Buster Watchdog issue

Getting your soundcard to work, using Debian on non-i386 hardware, etc

Buster Watchdog issue

Postby pseudo63 » 2020-05-29 13:59

Hello,

I was using Stretch and I've just migrated to Buster.
Unfortunatly I discovered an issue with the watchdog management.

I use an application from my own to manage the watchdog (I don't use the official watchdog service).
With Stretch my intel watchdog was managed by iTCO_wdt module :
[ 5.877016] iTCO_vendor_support: vendor-support=0
[ 5.881291] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
[ 5.885682] iTCO_wdt: Found a Intel PCH TCO device (Version=4, TCOBASE=0x0400)
[ 5.894437] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)

If the watchdog was not refreshed, my board rebooted as expected.

Now I'am using Buster.
The behaviour changed because instead of rebooting, my board now freeze, exactly what I want to avoid.
I don't know if it's a power management issue or a watchdog issue.
What I tried (with a lot of combinations) :
Remove nmi_watchdog (from grub command line)
Remove wdat_wdt
Manually load iTCO_wdt

Unfortunatly I always have the same behaviour.
When I modprobe iTCO_wdt, I have only 2 lines :
[ 350.558922] iTCO_vendor_support: vendor-support=0
[ 350.568372] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
even if nmi_watchdog and wdat_wdt are not loaded

Any idea ?

Thanks
pseudo63
 
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Joined: 2020-05-29 13:50

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