[Bug 222800] panic: proc_init: emuldata not found in exec case

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222800

--- Comment #6 from Heqing Yan <scottieyan at gmail.com> ---
(In reply to Dmitry Chagin from comment #2)

I rebuilt kernel with the following setting, the kernel does not panic any
more.

options         KTR
options         ALQ
options         KTR_ALQ
options         KTR_COMPILE=(KTR_ALL)
options         KTR_ENTRIES=4096
options         KTR_MASK=(KTR_SUBSYS)

load linuxulator, set next (via root)

sysctl debug.ktr.alq_file=/root/ktr.out
sysctl debug.ktr.mask=32
sysctl debug.ktr.alq_enable=1

------------------------------------------
Since it did not panic anymore, I am not sure what to do with the following
suggestion.

reproduce bug and _before_ unloading linux.ko do

sysctl debug.ktr.alq_enable=0
ktrdump -ctH -e /boot/kernel/kernel -i /root/ktr.out -o /root/ktr.log
-----------------------------------------
(In reply to Dmitry Chagin from comment #5)

Sorry, I posted the comment from a mac, it automatically redirected me to the
mac binary page, the correct one I downloaded to my BSD machine binary is from 
(https://download.docker.com/linux/static/stable/x86_64/docker-17.09.0-ce.tgz).

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