Hi, I found out that hpwdt alters NMI behaviour unexpectedly if compiled with enabled CONFIG_HPWDT_NMI_DECODING:
* System starts to panic on any NMI with misleading message. * Watchdog provided by hpwdt is not working after such panic. Here are the patches that should fix this. This is an RFC patch series because I am not sure that patches are correct. Questions: * Are "mynmi" flags always set on all supported iLO versions when iLO is the source of NMI? * Is it safe to reset "mynmi" flags to zero if code decides to not panic? Ivan Mironov (4): watchdog: hpwdt: Don't disable watchdog on NMI watchdog: hpwdt: Don't panic on foreign NMI watchdog: hpwdt: Add more information into message watchdog: hpwdt: Make panic behaviour configurable drivers/watchdog/hpwdt.c | 45 ++++++++++++++++++++++------------------ 1 file changed, 25 insertions(+), 20 deletions(-) -- 2.20.1
