From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263057AbUCSSqu (ORCPT ); Fri, 19 Mar 2004 13:46:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263059AbUCSSqt (ORCPT ); Fri, 19 Mar 2004 13:46:49 -0500 Received: from hell.sks3.muni.cz ([147.251.210.31]:48610 "EHLO hell.sks3.muni.cz") by vger.kernel.org with ESMTP id S263057AbUCSSqo (ORCPT ); Fri, 19 Mar 2004 13:46:44 -0500 Date: Fri, 19 Mar 2004 19:46:40 +0100 From: Lukas Hejtmanek To: linux-kernel@vger.kernel.org Subject: 2.6.4 UHCI HCD BUG Message-ID: <20040319184640.GA1938@mail.muni.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: 8bit X-echelon: NSA, CIA, CI5, MI5, FBI, KGB, BIS, Plutonium, Bin Laden, bomb User-Agent: Mutt/1.5.5.1+cvs20040105i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello, with 2.6.4 if I do rmmod uhci_hcd and then modprobe uhci_hcd while running X server with USB mouse connected to UHCI USB I got: uhci_hcd 0000:00:1d.2: USB bus 3 deregistered slab error in kmem_cache_destroy(): cache `uhci_urb_priv': Can't free all object s Call Trace: [] kmem_cache_destroy+0x85/0xf3 [] uhci_hcd_cleanup+0x1c/0x61 [uhci_hcd] [] sys_delete_module+0x12d/0x154 [] do_IRQ+0x10d/0x140 [] sysenter_past_esp+0x52/0x71 drivers/usb/host/uhci-hcd.c: not all urb_priv's were freed! USB Universal Host Controller Interface driver v2.2 kmem_cache_create: duplicate cache uhci_urb_priv ------------[ cut here ]------------ kernel BUG at mm/slab.c:1314! invalid operand: 0000 [#1] PREEMPT CPU: 0 EIP: 0060:[] Not tainted EFLAGS: 00210202 EIP is at kmem_cache_create+0x3e9/0x48f eax: 00000031 ebx: ceda82c8 ecx: c03df728 edx: cd0ea000 esi: d0e9f2da edi: d0e9f2da ebp: ceda81e8 esp: cd0ebf4c ds: 007b es: 007b ss: 0068 Process modprobe (pid: 11450, threadinfo=cd0ea000 task=c32cee40) Stack: c0304c80 d0e9f2cc 00000000 cd0ebf68 ceda8224 c0000000 fffffffc 00000010 00000000 fffffff4 c0342cb8 cd0ea000 d08a60ce d0e9f2cc 0000002c 00000080 00000000 00000000 00000000 c0342cd0 d0ea1100 c01321fb c03df5e4 00000001 Call Trace: [] uhci_hcd_init+0xce/0x130 [uhci_hcd] [] sys_init_module+0x12e/0x24b [] sysenter_past_esp+0x52/0x71 Code: 0f 0b 22 05 c2 44 30 c0 8b 0b e9 76 ff ff ff 8b 47 34 c7 04 USB in /proc/pci: Bus 0, device 29, function 0: USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 3). IRQ 5. I/O at 0x1820 [0x183f]. Bus 0, device 29, function 1: USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 3). IRQ 11. I/O at 0x1840 [0x185f]. Bus 0, device 29, function 2: USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 3). IRQ 4. I/O at 0x1860 [0x187f]. Bus 0, device 29, function 7: USB Controller: Intel Corp. 82801DB USB2 (rev 3). IRQ 10. Non-prefetchable 32 bit memory at 0xe0100000 [0xe01003ff]. -- Lukáš Hejtmánek