Messages in this thread | | | Date | Mon, 24 Apr 2023 15:17:09 +0200 | Subject | Re: [PATCH] spi: remove return value check of debugfs_create_dir() | From | Peter Enderborg <> |
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On 4/24/23 14:53, Greg Kroah-Hartman wrote: > >>> We can do things with the debug information without filesystem enabled. > What exactly do you mean by this? > > We can read out data from kernel with a ramdumper and analyse with crash.
See https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/kernel_administration_guide/kernel_crash_dump_guide
If it is useful or not I can not say, but the dws->regset. is lost and can not be read with a post mortem debugger.
> thanks, > > greg k-h
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