From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758143AbZFVUCA (ORCPT ); Mon, 22 Jun 2009 16:02:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752152AbZFVUBx (ORCPT ); Mon, 22 Jun 2009 16:01:53 -0400 Received: from mail-fx0-f224.google.com ([209.85.220.224]:61075 "EHLO mail-fx0-f224.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751464AbZFVUBw (ORCPT ); Mon, 22 Jun 2009 16:01:52 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; b=IHOD4JP/4afGw1dCJRuj6ScKHbt2WNJrIxgDFwdKs0I640jSMlhOkhAP9h40klqy3b gleO8NUWm+LPTzcQyAcCogx7Y29vG5dGd0uA9jaPp2nu1R709ZoUJf9Y8MuR+KYME8R0 7AYk5WjTEn9F+xAUuA5nD9392muZmJHNHmEVQ= Date: Mon, 22 Jun 2009 22:01:50 +0200 From: Luca Tettamanti To: linux-kernel@vger.kernel.org Cc: alan@lxorguk.ukuu.org.uk Subject: WARNING: at drivers/char/tty_ldisc.c:465 tty_ldisc_close Message-ID: <20090622200149.GA4257@nb-core2.darkstar.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, with current git I see the following warning when rebooting the machine: [ 287.872699] ------------[ cut here ]------------ [ 287.874306] WARNING: at /home/kronos/src/linux-2.6.git/drivers/char/tty_ldisc.c:465 tty_ldisc_close+0x27/0x4d() [ 287.875829] Hardware name: F3Sa [ 287.877387] Modules linked in: af_packet btusb bridge stp llc bnep sco rfcomm l2cap bluetooth ipv6 binfmt_misc acpi_cpufreq cpufreq_userspace cpufreq_stats cpufreq_conservative cpufreq_powersave cpufreq_ondemand freq_table kvm_intel kvm deflate zlib_deflate twofish_x86_64 twofish_common aes_x86_64 aes_generic blowfish des_generic cbc sha256_generic sha1_generic af_key ext3 jbd coretemp hwmon microcode loop snd_hda_codec_realtek arc4 ecb snd_hda_intel snd_hda_codec iwlagn snd_hwdep iwlcore snd_pcm mac80211 snd_seq snd_timer rtc_cmos snd_seq_device snd cfg80211 rtc_core soundcore video pcspkr evdev psmouse rtc_lib asus_laptop snd_page_alloc rfkill output processor battery ac button ext4 mbcache jbd2 crc16 usbhid hid dm_mod sg sr_mod cdrom sdhci_pci sdhci mmc_core ohci1394 sd_mod ieee1394 led_class ata_piix ahci uhci_hcd libata scsi_mod ehci_hcd usbcore intel_agp thermal fan unix [ 287.885243] Pid: 4098, comm: login Not tainted 2.6.30-07769-gf234012 #127 [ 287.886049] Call Trace: [ 287.886858] [] ? finish_wait+0x5d/0x65 [ 287.887654] [] ? tty_ldisc_close+0x27/0x4d [ 287.888455] [] warn_slowpath_common+0x77/0xa4 [ 287.889269] [] warn_slowpath_null+0xf/0x11 [ 287.890039] [] tty_ldisc_close+0x27/0x4d [ 287.890814] [] tty_ldisc_reinit+0x15/0x4c [ 287.891581] [] tty_ldisc_hangup+0xfd/0x188 [ 287.892351] [] do_tty_hangup+0x104/0x335 [ 287.893117] [] disassociate_ctty+0x52/0x23d [ 287.893870] [] do_exit+0x2b2/0x70a [ 287.894615] [] do_group_exit+0x73/0xa0 [ 287.895363] [] get_signal_to_deliver+0x380/0x3a1 [ 287.896133] [] do_notify_resume+0x8b/0x70b [ 287.896887] [] ? _spin_unlock_irqrestore+0x12/0x2b [ 287.897644] [] ? do_wait+0x238/0x361 [ 287.898398] [] ? default_wake_function+0x0/0xf [ 287.899154] [] ? sys_wait4+0xa1/0xb3 [ 287.899906] [] sysret_signal+0x6d/0xb7 [ 287.900669] ---[ end trace 256501a14a678d82 ]--- It's not 100% reproducible, but I have a few instances of the warning with different (post 2.6.30) kernel builds (I tend to build daily). Luca