Created attachment 102483 [details] dmesg [ 449.303068] ------------[ cut here ]------------ [ 449.303082] WARNING: CPU: 2 PID: 1380 at drivers/gpu/drm/i915/i915_drv.c:1189 vlv_force_gfx_clock+0x244/0x250() [ 449.303085] Modules linked in: ctr(E) ccm(E) arc4(E) iTCO_wdt(E) asus_nb_wmi(E) hid_multitouch(E) iTCO_vendor_support(E) asus_wmi(E) sparse_keymap(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crc32_pclmul(E) ghash_clmulni_intel(E) aesni_intel(E) aes_x86_64(E) lrw(E) gf128mul(E) glue_helper(E) ablk_helper(E) cryptd(E) rt2800usb(E) rt2x00usb(E) rt2800lib(E) rt2x00lib(E) microcode(E) mac80211(E) crc_ccitt(E) joydev(E) brcmfmac(E) brcmutil(E) cfg80211(E) pcspkr(E) wmi(E) ak8975(E) mac_hid(E) industrialio(E) dw_dmac(E) dw_dmac_core(E) acpi_pad(E) iosf_mbi(E) lpc_ich(E) spi_pxa2xx_platform(E) i2c_designware_platform(E) 8250_dw(E) i2c_designware_core(E) autofs4(E) ext2(E) usbkbd(E) hid_generic(E) usb_storage(E) usbhid(E) mmc_block(E) i2c_hid(E) hid(E) sdhci_acpi(E) sdhci(E) [ 449.303156] CPU: 2 PID: 1380 Comm: kworker/u8:1 Tainted: G W E 3.16.0-rc4+ #297 [ 449.303159] Hardware name: ASUSTeK COMPUTER INC. T100TA/T100TA, BIOS T100TA.304 03/14/2014 [ 449.303166] Workqueue: i915 i915_gem_idle_work_handler [ 449.303169] 0000000000000009 ffff88007201fd20 ffffffff817e8f2b 0000000000000000 [ 449.303174] ffff88007201fd58 ffffffff81067ffd ffff880036c20000 0000000000000000 [ 449.303179] 0000000100009172 ffff880036c20000 0000000000000100 ffff88007201fd68 [ 449.303184] Call Trace: [ 449.303194] [<ffffffff817e8f2b>] dump_stack+0x45/0x56 [ 449.303201] [<ffffffff81067ffd>] warn_slowpath_common+0x7d/0xa0 [ 449.303206] [<ffffffff810680da>] warn_slowpath_null+0x1a/0x20 [ 449.303211] [<ffffffff814be774>] vlv_force_gfx_clock+0x244/0x250 [ 449.303217] [<ffffffff814c9120>] gen6_rps_idle+0x170/0x1f0 [ 449.303223] [<ffffffff81516b65>] intel_mark_idle+0x1a5/0x200 [ 449.303229] [<ffffffff810978c8>] ? finish_task_switch+0x128/0x180 [ 449.303234] [<ffffffff814df625>] i915_gem_idle_work_handler+0x15/0x20 [ 449.303240] [<ffffffff81083a62>] process_one_work+0x182/0x450 [ 449.303245] [<ffffffff810841d3>] worker_thread+0x123/0x5a0 [ 449.303251] [<ffffffff810840b0>] ? rescuer_thread+0x380/0x380 [ 449.303256] [<ffffffff8108add9>] kthread+0xc9/0xe0 [ 449.303261] [<ffffffff8108ad10>] ? kthread_create_on_node+0x180/0x180 [ 449.303267] [<ffffffff817f267c>] ret_from_fork+0x7c/0xb0 [ 449.303272] [<ffffffff8108ad10>] ? kthread_create_on_node+0x180/0x180 [ 449.303275] ---[ end trace f24328456c1916e6 ]--- repeats.
Just curious, is it the same issue which QA encounter in following bug? https://bugs.freedesktop.org/show_bug.cgi?id=75244#c18
(In reply to comment #1) > Just curious, is it the same issue which QA encounter in following bug? > https://bugs.freedesktop.org/show_bug.cgi?id=75244#c18 Looks to be the same warning indeed. Always helps to keep the bug summary up-to-date.
Feel free to reopen if you are still able to reproduce it on latest drm-intel-nightly. *** This bug has been marked as a duplicate of bug 75244 ***
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