<digitalcircuit>
Of course, the first time I start the test by beginning a backup to the USB 3.0 HDD via SFTP, I have a power interruption. Thankfully, on to testing now.
<digitalcircuit>
slh: Thank you! Looking at "l2_freq_tbl", now I understand why Ansuel had to delete the opp-1200... 1.2 GHz level, and that also suggests that the jump from 1.0 GHz to 1.2 GHz involved a 1.00 to 1.15 volt jump. I guess that jumping to 1.175 volt for 1.4 GHz might actually not be too unreasonable.
<slh>
I've been looking through the nbg6817 OEM GPL source, I don't really see anything else jumping at me. more or less a normal AP-161/ Akronyte derivative
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<digitalcircuit>
What's strange is looking at the L2 cache voltage levels.. it doesn't appear to be hitting------ Derp, nevermind. Lesson learned, whenever you flash a new firmware, make sure it actually applied before trying to diagnose it. On the upside, I've learned a useful "is the thing doing what I expect" command of...
<awgh>
hey folks, I'm attempting to build latest firmware and put it on a skw92a module for a custom hardware project... wrote a ckermit script to load it into RAM and boot it, which works right up until it tries to load the rootfs...
<awgh>
then I get "Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000100"
<awgh>
I think I'm missing a kernel bootarg or something... does anyone have an idea?
<awgh>
Loading the kernel+initrd image, not the sysupgrade
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<slh>
awgh: you generally need to load the initramfs image, which contains of kernel, DTB and initramfs
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<awgh>
slh Yeah, I guess what I'm really asking is if there is any way to load a kernel and also a rootfs from RAM, so that I can test it before writing to flash
<awgh>
from what I'm reading, it seems like the only way is to write the sysupgrade image to flash and then try to boot from it
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<awgh>
and... that kind of makes sense, if I load the kernel+initramfs, I get the above error
<awgh>
if I load the sysupgrade image into RAM, I get a similar error where it asks which of the mtdimage devices I want to be the root, but it's just the three partitions for uboot,uboot config, and kernel
<awgh>
but I guess if I'm careful not to mess up the uboot partitions... I should be able to recover
<awgh>
I'm just being a bit precious because I only have one working prototype at the moment
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<slh>
awgh: initramfs images can be loaded and booted by the (well, many-) bootloader(s), as mentioned before, those do contain kernel, DTB, full rootfs
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<digitalcircuit>
...oops. For over 3 entire months I've neglected dynamic debugging ( https://www.kernel.org/doc/html/v5.4/admin-guide/dynamic-debug-howto.html ). I'll be playing with things like... echo "file drivers/regulator/* =p" > /sys/kernel/debug/dynamic_debug/control && echo "file drivers/cpufreq/* =p" > /sys/kernel/debug/dynamic_debug/control # to catch more info, alongside L2 cache voltage tweaks.
<digitalcircuit>
(I suspect my change to raise the L2 cache voltage at 1.4 GHz is incomplete, since it never raised above 1.0 GHz. I'll need to see if I have to adjust the regulator voltage range or such.)
<awgh>
slh yes, I was loading one in the first place.
<awgh>
have moved on to trying to write an image to the flash... but there's a silly Mediatek fork of U-boot with non-standard commands
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<abiliomarques>
hi, I actually found that the boot performance penalty I was seeing was caused by vm.min_free_kbytes set to a too high value compared to the old system. 16MB vs < 1MB
<abiliomarques>
does anyone know where to set that compile time?
<PaulFertser>
abiliomarques: are you talking about what's getting set up on boot by package/base-files/files/etc/init.d/sysctl ?
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<abiliomarques>
that might be one option, the other is maybe a kernel setting?
<PaulFertser>
abiliomarques: but the kernel settings will be quickly overriden on boot by that script
<PaulFertser>
abiliomarques: are you on a 128 MiB device?
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<abiliomarques>
well, not in my experimental hardware. It has 64 MB ... I wanted to finish what I started 3 years ago, and so I moved to 19.07 first
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<PaulFertser>
abiliomarques: I mean see that script, it sets the value depending on RAM, probably it does the wrong thing on your hardware?
<abiliomarques>
my /etc/sysctl.conf didn't have any value set
<abiliomarques>
thanks Paul, will look at it in a bit
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<rage>
Looking to contribute documentation, specifically for procd and all of the tools in that repository, e.g. uxc. Is there any reason why we don't already have man pages in that repository? Or would it be better to contribute to the Wiki?
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<slh>
fda: that's the only real difference between those two devices, the e8450 has those LEDs, the rt3200 doesn't (at least according to the FCC images)
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<slh>
you could probably solder LEDs to the board, the footprints are there
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<dangole_>
fda: yes e8450 has got lan switch port leds. i got it here, LEDs: power (yellow, blue), WAN (yellow, blue), 4x LAN (blue) and those are connected via the switch
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