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[CI][BAT] igt@runner@aborted - fail - TAINT_WARN: WARN_ON has happened, trying to change cdclk frequency with cdclk not enabled

    • Closed Issue created by Bugzilla Migration User @bugzilla-migration

    Submitted by LAKSHMINARAYANA VUDUM @l4kshmi

    Assigned to Intel GFX Bugs mailing list

    Link to original bug (#111917)

    Description

    https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3547/fi-bdw-gvtdvm/igt@runner@aborted.html
    Out
    Aborting.
    Previous test: nothing
    Next test: core_auth (basic-auth)

    Kernel badly tainted (0x200) (check dmesg for details):
    (0x200) TAINT_WARN: WARN_ON has happened.

    Boot log

    10.323801] trying to change cdclk frequency with cdclk not enabled
    <4>[ 10.323884] WARNING: CPU: 0 PID: 146 at drivers/gpu/drm/i915/display/intel_cdclk.c:727 bdw_set_cdclk+0x37d/0x3b0 [i915]
    <4>[ 10.323886] Modules linked in: i915 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel prime_numbers e1000(+) i2c_piix4
    <4>[ 10.323895] CPU: 0 PID: 146 Comm: kworker/u2:2 Not tainted 5.4.0-rc2-CI-CI_DRM_7021+ #1 (moved)
    <4>[ 10.323897] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.10.1-0-g8891697-prebuilt.qemu-project.org 04/01/2014
    <4>[ 10.323901] Workqueue: events_unbound async_run_entry_fn
    <4>[ 10.323966] RIP: 0010:bdw_set_cdclk+0x37d/0x3b0 [i915]
    <4>[ 10.323968] Code: e8 58 d9 f7 e0 0f 0b 8b 04 24 0d 00 00 00 08 e9 01 fe ff ff 0d 00 00 00 04 e9 f7 fd ff ff 48 c7 c7 d8 07 23 a0 e8 33 d9 f7 e0 <0f> 0b 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 83 c4 10 48
    <4>[ 10.323970] RSP: 0018:ffffc900006db938 EFLAGS: 00010282
    <4>[ 10.323972] RAX: 0000000000000000 RBX: ffff88806f300000 RCX: 0000000000000001
    <4>[ 10.323974] RDX: 0000000080000001 RSI: ffff88807b9e3190 RDI: 00000000ffffffff
    <4>[ 10.323976] RBP: ffff88806f300d80 R08: ffff88807b9e3190 R09: 0000000000000000
    <4>[ 10.323977] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff
    <4>[ 10.323979] R13: ffff88806bef22a8 R14: ffffffffffffffc8 R15: ffff888070612e98
    <4>[ 10.323981] FS: 0000000000000000(0000) GS:ffff88807da00000(0000) knlGS:0000000000000000
    <4>[ 10.323985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    <4>[ 10.323986] CR2: 000055668261fd80 CR3: 0000000078900005 CR4: 00000000003606f0
    <4>[ 10.323988] Call Trace:
    <4>[ 10.324059] intel_set_cdclk+0x49/0x110 [i915]
    <4>[ 10.324126] intel_atomic_commit_tail+0xcda/0x1540 [i915]
    <4>[ 10.324132] ? flush_workqueue+0x236/0x530
    <4>[ 10.324134] ? queue_work_on+0x33/0x70
    <4>[ 10.324213] intel_atomic_commit+0x273/0x2f0 [i915]
    <4>[ 10.324221] drm_client_modeset_commit_atomic+0x18b/0x210
    <4>[ 10.324238] drm_client_modeset_commit_force+0x52/0x1a0
    <4>[ 10.324244] drm_fb_helper_restore_fbdev_mode_unlocked+0x42/0x90
    <4>[ 10.324248] drm_fb_helper_set_par+0x24/0x50
    <4>[ 10.324312] intel_fbdev_set_par+0x11/0x30 [i915]
    <4>[ 10.324316] ? con_is_visible+0x25/0x50
    <4>[ 10.324320] fbcon_init+0x37e/0x610
    <4>[ 10.324328] visual_init+0xc9/0x130
    <4>[ 10.324333] do_bind_con_driver+0x200/0x410
    <4>[ 10.324344] do_take_over_console+0x71/0x190
    <4>[ 10.324351] do_fbcon_takeover+0x53/0xb0
    <4>[ 10.324353] register_framebuffer+0x229/0x330
    <4>[ 10.324363] __drm_fb_helper_initial_config_and_unlock+0x324/0x5a0
    <4>[ 10.324435] intel_fbdev_initial_config+0xf/0x20 [i915]
    <4>[ 10.324450] async_run_entry_fn+0x34/0x160
    <4>[ 10.324455] process_one_work+0x26a/0x620
    <4>[ 10.324465] worker_thread+0x37/0x380
    <4>[ 10.324471] ? process_one_work+0x620/0x620
    <4>[ 10.324474] kthread+0x119/0x130
    <4>[ 10.324478] ? kthread_park+0x80/0x80
    <4>[ 10.324485] ret_from_fork+0x3a/0x50
    <4>[ 10.324508] irq event stamp: 26736
    <4>[ 10.324511] hardirqs last enabled at (26735): [<ffffffff8112aa45>] vprintk_emit+0x315/0x340
    <4>[ 10.324514] hardirqs last disabled at (26736): [<ffffffff81001bba>] trace_hardirqs_off_thunk+0x1a/0x20
    <4>[ 10.324516] softirqs last enabled at (26636): [<ffffffff81c00385>] __do_softirq+0x385/0x47f
    <4>[ 10.324519] softirqs last disabled at (26629): [<ffffffff810b7eaa>] irq_exit+0xba/0xc0
    <4>[ 10.324520] ---[ end trace 406edd76fad566e3 ]---

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