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<jfsimon1981>
Good morning
<jfsimon1981>
Yes it more than enough, the program is a few 100 k maybe
<jfsimon1981>
Ok so the console 1 Gb image
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<jfsimon1981_b>
zmatt
<jfsimon1981_b>
Matt, one question, i'm done with the process, do you think that way's gonna be all right ? I used a TI tool from debian console image:
<zmatt>
Beagle45: please don't spam multi-line pastes into chat, use a paste service like pastebin.com to share logs
<Beagle45>
Sorry :( I don't use much irc
<zmatt>
also, I don't know what the default boot script of whatever u-boot you're using looks like, but nothing you've pasted looks like a real error to me
<zmatt>
like, not being able to load environment is fine and normal (in fact, persistent environment is disabled in beagleboard.org's u-boot)
<zmatt>
and my guess would be it probably gave the "invalid partition 2" error while trying to scan for partitions
<zmatt>
yeah dunno, it looks like it's trying all sorts of things that don't make sense
<zmatt>
why are you trying to build a custom u-boot anyway?
<Beagle45>
it's to learn form scratch how things work
<Beagle45>
using builtin tools it's easier but I can't really understand how it's work
<zmatt>
if you want to understand how the boot flow works on a standard beagleboard.org image you may want to instead focus on understanding what the boot script of its u-boot does. merely reproducing an u-boot build doesn't seem particularly insightful to me
<zmatt>
if it's of interest, here's its default environment, reformatted to looks more like a normal shell script (for improved readability): https://pastebin.com/Kt1rUe5V
<zmatt>
the entrypoint is bootcmd
<Beagle45>
zmatt okay thanks
<jfsimon1981_b>
Matt thanks for all your help, i'll see how that goes on now, just monitoring the lab device and client will test it too, they have 2 units.
<jfsimon1981_b>
I run them on reliable emmc and they have 1 gig free so should be good for long time, probably lifetime of the device.
<jfsimon1981_b>
The TI tool when run from debian console image will make an ext4 partition, copy the microsd into to, so it's really installing the content of microSD currently mounted into the emmc. I end up putting all installatin files into the emmc, run safewrite, power cycle, flash, then restart from emmc and finish installation from it.
<zmatt>
jfsimon1981_b: the flasher tool isn't a TI tool
<jfsimon1981_b>
Makes a 1.8 gig ready for final installation and test.
<jfsimon1981_b>
Yep ok. I though Robert Nelson is from TI
<zmatt>
nope
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<jfsimon1981_b>
yes all right
<jfsimon1981_b>
but it works great
<jfsimon1981_b>
i'll start with it
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<Beagle45>
jfsimon1981_b Felicitations :party:
<jfsimon1981_b>
Sometime later i'll run reliability tests with a bb power up/off randomly, i want to see at which point the filesystem gets corrupted if at all
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<jfsimon1981_b>
I'll have a device to randomly power off and recycle it.
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<LetoThe2nd>
NishanthMenon: i keep on forgetting which machine in meta-ti-bsp shall be used for the bbai64. can you kick my memory please? ;-)
<zmatt>
j721e-something
<zmatt>
LetoThe2nd: almost certainly j721e-evm
<zmatt>
if there's nothing bbai64-specific
<zmatt>
having said that, shouldn't it have a bbai64-specific config to select the right dtb?
<jfsimon1981_b>
Matt i think you throw all logs away, be aware there's a tweak file at /etc/logrotate.d/rsyslog so that you can keep and rotate logs more often to reduce waste space.
<zmatt>
jfsimon1981_b: rsyslog is one of the first things I remove from a system
<jfsimon1981_b>
I won't throw away logs at the moment, but i replaced the rotate weekly by daily for some of them.
<jfsimon1981_b>
Ok
<jfsimon1981_b>
By removing it you don't get any log then ?
<zmatt>
rsyslog is redundant, systemd-journald already handles logging. by default on beagleboard.org images it doesn't log persistently (i.e. logs are in ram only) which is also what I prefer, but you can easily enable persistent journal if desired
<jfsimon1981_b>
in my case i have auth logs a lot
<jfsimon1981_b>
because program calls sudo. That pollutes the filesystem
<zmatt>
having a program call sudo sounds like a terrible kludge anyway, sudo is meant to be used by people, not by programs
<jfsimon1981_b>
when you remove rsyslog what does it change ?
<zmatt>
rsyslog takes configurable subsets of the same stuff that's logged to journal, and writes it to logfiles on eMMC
<jfsimon1981_b>
yes i have to change that too, i'm using i2c command, i did'nt implement properly the main program yet so that was a quick fix.
<zmatt>
I don't want logs to be written to eMMC, and I don't need these redundant legacy logs either way
<jfsimon1981_b>
ok like when removed it won't go into the drive then ?
<jfsimon1981_b>
Got to testit that sounds better once the system will be tested all right
<zmatt>
I mean, you do you, but there's really no good reason for rsyslog anymore... not just not in production, but also not in development/testing, since journal is already keeping the exact same logs
<zmatt>
(though like I said, journal on beagleboard.org images is non-persistent by default but you can easily change it to persistent if desired during development/testing, with configurable limits)
<jfsimon1981_b>
ok
<jfsimon1981_b>
when removing this file you don't get logs ?
<jfsimon1981_b>
written to /var/log is it right ?
<zmatt>
the only reason rsyslog is installed is to accomodate people who are too lazy to learn how to use journalctl to get logs from journal :D
<zmatt>
rsyslog is what's writing logs in plain text to various files in /var/log/ yes
<zmatt>
journal is queried using journalctl
<jfsimon1981_b>
ok, so once removed it logs to ram only
<zmatt>
yes, unless you enable persistent journal (by creating the directory /var/log/journal/ )
<jfsimon1981_b>
i progably need to go that way long term
<jfsimon1981_b>
i don't like the filesystem being written too much
<jfsimon1981_b>
Ok
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<jfsimon1981_b>
Logs are'nt useful for your purpose ?
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<zmatt>
jfsimon1981_b: persistent logs on emmc? not really no, they're just pointless emmc writes
<zmatt>
and like I said (more than once) if I had a need for persistent logs in some situation I can just make journal persistent on that particular device
<zmatt>
I've never felt a need to do that though
<jfsimon1981_b>
yes i understood it
<jfsimon1981_b>
read you
<jfsimon1981_b>
i'll get the logs enable for a while, they cycle, just tune it for a week instead of a month, in case something goes wrong i can debug it
<NishanthMenon>
zmatt: LetoThe2nd - Sorry, I dont think we have had a chance to merge the patches in TI mainline kernel atm (upstream first rule).. but we could probably post a patch to use the beagleboard kernel instead for a ai64 build
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