From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: USB, 2.6-test11 and hot flaming death From: Benjamin Herrenschmidt To: Samuel Rydh Cc: linuxppc-dev list In-Reply-To: <20031205233307.GA7462@ibrium.se> References: <1070080961.683.26.camel@gaston> <09B6571B-2408-11D8-970C-0003939E069A@mac.com> <20031204163433.GA21236@ibrium.se> <1070580925.613.7.camel@gaston> <20031205233307.GA7462@ibrium.se> Content-Type: text/plain Message-Id: <1070759378.12499.15.camel@gaston> Mime-Version: 1.0 Date: Sun, 07 Dec 2003 12:09:39 +1100 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Sat, 2003-12-06 at 10:33, Samuel Rydh wrote: > On Fri, Dec 05, 2003 at 10:35:26AM +1100, Benjamin Herrenschmidt wrote: > > > > > This problem has actually been present quite a while (at least > > > since 2.6.0-test3). On my dual 1.25 GHz G4, it occurs once > > > every four boots or so. > > > > Interesting. It happens with the NEC EHCI/OHCI or with the > > KeyLargo OHCI's ? I suspect it's a problem of the NEC part, > > and I think K2 actually contains that part built-in on the G5 > > The USB devices are all hooked up on the NEC EHCI/OHCI. I don't think the > KeyLargo OHCI cell is physically connected to any ports; it doesn't > show up in the device tree... Ok, so something is wrong between those old Apple kbds and the NEC part... Interesting. Does MacOS X show any similar symptom ? Also, I suppose we could fix the OHCI driver to at least try to recover in this case... I don't have much time to play with this at the moment, but I'll keep that in mind. I need to find one of those bad kbds first ;) Ben. ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/