Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752602Ab0KXOeO (ORCPT ); Wed, 24 Nov 2010 09:34:14 -0500 Received: from mail-pw0-f46.google.com ([209.85.160.46]:34889 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751049Ab0KXOeN (ORCPT ); Wed, 24 Nov 2010 09:34:13 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=pts9iT8qekIj8DcMWpXvmVcs5/zyQQwDFyweptLmgIiTL6+jc25q8sOiPphLt5kF5i 2OnnxflmqMxJYlAWo4ZkZiAMV3saZ7arcKn801qX5VNNkv4/otF/+pOj1WRQOtyTLiwT M3N6z+OrOcfBaHa3KOb2CM9uOMhI1Ivt1zbQs= Message-ID: <4CED2251.3020708@suse.cz> Date: Wed, 24 Nov 2010 15:33:53 +0100 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; cs-CZ; rv:1.9.2.12) Gecko/20101026 SUSE/3.1.6 Thunderbird/3.1.6 MIME-Version: 1.0 To: Sergey Lapin CC: linux-kernel@vger.kernel.org Subject: Re: ldisc problems with 2.6.32-2.6.37-rc2 (at least) References: <20101124135249.GA7282@build.ihdev.net> In-Reply-To: <20101124135249.GA7282@build.ihdev.net> X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3381 Lines: 49 On 11/24/2010 02:52 PM, Sergey Lapin wrote: > slapin@slapin:~$ dmesg > Sent at 4:45 PM on Wednesday > me: [2943389.061987] ------------[ cut here ]---------- > [2943389.062002] WARNING: at /tmp/buildd/linux-2.6-2.6.32/debian/build/source_i386_none/drivers/char/tty_ldisc.c:445 tty_ldisc_open+0x26/0x38() > [2943389.062008] Hardware name: System Product Name > [2943389.062011] Modules linked in: x25 ax25 x25_asy lapb cp210x btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs exportfs reiserfs ext4 jbd2 nls_cp437 vfat fat usb_storage nls_utf8 isofs udf crc_itu_t acpi_cpufreq sco parport_pc cpufreq_stats bridge ppdev cpufreq_conservative stp cpufreq_userspace lp cpufreq_powersave parport vboxnetadp bnep rfcomm vboxnetflt l2cap vboxdrv crc16 bluetooth rfkill binfmt_misc fuse ext2 loop snd_hda_codec_intelhdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device i915 drm_kms_helper evdev drm i2c_i801 i2c_algo_bit snd psmouse pl2303 video soundcore joydev asus_atk0110 output usbserial i2c_core snd_page_alloc pcspkr processor button serio_raw ext3 jbd mbcache usbhid hid dm_mod sg sr_mod sd_mod crc_t10dif cdrom ata_generic ata_piix ehci_hcd thermal r8169 pata_jmicron thermal_sys libata scsi_m od mii usbcore nls_base [last unloaded: x25] > [2943389.062162] Pid: 5251, comm: a.out Tainted: G W 2.6.32-5-686 #1 > [2943389.062167] Call Trace: > [2943389.062180] [] ? warn_slowpath_common+0x5e/0x8a > [2943389.062188] [] ? warn_slowpath_null+0xa/0xc > [2943389.062195] [] ? tty_ldisc_open+0x26/0x38 > [2943389.062202] [] ? tty_set_ldisc+0x218/0x304 > [2943389.062212] [] ? kunmap_atomic+0x51/0x6d > [2943389.062230] [] ? usb_serial_generic_chars_in_buffer+0x75/0x9c [usbserial] > [2943389.062244] [] ? serial_chars_in_buffer+0x44/0x47 [usbserial] > [2943389.062252] [] ? tty_chars_in_buffer+0x12/0x13 > [2943389.062259] [] ? tty_wait_until_sent+0x1c/0xcb > [2943389.062271] [] ? tty_ioctl+0x554/0x6f0 > [2943389.062277] [] ? tty_ioctl+0x0/0x6f0 > [2943389.062287] [] ? vfs_ioctl+0x1c/0x5f > [2943389.062294] [] ? do_vfs_ioctl+0x4aa/0x4e5 > [2943389.062303] [] ? do_sys_open+0xd4/0xdf > [2943389.062309] [] ? kmem_cache_free+0x78/0xaf > [2943389.062316] [] ? do_sys_open+0xd4/0xdf > [2943389.062323] [] ? do_sys_open+0xc9/0xdf > [2943389.062331] [] ? do_page_fault+0x2f1/0x307 > [2943389.062339] [] ? sys_ioctl+0x41/0x58 > [2943389.062347] [] ? sysenter_do_call+0x12/0x28 > [2943389.062353] ---[ end trace a7919e7f17c0a72e ]--- > > What am I doing wrong here? This backtrace is from Debian > slapin@slapin:~$ uname -a > Linux slapin 2.6.32-5-686 #1 SMP Thu Oct 14 17:15:16 UTC 2010 i686 GNU/Linux > > But I get similar backtraces from 2.6.37-rc2. Hi, I don't think you get similar backtraces in .37-rc2. Could you grab one? regards, -- js suse labs -- 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/