由于CNA卡问题描述 、AFF A300崩溃并无法重新启动

适用场景

• AFF A300
• AFF A200
• ONTAP 9

问题描述

• 节点崩溃、并显示以下消息

PANIC  : page fault (supervisor read data, page not present) on VA 0x88 cs:rip 0x20:0xffffffff806d5834 rflags 0x10286
version: 9.7P4: Fri May 22 20:45:51 EDT 2020
conf   : x86_64.optimize
cpuid = 15
KDB: stack backtrace:
vpanic() at vpanic+0x70d/frame 0xffffffff824ef330
panic() at panic+0x43/frame 0xffffffff824ef390
amd64_syscall() at amd64_syscall+0x111e/frame 0xffffffff824ef400
trap() at trap+0xb03/frame 0xffffffff824ef470
trap() at trap+0x1b1/frame 0xffffffff824ef580
calltrap() at calltrap+0x8/frame 0xffffffff824ef580
--- trap 0xc, rip = 0xffffffff806d5834, rsp = 0xffffffff824ef650, rbp = 0xffffffff824ef650 ---
device_get_softc() at device_get_softc+0x4/frame 0xffffffff824ef650
ql_err_dump() at ql_err_dump+0x28/frame 0xffffffff824ef680
ql_rdwr_offchip_mem() at ql_rdwr_offchip_mem+0x154/frame 0xffffffff824ef6e0
ql_start_sequence() at ql_start_sequence+0x4c7/frame 0xffffffff824ef730
ql_init_hw() at ql_init_hw+0xdf0/frame 0xffffffff824ef770
ql_init_hw() at ql_init_hw+0x33f/frame 0xffffffff824ef7d0
ql_err_dump() at ql_err_dump+0x10c2/frame 0xffffffff824ef960
device_attach() at device_attach+0x3e6/frame 0xffffffff824efa00
device_probe_and_attach() at device_probe_and_attach+0x47/frame 0xffffffff824efa30
pci_driver_added() at pci_driver_added+0xe9/frame 0xffffffff824efa70
devclass_add_driver() at devclass_add_driver+0x1cd/frame 0xffffffff824efab0
devclass_add_driver() at devclass_add_driver+0x135/frame 0xffffffff824efaf0
module_register_init() at module_register_init+0xd4/frame 0xffffffff824efb20
mi_startup() at mi_startup+0x170/frame 0xffffffff824efb70
btext() at btext+0x3b/frame 0xffffffff81311ff0
cb3dma0: cb3_mmio_dump dumping...
cb3dma1: cb3_mmio_dump dumping...
cb3dma2: cb3_mmio_dump dumping...
cb3dma3: cb3_mmio_dump dumping...
Uptime: 33s

• 控制器无法重新启动、并显示相同的崩溃消息
• 启动时未静音的控制台会在发生崩溃之前显示类似的消息

e0h: ql_rdwr_offchip_mem: [0x00000000 0x07c00000 : 0x00000000 0x00000000 0x00000000 0xa0000000] [0] [0] failed