FDO (Firmware Device Order) が RAID コントローラープロパティーで有効になっている場合、SAS RAID コントローラーを備えたシステムで kdump が vmcore を生成できない理由

Issue

• megaraid_sas がディスクを検出できないため、kdump がタイムアウトとなり、'dracut-initqueue timeout' が確認されます。この問題は、FDO が有効になっている場合にのみ発生します。

[    6.379477] megaraid_sas 0000:e3:00.0: Waiting for FW to come to ready state
[    6.386520] megaraid_sas 0000:e3:00.0: megasas_disable_intr_fusion is called outbound_intr_mask:0x40000009
[    6.418078] megaraid_sas 0000:e3:00.0: FW now in Ready state
[    6.423736] megaraid_sas 0000:e3:00.0: 63 bit DMA mask and 63 bit consistent mask
[    6.431438] megaraid_sas 0000:e3:00.0: firmware supports msix    : (128)
[    6.437907] megaraid_sas 0000:e3:00.0: requested/available msix: 1/1
[    6.444256] megaraid_sas 0000:e3:00.0: current msix/online cpus  : (1/1)
[    6.450870] megaraid_sas 0000:e3:00.0: RDPQ mode : (disabled)
[    6.456618] megaraid_sas 0000:e3:00.0: Current firmware supports maximum commands: 5101   LDIO threshold: 0
[    6.466393] megaraid_sas 0000:e3:00.0: Performance mode :Latency (latency index=1)
[    6.474131] megaraid_sas 0000:e3:00.0: FW supports sync cache    : Yes
[    6.480399] megaraid_sas 0000:e3:00.0: megasas_disable_intr_fusion is called outbound_intr_mask:0x40000009
[    6.555076] megaraid_sas 0000:e3:00.0: FW supports atomic descriptor : Yes
[    6.605075] megaraid_sas 0000:e3:00.0: FW provided supportMaxExtLDs: 1   max_lds: 240
[    6.612724] megaraid_sas 0000:e3:00.0: controller type   : MR(8192MB)
[    6.618989] megaraid_sas 0000:e3:00.0: Online Controller Reset(OCR)  : Disabled
[    6.626209] megaraid_sas 0000:e3:00.0: Secure JBOD support   : No
[    6.632129] megaraid_sas 0000:e3:00.0: NVMe passthru support : Yes
[    6.638307] megaraid_sas 0000:e3:00.0: FW provided TM TaskAbort/Reset timeout    : 6 secs/60 secs
[    6.646913] megaraid_sas 0000:e3:00.0: PCI Lane Margining support    : Yes
[    6.653525] megaraid_sas 0000:e3:00.0: JBOD sequence map support : Yes
[    6.682267] megaraid_sas 0000:e3:00.0: NVME page size    : (4096)
[    6.688109] megaraid_sas 0000:e3:00.0: megasas_enable_intr_fusion is called outbound_intr_mask:0x40000000
[    6.697664] megaraid_sas 0000:e3:00.0: INIT adapter done
[    6.702977] megaraid_sas 0000:e3:00.0: JBOD sequence map is disabled megasas_setup_jbod_map 6107
[    6.712522] megaraid_sas 0000:e3:00.0: Snap dump wait time   : 15
[    6.718441] megaraid_sas 0000:e3:00.0: pci id        : (0x1000)/(0x10e2)/(0x1028)/(0x1ae2)
[    6.726181] megaraid_sas 0000:e3:00.0: unevenspan support    : yes
[    6.732099] megaraid_sas 0000:e3:00.0: firmware crash dump   : no
[    6.738017] megaraid_sas 0000:e3:00.0: JBOD sequence map : disabled
[    6.744307] megaraid_sas 0000:e3:00.0: Max firmware commands: 99 shared with default HW queues: 1 poll_queues: 0
[    6.754471] scsi host11: Broadcom SAS based MegaRAID driver
[    6.912015] systemd-udevd[418]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable.
[  133.018853] dracut-initqueue[421]: Warning: dracut-initqueue timeout - starting timeout scripts
[  133.551863] dracut-initqueue[421]: Warning: dracut-initqueue timeout - starting timeout scripts
[  134.073948] dracut-initqueue[421]: Warning: dracut-initqueue timeout - starting timeout scripts
[  134.595856] dracut-initqueue[421]: Warning: dracut-initqueue timeout - starting timeout scripts