From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266265AbUALT06 (ORCPT ); Mon, 12 Jan 2004 14:26:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266268AbUALT06 (ORCPT ); Mon, 12 Jan 2004 14:26:58 -0500 Received: from colino.net ([62.212.100.143]:46580 "EHLO paperstreet.colino.net") by vger.kernel.org with ESMTP id S266265AbUALT04 (ORCPT ); Mon, 12 Jan 2004 14:26:56 -0500 Date: Mon, 12 Jan 2004 20:17:08 +0100 From: Colin Leroy To: linux-kernel@vger.kernel.org Subject: Badness in ohci-hcd Message-Id: <20040112201708.3102a2d6.colin@colino.net> Organization: X-Mailer: Sylpheed version 0.9.5claws (GTK+ 2.2.4; powerpc-unknown-linux-gnu) Mime-Version: 1.0 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 Hi, Disconnecting a GPRS modem (cdc-acm, compiled as module) from an iBook G4 running 2.6.1-ben1 gives the following log: usb 4-1: USB disconnect, address 3 Badness in ohci_endpoint_disable at drivers/usb/host/ohci-hcd.c:334 Call trace: [c000ba60] dump_stack+0x18/0x28 [c0008ce0] check_bug_trap+0x84/0xac [c0008e2c] ProgramCheckException+0x124/0x154 [c00083b4] ret_from_except_full+0x0/0x4c [eb04729c] ohci_endpoint_disable+0xa4/0x174 [ohci_hcd] [c01a54e0] hcd_endpoint_disable+0x118/0x190 [c01a6a20] usb_disable_endpoint+0xa8/0xac [c01a6b64] usb_disable_device+0xcc/0xd8 [c01a06e8] usb_disconnect+0x9c/0x134 [c01a3328] hub_port_connect_change+0x2e8/0x2ec [c01a361c] hub_events+0x2f0/0x358 [c01a36c0] hub_thread+0x3c/0xf8 [c000b10c] kernel_thread+0x44/0x60 pppd hangs and does not exit after sending it a SIGHUP, too. I don't know if this is related... -- Colin