Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754994AbYHSPXW (ORCPT ); Tue, 19 Aug 2008 11:23:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752472AbYHSPXL (ORCPT ); Tue, 19 Aug 2008 11:23:11 -0400 Received: from styx.suse.cz ([82.119.242.94]:43981 "EHLO mail.suse.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752439AbYHSPXK (ORCPT ); Tue, 19 Aug 2008 11:23:10 -0400 Date: Tue, 19 Aug 2008 17:23:07 +0200 (CEST) From: Jiri Kosina To: Randy Dunlap cc: Aivils Stoss , stern@rowland.harvard.edu, lud , Samuel Thibault , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linuxconsole-dev@lists.sourceforge.net Subject: Re: PROBLEM: USB keyboards works only 4 per PC host port In-Reply-To: <20080819081936.37fef673.rdunlap@xenotime.net> Message-ID: References: <200808080702.24969.aivils@latnet.lv> <200808181642.49489.aivils@latnet.lv> <20080818081432.782d9632.rdunlap@xenotime.net> <200808191527.06945.aivils@latnet.lv> <20080819081936.37fef673.rdunlap@xenotime.net> User-Agent: Alpine 1.10 (LNX 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1066 Lines: 26 On Tue, 19 Aug 2008, Randy Dunlap wrote: > > 2.6.22-1-mepis-smp > > Quite stable. Have oops sometime inside evdev. Support up to 16 > > USB keyboards, where 4 hubs are plugged into PC and 4 keyboards on > > each hub. Any hub cascade support only 4 keyboards, where 5th or more > > is registered but don't send input events. Oops inside evdev , when > > USB keyboard unplugged. No slow down even all USB keyboards does > > not work properly. My be this one support more than 16 keyboards, but > > i don't have PC USB ports enough. > Has the evdev oops been reported and/or fixed? I think that we would > prefer to fix that soonish. We haven't seen the respective oops yet, or have I missed it? I'd bet it is fixed in newer kernels by patches that introduce proper locking into evdev code. -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/