linux-kernel - Re: [ANNOUNCE] 3.12.12-rt19

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Date:	Sat, 01 Mar 2014 17:48:29 -0800
From:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
To:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	linux-rt-users <linux-rt-users@...r.kernel.org>
CC:	nando@...ma.Stanford.EDU, LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>, rostedt@...dmis.org,
	John Kacur <jkacur@...hat.com>
Subject: Re: [ANNOUNCE] 3.12.12-rt19

On 02/23/2014 10:47 AM, Sebastian Andrzej Siewior wrote:
> Dear RT folks!
>
> I'm pleased to announce the v3.12.12-rt19 patch set.

Just hit this Oops in my desktop at home:

----
[22328.388996] BUG: unable to handle kernel NULL pointer dereference at 
0000000000000008
[22328.389013] IP: [<ffffffffa011a912>] 
nouveau_fence_wait_uevent.isra.2+0x22/0x440 [nouveau]
[22328.389014] PGD d85b7067 PUD df150067 PMD 0
[22328.389015] Oops: 0000 [#1] PREEMPT SMP
[22328.389026] Modules linked in: snd_hrtimer snd_usb_audio 
snd_usbmidi_lib snd_seq_midi snd_seq_midi_event snd_seq_dummy fuse 
nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT 
arc4 xt_conntrack rt2800usb rt2x00usb rt2800lib rt2x00lib mac80211 
cfg80211 crc_ccitt ebtable_nat ebtable_broute bridge stp llc 
ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 
nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw 
ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 
nf_nat_ipv4 bnep nf_nat nf_conntrack iptable_mangle iptable_security 
iptable_raw w83627ehf hwmon_vid snd_hda_codec_hdmi raid1 
snd_hda_codec_realtek iTCO_wdt iTCO_vendor_support btusb bluetooth 
rfkill x86_pkg_temp_thermal coretemp kvm_intel kvm crct10dif_pclmul 
crc32_pclmul crc32c_intel
[22328.389032]  ghash_clmulni_intel microcode serio_raw i2c_i801 
snd_ice1712 snd_cs8427 snd_i2c snd_ice17xx_ak4xxx snd_ak4xxx_adda 
snd_mpu401_uart snd_ac97_codec ac97_bus snd_hda_intel snd_hda_codec 
snd_hdsp snd_hwdep snd_rawmidi snd_seq snd_seq_device lpc_ich mfd_core 
snd_pcm snd_page_alloc e1000e snd_timer mei_me snd ptp mei pps_core 
soundcore shpchp nouveau firewire_ohci firewire_core crc_itu_t 
i2c_algo_bit drm_kms_helper ttm drm i2c_core mxm_wmi wmi video
[22328.389034] CPU: 3 PID: 1118 Comm: Xorg Not tainted 
3.12.12-300.rt19.1.fc20.ccrma.x86_64+rt #1
[22328.389034] Hardware name:                  /DZ77GA-70K, BIOS 
GAZ7711H.86A.0061.2012.1228.1110 12/28/2012
[22328.389035] task: ffff8807ba50ae40 ti: ffff8807c09bc000 task.ti: 
ffff8807c09bc000
[22328.389045] RIP: 0010:[<ffffffffa011a912>]  [<ffffffffa011a912>] 
nouveau_fence_wait_uevent.isra.2+0x22/0x440 [nouveau]
[22328.389046] RSP: 0018:ffff8807c09bdc20  EFLAGS: 00010282
[22328.389046] RAX: 0000000000000000 RBX: ffff8807a68f8fa8 RCX: 
0000000000000000
[22328.389046] RDX: 0000000000000001 RSI: ffff8807a68f8fb0 RDI: 
ffff8807a68f8fa8
[22328.389047] RBP: ffff8807c09bdca0 R08: 000000000000045e R09: 
000000000000e200
[22328.389047] R10: ffffffffa0157d80 R11: ffff8807c09bdde0 R12: 
0000000000000001
[22328.389047] R13: 0000000000000000 R14: ffff8807d8493a80 R15: 
ffff8807a68f8fb0
[22328.389048] FS:  00007fd3a3bc69c0(0000) GS:ffff8807fe380000(0000) 
knlGS:0000000000000000
[22328.389048] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[22328.389049] CR2: 0000000000000008 CR3: 00000000d85b6000 CR4: 
00000000001407e0
[22328.389049] Stack:
[22328.389050]  ffffffff816903f7 ffff8807c09bdde0 ffffffffa0157d80 
000000000000e200
[22328.389052]  000000000000045e 0000000000400080 0000000000000000 
0000000000000001
[22328.389053]  ffff8807a68f8fb0 ffff8807a68f8fa8 ffffffffffffff10 
ffff8807a68f8f80
[22328.389053] Call Trace:
[22328.389057]  [<ffffffff816903f7>] ? retint_kernel+0x37/0x40
[22328.389069]  [<ffffffffa011af56>] nouveau_fence_wait+0x86/0x1a0 [nouveau]
[22328.389081]  [<ffffffffa011ca35>] nouveau_bo_fence_wait+0x15/0x20 
[nouveau]
[22328.389084]  [<ffffffffa00867c6>] ttm_bo_wait+0x96/0x1a0 [ttm]
[22328.389095]  [<ffffffffa0121dac>] 
nouveau_gem_ioctl_cpu_prep+0x5c/0xf0 [nouveau]
[22328.389101]  [<ffffffffa002cd42>] drm_ioctl+0x502/0x630 [drm]
[22328.389105]  [<ffffffff810a116c>] ? migrate_enable+0x9c/0x200
[22328.389114]  [<ffffffffa01180a1>] nouveau_drm_ioctl+0x51/0x90 [nouveau]
[22328.389116]  [<ffffffff811ced55>] do_vfs_ioctl+0x2e5/0x4e0
[22328.389119]  [<ffffffff812bc7f6>] ? file_has_perm+0x86/0xa0
[22328.389120]  [<ffffffff811cefd1>] SyS_ioctl+0x81/0xa0
[22328.389122]  [<ffffffff816979a9>] system_call_fastpath+0x16/0x1b
[22328.389128] Code: 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 
e5 41 57 49 89 f7 41 56 41 55 41 54 41 89 d4 53 48 89 fb 48 83 ec 58 48 
8b 07 <48> 8b 48 08 48 8b 91 18 01 00 00 4c 8b b1 e0 07 00 00 48 8b 42
[22328.389137] RIP  [<ffffffffa011a912>] 
nouveau_fence_wait_uevent.isra.2+0x22/0x440 [nouveau]
[22328.389137]  RSP <ffff8807c09bdc20>
[22328.389138] CR2: 0000000000000008
[22328.394400] ---[ end trace 0000000000000002 ]---
----

I'm attaching the full dmesg and the configuration for this kernel...
-- Fernando

Download attachment "OOPS.txt.bz2" of type "application/x-bzip" (22173 bytes)

Download attachment "config-3.12.12-300.rt19.1.fc20.ccrma.x86_64+rt.bz2" of type "application/x-bzip" (31849 bytes)