From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Matthew Auld <matthew.auld@intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [i915] WARN_ON_ONCE(!intel_dp->lane_count)
Date: Thu, 15 Dec 2016 07:07:44 +0100 [thread overview]
Message-ID: <1481782064.13518.6.camel@gmail.com> (raw)
There's a FIXME there, but seems you may still want to hear about it,
so here ya go.
[ 4.481803] [drm] Initialized
[ 4.600103] [drm] Memory usable by graphics device = 4096M
[ 4.600108] checking generic (c0000000 1d5000) vs hw (c0000000 10000000)
[ 4.600109] fb: switching to inteldrmfb from EFI VGA
[ 4.600200] Console: switching to colour dummy device 80x25
[ 4.601073] [drm] Replacing VGA console driver
[ 4.607781] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 4.607783] [drm] Driver supports precise vblank timestamp query.
[ 4.611373] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 4.613393] [drm] Finished loading i915/skl_dmc_ver1_26.bin (v1.26)
[ 4.645242] [drm] GuC firmware load skipped
[ 4.652382] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no)
[ 4.653127] random: crng init done
[ 4.653637] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input6
[ 4.654286] [drm] Initialized i915 1.6.0 20161121 for 0000:00:02.0 on minor 0
[ 4.666657] ------------[ cut here ]------------
[ 4.666698] WARNING: CPU: 1 PID: 487 at drivers/gpu/drm/i915/intel_dp.c:4018 intel_dp_check_link_status+0x1d3/0x1e0 [i915]
[ 4.666699] WARN_ON_ONCE(!intel_dp->lane_count)
[ 4.666700] Modules linked in:
[ 4.666701] rtsx_pci_sdmmc(E) mmc_core(E) ahci(E) libahci(E) rtsx_pci(E) mfd_core(E) libata(E) xhci_pci(E) i915(E) xhci_hcd(E) usbcore(E) i2c_algo_bit(E) drm_kms_helper(E) syscopyarea(E) sysfillrect(E) sysimgblt(E) fb_sys_fops(E) drm(E) video(E) button(E) fjes(E) af_packet(E) sd_mod(E) vfat(E) fat(E) virtio_blk(E) virtio_mmio(E) virtio_pci(E) virtio_ring(E) virtio(E) ext4(E) crc16(E) jbd2(E) mbcache(E) dm_mod(E) loop(E) sg(E) scsi_mod(E) autofs4(E)
[ 4.666727] CPU: 1 PID: 487 Comm: kworker/u8:3 Tainted: G E 4.10.0-preempt #1
[ 4.666728] Hardware name: HP HP Spectre x360 Convertible/804F, BIOS F.31 01/15/2016
[ 4.666731] Workqueue: events_unbound async_run_entry_fn
[ 4.666732] Call Trace:
[ 4.666736] dump_stack+0x85/0xc9
[ 4.666738] __warn+0xd1/0xf0
[ 4.666740] warn_slowpath_fmt+0x4f/0x60
[ 4.666746] ? drm_dp_dpcd_read+0x57/0x70 [drm_kms_helper]
[ 4.666774] intel_dp_check_link_status+0x1d3/0x1e0 [i915]
[ 4.666799] intel_dp_detect+0x5a8/0x950 [i915]
[ 4.666803] drm_helper_probe_single_connector_modes+0x296/0x4d0 [drm_kms_helper]
[ 4.666807] drm_setup_crtcs+0x8a/0xc70 [drm_kms_helper]
[ 4.666815] ? mutex_lock_nested+0xad/0x6a0
[ 4.666819] ? drm_fb_helper_initial_config+0x47/0x3f0 [drm_kms_helper]
[ 4.666823] drm_fb_helper_initial_config+0x5b/0x3f0 [drm_kms_helper]
[ 4.666847] intel_fbdev_initial_config+0x18/0x30 [i915]
[ 4.666849] async_run_entry_fn+0x39/0x170
[ 4.666850] process_one_work+0x1e1/0x6b0
[ 4.666851] ? process_one_work+0x162/0x6b0
[ 4.666853] worker_thread+0x137/0x4b0
[ 4.666855] kthread+0x10c/0x140
[ 4.666856] ? process_one_work+0x6b0/0x6b0
[ 4.666857] ? kthread_parkme+0x40/0x40
[ 4.666859] ret_from_fork+0x2a/0x40
[ 4.666861] ---[ end trace b9510d991aa51e41 ]---
[ 4.686370] fbcon: inteldrmfb (fb0) is primary device
reply other threads:[~2016-12-15 6:07 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=1481782064.13518.6.camel@gmail.com \
--to=umgwanakikbuti@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=matthew.auld@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.