Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 28 Feb 2001 14:16:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 28 Feb 2001 14:15:58 -0500 Received: from ns2.cypress.com ([157.95.67.5]:44485 "EHLO ns2.cypress.com") by vger.kernel.org with ESMTP id ; Wed, 28 Feb 2001 14:15:42 -0500 Message-ID: <3A9D4E46.C1660841@cypress.com> Date: Wed, 28 Feb 2001 13:15:18 -0600 From: Thomas Dodd Organization: Cypress Semiconductor Southeast Design Center X-Mailer: Mozilla 4.76 [en] (X11; U; SunOS 5.8 sun4u) X-Accept-Language: en-US, en-GB, en, de-DE, de-AT, de-CH, de, zh-TW, zh-CN, zh MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: linux-usb-devel@lists.sourceforge.net Subject: USB oops Linux 2.4.2ac6 In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 2.4.2-ac3 was fine. These are the only USB changes I see since then. > 2.4.2-ac6 > o USB hub kmalloc wrong size corruption fix (Peter Zaitcev) > > 2.4.2-ac5 > o Fix busy loop in usb storage (Arjan van de Ven) > o Fix USB thread wakeup scheduling (Arjan van de Ven) Tbird-700 on MSI-6167 (Viper based) board. from dmesg ------------- usb.c: registered new driver usbdevfs usb.c: registered new driver hub usb-ohci.c: USB OHCI at membase 0xd3874000, IRQ 11 usb-ohci.c: usb-00:07.4, Advanced Micro Devices [AMD] AMD-756 [Viper] USB usb.c: new USB bus registered, assigned bus number 1 usb.c: kmalloc IF c14aabc0, numif 1 usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1 usb.c: USB device number 1 default language ID 0x0 Product: USB OHCI Root Hub SerialNumber: d3874000 hub.c: USB hub found hub.c: 4 ports detected hub.c: standalone hub hub.c: ganged power switching hub.c: global over-current protection hub.c: TT requires at most 8 FS bit times hub.c: Port indicators are not supported hub.c: power on to power good time: 0ms hub.c: hub controller current requirement: 255mA hub.c: port removable status: RRRR hub.c: local power source is good hub.c: no over-current condition exists hub.c: enabling power on all ports usb.c: hub driver claimed interface c14aabc0 usb.c: kusbd: /sbin/hotplug add 1 -------------- If I boot with my mouse plugged in, or plug it in after the system is up, I get an oops. While I was buildong the kernel I got a message from the kernel -------- Feb 28 10:03:07 tedpc kernel: usb-ohci.c: bogus NDP=242 for OHCI usb-00:07.4 Feb 28 10:03:07 tedpc kernel: usb-ohci.c: rereads as NDP=4 ----- Every thing continued OK, but I wasn't using the mouse. I rebooted with the new kernel and got an oops when the init scripts started looking for usb devices. In 2.4.2-ac3 booting with the mouse shows this in the old log ----------------- Feb 20 12:34:05 tedpc kernel: usb.c: registered new driver usbdevfs Feb 20 12:34:05 tedpc kernel: usb.c: registered new driver hub Feb 20 12:34:05 tedpc kernel: usb-ohci.c: USB OHCI at membase 0xd3874000, IRQ 11 Feb 20 12:34:05 tedpc kernel: usb-ohci.c: usb-00:07.4, Advanced Micro Devices [AMD] AMD-756 [Viper] USB Feb 20 12:34:05 tedpc kernel: usb.c: new USB bus registered, assigned bus number 1 Feb 20 12:34:05 tedpc kernel: Product: USB OHCI Root Hub Feb 20 12:34:05 tedpc kernel: SerialNumber: d3874000 Feb 20 12:34:05 tedpc kernel: hub.c: USB hub found Feb 20 12:34:05 tedpc kernel: hub.c: 4 ports detected Feb 20 12:34:05 tedpc kernel: hub.c: USB new device connect on bus1/2, assigned device number 2 Feb 20 12:34:05 tedpc kernel: usb.c: USB device 2 (vend/prod 0x4b4/0x1) is not claimed by any active driver. Feb 20 12:34:05 tedpc kernel: Length = 18 Feb 20 12:34:05 tedpc kernel: DescriptorType = 01 Feb 20 12:34:05 tedpc kernel: USB version = 1.00 Feb 20 12:34:05 tedpc kernel: Vendor:Product = 04b4:0001 Feb 20 12:34:05 tedpc kernel: MaxPacketSize0 = 8 Feb 20 12:34:05 tedpc kernel: NumConfigurations = 1 Feb 20 12:34:05 tedpc kernel: Device version = 0.00 Feb 20 12:34:05 tedpc kernel: Device Class:SubClass:Protocol = 00:00:00 Feb 20 12:34:05 tedpc kernel: Per-interface classes Feb 20 12:34:05 tedpc kernel: Configuration: Feb 20 12:34:05 tedpc kernel: bLength = 9 Feb 20 12:34:05 tedpc kernel: bDescriptorType = 02 Feb 20 12:34:05 tedpc kernel: wTotalLength = 0022 Feb 20 12:34:05 tedpc kernel: bNumInterfaces = 01 Feb 20 12:34:05 tedpc kernel: bConfigurationValue = 01 Feb 20 12:34:05 tedpc kernel: iConfiguration = 00 Feb 20 12:34:06 tedpc kernel: bmAttributes = 80 Feb 20 12:34:06 tedpc kernel: MaxPower = 100mA Feb 20 12:34:06 tedpc kernel: Feb 20 12:34:06 tedpc kernel: Interface: 0 Feb 20 12:34:06 tedpc kernel: Alternate Setting: 0 Feb 20 12:34:06 tedpc kernel: bLength = 9 Feb 20 12:34:06 tedpc kernel: bDescriptorType = 04 Feb 20 12:34:06 tedpc kernel: bInterfaceNumber = 00 Feb 20 12:34:06 tedpc kernel: bAlternateSetting = 00 Feb 20 12:34:06 tedpc kernel: bNumEndpoints = 01 Feb 20 12:34:06 tedpc kernel: bInterface Class:SubClass:Protocol = 03:01:02 Feb 20 12:34:06 tedpc kernel: iInterface = 00 Feb 20 12:34:06 tedpc kernel: Endpoint: Feb 20 12:34:06 tedpc kernel: bLength = 7 Feb 20 12:34:06 tedpc kernel: bDescriptorType = 05 Feb 20 12:34:06 tedpc kernel: bEndpointAddress = 81 (in) Feb 20 12:34:06 tedpc kernel: bmAttributes = 03 (Interrupt) Feb 20 12:34:06 tedpc kernel: wMaxPacketSize = 0003 Feb 20 12:34:06 tedpc kernel: bInterval = 0a Feb 20 12:34:06 tedpc kernel: usb.c: registered new driver hid Feb 20 12:34:06 tedpc kernel: input0: USB HID v1.00 Mouse [04b4:0001] on usb1:2.0 Feb 20 12:34:06 tedpc kernel: mouse0: PS/2 mouse device for input0 Feb 20 12:34:06 tedpc kernel: mice: PS/2 mouse device common for all mice ----------------------- I don't have a serial console, so getting the oops takes a while. I'll send it if needed. I just loaded the mousedev and input modules. Plugging in the mouse oopsed again. The first line of the oops is ---- kernel BUG at slab.c:1398! ---- Any other ideas to try? -Thomas - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/