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Date: Wed, 12 Mar 2008 23:44:11 +0100 From: Tino Keitel <tino.keitel@....de> To: Alan Stern <stern@...land.harvard.edu> Cc: Jiri Kosina <jkosina@...e.cz>, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org Subject: Re: broken access to a USB HID device after suspend On Wed, Mar 12, 2008 at 17:44:56 -0400, Alan Stern wrote: [...] > Tino, it would help to see a kernel log showing what happened during > the suspend, resume, and failure of hidmon. It would help even more if > you test under a kernel with CONFIG_USB_DEBUG enabled. A full kernel log is available at http://tikei.de/dmesg > > Even if you can't reproduce the problem, do you have the complete > kernel log from before? > > Is it possible that this is really a problem with the LCD device, not > with the kernel? I ask because if the device was working properly then > unplugging and replugging the USB cable should do a complete reset. I did the following: - suspended the computer - switched off the LCD - resumed the computer - tried to use hidmon, got the error - unplugged the LCD - plugged in the LCD - tried to use hidmon again, got the error again - suspended the computer - resumed the computer - tried to use hidmon again, and it worked Note that I didn't switch off the LCD during the second suspend, in the case that matters. Regards, Tino -- 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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