Chris Wilson 6710fcfca5 drm/i915/guc: Protect against no desc-pool on premature shutdown ... Hopefully the final hack to get guc fault-injection happy before we can clean it up again, starting from a known good baseline... [ 383.017530] BUG: unable to handle kernel NULL pointer dereference at 00000000000000a0 [ 383.017556] Oops: 0000 [#1] PREEMPT SMP PTI [ 383.017566] CPU: 7 PID: 4725 Comm: drv_module_relo Tainted: G U 4.18.0-rc4-CI-CI_DRM_4485+ #1 [ 383.017581] Hardware name: Micro-Star International Co., Ltd. MS-7B54/Z370M MORTAR (MS-7B54), BIOS 1.10 12/28/2017 [ 383.017664] RIP: 0010:guc_stage_desc_pool_destroy+0x17/0xe0 [i915] [ 383.017674] Code: 59 a0 c6 05 02 59 18 00 01 e8 5e 01 c3 e0 eb b1 0f 1f 00 53 48 89 fb 48 81 c7 90 02 00 00 e8 60 64 45 e1 48 8b 83 80 02 00 00 <48> 8b 80 a0 00 00 00 48 8b 90 68 02 00 00 48 83 ea 01 48 81 fa ff [ 383.017771] RSP: 0018:ffffc900004bbdd0 EFLAGS: 00010282 [ 383.017782] RAX: 0000000000000000 RBX: ffff88012ff41300 RCX: 0000000000000000 [ 383.017794] RDX: 0000000000000000 RSI: ffffc900004bbd80 RDI: 0000000000000000 [ 383.017805] RBP: ffff88012ff40000 R08: 00000000d876ee11 R09: 0000000000000000 [ 383.017817] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88012ff47770 [ 383.017828] R13: ffff88012ff40068 R14: ffff880264392ef8 R15: ffffffffa0639950 [ 383.017840] FS: 00007fb9c18c8980(0000) GS:ffff8802663c0000(0000) knlGS:0000000000000000 [ 383.017853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 383.017864] CR2: 00000000000000a0 CR3: 00000001df6cc003 CR4: 00000000003606e0 [ 383.017875] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 383.017887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 383.017898] Call Trace: [ 383.017962] intel_uc_fini+0x34/0xd0 [i915] [ 383.018020] i915_gem_fini+0x5c/0x100 [i915] [ 383.018093] i915_driver_unload+0xd2/0x110 [i915] [ 383.018150] i915_pci_remove+0x10/0x20 [i915] [ 383.018165] pci_device_remove+0x36/0xb0 [ 383.018179] device_release_driver_internal+0x185/0x250 [ 383.018193] driver_detach+0x35/0x70 [ 383.018205] bus_remove_driver+0x53/0xd0 [ 383.018217] pci_unregister_driver+0x25/0xa0 [ 383.018232] __se_sys_delete_module+0x162/0x210 [ 383.018245] ? do_syscall_64+0xd/0x190 [ 383.018257] do_syscall_64+0x55/0x190 [ 383.018270] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.018282] RIP: 0033:0x7fb9c0f7c1b7 [ 383.018290] Code: 73 01 c3 48 8b 0d d1 8c 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 8c 2c 00 f7 d8 64 89 01 48 [ 383.018408] RSP: 002b:00007fffa01c2aa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 383.018425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb9c0f7c1b7 [ 383.018440] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000560b96856d48 [ 383.018454] RBP: 0000560b96856ce0 R08: 0000560b96856d4c R09: 00007fffa01c2ae8 [ 383.018468] R10: 00007fffa01c1aa4 R11: 0000000000000206 R12: 0000560b954f7470 Testcase: igt/drv_module_reload/basic-reload-inject Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Michał Winiarski <michal.winiarski@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180713172658.14070-1-chris@chris-wilson.co.uk		2018-07-13 19:13:51 +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/guc: Protect against no desc-pool on premature shutdown	2018-07-13 19:13:51 +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	r128: don't open-code memdup_user()	2017-12-27 19:00:09 -05:00
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/i915: Prevent writing into a read-only object via a GGTT mmap	2018-07-13 16:14:04 +01:00
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	Linux 4.15-rc4	2017-12-19 21:37:24 +10:00
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