From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ivaylo Dimitrov Subject: Re: USB gadgets with configfs hang reboot Date: Sat, 16 Jan 2016 12:40:50 +0200 Message-ID: <569A1E32.1020502@gmail.com> References: <20160115224839.GA19432@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160115224839.GA19432-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Tony Lindgren , Felipe Balbi Cc: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Greg Kroah-Hartman , Robert Baldyga , Andrzej Pietrasiewicz List-Id: linux-omap@vger.kernel.org Hi, On 16.01.2016 00:48, Tony Lindgren wrote: > Hi all, > > Looks like there's some issue with the USB gadgets and configfs. > > I'm seeing rmmod of the UDC driver cause a warning and then reboot > hangs the system. This happens at least with v4.4, and I've reproduced > it with dwc3 and musb so it seems to be generic. > Having configfs is not needed, disabling usb gadgets (# CONFIG_USB_MUSB_GADGET is not set) seems to solved at least poweroff hang issue on N900. Also, g_nokia is not a module in the config I use, so I guess the problem is not related whether gadgets are modular or not. Unfortunately I was not able to test reboot, as rootfs became corrupted after the first poweroff :( . So it looks like my theory that onenand corruption on N900 is because poweroff/reboot hangs is wrong. Ivo -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html