Re: [Crash-utility] crash fails to load on ARM64 live kernel
Hi Vijay,
On Thu, Jul 2, 2020 at 8:33 AM Vijay Balakrishna
<vijayb(a)linux.microsoft.com> wrote:
Hello,
We are seeing crash (7.2.8) failing on ARM64 live kernel. After filing
https://github.com/crash-utility/crash/issues/54 I learned about crash
utility discussion list
(https://www.redhat.com/mailman/listinfo/crash-utility), hence reaching
out list members. Please share any insight.
# uname -a
Linux com7 5.4.42-xxxxxxxx-standard #1 SMP Wed Jun 3 05:17:19 UTC 2020
aarch64 aarch64 aarch64 GNU/Linux
# crash -s /proc/kcore vmlinux-stable-master-dev54
crash: /proc/kcore: cannot read vabits_actual
#
I have made a request to join mailing list.
I think this is a duplicate of the discussion we already had a couple
of days ago, or did you hit another issue with live analysis on arm64
via crash? Please let me know.
As I shared earlier, this issue is not reproducible with upstream
linux kernel (5.8.0-rc3) and upstream crash-utility (./crash -v =
crash 7.2.8++). See my logs below (on an arm64 machine):
# ./crash -s /proc/kcore /root/git/linux/vmlinux
WARNING: kernel relocated [0MB]: patching 102421 gdb minimal_symbol values
crash>
Please ensure that the following CONFIG options are enabled in your
kernel config flags:
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
Thanks,
Bhupesh