From: Shan Wei <shanwei@cn.fujitsu.com>
To: Greg KH <gregkh@suse.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, linux-kernel@vger.kernel.org
Subject: Re: WARNING in tty_io.c
Date: Thu, 18 Nov 2010 17:14:28 +0800 [thread overview]
Message-ID: <4CE4EE74.2080404@cn.fujitsu.com> (raw)
In-Reply-To: <20101118061415.GA14712@suse.de>
Greg KH wrote, at 11/18/2010 02:14 PM:
> On Wed, Nov 10, 2010 at 04:06:41PM +0800, Shan Wei wrote:
>>
>> Modify start-ttys.conf to add ttyS0 device on my Fedora13 with 2.6.37-rc1+ kernel.
>> After rebooting system, got the following WARNING.
>>
>>
>> ------------[ cut here ]------------
>> WARNING: at drivers/char/tty_io.c:1331 tty_open+0x20e/0x3b2()
>> Hardware name: Aspire SA80
>> Modules linked in: ipv6 uinput snd_intel8x0 snd_ac97_codec ac97_bus r8169 ppdev parport_pc snd_seq snd_seq_device snd_pcm sis900 mii snd_timer snd soundcore parport snd_page_alloc pcspkr ata_generic pata_acpi sata_sis pata_sis [last unloaded: scsi_wait_scan]
>> Pid: 117, comm: plymouthd Not tainted 2.6.37-rc1+ #4
>
> Does this still happen in .37-rc2?
Good news.
It's not appreared in 2.6.37-rc2+ with top commit 59365d13.
Thanks again.
--
Best Regards
-----
Shan Wei
>
> Alan, any ideas?
>
>> Call Trace:
>> [<c044045c>] warn_slowpath_common+0x6a/0x7f
>> [<c062aff0>] ? tty_open+0x20e/0x3b2
>> [<c0440485>] warn_slowpath_null+0x14/0x18
>> [<c062aff0>] tty_open+0x20e/0x3b2
>> [<c04dc6c7>] chrdev_open+0xf3/0x110
>> [<c04d8688>] __dentry_open+0x141/0x237
>> [<c04d8833>] nameidata_to_filp+0x43/0x51
>> [<c04dc5d4>] ? chrdev_open+0x0/0x110
>> [<c04e25b8>] do_last+0x372/0x47f
>> [<c04e3b8d>] do_filp_open+0x19c/0x406
>> [<c04e5085>] ? do_vfs_ioctl+0x55e/0x5b4
>> [<c05b6232>] ? might_fault+0x1e/0x20
>> [<c04d8457>] do_sys_open+0x4d/0xcf
>> [<c0581f47>] ? selinux_file_ioctl+0x43/0x46
>> [<c04d8525>] sys_open+0x23/0x2b
>> [<c04097df>] sysenter_do_call+0x12/0x28
>> [<c07a0000>] ? init_intel_cacheinfo+0x6d/0x39e
>> ---[ end trace eeb22dd7bedfb0b1 ]---
>>
>
prev parent reply other threads:[~2010-11-18 9:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-10 8:06 WARNING in tty_io.c Shan Wei
2010-11-18 6:14 ` Greg KH
2010-11-18 9:14 ` Shan Wei [this message]
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