LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Oliver Neukum <oneukum@suse.de>
To: linux-usb-devel@lists.sourceforge.net
Cc: Greg KH <gregkh@suse.de>, Jeremy Fitzhardinge <jeremy@goop.org>,
	Kevin Lloyd <linux@sierrawireless.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Kevin Lloyd <klloyd@sierrawireless.com>
Subject: Re: [linux-usb-devel] 2.6.21-rc4: NULL pointer dereference oops when unplugging sierra device
Date: Thu, 22 Mar 2007 10:04:46 +0100	[thread overview]
Message-ID: <200703221004.46806.oneukum@suse.de> (raw)
In-Reply-To: <20070321215309.GA18940@suse.de>

Am Mittwoch, 21. März 2007 22:53 schrieb Greg KH:
> > EIP is at sierra_shutdown+0x3a/0x113 [sierra]
> > eax: 00000000   ebx: 00000000   ecx: 00000000   edx: f8e52c9d
> > esi: 00000000   edi: e889fa1c   ebp: e84c0e2c   esp: e84c0e0c
> > ds: 007b   es: 007b   fs: 00d8  gs: 0033  ss: 0068
> > Process pppd (pid: 3847, ti=e84c0000 task=e8553550 task.ti=e84c0000)
> > Stack: 00000002 e84c0e18 c01cfda8 e84c0e20 c0240431 e889fa1c 00000003 e8a79d00 
> >        e84c0e50 f8e219e4 f8e5212d 00000021 00000000 00000000 00000000 e889fa50 
> >        f8e21956 e84c0e70 c01d099a e84c0e78 f8e52c58 e84c0e6c f6c5576c f6c55760 
> > Call Trace:
> >  [<c0104e98>] show_trace_log_lvl+0x1a/0x2f
> >  [<c0104f4a>] show_stack_log_lvl+0x9d/0xa5
> >  [<c0105114>] show_registers+0x1c2/0x293
> >  [<c0105307>] die+0x122/0x224
> >  [<c030fe69>] do_page_fault+0x505/0x5e1
> >  [<c030e5c4>] error_code+0x7c/0x84
> >  [<f8e219e4>] destroy_serial+0x8e/0x124 [usbserial]
> >  [<c01d099a>] kref_put+0x63/0x71
> >  [<f8e217f0>] usb_serial_put+0x10/0x12 [usbserial]
> >  [<f8e2194e>] serial_close+0xb6/0xbe [usbserial]

This looks like the "shutdown called too late bug".
Does the patch included here help:

http://lkml.org/lkml/2007/3/13/217

	Regards
		Oliver

      parent reply	other threads:[~2007-03-22  9:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-21 21:29 Jeremy Fitzhardinge
2007-03-21 21:53 ` Greg KH
2007-03-21 22:14   ` Jeremy Fitzhardinge
2007-03-22  9:04   ` Oliver Neukum [this message]

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=200703221004.46806.oneukum@suse.de \
    --to=oneukum@suse.de \
    --cc=gregkh@suse.de \
    --cc=jeremy@goop.org \
    --cc=klloyd@sierrawireless.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-usb-devel@lists.sourceforge.net \
    --cc=linux@sierrawireless.com \
    --subject='Re: [linux-usb-devel] 2.6.21-rc4: NULL pointer dereference oops when unplugging sierra device' \
    /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

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).