All of lore.kernel.org
 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 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.