Tiny Core Base > piCore Final Releases

piCore 14.1 (32 and 64 bit) release

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Paul_123:
as long as you save the keys, but running a backup, then they dont regenerate.  But as I said, that has nothing to do with wifi.

zharr:
You're right, I made a wrong connection seeing rsa in the crash.
But I can confirm the wifi device driver still crashes every second boot, with no wifi connected, no openssh running, no nothing.
Bare system set up with wifi packages, no wifi-related commands in boot*.sh.
After boot I checked iwconfig as to whether wlan0 was there or not, then I've written dmesg to file and backed up the file.
Around half the time, the wifi device driver crashed.
1 good
2 crash
3 good
4 crash
5 good
6 crash
7 crash
8 good (no log + back up)
9 good (no log + back up)
10 crash

So it appears to be random and not dependant on any files I backed up, since between the 9th and 10th try nothing should've written to the SD card but it still flipped from a working wifi device to a crashing one.
I'll do more tests tomorrow, but I attached the first crash (second boot) dmesg log which includes the error stack:

--- Code: ---[   11.118580] WARNING: CPU: 0 PID: 582 at crypto/rsa-pkcs1pad.c:540 pkcs1pad_verify+0x14c/0x174
...
[   11.120209] cfg80211: Problem loading in-kernel X.509 certificate (-22)
--- End code ---

Rich:
Hi zharr
Possibly a timing issue that's right on the edge.
Maybe the RNG isn't initializing fast enough?

A couple of threads on RNG:
https://forum.tinycorelinux.net/index.php/topic,26385.0.html
https://forum.tinycorelinux.net/index.php/topic,23917.0.html

zharr:
Thanks, I'll look into that tomorrow.

But so far, I've tried to get vcsm to work on 14.x with some success by making a merged 13.x - 14.x rpi-vc (and rpi-vc-dev) version.
Sadly, the camera does not work anymore, but I have an emulation mode that uses VCSM buffers instead of camera frames (which were also allocated with VCSM just the same), and that does work on 14.1.

I can also confirm the same wifi driver crash does not seem to occur on that 14.1 frankenstein system, so far got wlan0 device working on every boot.

So now I just need to get /dev/camera0 to work and then I can switch to 14.x with old vcsm. I'll do that tomorrow along with an attempt to get rng fixed on 13.x

Paul_123:
Looking at that dmesg from your 13.x system, perhaps we never did fix that kernel.  Just upgrade to 14.1

But the old vc stuff is going away fast.  Raspi wants to get away from the closed source code.

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