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Message-ID: <Pine.LNX.4.44L0.0704142203560.11828-100000@netrider.rowland.org> Date: Sat, 14 Apr 2007 22:11:04 -0400 (EDT) From: Alan Stern <stern@...land.harvard.edu> To: Matthias Andree <matthias.andree@....de> cc: linux-kernel@...r.kernel.org, <linux-usb-devel@...ts.sourceforge.net> Subject: Re: [linux-usb-devel] 2.6.21-rc6 USB Keyboard hangs (EHCI/UHCI/HID) On Sat, 14 Apr 2007, Matthias Andree wrote: > I arrived at the computer today, to find khubd in D state again, but > unfortunately, it does not show up in Alt-SysRq-T output. Do kernel > threads show up there at all? 2.6.18.8-0.1 with SUSE patches on openSUSE > 10.2. As far as I know, all tasks including kernel threads should show up. They certainly do on my machine. However you're the second person to report that khubd doesn't appear after getting stuck in a D state. Clearly something strange is going on. I wish I knew what it was... > I had stopped usbmon before however, so I don't know what the events > have been leading to this lockup. Sorry. I'll leave usbmon running now. Something else you can do is turn on CONFIG_USB_DEBUG and then check the dmesg log for anything significant. Alan Stern - 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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