Messages in this thread | | | Date | Mon, 24 Apr 2023 15:22:53 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] spi: remove return value check of debugfs_create_dir() |
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On Mon, Apr 24, 2023 at 03:17:09PM +0200, Peter Enderborg wrote: > 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.
What is "dws"? What is "regset"?
What is the root problem here?
confused,
greg k-h
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