From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:58712 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753675AbdLHO3S (ORCPT ); Fri, 8 Dec 2017 09:29:18 -0500 Date: Fri, 8 Dec 2017 15:29:06 +0100 From: Pavel Machek To: Kalle Valo , sgruszka@redhat.com Cc: kernel list , johannes.berg@intel.com, linville@tuxdriver.com, linux-wireless@vger.kernel.org Subject: iwl3945: regression at 4.15-rc1 was Re: 4.15.0-rc1-next-20171201: WARNING: .... at net/mac80211/agg-tx.c:315 Message-ID: <20171208142906.GF7793@amd> (sfid-20171208_152954_598799_1E9DA4D3) References: <20171205102434.GA12780@amd> <874lp5jwge.fsf@purkki.adurom.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="FeAIMMcddNRN4P4/" In-Reply-To: <874lp5jwge.fsf@purkki.adurom.net> Sender: linux-wireless-owner@vger.kernel.org List-ID: --FeAIMMcddNRN4P4/ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > This is quite annoying: repeated > > > > [ 4169.591529] ---[ end trace e65d97cf1d20b84d ]--- > > [ 4169.591565] WARNING: CPU: 0 PID: 5472 at net/mac80211/agg-tx.c:315 > > ___ieee80211_stop_tx_\ > > ba_session+0x158/0x1f0 > > > > Hardware is thinkpad x60. Git blame says cfcdbde35 introduced the > > test. >=20 > To save time for others, the driver is iwl3945: >=20 > > [ 0.970687] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connec= tion driver for Linux, in-tree:ds > > [ 0.970690] iwl3945: Copyright(c) 2003-2011 Intel Corporation > > [ 0.970692] iwl3945: hw_scan is disabled > > [ 0.971082] iwl3945 0000:03:00.0: can't disable ASPM; OS doesn't hav= e ASPM control > > [ 1.026281] iwl3945 0000:03:00.0: Tunable channels: 11 802.11bg, 13 = 802.11a channels > > [ 1.026287] iwl3945 0000:03:00.0: Detected Intel Wireless WiFi Link = 3945ABG > > [ 1.027866] ieee80211 phy0: Selected rate control algorithm 'iwl-394= 5-rs' And same problem is there in 4.15-rc1. It is regression from 4.14. [ 530.816390] WARNING: CPU: 1 PID: 3193 at net/mac80211/agg-tx.c:315 ___ieee802 11_stop_tx_ba_session+0x158/0x1f0 [ 530.816395] Modules linked in: [ 530.816405] CPU: 1 PID: 3193 Comm: wpa_supplicant Tainted: G W 4.15.0-rc1+ #447 [ 530.816410] Hardware name: LENOVO 17097HU/17097HU, BIOS 7BETD8WW (2.19 ) 03/3 1/2011 [ 530.816416] task: 17453748 task.stack: 79a41831 [ 530.816422] EIP: ___ieee80211_stop_tx_ba_session+0x158/0x1f0 [ 530.816427] EFLAGS: 00010246 CPU: 1 [ 530.816433] EAX: 00000000 EBX: f5c19000 ECX: f5eff670 EDX: f5eff040 [ 530.816438] ESI: 0000000f EDI: 00000003 EBP: ef32dbb4 ESP: ef32db8c [ 530.816444] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 530.816450] CR0: 80050033 CR2: 091a4008 CR3: 34d412c0 CR4: 000006b0 [ 530.816455] Call Trace: [ 530.816463] ieee80211_sta_tear_down_BA_sessions+0x6e/0xd0 [ 530.816470] __sta_info_destroy_part1+0x3d/0x1f0 --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --FeAIMMcddNRN4P4/ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAloqobIACgkQMOfwapXb+vLHwgCgqljnkfvdo7GFFbw8iJlqB0ny FoUAnjqc4fnytnhfvOMRFY4Eoc1JdLH6 =uI8V -----END PGP SIGNATURE----- --FeAIMMcddNRN4P4/--