<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [HSW] trying to runtime suspend with power well enabled on 3.15" href="https://bugs.freedesktop.org/show_bug.cgi?id=80203#c15">Comment # 15</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [HSW] trying to runtime suspend with power well enabled on 3.15" href="https://bugs.freedesktop.org/show_bug.cgi?id=80203">bug 80203</a> from <a class="email" href="mailto:patrik.lundquist@gmail.com" title="Patrik Lundquist <patrik.lundquist@gmail.com>"> Patrik Lundquist</a> <pre>Created <a href="attachment.cgi?id=108204" name="attach_108204" title="Linux 3.18-rc1 dmesg with drm.debug=0xe i915.mmio_debug=1">attachment 108204</a> <a href="attachment.cgi?id=108204&action=edit" title="Linux 3.18-rc1 dmesg with drm.debug=0xe i915.mmio_debug=1">[details]</a> Linux 3.18-rc1 dmesg with drm.debug=0xe i915.mmio_debug=1 I never experienced the problems after backporting Ville's mutex patch to Linux 3.17 and 3.18-rc1 seems to also include the locking patch but I eventually got this dump, among others, anyway: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4819 at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_pm.c:6590 intel_display_power_put+0x132/0x160 [i915]() Modules linked in: ctr ccm arc4 iwlmvm mac80211 iwlwifi intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm joydev cfg80211 rtc_efi serio_raw snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic thinkpad_acpi nvram snd_hda_intel lpc_ich snd_hda_controller snd_hda_codec snd_hwdep snd_pcm mac_hid rtsx_pci_ms intel_smartconnect snd_seq_midi memstick snd_seq_midi_event btusb rfcomm shpchp bnep bluetooth snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore binfmt_misc parport_pc ppdev nls_iso8859_1 lp parport sch_fq dm_crypt rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper i915 cryptd psmouse e1000e ahci i2c_algo_bit libahci ptp drm_kms_helper rtsx_pci pps_core drm wmi video [last unloaded: ipmi_msghandler] CPU: 0 PID: 4819 Comm: kworker/0:3 Tainted: G W 3.18.0-031800rc1-generic #201410192135 Hardware name: LENOVO 20AM009DMS/20AM009DMS, BIOS GIET76WW (2.26 ) 08/27/2014 Workqueue: events edp_panel_vdd_work [i915] 00000000000019be ffff880231aa7d08 ffffffff827a1613 ffffffff82c54168 0000000000000000 ffff880231aa7d48 ffffffff82074cfc ffff88022dd70000 000000000000000b 0000000000000017 ffff88022dd70000 0000000000000000 Call Trace: [<ffffffff827a1613>] dump_stack+0x46/0x58 [<ffffffff82074cfc>] warn_slowpath_common+0x8c/0xc0 [<ffffffff82074d4a>] warn_slowpath_null+0x1a/0x20 [<ffffffffc016ad52>] intel_display_power_put+0x132/0x160 [i915] [<ffffffffc01dac86>] pps_unlock+0x46/0x50 [i915] [<ffffffffc01dd012>] edp_panel_vdd_work+0x42/0x50 [i915] [<ffffffff8208d6be>] process_one_work+0x14e/0x460 [<ffffffff8208e03b>] worker_thread+0x11b/0x3f0 [<ffffffff8208df20>] ? create_worker+0x1e0/0x1e0 [<ffffffff82093bb9>] kthread+0xc9/0xe0 [<ffffffff82093af0>] ? flush_kthread_worker+0x90/0x90 [<ffffffff827aeebc>] ret_from_fork+0x7c/0xb0 [<ffffffff82093af0>] ? flush_kthread_worker+0x90/0x90 ---[ end trace c7d449c4daccb3b6 ]--- ------------[ cut here ]------------</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>