On Fri, Oct 29, 2021 at 02:33:12PM +0200, John Paul Adrian Glaubitz wrote: > Hi Nicholas! > > On 10/29/21 02:41, Nicholas Piggin wrote: > > Soft lockup should mean it's taking timer interrupts still, just not > > scheduling. Do you have the hard lockup detector enabled as well? Is > > there anything stuck spinning on another CPU? >
> > > Could you try a sysrq+w to get a trace of blocked tasks? > > Not sure how to send a magic sysrequest over the IPMI serial console. Any > idea? As on any serial console sending break should be equivalent to the magic sysrq key combo. https://tldp.org/HOWTO/Remote-Serial-Console-HOWTO/security-sysrq.html With ipmitool break is sent by typing ~B https://linux.die.net/man/1/ipmitool Thanks Michal
