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Date: Tue, 19 Aug 2008 17:23:07 +0200 (CEST) From: Jiri Kosina <jkosina@...e.cz> To: Randy Dunlap <rdunlap@...otime.net> cc: Aivils Stoss <aivils@...net.lv>, stern@...land.harvard.edu, lud <linux-usb@...r.kernel.org>, Samuel Thibault <samuel.thibault@...-lyon.org>, linux-input@...r.kernel.org, linux-kernel@...r.kernel.org, linuxconsole-dev@...ts.sourceforge.net Subject: Re: PROBLEM: USB keyboards works only 4 per PC host port 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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