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SubjectRe: Kernel panic - not syncing: IO-APIC + timer doesn't work!
Date
Scott,

Scott Branden <scott.branden@broadcom.com> writes:
> Bios now updated to latest.  Same kernel panic issue.  Log below.
>
> I think it is related to power cycling quickly.
> Should APIC work if PC power cycled in a few seconds or is that the
> problem?

Yes, emphasis on should. Just to clarify, if you reboot it works and
cold start works as well if power was off long enough?

> [    0.000000] Linux version 5.8.0-rc6 (oe-user@oe-host) (x86_64-poky-linux-gcc (GCC) 10.1.0, GNU ld (GNU Binutils) 2.34.0.20200220) #1 SMP Sat Jul 25 03:55:25 UTC 2020
> [    0.000000] Command line: BOOT_IMAGE=/bzImage ima_policy=tcb
> apic=debug ip=dhcp raid=noautodetect console=ttyS0,115200
> root=/dev/nfs nfsroot=192.168.1.100:/nfs/vxc,hard,tcp,intr,v3 rootwait
> nfsrootdebug

The working dmesg and the failing console log are hard to compare
because the latter does not contain debug level printks. Please add
'ignore_loglevel' to the command line parameters.

Thanks,

tglx

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