[Crash-utility] [PATCH] arm64: Fix for st->_stext_vmlinux not initialized when set VA_BITS_ACTUAL

[lijiang]

On Thu, Jun 30, 2022 at 3:09 PM qianli zhao <zhaoqianligood at gmail.com>
wrote:

> Hi, Lianbo
>
> > > In addition, I just got a dump file generated by the "virsh dump"
> command, the dumpfile doesn't have the vmcoreinfo, and get the same errors
> > > with or without this patch, can you also double check? Maybe it is a
> similar issue.
> > >
> > Ok, let me check further.
> > and can you tell me what kernel versin and linux distribution you are
> used?
> >
>

This was reproduced on Fedora36:
Host OS:   kernel-5.18.6-200.fc36.aarch64
Guest OS: kernel-5.17.5-300.fc36.aarch64

> > [root at hpe-apollo-cn99xx-18 home]# /home/crash/crash vmlinux dump.core
> --machdep vabits_actual=48
>
> I used ubuntu-18.04-arm64 to reproduce your issue,kernel version
> is:4.15.18, in this version,arm64 still not support
> vabits_actual(5383cc6efed1 arm64: mm: Introduce vabits_actual),so we
> can't use "--machdep vabits_actual=48", after remove "--machdep
> vabits_actual=48",crash-utility can work fine.
>

It is easy to reproduce on Fedora 36, Can you try it?

Thanks.
Lianbo
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