From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Re: d80211: How does TX flow control work? Date: Wed, 03 Jan 2007 19:50:45 +0100 Message-ID: <459BFB05.9040608@web.de> References: <459A5945.80909@web.de> <20070103185203.2754e059@griffin.suse.cz> <459BF179.6000906@web.de> <20070103191853.4f440b8b@griffin.suse.cz> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigC646E86CA7C31A1281D07698" Cc: netdev@vger.kernel.org, Ivo Van Doorn , rt2400-devel@lists.sourceforge.net Return-path: Received: from fmmailgate03.web.de ([217.72.192.234]:61219 "EHLO fmmailgate03.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751064AbXACSut (ORCPT ); Wed, 3 Jan 2007 13:50:49 -0500 To: Jiri Benc In-Reply-To: <20070103191853.4f440b8b@griffin.suse.cz> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigC646E86CA7C31A1281D07698 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Jiri Benc wrote: > On Wed, 03 Jan 2007 19:10:01 +0100, Jan Kiszka wrote: >> BUG: warning at /usr/src/rt2x00/rt2x00/ieee80211/ieee80211.c:1256/ieee= 80211_tx() >> ieee80211_master_start_xmit+0x105/0x430 [80211] __ip_ct_refresh_acct+0x4d/0x60 >> tcp_packet+0x941/0x970 qdisc_restart+0x92/0x10= 0 >> dev_queue_xmit+0xbd/0x1a0 ieee80211_subif_star= t_xmit+0x468/0x480 [80211] >> skb_clone+0x3a/0x1a0 nf_hook_slow+0x4d/0xc0 >> dev_queue_xmit+0x115/0x1a0 ip_output+0x1c3/0x2= 00 >> ip_finish_output+0x0/0x180 ip_queue_xmit+0x36b= /0x3b0 >> dst_output+0x0/0x10 usb_hcd_giveback_urb+0x2d/= 0x60 [usbcore] >> tcp_v4_send_check+0x82/0xd0 tcp_v4_send_check+= 0x82/0xd0 >> tcp_transmit_skb+0x5e4/0x610 __tcp_push_pendin= g_frames+0x676/0x740 >> __alloc_skb+0x51/0x100 tcp_sendmsg+0x897/0x980= >> core_sys_select+0x1b9/0x2b0 inet_sendmsg+0x3d/= 0x50 >> do_sock_write+0x8f/0xa0 sock_aio_write+0x5f/0x= 70 >> do_sync_write+0xc3/0x100 autoremove_wake_funct= ion+0x0/0x40 >> vfs_write+0xa1/0x140 sys_write+0x43/0x70 >> syscall_call+0x7/0xb >> >> Does it tell you anything already? Is there something I may instrument= ? What >> could the driver do wrong to trigger such bug? >=20 > Do you have CONFIG_NET_SCHED enabled? >=20 Yes. Would it make a difference /wrt to that warning when I switch it off= ? Jan --------------enigC646E86CA7C31A1281D07698 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iD8DBQFFm/sGniDOoMHTA+kRAmQ2AJ9wU60yOnC5Wgm2G8z9B91X1nhaLwCfXW9l a1tiZqiAna5CW3CgTwJlHh4= =jM+E -----END PGP SIGNATURE----- --------------enigC646E86CA7C31A1281D07698--