] dmp_register_disk+0x104/0x150 [vxdmp]
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffc1123fb4>] dmp_reconfigure_db+0xb4/0xe0 [vxdmp]
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffc110d1bc>] gendmpioctl+0x41c/0x940 [vxdmp]
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffc110d8e9>] dmpioctl+0x39/0x80 [vxdmp]
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffc1133b2a>] dmp_ioctl+0x3a/0x70 [vxdmp]
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6f313b2>] blkdev_ioctl+0x272/0x9b0
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6e5dd11>] block_ioctl+0x41/0x50
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6e34100>] do_vfs_ioctl+0x360/0x550
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6e30a7d>] ? putname+0x3d/0x60
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6e34391>] SyS_ioctl+0xa1/0xc0
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb732579b>] system_call_fastpath+0x22/0x27
1- Powerpath version 6.4.
2- OS: RHEL 7.5 kernel Oracle build of RHEL 7.5 3.10.0-862.3.2el7.x86_64.
3- VCS: VRTSvxfs-7.4.0.1200.
4- Infoscale 7.4.
Configuration :
DELL EMC SW: PowerPath for Linux 6.4
OS : RHEL 7.5
Non DELL EMC SW : VRTSvxfs-7.4.0.1200.
Non DELL EMC SW : Infoscale 7.4.
Server crashes upon reboot with :
Dec 20 13:16:12 "Host_name" kernel: WARNING: CPU: 5 PID: 20408 at block/blk-sysfs.c:605 blk_register_queue+0x213/0x240
Dec 20 13:16:12 "Host_name" kernel: VxDMP2 is registering an already registered queue
Dec 20 13:16:12 "Host_name" kernel: Modules linked in: dmpjbod(POE) dmpap(POE) dmpaa(POE) vxspec(POE) vxio(POE) vxdmp(POE) llt(POE) rdma_cm iw_cm ib_cm ib_core bonding
vxcafs(POE) vxportal(POE) fdd(POE) amf(POE) vxfs(POE) veki(POE) sunrpc emcpdm(POE) emcpgpx(POE) emcpmpx(POE) emcp(POE) iTCO_wdt iTCO_vendor_support sb_edac intel_pow
erclamp coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pcspkr hpilo hpw
dt i2c_i801 lpc_ich ioatdma dca ipmi_ssif sg ipmi_si ipmi_devintf ipmi_msghandler pcc_cpufreq shpchp acpi_power_meter wmi binfmt_misc ip_tables xfs sd_mod lpfc mgag20
0 i2c_algo_bit drm_kms_helper serio_raw syscopyarea crc32c_intel sysfillrect sysimgblt fb_sys_fops ttm nvmet_fc drm nvmet bnx2x crc_t10dif crct10dif_generic crct10dif
_pclmul
Dec 20 13:16:12 "Host_name" kernel: nvme_fc nvme_fabrics nvme_core hpsa scsi_transport_fc i2c_core mdio ptp scsi_tgt pps_core scsi_transport_sas libcrc32c crct10dif_co
mmon dm_mirror dm_region_hash dm_log dm_mod [last unloaded: emcpioc]
Dec 20 13:16:12 "Host_name" kernel: CPU: 5 PID: 20408 Comm: vxconfigd Tainted: P OE ------------ 3.10.0-862.14.4.el7.x86_64 #1
Dec 20 13:16:12 "Host_name" kernel: Hardware name: HP ProLiant BL460c Gen9, BIOS I36 12/07/2017
Dec 20 13:16:12 "Host_name" kernel: Call Trace:
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb7313754>] dump_stack+0x19/0x1b
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6c945d8>] __warn+0xd8/0x100
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6c9465f>] warn_slowpath_fmt+0x5f/0x80
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6f22483>] blk_register_queue+0x213/0x240
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb7072ba7>] ? put_device+0x17/0x20
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6f33648>] __add_disk+0x318/0x4f0
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6f33833>] add_disk+0x13/0x20
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffc11000d4>] dmp_register_disk+0x104/0x150 [vxdmp]
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffc1123fb4>] dmp_reconfigure_db+0xb4/0xe0 [vxdmp]
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffc110d1bc>] gendmpioctl+0x41c/0x940 [vxdmp]
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffc110d8e9>] dmpioctl+0x39/0x80 [vxdmp]
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffc1133b2a>] dmp_ioctl+0x3a/0x70 [vxdmp]
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6f313b2>] blkdev_ioctl+0x272/0x9b0
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6e5dd11>] block_ioctl+0x41/0x50
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6e34100>] do_vfs_ioctl+0x360/0x550
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6e30a7d>] ? putname+0x3d/0x60
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb6e34391>] SyS_ioctl+0xa1/0xc0
Dec 20 13:16:12 "Host_name" kernel: [<ffffffffb732579b>] system_call_fastpath+0x22/0x27
Cause
This configuration is not supported.
Resolution
An RPQ needs to be submitted to support this particular configuration.
Affected Products
PowerPath for LinuxProducts
PowerPath for LinuxArticle Properties
Article Number: 000056256
Article Type: Solution
Last Modified: 17 Oct 2025
Version: 3
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