seems so obvious you already illuminated it but some buffer not clearing old data? mick in glen innes 2370 On Fri, 11 Feb 2022 at 09:32, David Rosenstrauch via arch-general <arch-general@xxxxxxxxxxxxxxxxxxx> wrote: > > Following up on this crash issue I keep having with my Arch server. > Basically server just completely freezes up - doesn't respond to pings, > or keyboard/mouse input, and eventually has to just be rebooted. > > Good news is: > > a) after upgrading everything (including the router firmware) it no > longer seems to hang my entire router/network (yay!) > > b) I was able to get a screenshot of the issue (more details about that > below) > > Bad news is: > > It keeps happening! (About once a week or so.) > > > I was able to capture a screenshot from the VM. (See > http://darose.net/ServerCrash20220209.png) Basically this is the only > thing that's providing me with any detail as to why it's crashing: > "rcu_preempt detected stalls on cpus/tasks". But searching on that > phrase didn't really give any clear indication what the problem might > be. Plus the rest of the details from that message got obscured in the > garbled video output. > > > Any thoughts/suggestions as to what might be happening here / how to > debug welcome! > > Thanks, > > DR > > > On 1/21/22 12:54 PM, David Rosenstrauch wrote: > > Been experiencing a weird issue several times recently that's got me > > stumped. > > > > A couple of weeks ago, my entire home network went dead right in the > > middle of a zoom call. Same problem happened again late last night. The > > problem is intermittent/occasional: everything runs without issue for > > several days, then suddenly crashes. > > > > I figured the issue was a problem with my wifi router, but after much > > debugging I don't think that's the case. I have a new (Arch) linux > > server I built a few weeks ago. What seems to be happening is that my > > server crashes for some reason >
