Hi Dave,

I tried to use crash v7.2.7 with kernel v5.4-rc1 on arm64.

1. VA_BITS_ACTUAL is missing in vmcoreinfo.
   Does anyone work on fixing it on kernel side?
   (just adding one or two lines though)

2. With a tweak above, I still fail to run crash with vmcore
   seeing the following errors;
   (I didn't dig into details)

   crash-arm64: invalid kernel virtual address: ffff800010c689a8  type: 
"kernel_config_data"
   WARNING: cannot read kernel_config_data
   crash-arm64: invalid kernel virtual address: ffff80001177a160  type: 
"possible"
   WARNING: cannot read cpu_possible_map
   crash-arm64: invalid kernel virtual address: ffff80001177a140  type: 
"present"
   WARNING: cannot read cpu_present_map
   crash-arm64: invalid kernel virtual address: ffff80001177a120  type: "online"
   WARNING: cannot read cpu_online_map
   crash-arm64: invalid kernel virtual address: ffff80001177a188  type: "active"
   WARNING: cannot read cpu_active_map
   crash-arm64: invalid kernel virtual address: ffff80001196afe0  type: 
"shadow_timekeeper xtime_sec"
   crash-arm64: invalid kernel virtual address: ffff800011782b3c  type: 
"init_uts_ns"
   WARNING: invalid linux_banner pointer: ffff800010c500e8
   crash: vmlinux.1003 and vmcore.1003 do not match!

Have you noticed this issue?

Thanks,
-Takahiro Akashi

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