Attachment 120415 Details for Bug 93121 – Trace for rogue register access from hangcheck

Trace for rogue register access from hangcheck

vlv_allowwake_warn_on.txt (text/plain), 2.86 KB, created by Joonas Lahtinen on 2015-12-08 18:57:24 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Joonas Lahtinen

Created: 2015-12-08 18:57:24 UTC

Size: 2.86 KB

patch

obsolete

>[ 5770.911142] pm_rpm: executing
>[ 5770.959153] pm_rpm: starting subtest basic-rte
>[ 5772.615745] ------------[ cut here ]------------
>[ 5772.615903] WARNING: CPU: 0 PID: 7472 at /home/muser/Source/linux/drivers/gpu/drm/i915/intel_uncore.c:794 vlv_read32+0x217/0x230 [i915]()
>[ 5772.615920] WARN_ON(fw_engine == FORCEWAKE_MEDIA)
>[ 5772.615930] Modules linked in: snd_hda_intel i915(OE) drm_kms_helper drm snd_hda_codec snd_hda_core snd_hwdep bnep arc4 joydev input_leds hid_logitech_hidpp snd_intel_sst_acpi snd_intel_sst_core snd_soc_sst_mfld_platform iwlmvm intel_rapl hid_logitech_dj snd_soc_core intel_soc_dts_iosf intel_powerclamp coretemp mac80211 snd_compress kvm_intel ac97_bus snd_pcm_dmaengine snd_pcm kvm iwlwifi irqbypass punit_atom_debug nls_iso8859_1 crct10dif_pclmul btusb crc32_pclmul btrtl cfg80211 cryptd btbcm btintel snd_seq_midi snd_seq_midi_event bluetooth snd_rawmidi lpc_ich mei_txe serio_raw usbhid snd_seq mei hid shpchp snd_seq_device snd_timer snd iosf_mbi 8250_fintek soundcore mac_hid snd_soc_sst_acpi parport_pc ppdev lp parport autofs4 i2c_algo_bit syscopyarea sysfillrect sysimgblt fb_sys_fops psmouse ahci r8169 mii libahci video [last unloaded: drm]
>[ 5772.616294] CPU: 0 PID: 7472 Comm: kworker/u4:0 Tainted: G        W  OE   4.4.0-rc4+ #2
>[ 5772.616309] Hardware name: ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½/DN2820FYK, BIOS FYBYT10H.86A.0051.2015.0624.1406 06/24/2015
>[ 5772.616391] Workqueue: i915-hangcheck i915_hangcheck_elapsed [i915]
>[ 5772.616408]  0000000000000000 00000000f67d49c2 ffff88008325bc68 ffffffff813c4b24
>[ 5772.616435]  ffff88008325bcb0 ffff88008325bca0 ffffffff8107d6a2 ffff88001d0b0000
>[ 5772.616460]  0000000000012074 ffff88001d0b0080 ffff88001d0b0258 0000000000000001
>[ 5772.616484] Call Trace:
>[ 5772.616513]  [<ffffffff813c4b24>] dump_stack+0x44/0x60
>[ 5772.616535]  [<ffffffff8107d6a2>] warn_slowpath_common+0x82/0xc0
>[ 5772.616554]  [<ffffffff8107d73c>] warn_slowpath_fmt+0x5c/0x80
>[ 5772.616667]  [<ffffffffc0788d87>] vlv_read32+0x217/0x230 [i915]
>[ 5772.616776]  [<ffffffffc077fe0d>] intel_ring_get_active_head+0x5d/0xe0 [i915]
>[ 5772.616855]  [<ffffffffc07393fd>] i915_hangcheck_elapsed+0xbd/0x470 [i915]
>[ 5772.616879]  [<ffffffff810a70bd>] ? ttwu_do_activate.constprop.89+0x5d/0x70
>[ 5772.616901]  [<ffffffff8109632a>] process_one_work+0x1aa/0x440
>[ 5772.616919]  [<ffffffff8109660b>] worker_thread+0x4b/0x4c0
>[ 5772.616938]  [<ffffffff810965c0>] ? process_one_work+0x440/0x440
>[ 5772.616958]  [<ffffffff8109c768>] kthread+0xd8/0xf0
>[ 5772.616979]  [<ffffffff8109c690>] ? kthread_create_on_node+0x1a0/0x1a0
>[ 5772.617001]  [<ffffffff817f9a8f>] ret_from_fork+0x3f/0x70
>[ 5772.617021]  [<ffffffff8109c690>] ? kthread_create_on_node+0x1a0/0x1a0
>[ 5772.617035] ---[ end trace d14743cd7d6c1a48 ]---

Actions: View

Attachments on bug 93121: 120415 | 121442

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.