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Oracle Linux: Kdump Not Generating Core Dump with Qlogic Driver in Oracle Linux Running UEK4 (Doc ID 2609600.1) (Doc ID 2609600.1)

Last updated on DECEMBER 30, 2019

Applies to:

Linux OS - Version Oracle Linux 6.0 to Oracle Linux 7.7 with Unbreakable Enterprise Kernel [4.14.35] [Release OL6 to OL7U7]
Linux x86-64

Symptoms

Kdump is failing to generate a vmcore with the following panic during Qlogic FC hba initialization:

qla2x00_probe_one() call with below messages ;

[   59.001303] qla2xxx [0000:00:00.0]-0005: : QLogic Fibre Channel HBA Driver: 9.00.00.00.41.0-k1.
[   59.269635] qla2xxx [0000:af:00.0]-011c: : MSI-X vector count: 16.
[   59.343417] qla2xxx [0000:af:00.0]-001d: : Found an ISP2261 irq 211 iobase 0xffffc900002da000.
[   59.731558] qla2xxx [0000:af:00.0]-00c7:9: MSI-X: Failed to enablesupport, giving   up -- 16/-1.
[   59.837505] qla2xxx [0000:af:00.0]-0037:9: Falling back-to MSI mode --1.
[   59.917514] qla2xxx [0000:af:00.0]-0039:9: Falling back-to INTa mode -- -22.
[   60.424749] qla2xxx [0000:af:00.0]-003a:9: Failed to reserve interrupt 211 already in use.
[   60.523438] BUG: unable to handle kernel NULL pointer dereference at  (null)
[   60.617149] IP: [<ffffffffc03f14fe>] qla2x00_probe_one+0x18fe/0x25c0 [qla2xxx]
[   60.703495] PGD 8000002f5dca9067 PUD 2f5df27067 PMD 0
[   60.765152] Oops: 0002 [#1] SMP
[   60.803873] Modules linked in: qla2xxx(+) scsi_transport_fc megaraid_sas bnxt_en igb dca i2c_algo_bit i2c_core ptp pps_core ahci libahci crc32c_intel be2iscsi bnx2i cnic uio cxgb4i cxgb4 cxgb3i xhci_pci xhci_hcd libcxgbi ipv6 cxgb3 mdio libiscsi_tcp qla4xxx iscsi_boot_sysfs libiscsi scsi_transport_iscsi wmi dm_mirror dm_region_hash dm_log dm_mod nfs fscache lockd sunrpc grace
[   61.206002] CPU: 0 PID: 977 Comm: modprobe Not tainted 4.1.12-124.31.1.el6uek.x86_64 #2
[   61.301566] Hardware name: Oracle Corporation ORACLE SERVER X8-2/ASM,MB,X8-2, BIOS 51010400 04/03/2019
[   61.412696] task: ffff882f5de79c00 ti: ffff882f5e10c000 task.ti: ffff882f5e10c000
[   61.502037] RIP: 0010:[<ffffffffc03f14fe>]  [<ffffffffc03f14fe>] qla2x00_probe_one+0x18fe/0x25c0 [qla2xxx]

Cause

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In this Document
Symptoms
Cause
Solution

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