[DragonFlyBSD - Bug #2431] (Closed) dfly usched on UP kernel crash on boot

Thomas Nikolajsen via Redmine bugtracker-admin at leaf.dragonflybsd.org
Sun Oct 21 15:05:58 PDT 2012

Issue #2431 has been updated by Thomas Nikolajsen.

Status changed from New to Closed

Resolved by commit 40d9cbc812e431e3fc980040a50b09ca82c2ce1a
Bug #2431: dfly usched on UP kernel crash on boot

Author: Thomas Nikolajsen
Status: Closed
Priority: Normal
Target version: 

On master using UP kernel our default usched (dfly) crash on boot.

Using bsd4 usched works (kern.user_scheduler="bsd4").

UP kernel doesn't build, as WERROR triggers on some unused var, this is trivially fixed.

Should we fix dfly usched or just declare it SMP only (and bsd4 as default on UP)?

I guess UP system will have no benefit from dfly, vs bsd4.

(another router, which have been mentioned on irc is removing UP kernel support;
this needs SMP kernel support on all systems, and no noticiable performance diff IMO)

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