Hi Bhupesh,
On Sat, Apr 18, 2020 at 1:00 PM Bhupesh Sharma <bhsharma@xxxxxxxxxx> wrote:
>
> Hi Vinayak,
>
> On Fri, Apr 17, 2020 at 8:34 PM vinayak menon <vinayakm.list@xxxxxxxxx> wrote:
> >
> > Hi Dave,
> >
> > Noticed that raw ramdumps of 5.4 kernel aren't working with crash tip.
> > With the patches attached, I could get it working. Please take a look.
>
> Can you share some details/message-logs of the issue you are seeing?
The first issue was crash not resolving kimage_voffset, even with kaslr passed.
WARNING: kimage_voffset cannot be determined from the dumpfile.
Try using the command line option: --machdep kimage_voffset=<addr>
One this was fixed, there were issue with VTOP for linear mapped addresses.
crash: read error: kernel virtual address: ffffff817f2ee628 type:
"IRQ stack pointer"
crash: read error: kernel virtual address: ffffff817f312380 type:
"memory section root table"
Later, there were issues with PTOV during FILL_PMD (read error "pmd page")
Thanks,
Vinayak
>
> Thanks,
> Bhupesh
>
>
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