Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933961AbYBOBYf (ORCPT ); Thu, 14 Feb 2008 20:24:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759870AbYBOBYB (ORCPT ); Thu, 14 Feb 2008 20:24:01 -0500 Received: from dot.reactive-networks.net ([217.144.82.11]:3096 "EHLO dot.oreally.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756324AbYBOBX7 (ORCPT ); Thu, 14 Feb 2008 20:23:59 -0500 X-Greylist: delayed 2974 seconds by postgrey-1.27 at vger.kernel.org; Thu, 14 Feb 2008 20:23:59 EST Date: Fri, 15 Feb 2008 00:34:19 +0000 From: linux-kernel@ckeith.clara.net To: linux-kernel@vger.kernel.org Subject: Oops on 2.6.24.2 "rmmod fan" && "rmmod 8250_pnp" Message-ID: <20080215003419.GE15194@dot.oreally.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6826 Lines: 96 Hi, Just trying out 2.6.24.2 and in unloading some modules which I don't need managed to generate kernel oopsii. My apologies if these had been reported, I did a search and didn't see any other reports. rmmod fan gives: Feb 14 19:02:22 nike kernel: [ 150.012343] WARNING: at fs/proc/generic.c:736 remove_proc_entry() Feb 14 19:02:22 nike kernel: [ 150.012379] Pid: 3570, comm: rmmod Not tainted 2.6.24.2 #1 Feb 14 19:02:22 nike kernel: [ 150.012465] Feb 14 19:02:22 nike kernel: [ 150.012466] Call Trace: Feb 14 19:02:22 nike kernel: [ 150.012536] [] remove_proc_entry+0x198/0x1df Feb 14 19:02:22 nike kernel: [ 150.012587] [] kobject_release+0x0/0xf Feb 14 19:02:22 nike kernel: [ 150.012619] [] kobject_release+0xd/0xf Feb 14 19:02:22 nike kernel: [ 150.012650] [] kref_put+0x5f/0x6b Feb 14 19:02:22 nike kernel: [ 150.012682] [] kobject_put+0x19/0x1b Feb 14 19:02:22 nike kernel: [ 150.012714] [] bus_put+0xd/0xf Feb 14 19:02:22 nike kernel: [ 150.012746] [] bus_remove_driver+0xba/0xc3 Feb 14 19:02:22 nike kernel: [ 150.012783] [] :fan:acpi_fan_exit+0x23/0x25 Feb 14 19:02:22 nike kernel: [ 150.012815] [] sys_delete_module+0x1b0/0x1e3 Feb 14 19:02:22 nike kernel: [ 150.012851] [] syscall_trace_enter+0xb7/0xbb Feb 14 19:02:22 nike kernel: [ 150.012885] [] tracesys+0xdc/0xe1 Feb 14 19:02:22 nike kernel: [ 150.012920] Also managed to get a nasty issue with rmmod 8250_pnp and agetty. I have the machine boot up to use ttyS0 as the console. On removing 8250_pnp.ko it threw the following oops and then promptly wrote thousands of lines of errors, all saying: [ 1193.307736] release_dev: ttyS0: read/write wait queue active! Feb 14 18:53:01 nike kernel: [ 1114.912518] at 0000000000000010 RIP: Feb 14 18:53:01 nike kernel: [ 1114.913047] PGD 75552067 PUD 75074067 PMD 0 Feb 14 18:53:01 nike kernel: [ 1114.913653] CPU 0 Feb 14 18:53:01 nike kernel: [ 1114.913920] Modules linked in: ipv6 ipt_owner ipt_LOG xt_limit ipt_REJECT xt_tcpudp nf_conntrack_ipv4 xt_state nf_conntrack iptable_filter ip_tables x _tables binfmt_misc quota_v2 sbshc sbp2 firewire_sbp2 nvram ohci1394 8250_pnp ieee1394 firewire_ohci 8250 firewire_core serial_core crc_itu_t forcedeth sg unix dm_mod libusual sata_n v libata sd_mod scsi_mod ext3 jbd mbcache ssb pcmcia pcmcia_core firmware_class usbcore Feb 14 18:53:01 nike kernel: [ 1114.916274] Pid: 3320, comm: agetty Not tainted 2.6.24.2 #1 Feb 14 18:53:01 nike kernel: [ 1114.916525] RIP: 0010:[] [] :serial_core:uart_chars_in_buffer+0xf/0x1c Feb 14 18:53:01 nike kernel: [ 1114.917028] RSP: 0000:ffff8100754d7bf8 EFLAGS: 00010292 Feb 14 18:53:01 nike kernel: [ 1114.917279] RAX: ffff81007b1af9b0 RBX: 7fffffffffffffff RCX: 000000001d60dd26 Feb 14 18:53:01 nike kernel: [ 1114.917532] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff810075517090 Feb 14 18:53:01 nike kernel: [ 1114.917785] RBP: ffff8100754d7bf8 R08: ffff8100755173c8 R09: 00000000755173a8 Feb 14 18:53:01 nike kernel: [ 1114.918038] R10: ffffffff805a7f38 R11: 0000000000000001 R12: ffff810075517090 Feb 14 18:53:01 nike kernel: [ 1114.918298] R13: 7fffffffffffffff R14: 0000000000000000 R15: 0000000000005403 Feb 14 18:53:01 nike kernel: [ 1114.918554] FS: 00002b1ad993b6f0(0000) GS:ffffffff8057a000(0000) knlGS:0000000000000000 Feb 14 18:53:01 nike kernel: [ 1114.919031] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Feb 14 18:53:01 nike kernel: [ 1114.919283] CR2: 0000000000000010 CR3: 0000000076568000 CR4: 00000000000006e0 Feb 14 18:53:01 nike kernel: [ 1114.919536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Feb 14 18:53:01 nike kernel: [ 1114.919789] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Feb 14 18:53:01 nike kernel: [ 1114.920043] Process agetty (pid: 3320, threadinfo ffff8100754d6000, task ffff8100754d4000) Feb 14 18:53:01 nike kernel: [ 1114.920519] Stack: ffff8100754d7c58 ffffffff80384ff6 0000000000000000 ffff8100754d4000 Feb 14 18:53:01 nike kernel: [ 1114.921102] ffffffff8024e355 ffff8100755173c8 ffff8100755173c8 0000000000000296 Feb 14 18:53:01 nike kernel: [ 1114.921663] ffff8100754d7c58 ffff8100755170a8 ffff810075517090 0000000000000002 Feb 14 18:53:01 nike kernel: [ 1114.921981] Call Trace: Feb 14 18:53:01 nike kernel: [ 1114.922486] [] tty_wait_until_sent+0xa6/0x108 Feb 14 18:53:01 nike kernel: [ 1114.922741] [] autoremove_wake_function+0x0/0x38 Feb 14 18:53:01 nike kernel: [ 1114.922996] [] set_termios+0x101/0x399 Feb 14 18:53:01 nike kernel: [ 1114.923249] [] tty_ldisc_try+0x40/0x47 Feb 14 18:53:01 nike kernel: [ 1114.923504] [] _spin_unlock_irqrestore+0x3f/0x47 Feb 14 18:53:01 nike kernel: [ 1114.923760] [] tty_mode_ioctl+0xf7/0x266 Feb 14 18:53:01 nike kernel: [ 1114.924014] [] n_tty_ioctl+0x210/0x221 Feb 14 18:53:01 nike kernel: [ 1114.924268] [] tty_ioctl+0xc78/0xce2 Feb 14 18:53:01 nike kernel: [ 1114.924523] [] inotify_inode_queue_event+0x4f/0xe0 Feb 14 18:53:01 nike kernel: [ 1114.924779] [] inode_has_perm+0x6b/0x7a Feb 14 18:53:01 nike kernel: [ 1114.925034] [] check_bytes_and_report+0x38/0xcb Feb 14 18:53:01 nike kernel: [ 1114.925288] [] file_has_perm+0xa7/0xb6 Feb 14 18:53:01 nike kernel: [ 1114.925543] [] do_ioctl+0x5e/0x77 Feb 14 18:53:01 nike kernel: [ 1114.931362] [] vfs_ioctl+0x251/0x26e Feb 14 18:53:01 nike kernel: [ 1114.931616] [] sys_ioctl+0x57/0x7b Feb 14 18:53:01 nike kernel: [ 1114.931869] [] tracesys+0xdc/0xe1 Feb 14 18:53:01 nike kernel: [ 1114.932123] Feb 14 18:53:01 nike kernel: [ 1114.932368] Feb 14 18:53:01 nike kernel: [ 1114.932369] Code: 8b 42 10 2b 42 14 c9 25 ff 0f 00 00 c3 48 8b 87 b0 00 00 00 Feb 14 18:53:01 nike kernel: [ 1114.934036] RSP Feb 14 18:53:01 nike kernel: [ 1114.934554] ---[ end trace d01c9c9b8dd780f4 ]--- Agetty is spawned via: S0:2345:respawn:/sbin/agetty -h -L ttyS0 115200 vt100 This kernel is 2.6.24.2 from kernel.org and configured only with "make allmodconfig". Colin. -- "Developers are like artists; they produce their best work if they have the freedom to do so" - Werner Vogels, CTO Amazon.com -- 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/