re: port-arm/55922: Kernel panics with nvme+gpt on Pinebook Pro

[matthew green <mrg%eterna.com.au@localhost>]

The following reply was made to PR port-arm/55922; it has been noted by GNATS.

From: matthew green <mrg%eterna.com.au@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: port-arm-maintainer%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
    netbsd-bugs%netbsd.org@localhost
Subject: re: port-arm/55922: Kernel panics with nvme+gpt on Pinebook Pro
Date: Wed, 13 Jan 2021 22:00:52 +1100

 not that i have any particular insight to the crash (the images
 don't show the panic message -- can you get a copy of those?
 from ddb, 'dmesg' should show it all with a pager), and we
 should figure out what is crashing here, but i do not recommend
 using MAKE_JOBS=6 or -j6 on the PBP.
 
 there are two serious issues:
 
 - 3.875GiB of ram vs 6 jobs is simply not enough for many
   modern packges.  some use >1GiB each.
 
 - the PBP battery controller setup is not the best.  it can only
   charge at 15W.  however, the SoC and devices are quite capable
   of using more than 15W, so the battery will drain, even while
   plugged into barrel or usb-c power.
 
 
 i strongly recommend using no more than 3 concurrent jobs.
 
 
 .mrg.