Intermittent SysRq error flood

Home Forums RetroPie Project GPIO Adapter, ControlBlock etc. Intermittent SysRq error flood

This topic contains 3 replies, has 2 voices, and was last updated by Profile photo of  Anonymous 1 year, 11 months ago.

Viewing 4 posts - 1 through 4 (of 4 total)
  • Author
    Posts
  • #101162
    Profile photo of
    Anonymous

    Pi Model: 2
    RetroPie Version Used: Tested 2.6.0 and 3.0.0 Beta 4
    Built From: SD Images
    USB Devices connected: With and without logitech k400 wireless kb adapter
    Controller used: Standard suzo/happ arcade buttons joysticks
    Error messages received:

    SysRq : HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memol-oom-kill(f) debug(g) kill-all-tasks(i) thaw-filesystery-fulms(j) sak(k) show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) show-task-states(t) unmount(u) show-blocked-tasks(w) dump-ftrace-buffer(z)

    Guide used: Petrockblog, retropie wiki
    How to replicate the problem: Happens every boot intermittently but reliably

    Hi!

    I’ve built a retropie following all of the information here and on the wikis. I purchased a controlblock for the arcade buttons. From the very first boot after some random time the console is flooded with the above error repeatedly, though in fits and starts. ES starts, sometimes I’ve even been able to play, but dropping back to the console shows this error repeating, and dmesg shows the same. I’ve done searches for raspi with this message and came across what I believe may be related (but not exact), but I can’t be sure:

    https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=9006

    It does resemble noise on the GPIO pins, but I am not touching them. I’ve removed the 3.5mm sound input just in case it was noisy and no change. I’ve removed the cat5 cable and the kb adapter to leave nothing but power and HDMI and the problem still occurs. I used the beta 4 and the 2.6 image with the same result. I swapped in a new pi 2 as well, no change in behavior. I am leaning toward the controlblock since it is the only component I have yet to swap out, but I have 2 more on order and do not have them yet.

    Is this something anyone else has seen?

    Thanks in advance!

    #101421
    Profile photo of petrockblog
    petrockblog
    Keymaster

    I have not seen that behavior yet, interesting. Does this also happen with the ControlBlock connected, but without any connections to buttons and joystick(s)?

    #101482
    Profile photo of
    Anonymous

    I unscrewed and removed all button and joystick wiring except power button and power led. ~30 minutes in and no sign of this error.

    Have you any idea of what could be causing this? The wiring is 1 joystick and 10 buttons – simple happ microswitch style – and a daisy chained ground.

    #101495
    Profile photo of
    Anonymous

    I’ve obtained another controlblock and installed/wired it. So far no sysrq flood. I will post again if I do, but I would appreciate any thoughts on what happened if at all possible. I hate not knowing, hah.

    Thanks!

Viewing 4 posts - 1 through 4 (of 4 total)

Forums are currently read only - please visit the new RetroPie forums at https://retropie.org.uk/forums/

Skip to toolbar