From: Jiri Slaby <jslaby@suse.cz>
To: Sergey Lapin <slapin@ossfans.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: ldisc problems with 2.6.32-2.6.37-rc2 (at least)
Date: Wed, 24 Nov 2010 15:33:53 +0100 [thread overview]
Message-ID: <4CED2251.3020708@suse.cz> (raw)
In-Reply-To: <20101124135249.GA7282@build.ihdev.net>
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] [<c1030321>] ? warn_slowpath_common+0x5e/0x8a
> [2943389.062188] [<c1030357>] ? warn_slowpath_null+0xa/0xc
> [2943389.062195] [<c119311c>] ? tty_ldisc_open+0x26/0x38
> [2943389.062202] [<c11936c5>] ? tty_set_ldisc+0x218/0x304
> [2943389.062212] [<c101f409>] ? kunmap_atomic+0x51/0x6d
> [2943389.062230] [<f852ee80>] ? usb_serial_generic_chars_in_buffer+0x75/0x9c [usbserial]
> [2943389.062244] [<f852d0df>] ? serial_chars_in_buffer+0x44/0x47 [usbserial]
> [2943389.062252] [<c1191f0e>] ? tty_chars_in_buffer+0x12/0x13
> [2943389.062259] [<c119231a>] ? tty_wait_until_sent+0x1c/0xcb
> [2943389.062271] [<c118efa1>] ? tty_ioctl+0x554/0x6f0
> [2943389.062277] [<c118ea4d>] ? tty_ioctl+0x0/0x6f0
> [2943389.062287] [<c10bd3cc>] ? vfs_ioctl+0x1c/0x5f
> [2943389.062294] [<c10bd960>] ? do_vfs_ioctl+0x4aa/0x4e5
> [2943389.062303] [<c10b1453>] ? do_sys_open+0xd4/0xdf
> [2943389.062309] [<c10adfb0>] ? kmem_cache_free+0x78/0xaf
> [2943389.062316] [<c10b1453>] ? do_sys_open+0xd4/0xdf
> [2943389.062323] [<c10b1448>] ? do_sys_open+0xc9/0xdf
> [2943389.062331] [<c126f01f>] ? do_page_fault+0x2f1/0x307
> [2943389.062339] [<c10bd9dc>] ? sys_ioctl+0x41/0x58
> [2943389.062347] [<c10030fb>] ? 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
next prev parent reply other threads:[~2010-11-24 14:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-24 13:52 ldisc problems with 2.6.32-2.6.37-rc2 (at least) Sergey Lapin
2010-11-24 14:33 ` Jiri Slaby [this message]
2010-11-24 17:03 ` Sergey Lapin
2010-11-24 19:43 ` Jiri Slaby
2010-11-24 19:45 ` Jiri Slaby
2010-11-24 21:53 ` Sergey Lapin
2010-11-24 22:02 ` Jiri Slaby
2010-11-24 22:26 ` Sergey Lapin
2010-11-24 22:41 ` Jiri Slaby
2010-11-24 23:27 ` [PATCH 1/2] TTY: ldisc, fix open flag handling Jiri Slaby
2010-11-29 21:50 ` Greg KH
2010-11-29 22:41 ` Jiri Slaby
2010-11-29 22:47 ` Greg KH
2010-11-24 23:27 ` [PATCH 2/2] NET: wan/x25, fix ldisc->open retval Jiri Slaby
2010-11-25 23:13 ` Sergey Lapin
2010-11-24 22:03 ` ldisc problems with 2.6.32-2.6.37-rc2 (at least) Sergey Lapin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4CED2251.3020708@suse.cz \
--to=jslaby@suse.cz \
--cc=linux-kernel@vger.kernel.org \
--cc=slapin@ossfans.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.