Date: Wed, 15 Jun 2005 08:25:44 +0200 From: "Norbert Koch" <NKoch@demig.de> To: "Maksim Yevmenkin" <maksim.yevmenkin@savvis.net> Cc: "Freebsd-Hackers@Freebsd.Org" <freebsd-hackers@freebsd.org> Subject: RE: kernel panic in usb0; was: RE: using vkbd device Message-ID: <000e01c57173$0f453a20$4801a8c0@ws-ew-3.W2KDEMIG> In-Reply-To: <42AF6A83.4050608@savvis.net>
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> > When quickly connecting/disconnecting > > i guess you mean here unplug the keyboard and then immediately plug it > back, right? I mean plug in / plug out, repeat for ever. > can you tell what value "pipe" handle has? i suspect its NULL yes > can you tell what value "iface" handle has? i suspect its NULL yes > > thats ok. splusb is defined as splbio oh, ok. > what is your usb controller? uhci/ohci? what chip? ohci AcerLabs M5237 (Aladdin-V) > please compile kernel with DIAGNOSTIC and USB_DEBUG. then try to adjust > various "debug" knobs with sysctl(8) to get debug traces. at this point > it looks like a race condition of some sort (to me). ok, I'll try this.
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