Return-path: Received: from mail.atheros.com ([12.36.123.2]:59365 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754283AbZKLW06 convert rfc822-to-8bit (ORCPT ); Thu, 12 Nov 2009 17:26:58 -0500 Received: from mail.atheros.com ([10.10.20.105]) by sidewinder.atheros.com for ; Thu, 12 Nov 2009 14:27:04 -0800 Date: Thu, 12 Nov 2009 14:27:01 -0800 From: "Luis R. Rodriguez" To: "Luis R. Rodriguez" CC: Sujith Manoharan , Aeolus Yang , "ath9k-devel@lists.ath9k.org" , linux-wireless , Luis Rodriguez Subject: Re: [ath9k-devel] Oops on ath_txq_schedule() hit a BUG_ON() Message-ID: <20091112222700.GB17000@tux> References: <43e72e890911101606j46e1edfn64e331f3463d4da5@mail.gmail.com> <19194.14583.795686.199320@gargle.gargle.HOWL> <20091111204420.GA18071@bombadil.infradead.org> <20091111224542.GA9584@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" In-Reply-To: <20091111224542.GA9584@bombadil.infradead.org> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, Nov 11, 2009 at 02:45:42PM -0800, Luis R. Rodriguez wrote: > On Wed, Nov 11, 2009 at 03:44:20PM -0500, Luis R. Rodriguez wrote: > > On Wed, Nov 11, 2009 at 09:39:27AM +0530, Sujith wrote: > > > Luis R. Rodriguez wrote: > > > > I managed to get an oops the 2.6.32-rc wireless bits on ath9k by using > > > > linux-backports-modules package on Ubuntu 9.10 which is on 2.6.31. I'm > > > > pretty sure this is a real oops which can be reproduced on 2.6.32-rc6 > > > > but I was unable to boot the same laptop on 2.6.32-rc6 [1] due to an > > > > early oops on what seems to be i915. > > > > > > > > The EIP is at ath_txq_schedule() but the oops happens due to a > > > > BUG_ON() (used to be ASSERT()) on this piece of code: > > > > > > I have seen this once, and I have a backtrace. > > > > I got a full trace now, on Linus' tip. > > > > Please excuse the double prints, I haven't figured out how to > > cure that with netconsole yet [1] > > > > [1] http://www.spinics.net/lists/netdev/msg111823.html > > > Even better, now I got a full log even from when I connect > to the AP with full debug enabled (0xffffff). This amounted > to getting 222 MB of of data, compressed with bzip -9 it > came to only 18 MB, I've pasted the last 1k lines below but > if you want the full log you can grab it here: > > http://bombadil.infradead.org/~mcgrof/logs/2.6.32-rc6/ath9k-ar9285-2.6.32-rc6-2009-11-11.txt.bz2 > > Note that both outputs still have the dummy double prints due to some > sort of issue I'm having with netconsoel (or the switch or something..) And I now have a wireless-testing trace, unfortunately with debug enabled I was unable to reproduce for a few minutes -- someone else had to borrow the same device so didn't get a chance to leave it running for a long period of time. Again this is with wireless-testing on master-2009-11-11 (same double netconsole print stuff present): [ 28.462254] console [netcon0] enabled [ 28.462273] netconsole: network logging started [ 28.462254] console [netcon0] enabled [ 28.462273] netconsole: network logging started [ 32.989747] CPU0 attaching NULL sched-domain. [ 32.989779] CPU1 attaching NULL sched-domain. [ 32.989747] CPU0 attaching NULL sched-domain. [ 32.989779] CPU1 attaching NULL sched-domain. [ 33.001377] CPU0 attaching sched-domain: [ 33.001395] domain 0: span 0-1 level SIBLING [ 33.001406] groups: 0 (cpu_power = 589) 1 (cpu_power = 589) [ 33.001457] domain 1: span 0-1 level MC [ 33.001471] groups: 0-1 (cpu_power = 1178) [ 33.001501] CPU1 attaching sched-domain: [ 33.001514] domain 0: span 0-1 level SIBLING [ 33.001538] groups: 1 (cpu_power = 589) 0 (cpu_power = 589) [ 33.001566] domain 1: span 0-1 level MC [ 33.001587] groups: 0-1 (cpu_power = 1178) [ 33.001377] CPU0 attaching sched-domain: [ 33.001395] domain 0: span 0-1 level SIBLING [ 33.001406] groups: 0 (cpu_power = 589) 1 (cpu_power = 589) [ 33.001457] domain 1: span 0-1 level MC [ 33.001471] groups: 0-1 (cpu_power = 1178) [ 33.001501] CPU1 attaching sched-domain: [ 33.001514] domain 0: span 0-1 level SIBLING [ 33.001538] groups: 1 (cpu_power = 589) 0 (cpu_power = 589) [ 33.001566] domain 1: span 0-1 level MC [ 33.001587] groups: (cpu_power = 1178) [ 44.978768] wlan0: direct probe to AP 00:22:6b:56:fd:e8 (try 1) [ 44.978871] wlan0: deauthenticating from 00:22:6b:56:fd:e8 by local choice (reason=3) [ 44.978768] wlan0: direct probe to AP 00:22:6b:56:fd:e8 (try 1) [ 44.978871] wlan0: deauthenticating from 00:22:6b:56:fd:e8 by local choice (reason=3) [ 45.013049] wlan0: direct probe to AP 00:22:6b:56:fd:e8 (try 1) [ 45.013049] wlan0: direct probe to AP 00:22:6b:56:fd:e8 (try 1) [ 45.213089] wlan0: direct probe to AP 00:22:6b:56:fd:e8 (try 2) [ 45.213089] wlan0: direct probe to AP 00:22:6b:56:fd:e8 (try 2) [ 45.220195] wlan0: direct probe responded [ 45.220217] wlan0: authenticate with AP 00:22:6b:56:fd:e8 (try 1) [ 45.220195] wlan0: direct probe responded [ 45.220217] wlan0: authenticate with AP 00:22:6b:56:fd:e8 (try 1) [ 45.226064] wlan0: authenticated [ 45.226127] wlan0: associate with AP 00:22:6b:56:fd:e8 (try 1) [ 45.226064] wlan0: authenticated [ 45.226127] wlan0: associate with AP 00:22:6b:56:fd:e8 (try 1) [ 45.237985] wlan0: RX AssocResp from 00:22:6b:56:fd:e8 (capab=0x401 status=0 aid=1) [ 45.238005] wlan0: associated [ 45.237985] wlan0: RX AssocResp from 00:22:6b:56:fd:e8 (capab=0x401 status=0 aid=1) [ 45.238005] wlan0: associated [ 45.247118] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.247118] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.724138] wlan0: no IPv6 routers present [ 55.724138] wlan0: no IPv6 routers present [ 266.644232] CE: hpet increasing min_delta_ns to 15000 nsec [ 266.644232] CE: hpet increasing min_delta_ns to 15000 nsec [ 281.250512] ------------[ cut here ]------------ [ 281.250512] ------------[ cut here ]------------ [ 281.254404] kernel BUG at drivers/net/wireless/ath/ath9k/xmit.c:181! [ 281.254404] invalid opcode: 0000 [#1] SMP [ 281.254404] kernel BUG at drivers/net/wireless/ath/ath9k/xmit.c:181! [ 281.254404] invalid opcode: 0000 [#1] SMP [ 281.254404] last sysfs file: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:0c/PNP0C0A:00/power_supply/BAT1/energy_full [ 281.254404] Modules linked in: netconsole binfmt_misc ppdev[ 281.254404] last sysfs file: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:0c/PNP0C0A:00/power_supply/BAT1/energy_full snd_hda_codec_realtek[ 281.254404] Modules linked in: snd_hda_intel netconsole snd_hda_codec snd_hwdep binfmt_misc snd_pcm_oss ppdev snd_mixer_oss snd_pcm snd_hda_codec_realtek snd_seq_dummy snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event bridge snd_seq_oss arc4 snd_seq snd_seq_midi ath9k snd_timer snd_rawmidi ath9k_common stp snd_seq_midi_event iptable_filter bridge snd_seq_device mac80211 arc4 bnep ath9k_hw snd_seq joydev ath9k snd_timer ath9k_common stp iptable_filter snd_seq_device mac80211 bnep ath9k_hw joydev ip_tables btusb ath snd dell_laptop lp x_tables ip_tables psmouse cfg80211 btusb soundcore serio_raw ath dcdbas parport snd dell_laptop lp led_class snd_page_alloc x_tables usbhid fbcon psmouse tileblit font cfg80211 bitblit soundcore softcursor serio_raw dcdbas parport led_class snd_page_alloc usbhid fbcon tileblit font bitblit softcursor i915 drm_kms_helper usb_storage drm i2c_algo_bit intel_agp i915 r8169 mii video drm_kms_helper output agpgart usb_storage drm i2c_algo_bit intel_agp r8169 mii video output agpgart [ 281.254404] [ 281.254404] [ 281.254404] Pid: 0, comm: swapper Not tainted (2.6.32-rc6-wl #4) Inspiron 1012 [ 281.254404] Pid: 0, comm: swapper Not tainted (2.6.32-rc6-wl #4) Inspiron 1012 [ 281.254404] EIP: 0060:[] EFLAGS: 00010286 CPU: 1 [ 281.254404] EIP: 0060:[] EFLAGS: 00010286 CPU: 1 [ 281.254404] EIP is at ath_txq_schedule+0x5f2/0x600 [ath9k] [ 281.254404] EIP is at ath_txq_schedule+0x5f2/0x600 [ath9k] [ 281.254404] EAX: 00000005 EBX: f66b6b70 ECX: 00000049 EDX: 0000004d [ 281.254404] EAX: 00000005 EBX: f66b6b70 ECX: 00000049 EDX: 0000004d [ 281.254404] ESI: f5dfc1e0 EDI: 00000000 EBP: f707ddd4 ESP: f707dd3c [ 281.254404] ESI: f5dfc1e0 EDI: 00000000 EBP: f707ddd4 ESP: f707dd3c [ 281.254404] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 281.254404] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 281.254404] Process swapper (pid: 0, ti=f707c000 task=f705e580 task.ti=f707c000) [ 281.254404] Process swapper (pid: 0, ti=f707c000 task=f705e580 task.ti=f707c000) [ 281.254404] Stack: [ 281.254404] 08000001 00000000 f707ddc0 f7072bbc[ 281.254404] Stack: f5dfe570 f5dfe568[ 281.254404] 08000001 00000000 f5dfe560 00000000 f707ddc0 f7072bbc f5dfe570 f5dfe568 00000000 f5dfe560 [ 281.254404] <0> f7072b94 0000001a 00000000 f7072b94 00000000 000066a8[ 281.254404] <0> f5dfc1e8 f7072b94 0000001a f5dfc304 00000000 f7072b94 00000000 000066a8 f5dfc1e8 f5dfc304 [ 281.254404] <0> f7072ba4 0100001f 00000000 f66b6b70 00000010 000066a8[ 281.254404] <0> f66b6b70 f7072ba4 000086c0 0100001f 00000000 f66b6b70 00000010 000066a8 f66b6b70 000086c0 [ 281.254404] Call Trace: [ 281.254404] Call Trace: [ 281.254404] [] ? ath_tx_tasklet+0x2f7/0x3c0 [ath9k] [ 281.254404] [] ? ath_tx_tasklet+0x2f7/0x3c0 [ath9k] [ 281.254404] [] ? ath9k_tasklet+0xd7/0x120 [ath9k] [ 281.254404] [] ? ath9k_tasklet+0xd7/0x120 [ath9k] [ 281.254404] [] ? tasklet_action+0xa2/0xb0 [ 281.254404] [] ? tasklet_action+0xa2/0xb0 [ 281.254404] [] ? __do_softirq+0x90/0x1a0 [ 281.254404] [] ? __do_softirq+0x90/0x1a0 [ 281.254404] [] ? ack_apic_level+0x66/0x170 [ 281.254404] [] ? ack_apic_level+0x66/0x170 [ 281.254404] [] ? sched_clock_tick+0x5e/0xa0 [ 281.254404] [] ? sched_clock_tick+0x5e/0xa0 [ 281.254404] [] ? do_softirq+0x3d/0x40 [ 281.254404] [] ? do_softirq+0x3d/0x40 [ 281.254404] [] ? irq_exit+0x5d/0x70 [ 281.254404] [] ? irq_exit+0x5d/0x70 [ 281.254404] [] ? do_IRQ+0x50/0xc0 [ 281.254404] [] ? do_IRQ+0x50/0xc0 [ 281.254404] [] ? sched_clock_local+0xa4/0x180 [ 281.254404] [] ? sched_clock_local+0xa4/0x180 [ 281.254404] [] ? common_interrupt+0x30/0x40 [ 281.254404] [] ? common_interrupt+0x30/0x40 [ 281.254404] [] ? remove_wait_queue+0x3b/0x50 [ 281.254404] [] ? remove_wait_queue+0x3b/0x50 [ 281.254404] [] ? acpi_idle_enter_bm+0x255/0x286 [ 281.254404] [] ? acpi_idle_enter_bm+0x255/0x286 [ 281.254404] [] ? cpuidle_idle_call+0x6e/0xf0 [ 281.254404] [] ? cpuidle_idle_call+0x6e/0xf0 [ 281.254404] [] ? cpu_idle+0x8c/0xd0 [ 281.254404] [] ? cpu_idle+0x8c/0xd0 [ 281.254404] [] ? start_secondary+0x19e/0x1a4 [ 281.254404] Code: 08 8b 53 2c 89 4b 2c [ 281.254404] [] ? start_secondary+0x19e/0x1a4 8b 9d 74 [ 281.254404] Code: ff ff 08 ff 89 50 8b 0c 53 89 2c 58 08 89 89 0a e9 4b f1 fc ff 2c ff 8d b4 8b 26 00 00 9d 00 00 bf 74 01 00 00 ff 00 e9 26 ff fc ff ff ff <0f> 0b 89 eb fe 8d 76 50 0c 89 58 08 89 0a e9 f1 fc ff ff 8d b4 26 00 00 00 00 bf 01 00 00 00 e9 26 fc ff ff <0f> 0b eb fe 8d 76 00 8d bc 27 00 00 00 00 55 89 00 e5 57 56 8d bc 53 83 27 00 00 00 00 55 89 e5 57 56 53 83 [ 281.254404] EIP: [] ath_txq_schedule+0x5f2/0x600 [ath9k][ 281.254404] EIP: [] ath_txq_schedule+0x5f2/0x600 [ath9k] SS:ESP 0068:f707dd3c SS:ESP 0068:f707dd3c [ 281.527846] ---[ end trace aa92ebe253e5014f ]--- [ 281.527846] ---[ end trace aa92ebe253e5014f ]--- [ 281.538450] Kernel panic - not syncing: Fatal exception in interrupt [ 281.538450] Kernel panic - not syncing: Fatal exception in interrupt [ 281.545741] Pid: 0, comm: swapper Tainted: G D 2.6.32-rc6-wl #4 [ 281.545741] Pid: 0, comm: swapper Tainted: G D 2.6.32-rc6-wl #4 [ 281.552350] Call Trace: [ 281.552350] Call Trace: [ 281.558819] [] ? printk+0x18/0x21 [ 281.558819] [] ? printk+0x18/0x21 [ 281.565343] [] panic+0x43/0xee [ 281.565343] [] panic+0x43/0xee [ 281.571847] [] oops_end+0xc5/0xd0 [ 281.571847] [] oops_end+0xc5/0xd0 [ 281.578254] [] die+0x4f/0x70 [ 281.578254] [] die+0x4f/0x70 [ 281.584555] [] do_trap+0x96/0xc0 [ 281.584555] [] do_trap+0x96/0xc0 [ 281.590801] [] ? do_invalid_op+0x0/0xa0 [ 281.590801] [] ? do_invalid_op+0x0/0xa0 [ 281.597056] [] do_invalid_op+0x86/0xa0 [ 281.597056] [] do_invalid_op+0x86/0xa0 [ 281.603377] [] ? ath_txq_schedule+0x5f2/0x600 [ath9k] [ 281.603377] [] ? ath_txq_schedule+0x5f2/0x600 [ath9k] [ 281.607525] [] ? __kfree_skb+0x38/0x90 [ 281.607525] [] ? __kfree_skb+0x38/0x90 [ 281.611773] [] ? __kfree_skb+0x38/0x90 [ 281.611773] [] ? __kfree_skb+0x38/0x90 [ 281.615511] [] ? consume_skb+0x1c/0x40 [ 281.615511] [] ? consume_skb+0x1c/0x40 [ 281.621367] [] ? ieee80211_tx_status+0x41f/0x450 [mac80211] [ 281.621367] [] ? ieee80211_tx_status+0x41f/0x450 [mac80211] [ 281.627114] [] ? __enqueue_entity+0x9d/0xc0 [ 281.627114] [] ? __enqueue_entity+0x9d/0xc0 [ 281.633259] [] ? default_spin_lock_flags+0x8/0x10 [ 281.633259] [] ? default_spin_lock_flags+0x8/0x10 [ 281.638919] [] ? _spin_lock_irqsave+0x2a/0x40 [ 281.638919] [] ? _spin_lock_irqsave+0x2a/0x40 [ 281.645014] [] error_code+0x73/0x80 [ 281.645014] [] error_code+0x73/0x80 [ 281.650852] [] ? ath_txq_schedule+0x5f2/0x600 [ath9k] [ 281.650852] [] ? ath_txq_schedule+0x5f2/0x600 [ath9k] [ 281.656532] [] ath_tx_tasklet+0x2f7/0x3c0 [ath9k] [ 281.656532] [] ath_tx_tasklet+0x2f7/0x3c0 [ath9k] [ 281.662653] [] ath9k_tasklet+0xd7/0x120 [ath9k] [ 281.662653] [] ath9k_tasklet+0xd7/0x120 [ath9k] [ 281.668234] [] tasklet_action+0xa2/0xb0 [ 281.668234] [] tasklet_action+0xa2/0xb0 [ 281.675076] [] __do_softirq+0x90/0x1a0 [ 281.675076] [] __do_softirq+0x90/0x1a0 [ 281.680479] [] ? ack_apic_level+0x66/0x170 [ 281.680479] [] ? ack_apic_level+0x66/0x170 [ 281.687134] [] ? sched_clock_tick+0x5e/0xa0 [ 281.687134] [] ? sched_clock_tick+0x5e/0xa0 [ 281.692496] [] do_softirq+0x3d/0x40 [ 281.692496] [] do_softirq+0x3d/0x40 [ 281.699037] [] irq_exit+0x5d/0x70 [ 281.699037] [] irq_exit+0x5d/0x70 [ 281.704246] [] do_IRQ+0x50/0xc0 [ 281.704246] [] do_IRQ+0x50/0xc0 [ 281.710591] [] ? sched_clock_local+0xa4/0x180 [ 281.710591] [] ? sched_clock_local+0xa4/0x180 [ 281.715825] [] common_interrupt+0x30/0x40 [ 281.715825] [] common_interrupt+0x30/0x40 [ 281.722438] [] ? remove_wait_queue+0x3b/0x50 [ 281.722438] [] ? remove_wait_queue+0x3b/0x50 [ 281.727719] [] ? acpi_idle_enter_bm+0x255/0x286 [ 281.727719] [] ? acpi_idle_enter_bm+0x255/0x286 [ 281.734422] [] cpuidle_idle_call+0x6e/0xf0 [ 281.734422] [] cpuidle_idle_call+0x6e/0xf0 [ 281.739737] [] cpu_idle+0x8c/0xd0 [ 281.739737] [] cpu_idle+0x8c/0xd0 [ 281.746322] [] start_secondary+0x19e/0x1a4 [ 281.746322] [] start_secondary+0x19e/0x1a4 [ 281.751710] [drm:drm_fb_helper_panic] *ERROR* panic occurred, switching back to text console [ 281.751710] [drm:drm_fb_helper_panic] *ERROR* panic occurred, switching back to text console [ 281.755668] BUG: scheduling while atomic: swapper/0/0x10000200 [ 281.755668] Modules linked in:[ 281.755668] BUG: scheduling while atomic: swapper/0/0x10000200 netconsole[ 281.755668] Modules linked in: binfmt_misc ppdev snd_hda_codec_realtek netconsole snd_hda_intel snd_hda_codec binfmt_misc snd_hwdep ppdev snd_pcm_oss snd_mixer_oss snd_hda_codec_realtek snd_pcm snd_hda_intel snd_seq_dummy snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event bridge snd_seq_oss arc4 snd_seq snd_seq_midi ath9k snd_timer snd_rawmidi ath9k_common stp snd_seq_midi_event iptable_filter bridge snd_seq_device mac80211 arc4 bnep ath9k_hw snd_seq joydev ath9k snd_timer ath9k_common stp iptable_filter snd_seq_device mac80211 bnep ath9k_hw joydev ip_tables btusb ath snd dell_laptop lp x_tables ip_tables psmouse cfg80211 btusb soundcore serio_raw ath dcdbas parport snd led_class dell_laptop snd_page_alloc usbhid lp fbcon tileblit x_tables psmouse font bitblit cfg80211 softcursor soundcore serio_raw dcdbas parport led_class snd_page_alloc usbhid fbcon tileblit font bitblit softcursor i915 drm_kms_helper usb_storage drm i2c_algo_bit intel_agp i915 r8169 mii drm_kms_helper video output usb_storage agpgart drm i2c_algo_bit intel_agp r8169 mii video output agpgart [ 281.755668] [ 281.755668] [ 281.755668] Pid: 0, comm: swapper Tainted: G D (2.6.32-rc6-wl #4) Inspiron 1012 [ 281.755668] Pid: 0, comm: swapper Tainted: G D (2.6.32-rc6-wl #4) Inspiron 1012 [ 281.755668] EIP: 0060:[] EFLAGS: 00000286 CPU: 1 [ 281.755668] EIP: 0060:[] EFLAGS: 00000286 CPU: 1 [ 281.755668] EIP is at acpi_idle_enter_bm+0x255/0x286 [ 281.755668] EIP is at acpi_idle_enter_bm+0x255/0x286 [ 281.755668] EAX: c07f5dec EBX: 0000033a ECX: 00000041 EDX: 0220e000 [ 281.755668] EAX: c07f5dec EBX: 0000033a ECX: 00000041 EDX: 0220e000 [ 281.755668] ESI: 00000000 EDI: f70224c0 EBP: f707df64 ESP: f707df3c [ 281.755668] ESI: 00000000 EDI: f70224c0 EBP: f707df64 ESP: f707df3c [ 281.755668] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 281.755668] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 281.755668] CR0: 8005003b CR2: b760d820 CR3: 00800000 CR4: 000006d0 [ 281.755668] CR0: 8005003b CR2: b760d820 CR3: 00800000 CR4: 000006d0 [ 281.755668] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 281.755668] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 281.755668] DR6: ffff0ff0 DR7: 00000400 [ 281.755668] DR6: ffff0ff0 DR7: 00000400 [ 281.755668] Call Trace: [ 281.755668] Call Trace: [ 281.755668] [] cpuidle_idle_call+0x6e/0xf0 [ 281.755668] [] cpuidle_idle_call+0x6e/0xf0 [ 281.755668] [] cpu_idle+0x8c/0xd0 [ 281.755668] [] cpu_idle+0x8c/0xd0 [ 281.755668] [] start_secondary+0x19e/0x1a4 [ 281.755668] [] start_secondary+0x19e/0x1a4 [ 281.755668] [drm] Big FIFO is enabled [ 281.755668] [drm] Big FIFO is enabled