Return-path: Received: from mail-qc0-f178.google.com ([209.85.216.178]:35478 "EHLO mail-qc0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031203Ab3HIV2h (ORCPT ); Fri, 9 Aug 2013 17:28:37 -0400 Received: by mail-qc0-f178.google.com with SMTP id s1so2407324qcw.23 for ; Fri, 09 Aug 2013 14:28:36 -0700 (PDT) MIME-Version: 1.0 Date: Fri, 9 Aug 2013 23:28:36 +0200 Message-ID: (sfid-20130809_232840_517414_D7A49152) Subject: Re: [v3.10] [regression] [b43] : mac80211/minstrel: use the new rate control API From: Ronald To: linux-wireless@vger.kernel.org, nbd@openwrt.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: Excuse me, this should be a v3.10 regression. 2013/8/9 Ronald : > [ Please cc me as I'm not subscribed ] > > Mentioned commit causes a regression on my box. It oopses after > NetworkManager comes up and tries to use the card (I think). > > The card is: > > [ 1.220907] b43-phy0: Broadcom 4311 WLAN found (core revision 10) > [ 1.230206] ata1.00: configured for UDMA/100 > [ 1.320018] b43-phy0: Found PHY: Analog 4, Type 2 (G), Revision 8 > [ 1.380120] Broadcom 43xx driver loaded [ Features: P ] > > I typed over the oops (first lines fell off, sorry): > > Workqueue: phy0 ieee80211_scan_work > task: ffff880000211c20 ti: ffff880034c0c000 task.ti: ffff880034c0c000 > RIP: 0010:[] [] minstrel_get_rate+0x22/0x250 > RSP: 0018:ffff880034c0da88 EFLAGS: 00010286 > RAX: ffffffff81870ac0 RBX: 0000000000000000 RCX: ffff880034c0db58 > RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff880034c67a00 > RBP: ffff880034c0dac8 R08: ffff8800000863a0 R09: 0000000000000fff > R10: ffffffff81856020 R11: 0000000000000000 R12: ffff880034c67a00 > R13: ffff880034da2740 R14: ffff880034c0db58 R15: ffff88000039f940 > FS: 00007fd6da002700(0000) GS:ffffffff8181e000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 000000000005003b > CR2: 0000000000000048 CR3: 000000003517e000 CR4: 00000000000007f0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Stack: > 0000000000000000 ffff880034c0db28 ffff880034c0daf8 ffff88003517c330 > 0000000000000000 ffff880034da2740 ffff880034c0db58 ffff88000039f940 > ffff880034c0daf8 ffffffff815653e1 ffff880034c0dbe0 ffff88003517c300 > Call Trace: > [] rate_control_get_rate+0xa1/0xe0 > [] invoke_tx_handlers+0x729/0x1360 > [] ? sched_clock_local.constprop.1+0x1d/0x90 > [] ? check_preempt_wakeup+0x11e/0x240 > [] ieee80211_tx+0x7d/0x100 > [] ieee80211_xmit+0x91/0xc0 > [] __ieee80211_tx_skb_tid_band+0x6e/0x80 > [] ieee80211_send_probe_req+0x73/0xc0 > [] ieee80211_scan_state_send_probe+0x9f/0xe0 > [] ieee80211_scan_work+0x1fc/0x440 > [] process_one_work+0x13a/0x3b0 > [] worker_thread+0x10b/0x350 > [] ? rescuer_thread+0x250/0x250 > [] kthread+0xba/0xc0 > [] ? __kthread_parkme+0x80/0x80 > [] ret_from_fork+0x7a/0xb0 > [] ? __kthread_parkme+0x80/0x80 > Code: 00 00 00 00 00 0f 1f 40 00 55 48 89 e5 48 83 ec 40 48 89 5d d8 > 4c 89 65 e0 48 89 d3 4c 89 6d e8 4c 89 7d f8 49 89 fc 4c 89 75 f0 <44> > 0f b6 f7 4c 8b 71 18 48 89 ca 48 89 de 49 89 cd > RIP [] minstrel_get_rate+0x22/0x250 > RSP > CR2: 0000000000000048 > ---[ end trace 071727ab6dc6fcf3 ]--- > Kernel panic - not syncing: Fatal exception in interrupt > drm_kms_helper: panic occurred, switching back to text console