intel-gfx.lists.freedesktop.org archive mirror
 help / color / mirror / Atom feed
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Avoid divbyzero in modesetting
Date: Tue, 23 Feb 2016 09:49:59 +0000	[thread overview]
Message-ID: <56CC2B47.80202@linux.intel.com> (raw)
In-Reply-To: <56CC1A6F.4010608@linux.intel.com>


On 23/02/16 08:38, Maarten Lankhorst wrote:
> Op 22-02-16 om 15:27 schreef Tvrtko Ursulin:
>> [   10.062881]  [<ffffffffa016add2>] skl_update_pipe_wm+0x102/0x8c0 [i915]
>> [   10.062942]  [<ffffffffa016b96f>] skl_update_wm+0xff/0x5f0 [i915]
>> [   10.063027]  [<ffffffffa016ce6e>] intel_update_watermarks+0x1e/0x30 [i915]
>> [   10.063087]  [<ffffffffa01d3ee2>] intel_crtc_disable_noatomic+0xd2/0x150 [i915]
>> [   10.063148]  [<ffffffffa01dd3d2>] intel_modeset_setup_hw_state+0xdd2/0xde0 [i915]
>> [   10.063181]  [<ffffffffa01dfd83>] intel_modeset_init+0x15a3/0x1950 [i915]
>> [   10.063181]  [<ffffffffa02160b6>] i915_driver_load+0x13c6/0x1720 [i915]
> Do you have a full oops I can use for a commit description?

Sure:

 ------------[ cut here ]------------
 WARNING: CPU: 1 PID: 295 at drivers/gpu/drm/i915/intel_pm.c:2834 skl_update_pipe_wm+0x102/0x8c0 [i915]()
 WARN_ON(!config->num_pipes_active)
 Modules linked in: coretemp i915(+) xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 CPU: 1 PID: 295 Comm: systemd-udevd Tainted: G     U  W       4.5.0-rc4-xxxxxx #25
 Hardware name: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
  0000000000000000 ffff88003777f5a8 ffffffff813485c2 ffff88003777f5f0
  ffffffffa0236240 ffff88003777f5e0 ffffffff81050fce ffff8800aa420000
  ffff8800aba18000 ffff8800aba18000 ffff880037304c00 ffff8800aa420000
 Call Trace:
  [<ffffffff813485c2>] dump_stack+0x67/0x95
  [<ffffffff81050fce>] warn_slowpath_common+0x9e/0xc0
  [<ffffffff8105103c>] warn_slowpath_fmt+0x4c/0x50
  [<ffffffff8106945e>] ? flush_work+0x8e/0x280
  [<ffffffff810693d5>] ? flush_work+0x5/0x280
  [<ffffffffa016add2>] skl_update_pipe_wm+0x102/0x8c0 [i915]
  [<ffffffffa016b96f>] skl_update_wm+0xff/0x5f0 [i915]
  [<ffffffff810928ee>] ? trace_hardirqs_on_caller+0x15e/0x1d0
  [<ffffffff8109296d>] ? trace_hardirqs_on+0xd/0x10
  [<ffffffffa016ce6e>] intel_update_watermarks+0x1e/0x30 [i915]
  [<ffffffffa01d3ee2>] intel_crtc_disable_noatomic+0xd2/0x150 [i915]
  [<ffffffffa01dd3d2>] intel_modeset_setup_hw_state+0xdd2/0xde0 [i915]
  [<ffffffffa01dfd83>] intel_modeset_init+0x15a3/0x1950 [i915]
  [<ffffffffa02160b6>] i915_driver_load+0x13c6/0x1720 [i915]
  [<ffffffff81522160>] ? add_sysfs_fw_map_entry+0x9b/0x9b
  [<ffffffffa00b15ef>] drm_dev_register+0x6f/0xb0 [drm]
  [<ffffffffa00b3b3a>] drm_get_pci_dev+0x10a/0x1d0 [drm]
  [<ffffffffa01582d9>] i915_pci_probe+0x49/0x50 [i915]
  [<ffffffff8138ae30>] pci_device_probe+0x80/0xf0
  [<ffffffff8143e2ac>] driver_probe_device+0x1bc/0x3d0
  [<ffffffff8143e526>] __driver_attach+0x66/0x90
  [<ffffffff8143e4c0>] ? driver_probe_device+0x3d0/0x3d0
  [<ffffffff8143be3b>] bus_for_each_dev+0x5b/0xa0
  [<ffffffff8143db3e>] driver_attach+0x1e/0x20
  [<ffffffff8143d461>] bus_add_driver+0x151/0x270
  [<ffffffff8143eabc>] driver_register+0x8c/0xd0
  [<ffffffff8138a2ed>] __pci_register_driver+0x5d/0x60
  [<ffffffffa00b3c58>] drm_pci_init+0x58/0xf0 [drm]
  [<ffffffff8109296d>] ? trace_hardirqs_on+0xd/0x10
  [<ffffffffa02aa000>] ? 0xffffffffa02aa000
  [<ffffffffa02aa094>] i915_init+0x94/0x9b [i915]
  [<ffffffff81000423>] do_one_initcall+0x113/0x1f0
  [<ffffffff810a4b21>] ? rcu_read_lock_sched_held+0x61/0x90
  [<ffffffff811601dc>] ? kmem_cache_alloc_trace+0x1cc/0x280
  [<ffffffff8111110a>] do_init_module+0x60/0x1c8
  [<ffffffff810c731b>] load_module+0x1ceb/0x2410
  [<ffffffff810c3a60>] ? store_uevent+0x40/0x40
  [<ffffffff811763d1>] ? kernel_read+0x41/0x60
  [<ffffffff810c7c1d>] SYSC_finit_module+0x8d/0xa0
  [<ffffffff810c7c4e>] SyS_finit_module+0xe/0x10
  [<ffffffff815f1e97>] entry_SYSCALL_64_fastpath+0x12/0x6f
 ---[ end trace 1149e9ab3695a423 ]---
 ------------[ cut here ]------------

Regards,

Tvrtko


 
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

      reply	other threads:[~2016-02-23  9:50 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-22 11:52 [PATCH] drm/i915: Avoid divbyzero in modesetting Tvrtko Ursulin
2016-02-22 12:17 ` ✗ Fi.CI.BAT: failure for " Patchwork
2016-02-22 13:09 ` [PATCH] " Maarten Lankhorst
2016-02-22 14:27   ` Tvrtko Ursulin
2016-02-22 14:56     ` Maarten Lankhorst
2016-02-22 15:22       ` Tvrtko Ursulin
2016-02-23  8:38     ` Maarten Lankhorst
2016-02-23  9:49       ` Tvrtko Ursulin [this message]

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=56CC2B47.80202@linux.intel.com \
    --to=tvrtko.ursulin@linux.intel.com \
    --cc=Intel-gfx@lists.freedesktop.org \
    --cc=maarten.lankhorst@linux.intel.com \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).