[PATCH] drm/atomic-helpers: Invoke end_fb_access while owning plane state
Thomas Zimmermann
tzimmermann at suse.de
Mon Nov 27 14:17:39 UTC 2023
Hi
Am 26.11.23 um 16:08 schrieb Alyssa Ross:
> Thomas Zimmermann <tzimmermann at suse.de> writes:
>
>> Invoke drm_plane_helper_funcs.end_fb_access before
>> drm_atomic_helper_commit_hw_done(). The latter function hands over
>> ownership of the plane state to the following commit, which might
>> free it. Releasing resources in end_fb_access then operates on undefined
>> state. This bug has been observed with non-blocking commits when they
>> are being queued up quickly.
>>
>> Here is an example stack trace from the bug report. The plane state has
>> been free'd already, so the pages for drm_gem_fb_vunmap() are gone.
>>
>> Unable to handle kernel paging request at virtual address 0000000100000049
>> [...]
>> drm_gem_fb_vunmap+0x18/0x74
>> drm_gem_end_shadow_fb_access+0x1c/0x2c
>> drm_atomic_helper_cleanup_planes+0x58/0xd8
>> drm_atomic_helper_commit_tail+0x90/0xa0
>> commit_tail+0x15c/0x188
>> commit_work+0x14/0x20
>>
>> For aborted commits, it is still ok to run end_fb_access as part of the
>> plane's cleanup. Add a test to drm_atomic_helper_cleanup_planes().
>>
>> Reported-by: Alyssa Ross <hi at alyssa.is>
>> Closes: https://lore.kernel.org/dri-devel/87leazm0ya.fsf@alyssa.is/
>> Suggested-by: Daniel Vetter <daniel at ffwll.ch>
>> Fixes: 94d879eaf7fb ("drm/atomic-helper: Add {begin,end}_fb_access to plane helpers")
>> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
>> Cc: <stable at vger.kernel.org> # v6.2+
>> ---
>> drivers/gpu/drm/drm_atomic_helper.c | 17 +++++++++++++++++
>> 1 file changed, 17 insertions(+)
>
> I've been trying this patch for the last couple of days. Alas the
> problem doesn't seem to have been resolved entirely, because I've had
> the following Oopses:
Thanks for testing. I think I got the test in
drm_atomic_helper_cleanup_planes() wrong. I'll seend out an update soon.
Best regards
Thomas
>
>
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_init] Allocated atomic state 00000000af08a086
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_plane_state] Added [PLANE:31:plane-0] 0000000001cc7517 state to 00000000af08a086
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_crtc_state] Added [CRTC:33:crtc-0] 00000000e546877a state to 00000000af08a086
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_set_fb_for_plane] Set [FB:37] for [PLANE:31:plane-0] state 0000000001cc7517
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_connector_state] Added [CONNECTOR:35:Unknown-1] 000000008cee195b state to 00000000af08a086
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_check_only] checking 00000000af08a086
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] Updating routing for [CONNECTOR:35:Unknown-1]
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] [CONNECTOR:35:Unknown-1] keeps [ENCODER:34:None-34], now on [CRTC:33:crtc-0]
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000af08a086
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000af08a086
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_nonblocking_commit] committing 00000000af08a086 nonblocking
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_default_clear] Clearing atomic state 00000000af08a086
> simple-framebuffer dd53a4000.framebuffer: [drm:__drm_atomic_state_free] Freeing atomic state 00000000af08a086
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_init] Allocated atomic state 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_plane_state] Added [PLANE:31:plane-0] 00000000d3b51954 state to 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_crtc_state] Added [CRTC:33:crtc-0] 00000000e7c9e6b8 state to 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_set_fb_for_plane] Set [FB:38] for [PLANE:31:plane-0] state 00000000d3b51954
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_connector_state] Added [CONNECTOR:35:Unknown-1] 00000000016b7c7e state to 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_check_only] checking 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] Updating routing for [CONNECTOR:35:Unknown-1]
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] [CONNECTOR:35:Unknown-1] keeps [ENCODER:34:None-34], now on [CRTC:33:crtc-0]
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_default_clear] Clearing atomic state 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:__drm_atomic_state_free] Freeing atomic state 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_init] Allocated atomic state 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_plane_state] Added [PLANE:31:plane-0] 00000000d3b51954 state to 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_crtc_state] Added [CRTC:33:crtc-0] 00000000e7c9e6b8 state to 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_set_fb_for_plane] Set [FB:38] for [PLANE:31:plane-0] state 00000000d3b51954
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_connector_state] Added [CONNECTOR:35:Unknown-1] 00000000016b7c7e state to 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_check_only] checking 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] Updating routing for [CONNECTOR:35:Unknown-1]
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] [CONNECTOR:35:Unknown-1] keeps [ENCODER:34:None-34], now on [CRTC:33:crtc-0]
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000f87a08e9
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_nonblocking_commit] committing 00000000f87a08e9 nonblocking
> Unable to handle kernel paging request at virtual address 07821098078210e0
> Mem abort info:
> ESR = 0x0000000096000004
> EC = 0x25: DABT (current EL), IL = 32 bits
> SET = 0, FnV = 0
> EA = 0, S1PTW = 0
> FSC = 0x04: level 0 translation fault
> Data abort info:
> ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
> CM = 0, WnR = 0, TnD = 0, TagAccess = 0
> GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
> [07821098078210e0] address between user and kernel address ranges
> Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
> Modules linked in: uas usb_storage usbhid rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device bnep des_generic libdes md4 brcmfmac_wcc joydev hci_bcm4377 bluetooth brcmfmac brcmutil ecdh_generic cfg80211 hid_magicmouse ecc rfkill macsmc_power macsmc_hid snd_soc_macaudio macsmc_reboot apple_isp videobuf2_dma_sg videobuf2_memops videobuf2_v4l2 videodev videobuf2_common xt_conntrack ofpart nf_conntrack mc spi_nor nf_defrag_ipv6 clk_apple_nco apple_admac nf_defrag_ipv4 snd_soc_apple_mca snd_soc_cs42l84 snd_soc_tas2764 pwm_apple apple_soc_cpufreq leds_pwm hid_apple ip6t_rpfilter ipt_rpfilter xt_pkttype xt_LOG nf_log_syslog nft_compat nf_tables nfnetlink loop tun tap macvlan bridge stp llc fuse zstd zram dm_crypt xhci_plat_hcd xhci_hcd rtc_macsmc nvmem_spmi_mfd gpio_macsmc pcie_apple simple_mfd_spmi dockchannel_hid tps6598x regmap_spmi pci_host_common phy_apple_atc dwc3 typec nvme_apple udc_core apple_sart apple_dockchannel macsmc_rtkit apple_rtkit_helper macsmc apple_rtkit mfd_core spmi_apple_controller
> nvmem_apple_efuses
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_default_clear] Clearing atomic state 00000000f87a08e9
> pinctrl_apple_gpio spi_apple i2c_apple apple_dart apple_mailbox btrfs xor xor_neon
> simple-framebuffer dd53a4000.framebuffer: [drm:__drm_atomic_state_free] Freeing atomic state 00000000f87a08e9
> raid6_pq
> CPU: 3 PID: 1051504 Comm: kworker/u16:0 Tainted: G S 6.5.0-asahi #1-NixOS
> Hardware name: Apple MacBook Pro (13-inch, M2, 2022) (DT)
> Workqueue: events_unbound commit_work
> pstate: 21400009 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
> pc : drm_gem_fb_vunmap+0x18/0x74
> lr : drm_gem_end_shadow_fb_access+0x1c/0x2c
> sp : ffff800088d1bd00
> x29: ffff800088d1bd00 x28: 0000000000000000 x27: 0000000000000000
> x26: ffff000001f6a400 x25: 00000000fffffef7 x24: ffff00000c3a6760
> x23: ffff000001fcb805 x22: 0000000000000000 x21: 0782109807821098
> x20: ffff00000c3a6700 x19: 0000000000000001 x18: 0000000000000000
> x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
> x14: 000000000000000a x13: 0000000000000000 x12: ffff800081310a80
> x11: 0000000000000001 x10: 4547e57b44a6ff52 x9 : 55676353188274f2
> x8 : ffff00039f2bc148 x7 : 0000000000000004 x6 : 0000000000000190
> x5 : 0000000000000001 x4 : ffff00021312e200 x3 : ffff00000ec16000
> x2 : ffff80008077889c x1 : ffff0000cbde3498 x0 : 0782109807821098
> Call trace:
> drm_gem_fb_vunmap+0x18/0x74
> drm_gem_end_shadow_fb_access+0x1c/0x2c
> drm_atomic_helper_cleanup_planes+0x64/0xe0
> drm_atomic_helper_commit_tail+0x90/0xa0
> commit_tail+0x15c/0x188
> commit_work+0x14/0x20
> process_one_work+0x1e0/0x344
> worker_thread+0x68/0x424
> kthread+0xf4/0x100
> ret_from_fork+0x10/0x20
> Code: 910003fd a90153f3 f90013f5 aa0003f5 (f9402400)
> ---[ end trace 0000000000000000 ]---
>
>
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_init] Allocated atomic state 000000005d0bd601
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_plane_state] Added [PLANE:31:plane-0] 000000001a73352d state to 000000005d0bd601
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_crtc_state] Added [CRTC:33:crtc-0] 000000007421fdc2 state to 000000005d0bd601
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_set_fb_for_plane] Set [FB:39] for [PLANE:31:plane-0] state 000000001a73352d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_connector_state] Added [CONNECTOR:35:Unknown-1] 00000000dabd463e state to 000000005d0bd601
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_check_only] checking 000000005d0bd601
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] Updating routing for [CONNECTOR:35:Unknown-1]
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] [CONNECTOR:35:Unknown-1] keeps [ENCODER:34:None-34], now on [CRTC:33:crtc-0]
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 000000005d0bd601
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 000000005d0bd601
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_nonblocking_commit] committing 000000005d0bd601 nonblocking
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_default_clear] Clearing atomic state 000000005d0bd601
> simple-framebuffer dd53a4000.framebuffer: [drm:__drm_atomic_state_free] Freeing atomic state 000000005d0bd601
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_init] Allocated atomic state 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_plane_state] Added [PLANE:31:plane-0] 000000008a207775 state to 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_crtc_state] Added [CRTC:33:crtc-0] 00000000a7948d96 state to 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_set_fb_for_plane] Set [FB:37] for [PLANE:31:plane-0] state 000000008a207775
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_connector_state] Added [CONNECTOR:35:Unknown-1] 000000005a471972 state to 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_check_only] checking 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] Updating routing for [CONNECTOR:35:Unknown-1]
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] [CONNECTOR:35:Unknown-1] keeps [ENCODER:34:None-34], now on [CRTC:33:crtc-0]
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_default_clear] Clearing atomic state 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:__drm_atomic_state_free] Freeing atomic state 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_init] Allocated atomic state 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_plane_state] Added [PLANE:31:plane-0] 000000008a207775 state to 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_crtc_state] Added [CRTC:33:crtc-0] 00000000a7948d96 state to 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_set_fb_for_plane] Set [FB:37] for [PLANE:31:plane-0] state 000000008a207775
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_connector_state] Added [CONNECTOR:35:Unknown-1] 000000005a471972 state to 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_check_only] checking 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] Updating routing for [CONNECTOR:35:Unknown-1]
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] [CONNECTOR:35:Unknown-1] keeps [ENCODER:34:None-34], now on [CRTC:33:crtc-0]
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_nonblocking_commit] committing 00000000f0e89d2d nonblocking
> Unable to handle kernel paging request at virtual address 0042608409c280d0
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_default_clear] Clearing atomic state 00000000f0e89d2d
> simple-framebuffer dd53a4000.framebuffer: [drm:__drm_atomic_state_free] Freeing atomic state 00000000f0e89d2d
> Mem abort info:
> ESR = 0x0000000096000004
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_init] Allocated atomic state 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_plane_state] Added [PLANE:31:plane-0] 00000000018a5301 state to 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_crtc_state] Added [CRTC:33:crtc-0] 000000007461d4b6 state to 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_set_fb_for_plane] Set [FB:39] for [PLANE:31:plane-0] state 00000000018a5301
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_connector_state] Added [CONNECTOR:35:Unknown-1] 00000000aa5a97e1 state to 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_check_only] checking 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] Updating routing for [CONNECTOR:35:Unknown-1]
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] [CONNECTOR:35:Unknown-1] keeps [ENCODER:34:None-34], now on [CRTC:33:crtc-0]
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_default_clear] Clearing atomic state 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:__drm_atomic_state_free] Freeing atomic state 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_init] Allocated atomic state 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_plane_state] Added [PLANE:31:plane-0] 00000000018a5301 state to 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_crtc_state] Added [CRTC:33:crtc-0] 000000007461d4b6 state to 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_set_fb_for_plane] Set [FB:39] for [PLANE:31:plane-0] state 00000000018a5301
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_get_connector_state] Added [CONNECTOR:35:Unknown-1] 00000000aa5a97e1 state to 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_check_only] checking 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] Updating routing for [CONNECTOR:35:Unknown-1]
> simple-framebuffer dd53a4000.framebuffer: [drm:update_connector_routing] [CONNECTOR:35:Unknown-1] keeps [ENCODER:34:None-34], now on [CRTC:33:crtc-0]
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_add_encoder_bridges] Adding all bridges for [encoder:34:None-34] to 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_nonblocking_commit] committing 00000000921c84ac nonblocking
> EC = 0x25: DABT (current EL), IL = 32 bits
> simple-framebuffer dd53a4000.framebuffer: [drm:drm_atomic_state_default_clear] Clearing atomic state 00000000921c84ac
> simple-framebuffer dd53a4000.framebuffer: [drm:__drm_atomic_state_free] Freeing atomic state 00000000921c84ac
> SET = 0, FnV = 0
> EA = 0, S1PTW = 0
> FSC = 0x04: level 0 translation fault
> Data abort info:
> ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
> CM = 0, WnR = 0, TnD = 0, TagAccess = 0
> GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
> [0042608409c280d0] address between user and kernel address ranges
> Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
> Modules linked in: rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device uas usb_storage usbhid xhci_plat_hcd xhci_hcd bnep des_generic libdes md4 brcmfmac_wcc hci_bcm4377 joydev brcmfmac brcmutil bluetooth cfg80211 ecdh_generic ecc hid_magicmouse rfkill apple_isp macsmc_reboot snd_soc_macaudio macsmc_hid macsmc_power videobuf2_dma_sg videobuf2_memops snd_soc_cs42l84 videobuf2_v4l2 ofpart snd_soc_tas2764 spi_nor xt_conntrack videodev videobuf2_common snd_soc_apple_mca nf_conntrack mc pwm_apple apple_admac clk_apple_nco nf_defrag_ipv6 nf_defrag_ipv4 leds_pwm apple_soc_cpufreq hid_apple ip6t_rpfilter ipt_rpfilter xt_pkttype xt_LOG nf_log_syslog nft_compat nf_tables nfnetlink loop tun tap macvlan bridge stp llc fuse zstd zram dm_crypt nvmem_spmi_mfd rtc_macsmc gpio_macsmc simple_mfd_spmi tps6598x dockchannel_hid regmap_spmi pcie_apple pci_host_common dwc3 phy_apple_atc apple_rtkit_helper nvme_apple udc_core typec macsmc_rtkit apple_rtkit apple_sart macsmc apple_dockchannel mfd_core spmi_apple_controller
> nvmem_apple_efuses pinctrl_apple_gpio spi_apple i2c_apple apple_dart apple_mailbox btrfs xor xor_neon raid6_pq
> CPU: 0 PID: 1343030 Comm: kworker/u16:1 Tainted: G S 6.5.0-asahi #1-NixOS
> Hardware name: Apple MacBook Pro (13-inch, M2, 2022) (DT)
> Workqueue: events_unbound commit_work
> pstate: 81400009 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
> pc : drm_gem_fb_vunmap+0x18/0x74
> lr : drm_gem_end_shadow_fb_access+0x1c/0x2c
> sp : ffff800089703d00
> x29: ffff800089703d00 x28: 0000000000000000 x27: 0000000000000000
> x26: ffff000001f6a400 x25: 00000000fffffef7 x24: ffff00001271c7e0
> x23: ffff000001fc9605 x22: 0000000000000000 x21: 0942608409c28088
> x20: ffff00001271c780 x19: 0000000000000001 x18: 0000000000000000
> x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
> x14: 0000000000000076 x13: 0000000000000000 x12: ffff800081310a80
> x11: 0000000000000001 x10: 5529b6694f2ac3f6 x9 : 89a1724a7ebc1277
> x8 : ffff0000133af7c8 x7 : 0000000000000004 x6 : 0000000000000190
> x5 : 0000000000000001 x4 : ffff0000a3bd5a00 x3 : ffff00000dd18000
> x2 : ffff80008077889c x1 : ffff000139c39c98 x0 : 0942608409c28088
> Call trace:
> drm_gem_fb_vunmap+0x18/0x74
> drm_gem_end_shadow_fb_access+0x1c/0x2c
> drm_atomic_helper_cleanup_planes+0x64/0xe0
> drm_atomic_helper_commit_tail+0x90/0xa0
> commit_tail+0x15c/0x188
> commit_work+0x14/0x20
> process_one_work+0x1e0/0x344
> worker_thread+0x68/0x424
> kthread+0xf4/0x100
> ret_from_fork+0x10/0x20
> Code: 910003fd a90153f3 f90013f5 aa0003f5 (f9402400)
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)
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