NetBSD Problem Report #55337

From  Tue Jun  2 07:15:06 2020
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Date: Tue,  2 Jun 2020 07:15:05 +0000 (UTC)
Subject: Boot hangs when many modules are loaded via boot.cfg(5)
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>Number:         55337
>Category:       kern
>Synopsis:       Boot hangs when many modules are loaded via boot.cfg(5)
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Jun 02 07:20:00 +0000 2020
>Originator:     Jukka Ruohonen
>Release:        9.99.64
NetBSD kafka 9.99.64 NetBSD 9.99.64 (CUSTOM) #0: Tue Jun  2 08:24:50 EEST 2020  jruoho@kafka:/tmp/obj/sys/arch/amd64/compile/CUSTOM amd64
I haven't looked at the code, but there appears to be a limit on the amount of code that can be loaded as modules via the bootloader.
Put many (e.g., > 15) large modules to boot.cfg. Upon reboot, some kind of a limit-related error message quickly flashes, and the boot hangs.
Either document the limit in boot.cfg(5) or, better yet, document it and allow the boot to continue with reduced number of modules.

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