> Try adding kernel command-line dynamic debug option:
>
> ... "dyndbg=file net/ipv4/ipconfig.c +pflm" ...
I added:
dyndbg="file net/ipv4/ipconfig.c +pflm"
to the end of the kernel command line arguments in grub and removed
quiet. After booting I ran 'dmesg >after.txt'. I then rebooted and
this time only removed the quiet argument, then ran 'dmesg >before.txt'.
After stripping the timestamp column I diffed before.txt and after.txt
and there was no new information (not even a line saying that the dyndbg
was enabled).
Perhaps this is because the kernel image is stripped?
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https://bugs.launchpad.net/bugs/1259861
Title:
5-10 second delay in kernel boot
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