From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcin Slusarz Subject: Re: option: oops on unload (2.6.27.4) Date: Fri, 28 Nov 2008 23:01:43 +0100 Message-ID: <20081128220142.GC6750@joi> References: <20081128213254.GB6750@joi> <20081128215021.GA25391@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: LKML , linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Greg KH Return-path: Content-Disposition: inline In-Reply-To: <20081128215021.GA25391-l3A5Bk7waGM@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org On Fri, Nov 28, 2008 at 01:50:21PM -0800, Greg KH wrote: > On Fri, Nov 28, 2008 at 10:32:59PM +0100, Marcin Slusarz wrote: > > It's not new bug - I've seen this oops many times but on much older > > kernels (2.6.18, probably on 2.6.24 too). > > > > I tried to rmmod it (and all usb modules) because sometimes it helps when > > modem disconnects and can't connect again. > > > > [25350.138850] BUG: unable to handle kernel paging request at e0857fb4 > > [25350.138866] IP: [] :usbcore:unlink1+0xab/0xb9 > > [25350.138921] *pde = 1f80f067 *pte = 00000000 > > [25350.138934] Oops: 0000 [#1] PREEMPT SMP > > [25350.138945] Modules linked in: r128 drm ipt_REDIRECT ipt_MASQUERADE xt_tcpudp xt_multiport iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack iptable_filter ip_tables ppp_deflate zlib_deflate zlib_inflate bsd_comp ppp_async crc_ccitt ppp_generic slhc ipt_REJECT x_tables loop option usbserial snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_timer snd 8139cp i2c_i801 floppy 8139too 3c59x psmouse intel_agp soundcore snd_page_alloc sg mii usbcore agpgart i2c_core sr_mod evdev dcdbas cdrom [last unloaded: uhci_hcd] > > [25350.139052] > > [25350.139059] Pid: 2807, comm: pppd Not tainted (2.6.27.4 #5) > > [25350.139065] EIP: 0060:[] EFLAGS: 00010286 CPU: 0 > > [25350.139088] EIP is at unlink1+0xab/0xb9 [usbcore] > > Yes, I've seen this before, what module are you unloading, uhci-hcd or > the option module? I don't know :| I invoked "rmmod option usbserial uhci_hcd usbcore" > Can you try 2.6.28-rc6? Yes. I'll check it in few days. > I think we have fixed a few things in this area > that should resolve this, if it is the uhci-hcd driver you are > unloading. Marcin -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html