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43c8c44105
linux_dsm_epyc7002/drivers/gpu/drm
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Chris Wilson 43c8c44105 drm/i915: Remove assertion of active_rings must be non-empty if active_requests 
"An outstanding request must still be on an active ring somewhere" is
only true if we haven't just been interrupted by the shrinker in the
middle of allocating the request itself. (At the start of
i915_request_alloc() we pin the context and prepare the GT for activity,
marking it as active, and then try to allocate the request. If this
allocation invokes the shrinker, we try to reclaim some space by calling
i915_retire_requests() which may then be confused by the pre-reservation
of active_requests.)

<3>[  125.472695] i915_retire_requests:1429 GEM_BUG_ON(list_empty(&i915->gt.active_rings))
<2>[  125.472792] kernel BUG at drivers/gpu/drm/i915/i915_request.c:1429!
<4>[  125.472822] invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
<4>[  125.498764] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel btusb btrtl btbcm btintel cdc_ether snd_hda_codec_realtek bluetooth i915 snd_hda_codec_generic usbnet r8152 mii ecdh_generic lpc_ich mei_me snd_hda_intel snd_hda_codec mei snd_hwdep snd_hda_core snd_pcm prime_numbers
<4>[  125.498923] CPU: 0 PID: 1115 Comm: gem_exec_create Tainted: G     U            4.17.0-rc3-gc49cbe0d1eb8-kasan_32+ #1
<4>[  125.498955] Hardware name: GOOGLE Peppy/Peppy, BIOS MrChromebox 02/04/2018
<4>[  125.499074] RIP: 0010:i915_retire_requests+0x3f2/0x590 [i915]
<4>[  125.499095] RSP: 0018:ffff88004e5dec40 EFLAGS: 00010282
<4>[  125.499117] RAX: 0000000000000010 RBX: ffff8800458f0000 RCX: 0000000000000000
<4>[  125.499140] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff880060c2f6f0
<4>[  125.499164] RBP: ffff88004e5dee30 R08: ffffed000c185ee6 R09: ffffed000c185ee6
<4>[  125.499187] R10: 0000000000000001 R11: ffffed000c185ee5 R12: ffff8800553da160
<4>[  125.499210] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8800458faed0
<4>[  125.499235] FS:  00007fe18f052980(0000) GS:ffff880065400000(0000) knlGS:0000000000000000
<4>[  125.499262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  125.499282] CR2: 00007f01df11efb8 CR3: 00000000518d4001 CR4: 00000000000606f0
<4>[  125.499304] Call Trace:
<4>[  125.499417]  i915_gem_shrink+0x576/0xb50 [i915]
<4>[  125.499532]  ? i915_gem_shrinker_count+0x2f0/0x2f0 [i915]
<4>[  125.499561]  ? trace_hardirqs_on_thunk+0x1a/0x1c
<4>[  125.499671]  ? i915_gem_shrinker_count+0x1d6/0x2f0 [i915]
<4>[  125.499782]  ? i915_gem_shrinker_scan+0xc4/0x320 [i915]
<4>[  125.499889]  i915_gem_shrinker_scan+0xc4/0x320 [i915]
<4>[  125.499997]  ? i915_gem_shrinker_vmap+0x3a0/0x3a0 [i915]
<4>[  125.500021]  ? do_raw_spin_unlock+0x4f/0x240
<4>[  125.500042]  ? _raw_spin_unlock+0x29/0x40
<4>[  125.500149]  ? i915_gem_shrinker_count+0x1d6/0x2f0 [i915]
<4>[  125.500177]  shrink_slab.part.18+0x23e/0x8f0
<4>[  125.500202]  ? unregister_shrinker+0x1f0/0x1f0
<4>[  125.500226]  ? mem_cgroup_iter+0x379/0xcc0
<4>[  125.500249]  shrink_node+0xa7e/0x1180
<4>[  125.500276]  ? shrink_node_memcg+0x11f0/0x11f0
<4>[  125.500297]  ? __delayacct_freepages_start+0x38/0x80
<4>[  125.500319]  ? __is_insn_slot_addr+0xe3/0x1a0
<4>[  125.500342]  ? recalibrate_cpu_khz+0x10/0x10
<4>[  125.500361]  ? ktime_get+0xb2/0x140
<4>[  125.500382]  do_try_to_free_pages+0x2d3/0xe40
<4>[  125.500407]  ? allow_direct_reclaim.part.23+0x1e0/0x1e0
<4>[  125.500429]  ? shrink_node+0x1180/0x1180
<4>[  125.500450]  ? __read_once_size_nocheck.constprop.4+0x10/0x10
<4>[  125.500476]  try_to_free_pages+0x1af/0x560
<4>[  125.500497]  ? do_try_to_free_pages+0xe40/0xe40
<4>[  125.500525]  __alloc_pages_nodemask+0xadc/0x2130
<4>[  125.500553]  ? gfp_pfmemalloc_allowed+0x150/0x150
<4>[  125.500654]  ? i915_gem_do_execbuffer+0x219d/0x32e0 [i915]
<4>[  125.500678]  ? debug_check_no_locks_freed+0x2a0/0x2a0
<4>[  125.500701]  ? __debug_object_init+0x322/0xd90
<4>[  125.500722]  ? debug_check_no_locks_freed+0x2a0/0x2a0
<4>[  125.500827]  ? i915_gem_do_execbuffer+0xdc2/0x32e0 [i915]
<4>[  125.500942]  ? i915_request_alloc+0x5b5/0x13f0 [i915]
<4>[  125.500964]  ? page_frag_free+0x170/0x170
<4>[  125.500984]  ? debug_check_no_locks_freed+0x2a0/0x2a0
<4>[  125.501008]  new_slab+0x21d/0x5c0
<4>[  125.501029]  ___slab_alloc.constprop.35+0x322/0x3e0
<4>[  125.501052]  ? reservation_object_reserve_shared+0x10b/0x250
<4>[  125.501074]  ? __ww_mutex_lock.constprop.3+0x1104/0x2cf0
<4>[  125.501097]  ? _raw_spin_unlock_irqrestore+0x39/0x60
<4>[  125.501120]  ? fs_reclaim_acquire+0x10/0x10
<4>[  125.501138]  ? lock_acquire+0x138/0x3c0
<4>[  125.501156]  ? lock_acquire+0x3c0/0x3c0
<4>[  125.501176]  ? reservation_object_reserve_shared+0x10b/0x250
<4>[  125.501198]  ? __slab_alloc.isra.27.constprop.34+0x3d/0x70
<4>[  125.501219]  __slab_alloc.isra.27.constprop.34+0x3d/0x70
<4>[  125.501243]  ? reservation_object_reserve_shared+0x10b/0x250
<4>[  125.501265]  __kmalloc_track_caller+0x313/0x350
<4>[  125.501287]  krealloc+0x62/0xb0
<4>[  125.501305]  reservation_object_reserve_shared+0x10b/0x250
<4>[  125.501411]  i915_gem_do_execbuffer+0x2040/0x32e0 [i915]
<4>[  125.501522]  ? eb_relocate_slow+0xad0/0xad0 [i915]
<4>[  125.501544]  ? debug_check_no_locks_freed+0x2a0/0x2a0
<4>[  125.501646]  ? i915_gem_execbuffer2_ioctl+0x108/0x770 [i915]
<4>[  125.501755]  ? i915_gem_execbuffer2_ioctl+0x108/0x770 [i915]
<4>[  125.501779]  ? drm_dev_get+0x20/0x20
<4>[  125.501803]  ? __might_fault+0xea/0x1a0
<4>[  125.501902]  ? i915_gem_execbuffer2_ioctl+0x108/0x770 [i915]
<4>[  125.502012]  ? i915_gem_execbuffer_ioctl+0xb90/0xb90 [i915]
<4>[  125.502116]  ? i915_gem_execbuffer_ioctl+0xb90/0xb90 [i915]
<4>[  125.502218]  i915_gem_execbuffer2_ioctl+0x3c5/0x770 [i915]
<4>[  125.502243]  ? drm_dev_enter+0xe0/0xe0
<4>[  125.502260]  ? lock_acquire+0x138/0x3c0
<4>[  125.502362]  ? i915_gem_execbuffer_ioctl+0xb90/0xb90 [i915]
<4>[  125.502470]  ? i915_gem_object_create.part.28+0x570/0x570 [i915]
<4>[  125.502575]  ? i915_gem_execbuffer_ioctl+0xb90/0xb90 [i915]
<4>[  125.502680]  ? i915_gem_execbuffer_ioctl+0xb90/0xb90 [i915]
<4>[  125.502702]  drm_ioctl_kernel+0x151/0x200
<4>[  125.502721]  ? drm_ioctl_permit+0x2a0/0x2a0
<4>[  125.502746]  drm_ioctl+0x63a/0x920
<4>[  125.502844]  ? i915_gem_execbuffer_ioctl+0xb90/0xb90 [i915]
<4>[  125.502868]  ? drm_getstats+0x20/0x20
<4>[  125.502886]  ? trace_hardirqs_on_thunk+0x1a/0x1c
<4>[  125.502919]  do_vfs_ioctl+0x173/0xe90
<4>[  125.502936]  ? trace_hardirqs_on_thunk+0x1a/0x1c
<4>[  125.502957]  ? ioctl_preallocate+0x170/0x170
<4>[  125.502978]  ? trace_hardirqs_on_thunk+0x1a/0x1c
<4>[  125.503002]  ? retint_kernel+0x2d/0x2d
<4>[  125.503024]  ksys_ioctl+0x35/0x60
<4>[  125.503043]  __x64_sys_ioctl+0x6a/0xb0
<4>[  125.503061]  do_syscall_64+0x97/0x400
<4>[  125.503081]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4>[  125.503101] RIP: 0033:0x7fe18e4f65d7
<4>[  125.503116] RSP: 002b:00007ffe2ffc06a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  125.503145] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe18e4f65d7
<4>[  125.503168] RDX: 00007ffe2ffc07f0 RSI: 0000000040406469 RDI: 0000000000000003
<4>[  125.503191] RBP: 00007ffe2ffc07f0 R08: 0000000000000004 R09: 00007ffe2ffcf080
<4>[  125.503215] R10: 000000000002c7de R11: 0000000000000246 R12: 0000000040406469
<4>[  125.503238] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
<4>[  125.503268] Code: e8 18 a0 c9 da 48 8b 35 25 3a 47 00 49 c7 c0 a0 3b 88 c0 b9 95 05 00 00 48 c7 c2 e0 49 88 c0 48 c7 c7 8d 3b 5d c0 e8 ee 7e db da <0f> 0b 48 89 ef e8 a4 26 f5 da e9 51 fe ff ff e8 8a 26 f5 da e9
<1>[  125.503548] RIP: i915_retire_requests+0x3f2/0x590 [i915] RSP: ffff88004e5dec40

Fixes: 643b450a59 ("drm/i915: Only track live rings for retiring")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180504101147.26286-1-chris@chris-wilson.co.uk
2018-05-04 12:41:23 +01:00
..
amd Merge branch 'drm-fixes-4.17' of git://people.freedesktop.org/~agd5f/linux into drm-fixes 2018-04-26 11:08:26 +10:00
arc drm/arcpgu: remove drm_encoder_slave 2018-01-30 18:05:25 +01:00
arm drm: mali-dp: Add YUV->RGB conversion support for video layers 2018-03-14 11:41:01 +00:00
armada drm: Don't pass clip to drm_atomic_helper_check_plane_state() 2018-03-05 20:48:25 +02:00
ast drm/ast: fix mode_valid's return type 2018-04-25 09:09:22 +02:00
atmel-hlcdc drm/atmel-hclcdc: Convert to the new generic alpha property 2018-04-16 21:20:40 +02:00
bochs drm/bochs: fix mode_valid's return type 2018-04-25 09:34:00 +02:00
bridge drm-misc-next for v4.18: 2018-04-30 09:32:43 +10:00
cirrus Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
etnaviv drm/etnaviv: bump HW job limit to 4 2018-03-22 11:08:48 +01:00
exynos drm-misc-next for v4.18: 2018-04-30 09:32:43 +10:00
fsl-dcu
gma500 drm/gma500: fix psb_intel_lvds_mode_valid()'s return type 2018-04-25 09:38:37 +02:00
hisilicon drm/hisilicon: fix mode_valid's return type 2018-04-25 09:09:22 +02:00
i2c drm/i2c: tda998x: fix mode_valid's return type 2018-04-25 09:38:57 +02:00
i810
i915 drm/i915: Remove assertion of active_rings must be non-empty if active_requests 2018-05-04 12:41:23 +01:00
imx Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
lib
mediatek drm: Don't pass clip to drm_atomic_helper_check_plane_state() 2018-03-05 20:48:25 +02:00
meson Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
mga
mgag200 drm/mgag200: fix mode_valid's return type 2018-04-25 09:09:22 +02:00
msm Merge tag 'drm-msm-fixes-2018-04-25' of git://people.freedesktop.org/~robclark/linux into drm-fixes 2018-04-26 11:09:04 +10:00
mxsfb drm/mxsfb: Use simple_display_pipe prepare_fb helper 2018-04-24 13:58:43 +02:00
nouveau Merge airlied/drm-next into drm-misc-next 2018-03-30 12:35:45 -04:00
omapdrm drm-misc-next for v4.18: 2018-04-30 09:32:43 +10:00
panel drm/panel: rm68200: Add backlight dependency 2018-03-14 11:51:24 +01:00
pl111 drm/pl111: Use simple_display_pipe prepare_fb helper 2018-04-24 13:58:24 +02:00
qxl drm-misc-next for v4.18: 2018-04-30 09:32:43 +10:00
r128
radeon drm/radeon: add PX quirk for Asus K73TK 2018-04-11 13:11:50 -05:00
rcar-du drm/rcar-du: Convert to the new generic alpha property 2018-04-16 21:20:59 +02:00
rockchip drm/rockchip: psr: Remove flush by CRTC 2018-04-24 08:34:54 +02:00
savage
scheduler treewide/trivial: Remove ';;$' typo noise 2018-02-22 10:59:33 +01:00
selftests
shmobile
sis
sti drm/sti: Depend on OF rather than selecting it 2018-04-05 14:04:17 +02:00
stm drm/stm: ltdc: fix warning in ltdc_crtc_update_clut() 2018-04-19 12:24:45 +02:00
sun4i drm-misc-next for v4.18: 2018-04-30 09:32:43 +10:00
tdfx
tegra drm-misc-next for v4.18: 2018-04-30 09:32:43 +10:00
tilcdc drm/tilcdc: tilcdc_panel: Rename device from "panel" to "tilcdc-panel" 2018-02-28 11:48:25 +02:00
tinydrm drm: Move simple_display_pipe prepare_fb helper into gem fb helpers 2018-04-24 13:57:22 +02:00
ttm drm/ttm: Export the ttm_k[un]map_atomic_prot API. 2018-03-22 11:10:06 +01:00
tve200 drm/tve200: Use simple_display_pipe prepare_fb helper 2018-04-24 13:58:06 +02:00
udl drm/udl: fix mode_valid's return type 2018-04-25 09:09:22 +02:00
vc4 drm-misc-next for v4.18: 2018-04-30 09:32:43 +10:00
vgem
via
virtio drm-misc-next for v4.18: 2018-04-30 09:32:43 +10:00
vmwgfx drm/vmwgfx: Remove no-op prepare/cleanup_fb callbacks 2018-04-24 13:57:11 +02:00
xen drm/xen-front: use simple display pipe prepare_fb helper 2018-04-24 14:02:53 +02:00
zte drm/zte: Stop consulting plane->crtc 2018-03-29 19:14:21 +03:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c drm/atomic: Add sanity checks to drm_atomic_helper_async_commit() 2018-04-18 09:06:16 +02:00
drm_atomic.c Merge drm/drm-next into drm-intel-next-queued 2018-05-02 12:20:32 +03:00
drm_auth.c drm: Check for lessee in DROP_MASTER ioctl 2018-01-31 09:27:51 +01:00
drm_blend.c drm/blend: Add a generic alpha property 2018-04-16 21:17:29 +02:00
drm_bridge.c
drm_bufs.c drm: dma_bufs: Fixed checkpatch issues 2018-03-19 09:31:20 -04:00
drm_cache.c
drm_color_mgmt.c kernel.h: Retain constant expression output for max()/min() 2018-04-05 14:17:16 -07:00
drm_connector.c drm/docs: Document "scaling mode" property better 2018-02-20 12:10:46 +01:00
drm_context.c
drm_crtc_helper_internal.h
drm_crtc_helper.c
drm_crtc_internal.h drm: Don't EXPORT drm_add/reset_display_info 2018-04-24 21:34:53 +02:00
drm_crtc.c drm: Use plane->state->fb over plane->fb 2018-03-29 19:14:21 +03:00
drm_debugfs_crc.c drm/crc: Add support for polling on the data fd. 2018-02-05 13:22:44 +01:00
drm_debugfs.c
drm_dma.c
drm_dp_aux_dev.c sched/wait, drivers/drm: Convert wait_on_atomic_t() usage to the new wait_var_event() API 2018-03-20 08:23:18 +01:00
drm_dp_dual_mode_helper.c drm/i915: Fix LSPCON TMDS output buffer enabling from low-power state 2018-04-18 16:33:14 +03:00
drm_dp_helper.c drm/dp: Add HBR3 support in existing DRM DP helpers 2018-01-26 13:36:53 +02:00
drm_dp_mst_topology.c drm/dp/mst: Fix off-by-one typo when dump payload table 2018-03-28 09:12:16 +03:00
drm_drv.c drm: Use srcu to protect drm_device.unplugged 2018-03-29 13:19:20 +03:00
drm_dumb_buffers.c
drm_edid_load.c
drm_edid.c drm-misc-next for v4.18: 2018-04-30 09:32:43 +10:00
drm_encoder_slave.c
drm_encoder.c drm: Warn if plane/crtc/encoder/connector index exceeds our 32bit bitmasks 2018-01-29 18:46:53 +02:00
drm_fb_cma_helper.c
drm_fb_helper.c drm: Remove now pointelss blob->data casts 2018-03-16 15:44:01 +02:00
drm_file.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
drm_flip_work.c
drm_fourcc.c drm/fourcc: Add a alpha field to drm_format_info 2018-01-29 12:07:47 +01:00
drm_framebuffer.c drm: Reshuffle getfb error returns 2018-03-30 17:54:27 +01:00
drm_gem_cma_helper.c
drm_gem_framebuffer_helper.c drm: Move simple_display_pipe prepare_fb helper into gem fb helpers 2018-04-24 13:57:22 +02:00
drm_gem.c drm/gem: Document that handle_create must be the last step 2018-03-26 17:42:06 +02:00
drm_global.c
drm_hashtab.c
drm_info.c
drm_internal.h
drm_ioc32.c
drm_ioctl.c drm: Print the pid when debug logging an ioctl error. 2018-02-10 22:23:10 +00:00
drm_irq.c
drm_kms_helper_common.c
drm_lease.c gpu: drm/lease:: Use list_{next/prev}_entry instead of list_entry 2018-03-26 10:38:06 +02:00
drm_legacy.h
drm_lock.c
drm_memory.c drm: fix drm_get_max_iomem type mismatch 2018-02-22 11:18:58 -05:00
drm_mipi_dsi.c drm/dsi: Fix improper use of mipi_dsi_device_transfer() return value 2018-01-16 17:10:14 -05:00
drm_mm.c Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
drm_mode_config.c
drm_mode_object.c
drm_modes.c drm: Fix uabi regression by allowing garbage mode->type from userspace 2018-03-23 13:51:12 +02:00
drm_modeset_helper.c
drm_modeset_lock.c drm/atomic: Call ww_acquire_done after drm_modeset_lock_all 2018-03-05 10:35:32 +01:00
drm_of.c drm: of: simplify component probe code 2018-03-06 14:05:00 +05:30
drm_panel_orientation_quirks.c drm: panel-orientation-quirks: Add quirk for Lenovo Ideapad Mixx 320 2018-04-24 13:43:45 +02:00
drm_panel.c
drm_pci.c
drm_plane_helper.c drm: Don't pass clip to drm_atomic_helper_check_plane_state() 2018-03-05 20:48:25 +02:00
drm_plane.c drm: Use plane->state->fb over plane->fb 2018-03-29 19:14:21 +03:00
drm_prime.c drm: add parameter explanation for some gem dmabuf_ops 2018-03-28 15:10:28 -05:00
drm_print.c drm: Reduce object size of DRM_DEV_<LEVEL> uses 2018-03-19 15:15:42 +01:00
drm_probe_helper.c Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
drm_property.c Revert "drm: Use a flexible array member for blob property data" 2018-03-16 15:44:01 +02:00
drm_rect.c
drm_scatter.c
drm_scdc_helper.c drm/scdc-helper: Convert errors into debug messages 2018-03-26 21:37:24 +03:00
drm_simple_kms_helper.c drm/simple-kms-helper: Plumb plane state to the enable hook 2018-03-28 19:19:32 +03:00
drm_syncobj.c drm: Use idr_init_base(1) when using id==0 for invalid 2018-02-19 12:21:24 +00:00
drm_sysfs.c
drm_trace_points.c
drm_trace.h
drm_vblank.c Merge tag 'drm-intel-next-2018-03-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next 2018-03-14 14:53:01 +10:00
drm_vm.c
drm_vma_manager.c
Kconfig drm/xen-front: Add support for Xen PV display frontend 2018-04-03 14:41:48 +03:00
Makefile drm/xen-front: Add support for Xen PV display frontend 2018-04-03 14:41:48 +03:00