On Wed, Nov 30, 2022 at 06:38:41PM +0100, Rhialto wrote: > On Wed 30 Nov 2022 at 11:24:15 -0300, Silas wrote: > > Well, not sure if number of LWPs is the problem, but I thought it was a > > good idea to add this information here. It would explain why sometimes > > one of my firefox instances gets killed randomly. > > I suspect indeed that the LWPs are the problem. And what's worse, the > ulimit setting is not per-process, but per-user. So with Firefox already > using 931 of them, your other processes have only 69 left. > > I built a custom kernel just to increase the maximum. I think -current > makes this a bit easier but for 9.x you need a small change in > /src/sys/sys/lwp.h: > > #define MAXLWP 8192 > > The kernel config file is pretty simple, but it seemed somehow uncertain > that the MAXLWP setting there is really active every time "lwp.h" is > included (hence the patch to it): > > include "arch/amd64/conf/GENERIC" > #ident "MAXLWP8192" > options MAXLWP=8192 > options MAXUPRC=2048
Yeah, I did some digging when I also tripped over this. I also just bumped MAXLWP in lwp.h. And yes, current is somewhat different: https://marc.info/?m=165780650613579 -- Paul Ripke "Great minds discuss ideas, average minds discuss events, small minds discuss people." -- Disputed: Often attributed to Eleanor Roosevelt. 1948.
