From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-rt-users <linux-rt-users@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>
Subject: nouveau + rt = boom
Date: Mon, 02 Jun 2014 15:17:20 +0200 [thread overview]
Message-ID: <1401715040.5757.7.camel@marge.simpson.net> (raw)
In-Reply-To: <1401714764.5757.3.camel@marge.simpson.net>
TODO++: Rummage around in this nouveau -rt explosion.
[ 178.647978] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
[ 178.648010] IP: [<ffffffffa02ad6c2>] nouveau_fence_signal+0x52/0xd0 [nouveau]
[ 178.648012] PGD 21fa60067 PUD 221b78067 PMD 0
[ 178.648014] Oops: 0002 [#1] PREEMPT SMP
[ 178.648018] Dumping ftrace buffer:
[ 178.648021] (ftrace buffer empty)
[ 178.648045] Modules linked in: nfsd nfs_acl auth_rpcgss snd_pcm_oss snd_mixer_oss snd_seq oid_registry snd_seq_device edd nfs fscache lockd sunrpc af_packet bridge stp llc cpufreq_conservative cpufreq_ondemand cpufreq_userspace microcode cpufreq_powersave nls_iso8859_1 nls_cp437 vfat fat fuse ext3 jbd nouveau ttm drm_kms_helper e1000e drm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_pcm i2c_algo_bit snd_timer iTCO_wdt usb_storage mxm_wmi video sr_mod cdrom sg iTCO_vendor_support snd wmi lpc_ich ptp acpi_cpufreq button mfd_core pps_core i2c_i801 pcspkr soundcore thermal fan processor thermal_sys
[ 178.648047] CPU: 1 PID: 4298 Comm: Xorg Not tainted 3.14.4-rt5 #26
[ 178.648048] Hardware name: MEDIONPC MS-7502/MS-7502, BIOS 6.00 PG 12/26/2007
[ 178.648049] task: ffff8802201f0000 ti: ffff8802217a8000 task.ti: ffff8802217a8000
[ 178.648072] RIP: 0010:[<ffffffffa02ad6c2>] [<ffffffffa02ad6c2>] nouveau_fence_signal+0x52/0xd0 [nouveau]
[ 178.648073] RSP: 0018:ffff8802217a9c88 EFLAGS: 00010202
[ 178.648074] RAX: 0000000000000000 RBX: ffff8800ca64df60 RCX: 0000000000000000
[ 178.648075] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 178.648075] RBP: ffff8802217a9ca8 R08: 0000000000000000 R09: 0000000000000000
[ 178.648076] R10: ffff8802201f0000 R11: 0000000000000001 R12: ffff8800ca64dea0
[ 178.648077] R13: ffff880204497c50 R14: ffff880204497c40 R15: ffff88021f903048
[ 178.648078] FS: 00007f9be9f2d880(0000) GS:ffff88022fc80000(0000) knlGS:0000000000000000
[ 178.648079] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 178.648080] CR2: 0000000000000008 CR3: 000000021f5dd000 CR4: 00000000000007e0
[ 178.648081] Stack:
[ 178.648083] ffff880204497c40 ffff8802044973c0 ffff88021f903000 ffff880037a7a840
[ 178.648085] ffff8802217a9ce0 ffffffffa02ad7f8 ffff880037a7a840 ffff8800b9de6200
[ 178.648087] ffff880204497f80 ffffffffa02b2e50 ffff88021f755000 ffff8802217a9d18
[ 178.648087] Call Trace:
[ 178.648111] [<ffffffffa02ad7f8>] nouveau_fence_update+0x48/0xa0 [nouveau]
[ 178.648133] [<ffffffffa02b2e50>] ? nouveau_gem_info+0xc0/0xc0 [nouveau]
[ 178.648156] [<ffffffffa02adfb0>] nouveau_fence_work+0x30/0x150 [nouveau]
[ 178.648178] [<ffffffffa02b3647>] nouveau_gem_object_close+0x137/0x1d0 [nouveau]
[ 178.648190] [<ffffffffa01628b2>] drm_gem_handle_delete+0xc2/0x120 [drm]
[ 178.648199] [<ffffffffa0162ff8>] drm_gem_close_ioctl+0x28/0x30 [drm]
[ 178.648208] [<ffffffffa0160cd2>] drm_ioctl+0x4d2/0x610 [drm]
[ 178.648213] [<ffffffff8139d4a5>] ? __pm_runtime_resume+0x35/0x60
[ 178.648216] [<ffffffff8107c84d>] ? get_parent_ip+0xd/0x50
[ 178.648219] [<ffffffff81588da9>] ? preempt_count_sub+0x49/0x50
[ 178.648221] [<ffffffff8107cd60>] ? migrate_enable+0xe0/0x1e0
[ 178.648243] [<ffffffffa02aaece>] nouveau_drm_ioctl+0x4e/0x90 [nouveau]
[ 178.648245] [<ffffffff81185ff0>] do_vfs_ioctl+0x300/0x530
[ 178.648248] [<ffffffff8158d33b>] ? sysret_check+0x1b/0x56
[ 178.648250] [<ffffffff81094996>] ? trace_hardirqs_on_caller+0x16/0x1d0
[ 178.648252] [<ffffffff81186261>] SyS_ioctl+0x41/0x80
[ 178.648254] [<ffffffff8158d316>] system_call_fastpath+0x1a/0x1f
[ 178.648273] Code: 61 c0 75 0b eb 5b 0f 1f 00 4c 89 e3 49 89 d4 48 8b 35 b3 f3 81 e1 48 89 da bf 08 00 00 00 e8 d6 70 db e0 48 8b 53 40 48 8b 43 48 <48> 89 42 08 48 89 10 48 b8 00 01 10 00 00 00 ad de 48 89 43 40
[ 178.648295] RIP [<ffffffffa02ad6c2>] nouveau_fence_signal+0x52/0xd0 [nouveau]
[ 178.648295] RSP <ffff8802217a9c88>
[ 178.648296] CR2: 0000000000000008
next prev parent reply other threads:[~2014-06-02 13:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-02 13:12 [patchlet] rt,locking: fix __ww_mutex_lock_interruptible() lockdep annotation Mike Galbraith
2014-06-02 13:17 ` Mike Galbraith [this message]
2014-06-02 13:19 ` nouveau + rt = boom Sebastian Andrzej Siewior
2014-06-02 13:21 ` Mike Galbraith
2014-06-03 6:34 ` Mike Galbraith
2015-02-16 17:24 ` [patchlet] rt,locking: fix __ww_mutex_lock_interruptible() lockdep annotation Sebastian Andrzej Siewior
2015-02-16 18:09 ` Mike Galbraith
2015-02-16 18:16 ` Steven Rostedt
2015-02-16 18:35 ` Mike Galbraith
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1401715040.5757.7.camel@marge.simpson.net \
--to=umgwanakikbuti@gmail.com \
--cc=bigeasy@linutronix.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rt-users@vger.kernel.org \
--cc=rostedt@goodmis.org \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.