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Message-ID: <eb932190-6358-4e9f-8bd2-ed34e4f71605@mailbox.org>
Date: Thu, 17 Jul 2025 00:34:35 +0200
From: Erhard Furtner <erhard_f@...lbox.org>
To: dri-devel@...ts.freedesktop.org
Cc: linux-kernel@...r.kernel.org
Subject: WARNING on drm_framebuffer_test, drm_rect_test, drm_gem_shmem_test,
e.g. WARNING: CPU: 1 PID: 1379 at drivers/gpu/drm/drm_gem_shmem_helper.c:180
drm_gem_shmem_free+0x2f0/0x308 [drm_shmem_helper] (kernel v6.16-rc6)
Greetings!
I noticed this at running in-kernel drm tests on my Thinkpad T60 and
also on my PowerMac G4 DP.
drm_framebuffer_test, drm_rect_test, drm_gem_shmem_test tests pass, but
show warnings and a stacktace:
[...]
KTAP version 1
1..1
KTAP version 1
# Subtest: drm_framebuffer
# module: drm_framebuffer_test
1..10
KTAP version 1
# Subtest: drm_test_framebuffer_check_src_coords
ok 1 Success: source fits into fb
ok 2 Fail: overflowing fb with x-axis coordinate
ok 3 Fail: overflowing fb with y-axis coordinate
ok 4 Fail: overflowing fb with source width
ok 5 Fail: overflowing fb with source height
# drm_test_framebuffer_check_src_coords: pass:5 fail:0 skip:0 total:5
ok 1 drm_test_framebuffer_check_src_coords
ok 2 drm_test_framebuffer_cleanup
KTAP version 1
# Subtest: drm_test_framebuffer_create
ok 1 ABGR8888 normal sizes
ok 2 ABGR8888 max sizes
ok 3 ABGR8888 pitch greater than min required
ok 4 ABGR8888 pitch less than min required
ok 5 ABGR8888 Invalid width
ok 6 ABGR8888 Invalid buffer handle
ok 7 No pixel format
ok 8 ABGR8888 Width 0
ok 9 ABGR8888 Height 0
ok 10 ABGR8888 Out of bound height * pitch combination
ok 11 ABGR8888 Large buffer offset
ok 12 ABGR8888 Buffer offset for inexistent plane
ok 13 ABGR8888 Invalid flag
ok 14 ABGR8888 Set DRM_MODE_FB_MODIFIERS without modifiers
ok 15 ABGR8888 Valid buffer modifier
ok 16 ABGR8888 Invalid buffer
modifier(DRM_FORMAT_MOD_SAMSUNG_64_32_TILE)
ok 17 ABGR8888 Extra pitches without DRM_MODE_FB_MODIFIERS
ok 18 ABGR8888 Extra pitches with DRM_MODE_FB_MODIFIERS
ok 19 NV12 Normal sizes
ok 20 NV12 Max sizes
ok 21 NV12 Invalid pitch
ok 22 NV12 Invalid modifier/missing DRM_MODE_FB_MODIFIERS flag
ok 23 NV12 different modifier per-plane
ok 24 NV12 with DRM_FORMAT_MOD_SAMSUNG_64_32_TILE
ok 25 NV12 Valid modifiers without DRM_MODE_FB_MODIFIERS
ok 26 NV12 Modifier for inexistent plane
ok 27 NV12 Handle for inexistent plane
ok 28 NV12 Handle for inexistent plane without
DRM_MODE_FB_MODIFIERS
ok 29 YVU420 DRM_MODE_FB_MODIFIERS set without modifier
ok 30 YVU420 Normal sizes
ok 31 YVU420 Max sizes
ok 32 YVU420 Invalid pitch
ok 33 YVU420 Different pitches
ok 34 YVU420 Different buffer offsets/pitches
ok 35 YVU420 Modifier set just for plane 0, without
DRM_MODE_FB_MODIFIERS
ok 36 YVU420 Modifier set just for planes 0, 1, without
DRM_MODE_FB_MODIFIERS
ok 37 YVU420 Modifier set just for plane 0, 1, with
DRM_MODE_FB_MODIFIERS
ok 38 YVU420 Valid modifier
ok 39 YVU420 Different modifiers per plane
ok 40 YVU420 Modifier for inexistent plane
ok 41 YUV420_10BIT Invalid modifier(DRM_FORMAT_MOD_LINEAR)
ok 42 X0L2 Normal sizes
ok 43 X0L2 Max sizes
ok 44 X0L2 Invalid pitch
ok 45 X0L2 Pitch greater than minimum required
ok 46 X0L2 Handle for inexistent plane
ok 47 X0L2 Offset for inexistent plane, without
DRM_MODE_FB_MODIFIERS set
ok 48 X0L2 Modifier without DRM_MODE_FB_MODIFIERS set
ok 49 X0L2 Valid modifier
ok 50 X0L2 Modifier for inexistent plane
# drm_test_framebuffer_create: pass:50 fail:0 skip:0 total:50
ok 3 drm_test_framebuffer_create
------------[ cut here ]------------
drm-kunit-mock-device drm_test_framebuffer_free.drm-kunit-mock-device:
[drm] drm_WARN_ON(!list_empty(&fb->filp_head))
WARNING: CPU: 1 PID: 816 at drivers/gpu/drm/drm_framebuffer.c:832
drm_framebuffer_free+0x70/0x74
Modules linked in: drm_framebuffer_test drm_kunit_helpers drm_buddy_test
drm_buddy kunit ghash_generic gf128mul gcm ccm algif_aead des_generic
libdes ctr cbc ecb algif_skcipher aes_generic libaes cmac sha3_generic
sha512_generic sha1_generic md5 af_packet iwl3945 iwlegacy mac80211
libarc4 radeon uhci_hcd acpi_cpufreq snd_hda_intel ehci_pci ehci_hcd
snd_intel_dspcfg snd_hda_codec thinkpad_acpi usbcore cfg80211
drm_suballoc_helper drm_ttm_helper ttm snd_hwdep i2c_algo_bit nvram
platform_profile drm_exec sparse_keymap rfkill drm_display_helper
snd_hda_core usb_common video snd_pcm input_leds wmi processor snd_timer
ac backlight joydev evdev battery snd thermal button soundcore
pkcs8_key_parser coretemp hwmon fuse loop dm_mod configfs
CPU: 1 UID: 0 PID: 816 Comm: kunit_try_catch Tainted: G
N 6.16.0-rc6-P3 #1 PREEMPTLAZY
Tainted: [N]=TEST
Hardware name: LENOVO 2007F2G/2007F2G, BIOS 79ETE7WW (2.27 ) 03/21/2011
EIP: drm_framebuffer_free+0x70/0x74
Code: 53 08 eb 09 31 c0 e8 fb f8 02 00 31 d2 8b 4a 2c 85 c9 75 02 8b 0a
68 4c d7 83 cc 51 50 68 03 10 7c cc e8 f7 15 a6 ff 83 c4 10 <0f> 0b eb
a4 55 89 e5 53 57 56 83 ec 10 39 02 74 13 0f 0b b8 ea ff
EAX: 00000000 EBX: c4e08800 ECX: 00000000 EDX: 00000000
ESI: c7371e58 EDI: c7371e70 EBP: c7371e3c ESP: c7371e30
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010286
CR0: 80050033 CR2: 0089d010 CR3: 06c90000 CR4: 000006f0
Call Trace:
drm_test_framebuffer_free+0x77/0x1e8 [drm_framebuffer_test]
kunit_try_run_case+0x70/0x184 [kunit]
? __switch_to_asm+0x2f/0xf0
? schedule+0x52/0x78
? _raw_spin_unlock_irqrestore+0xb/0x2c
kunit_generic_run_threadfn_adapter+0x18/0x2c [kunit]
kthread+0x197/0x1c4
? _raw_spin_unlock_irq+0x8/0x20
? kunit_try_catch_run+0x1c4/0x1c4 [kunit]
? calculate_sigpending+0x2a/0x30
? kthread_blkcg+0x24/0x24
? kthread_blkcg+0x24/0x24
ret_from_fork+0x79/0xcc
ret_from_fork_asm+0x12/0x18
entry_INT80_32+0xf0/0xf0
---[ end trace 0000000000000000 ]---
ok 4 drm_test_framebuffer_free
ok 5 drm_test_framebuffer_init
------------[ cut here ]------------
WARNING: CPU: 1 PID: 820 at drivers/gpu/drm/drm_framebuffer.c:869
drm_framebuffer_init+0xd/0x20c
Modules linked in: drm_framebuffer_test drm_kunit_helpers drm_buddy_test
drm_buddy kunit ghash_generic gf128mul gcm ccm algif_aead des_generic
libdes ctr cbc ecb algif_skcipher aes_generic libaes cmac sha3_generic
sha512_generic sha1_generic md5 af_packet iwl3945 iwlegacy mac80211
libarc4 radeon uhci_hcd acpi_cpufreq snd_hda_intel ehci_pci ehci_hcd
snd_intel_dspcfg snd_hda_codec thinkpad_acpi usbcore cfg80211
drm_suballoc_helper drm_ttm_helper ttm snd_hwdep i2c_algo_bit nvram
platform_profile drm_exec sparse_keymap rfkill drm_display_helper
snd_hda_core usb_common video snd_pcm input_leds wmi processor snd_timer
ac backlight joydev evdev battery snd thermal button soundcore
pkcs8_key_parser coretemp hwmon fuse loop dm_mod configfs
CPU: 1 UID: 0 PID: 820 Comm: kunit_try_catch Tainted: G W
N 6.16.0-rc6-P3 #1 PREEMPTLAZY
Tainted: [W]=WARN, [N]=TEST
Hardware name: LENOVO 2007F2G/2007F2G, BIOS 79ETE7WW (2.27 ) 03/21/2011
EIP: drm_framebuffer_init+0xd/0x20c
Code: c9 75 02 8b 0a 68 4c d7 83 cc 51 50 68 03 10 7c cc e8 f7 15 a6 ff
83 c4 10 0f 0b eb a4 55 89 e5 53 57 56 83 ec 10 39 02 74 13 <0f> 0b b8
ea ff ff ff 83 c4 10 5e 5f 5b 5d 31 c9 31 d2 c3 89 d6 8b
EAX: c4aea000 EBX: 00000000 ECX: c737de4c EDX: 00000000
ESI: c737de58 EDI: c4aea000 EBP: c737de30 ESP: c737de14
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010246
CR0: 80050033 CR2: b66bf950 CR3: 06c96000 CR4: 000006f0
Call Trace:
drm_test_framebuffer_init_bad_format+0x51/0xcc [drm_framebuffer_test]
kunit_try_run_case+0x70/0x184 [kunit]
? __switch_to_asm+0x2f/0xf0
? schedule+0x52/0x78
? _raw_spin_unlock_irqrestore+0xb/0x2c
kunit_generic_run_threadfn_adapter+0x18/0x2c [kunit]
kthread+0x197/0x1c4
? _raw_spin_unlock_irq+0x8/0x20
? kunit_try_catch_run+0x1c4/0x1c4 [kunit]
? calculate_sigpending+0x2a/0x30
? kthread_blkcg+0x24/0x24
? kthread_blkcg+0x24/0x24
ret_from_fork+0x79/0xcc
ret_from_fork_asm+0x12/0x18
entry_INT80_32+0xf0/0xf0
---[ end trace 0000000000000000 ]---
ok 6 drm_test_framebuffer_init_bad_format
ok 7 drm_test_framebuffer_init_dev_mismatch
ok 8 drm_test_framebuffer_lookup
ok 9 drm_test_framebuffer_lookup_inexistent
ok 10 drm_test_framebuffer_modifiers_not_supported
# drm_framebuffer: pass:10 fail:0 skip:0 total:10
# Totals: pass:63 fail:0 skip:0 total:63
ok 1 drm_framebuffer
KTAP version 1
1..1
KTAP version 1
# Subtest: drm_rect
# module: drm_rect_test
1..9
ok 1 drm_test_rect_clip_scaled_div_by_zero
ok 2 drm_test_rect_clip_scaled_not_clipped
ok 3 drm_test_rect_clip_scaled_clipped
ok 4 drm_test_rect_clip_scaled_signed_vs_unsigned
KTAP version 1
# Subtest: drm_test_rect_intersect
ok 1 top-left x bottom-right: 2x2+1+1 x 2x2+0+0
ok 2 top-right x bottom-left: 2x2+0+0 x 2x2+1-1
ok 3 bottom-left x top-right: 2x2+1-1 x 2x2+0+0
ok 4 bottom-right x top-left: 2x2+0+0 x 2x2+1+1
ok 5 right x left: 2x1+0+0 x 3x1+1+0
ok 6 left x right: 3x1+1+0 x 2x1+0+0
ok 7 up x bottom: 1x2+0+0 x 1x3+0-1
ok 8 bottom x up: 1x3+0-1 x 1x2+0+0
ok 9 touching corner: 1x1+0+0 x 2x2+1+1
ok 10 touching side: 1x1+0+0 x 1x1+1+0
ok 11 equal rects: 2x2+0+0 x 2x2+0+0
ok 12 inside another: 2x2+0+0 x 1x1+1+1
ok 13 far away: 1x1+0+0 x 1x1+3+6
ok 14 points intersecting: 0x0+5+10 x 0x0+5+10
ok 15 points not intersecting: 0x0+0+0 x 0x0+5+10
# drm_test_rect_intersect: pass:15 fail:0 skip:0 total:15
ok 5 drm_test_rect_intersect
KTAP version 1
# Subtest: drm_test_rect_calc_hscale
ok 1 normal use
ok 2 out of max range
ok 3 out of min range
ok 4 zero dst
------------[ cut here ]------------
WARNING: CPU: 1 PID: 882 at drivers/gpu/drm/drm_rect.c:137
drm_rect_calc_hscale+0x6c/0x78
Modules linked in: drm_rect_test drm_framebuffer_test drm_kunit_helpers
drm_buddy_test drm_buddy kunit ghash_generic gf128mul gcm ccm algif_aead
des_generic libdes ctr cbc ecb algif_skcipher aes_generic libaes cmac
sha3_generic sha512_generic sha1_generic md5 af_packet iwl3945 iwlegacy
mac80211 libarc4 radeon uhci_hcd acpi_cpufreq snd_hda_intel ehci_pci
ehci_hcd snd_intel_dspcfg snd_hda_codec thinkpad_acpi usbcore cfg80211
drm_suballoc_helper drm_ttm_helper ttm snd_hwdep i2c_algo_bit nvram
platform_profile drm_exec sparse_keymap rfkill drm_display_helper
snd_hda_core usb_common video snd_pcm input_leds wmi processor snd_timer
ac backlight joydev evdev battery snd thermal button soundcore
pkcs8_key_parser coretemp hwmon fuse loop dm_mod configfs
CPU: 1 UID: 0 PID: 882 Comm: kunit_try_catch Tainted: G W
N 6.16.0-rc6-P3 #1 PREEMPTLAZY
Tainted: [W]=WARN, [N]=TEST
Hardware name: LENOVO 2007F2G/2007F2G, BIOS 79ETE7WW (2.27 ) 03/21/2011
EIP: drm_rect_calc_hscale+0x6c/0x78
Code: 39 d0 be de ff ff ff 89 c2 0f 4f d6 3b 45 f0 0f 4c d6 85 c0 0f 48
d0 39 cf 0f 44 d0 89 d0 83 c4 04 5e 5f 5b 5d 31 c9 31 d2 c3 <0f> 0b b8
ea ff ff ff eb cd 90 90 90 55 89 e5 53 57 56 50 89 4d f0
EAX: ffff0000 EBX: 00010000 ECX: 00000000 EDX: 7fffffff
ESI: ffff0000 EDI: 00010000 EBP: c6c85ec8 ESP: c6c85eb8
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010286
CR0: 80050033 CR2: b63b8010 CR3: 01276000 CR4: 000006f0
Call Trace:
drm_test_rect_calc_hscale+0x1e/0x80 [drm_rect_test]
? __switch_to_asm+0x59/0xf0
? __switch_to_asm+0x53/0xf0
kunit_try_run_case+0x70/0x184 [kunit]
? __switch_to_asm+0x2f/0xf0
? schedule+0x52/0x78
? _raw_spin_unlock_irqrestore+0xb/0x2c
kunit_generic_run_threadfn_adapter+0x18/0x2c [kunit]
kthread+0x197/0x1c4
? _raw_spin_unlock_irq+0x8/0x20
? kunit_try_catch_run+0x1c4/0x1c4 [kunit]
? calculate_sigpending+0x2a/0x30
? kthread_blkcg+0x24/0x24
? kthread_blkcg+0x24/0x24
ret_from_fork+0x79/0xcc
ret_from_fork_asm+0x12/0x18
entry_INT80_32+0xf0/0xf0
---[ end trace 0000000000000000 ]---
ok 5 negative src
------------[ cut here ]------------
WARNING: CPU: 1 PID: 884 at drivers/gpu/drm/drm_rect.c:137
drm_rect_calc_hscale+0x6c/0x78
Modules linked in: drm_rect_test drm_framebuffer_test drm_kunit_helpers
drm_buddy_test drm_buddy kunit ghash_generic gf128mul gcm ccm algif_aead
des_generic libdes ctr cbc ecb algif_skcipher aes_generic libaes cmac
sha3_generic sha512_generic sha1_generic md5 af_packet iwl3945 iwlegacy
mac80211 libarc4 radeon uhci_hcd acpi_cpufreq snd_hda_intel ehci_pci
ehci_hcd snd_intel_dspcfg snd_hda_codec thinkpad_acpi usbcore cfg80211
drm_suballoc_helper drm_ttm_helper ttm snd_hwdep i2c_algo_bit nvram
platform_profile drm_exec sparse_keymap rfkill drm_display_helper
snd_hda_core usb_common video snd_pcm input_leds wmi processor snd_timer
ac backlight joydev evdev battery snd thermal button soundcore
pkcs8_key_parser coretemp hwmon fuse loop dm_mod configfs
CPU: 1 UID: 0 PID: 884 Comm: kunit_try_catch Tainted: G W
N 6.16.0-rc6-P3 #1 PREEMPTLAZY
Tainted: [W]=WARN, [N]=TEST
Hardware name: LENOVO 2007F2G/2007F2G, BIOS 79ETE7WW (2.27 ) 03/21/2011
EIP: drm_rect_calc_hscale+0x6c/0x78
Code: 39 d0 be de ff ff ff 89 c2 0f 4f d6 3b 45 f0 0f 4c d6 85 c0 0f 48
d0 39 cf 0f 44 d0 89 d0 83 c4 04 5e 5f 5b 5d 31 c9 31 d2 c3 <0f> 0b b8
ea ff ff ff eb cd 90 90 90 55 89 e5 53 57 56 50 89 4d f0
EAX: ffff0000 EBX: ffff0000 ECX: 00000000 EDX: 7fffffff
ESI: 00010000 EDI: ffff0000 EBP: c5057ec8 ESP: c5057eb8
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010286
CR0: 80050033 CR2: b63b8010 CR3: 01276000 CR4: 000006f0
Call Trace:
drm_test_rect_calc_hscale+0x1e/0x80 [drm_rect_test]
? __switch_to_asm+0x59/0xf0
? __switch_to_asm+0x53/0xf0
kunit_try_run_case+0x70/0x184 [kunit]
? __switch_to_asm+0x2f/0xf0
? schedule+0x52/0x78
? _raw_spin_unlock_irqrestore+0xb/0x2c
kunit_generic_run_threadfn_adapter+0x18/0x2c [kunit]
kthread+0x197/0x1c4
? _raw_spin_unlock_irq+0x8/0x20
? kunit_try_catch_run+0x1c4/0x1c4 [kunit]
? calculate_sigpending+0x2a/0x30
? kthread_blkcg+0x24/0x24
? kthread_blkcg+0x24/0x24
ret_from_fork+0x79/0xcc
ret_from_fork_asm+0x12/0x18
entry_INT80_32+0xf0/0xf0
---[ end trace 0000000000000000 ]---
ok 6 negative dst
# drm_test_rect_calc_hscale: pass:6 fail:0 skip:0 total:6
ok 6 drm_test_rect_calc_hscale
KTAP version 1
# Subtest: drm_test_rect_calc_vscale
ok 1 normal use
ok 2 out of max range
ok 3 out of min range
ok 4 zero dst
------------[ cut here ]------------
WARNING: CPU: 1 PID: 894 at drivers/gpu/drm/drm_rect.c:137
drm_rect_calc_vscale+0x6e/0x78
Modules linked in: drm_rect_test drm_framebuffer_test drm_kunit_helpers
drm_buddy_test drm_buddy kunit ghash_generic gf128mul gcm ccm algif_aead
des_generic libdes ctr cbc ecb algif_skcipher aes_generic libaes cmac
sha3_generic sha512_generic sha1_generic md5 af_packet iwl3945 iwlegacy
mac80211 libarc4 radeon uhci_hcd acpi_cpufreq snd_hda_intel ehci_pci
ehci_hcd snd_intel_dspcfg snd_hda_codec thinkpad_acpi usbcore cfg80211
drm_suballoc_helper drm_ttm_helper ttm snd_hwdep i2c_algo_bit nvram
platform_profile drm_exec sparse_keymap rfkill drm_display_helper
snd_hda_core usb_common video snd_pcm input_leds wmi processor snd_timer
ac backlight joydev evdev battery snd thermal button soundcore
pkcs8_key_parser coretemp hwmon fuse loop dm_mod configfs
CPU: 1 UID: 0 PID: 894 Comm: kunit_try_catch Tainted: G W
N 6.16.0-rc6-P3 #1 PREEMPTLAZY
Tainted: [W]=WARN, [N]=TEST
Hardware name: LENOVO 2007F2G/2007F2G, BIOS 79ETE7WW (2.27 ) 03/21/2011
EIP: drm_rect_calc_vscale+0x6e/0x78
Code: 39 d0 be de ff ff ff 89 c2 0f 4f d6 3b 45 f0 0f 4c d6 85 c0 0f 48
d0 39 cf 0f 44 d0 89 d0 83 c4 04 5e 5f 5b 5d 31 c9 31 d2 c3 <0f> 0b b8
ea ff ff ff eb cd 90 55 89 e5 53 57 56 83 ec 10 8b 32 8b
EAX: ffff0000 EBX: 00010000 ECX: 00000000 EDX: 7fffffff
ESI: ffff0000 EDI: 00010000 EBP: c5053ec8 ESP: c5053eb8
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010286
CR0: 80050033 CR2: b63b8010 CR3: 01276000 CR4: 000006f0
Call Trace:
drm_test_rect_calc_vscale+0x1e/0x80 [drm_rect_test]
? __switch_to_asm+0x59/0xf0
? __switch_to_asm+0x53/0xf0
kunit_try_run_case+0x70/0x184 [kunit]
? __switch_to_asm+0x2f/0xf0
? schedule+0x52/0x78
? _raw_spin_unlock_irqrestore+0xb/0x2c
kunit_generic_run_threadfn_adapter+0x18/0x2c [kunit]
kthread+0x197/0x1c4
? _raw_spin_unlock_irq+0x8/0x20
? kunit_try_catch_run+0x1c4/0x1c4 [kunit]
? calculate_sigpending+0x2a/0x30
? kthread_blkcg+0x24/0x24
? kthread_blkcg+0x24/0x24
ret_from_fork+0x79/0xcc
ret_from_fork_asm+0x12/0x18
entry_INT80_32+0xf0/0xf0
---[ end trace 0000000000000000 ]---
ok 5 negative src
------------[ cut here ]------------
WARNING: CPU: 0 PID: 896 at drivers/gpu/drm/drm_rect.c:137
drm_rect_calc_vscale+0x6e/0x78
Modules linked in: drm_rect_test drm_framebuffer_test drm_kunit_helpers
drm_buddy_test drm_buddy kunit ghash_generic gf128mul gcm ccm algif_aead
des_generic libdes ctr cbc ecb algif_skcipher aes_generic libaes cmac
sha3_generic sha512_generic sha1_generic md5 af_packet iwl3945 iwlegacy
mac80211 libarc4 radeon uhci_hcd acpi_cpufreq snd_hda_intel ehci_pci
ehci_hcd snd_intel_dspcfg snd_hda_codec thinkpad_acpi usbcore cfg80211
drm_suballoc_helper drm_ttm_helper ttm snd_hwdep i2c_algo_bit nvram
platform_profile drm_exec sparse_keymap rfkill drm_display_helper
snd_hda_core usb_common video snd_pcm input_leds wmi processor snd_timer
ac backlight joydev evdev battery snd thermal button soundcore
pkcs8_key_parser coretemp hwmon fuse loop dm_mod configfs
CPU: 0 UID: 0 PID: 896 Comm: kunit_try_catch Tainted: G W
N 6.16.0-rc6-P3 #1 PREEMPTLAZY
Tainted: [W]=WARN, [N]=TEST
Hardware name: LENOVO 2007F2G/2007F2G, BIOS 79ETE7WW (2.27 ) 03/21/2011
EIP: drm_rect_calc_vscale+0x6e/0x78
Code: 39 d0 be de ff ff ff 89 c2 0f 4f d6 3b 45 f0 0f 4c d6 85 c0 0f 48
d0 39 cf 0f 44 d0 89 d0 83 c4 04 5e 5f 5b 5d 31 c9 31 d2 c3 <0f> 0b b8
ea ff ff ff eb cd 90 55 89 e5 53 57 56 83 ec 10 8b 32 8b
EAX: ffff0000 EBX: ffff0000 ECX: 00000000 EDX: 7fffffff
ESI: 00010000 EDI: ffff0000 EBP: c7361ec8 ESP: c7361eb8
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010286
CR0: 80050033 CR2: b7c9fcd6 CR3: 01276000 CR4: 000006f0
Call Trace:
drm_test_rect_calc_vscale+0x1e/0x80 [drm_rect_test]
? __switch_to_asm+0x59/0xf0
? __switch_to_asm+0x53/0xf0
kunit_try_run_case+0x70/0x184 [kunit]
? __switch_to_asm+0x2f/0xf0
? schedule+0x52/0x78
? _raw_spin_unlock_irqrestore+0xb/0x2c
kunit_generic_run_threadfn_adapter+0x18/0x2c [kunit]
kthread+0x197/0x1c4
? _raw_spin_unlock_irq+0x8/0x20
? kunit_try_catch_run+0x1c4/0x1c4 [kunit]
? calculate_sigpending+0x2a/0x30
? kthread_blkcg+0x24/0x24
? kthread_blkcg+0x24/0x24
ret_from_fork+0x79/0xcc
ret_from_fork_asm+0x12/0x18
entry_INT80_32+0xf0/0xf0
---[ end trace 0000000000000000 ]---
ok 6 negative dst
# drm_test_rect_calc_vscale: pass:6 fail:0 skip:0 total:6
ok 7 drm_test_rect_calc_vscale
KTAP version 1
# Subtest: drm_test_rect_rotate
ok 1 reflect-x
ok 2 reflect-y
ok 3 rotate-0
ok 4 rotate-90
ok 5 rotate-180
ok 6 rotate-270
# drm_test_rect_rotate: pass:6 fail:0 skip:0 total:6
ok 8 drm_test_rect_rotate
KTAP version 1
# Subtest: drm_test_rect_rotate_inv
ok 1 reflect-x
ok 2 reflect-y
ok 3 rotate-0
ok 4 rotate-90
ok 5 rotate-180
ok 6 rotate-270
# drm_test_rect_rotate_inv: pass:6 fail:0 skip:0 total:6
ok 9 drm_test_rect_rotate_inv
# drm_rect: pass:9 fail:0 skip:0 total:9
# Totals: pass:43 fail:0 skip:0 total:43
ok 1 drm_rect
KTAP version 1
1..1
KTAP version 1
# Subtest: drm_gem_shmem
# module: drm_gem_shmem_test
1..8
ok 1 drm_gem_shmem_test_obj_create
ok 2 drm_gem_shmem_test_obj_create_private
ok 3 drm_gem_shmem_test_pin_pages
ok 4 drm_gem_shmem_test_vmap
------------[ cut here ]------------
drm-kunit-mock-device
drm_gem_shmem_test_get_pages_sgt.drm-kunit-mock-device: [drm]
drm_WARN_ON(refcount_read(&shmem->pages_pin_count))
WARNING: CPU: 0 PID: 937 at drivers/gpu/drm/drm_gem_shmem_helper.c:180
drm_gem_shmem_free+0x16c/0x19c
Modules linked in: drm_gem_shmem_test drm_rect_test drm_framebuffer_test
drm_kunit_helpers drm_buddy_test drm_buddy kunit ghash_generic gf128mul
gcm ccm algif_aead des_generic libdes ctr cbc ecb algif_skcipher
aes_generic libaes cmac sha3_generic sha512_generic sha1_generic md5
af_packet iwl3945 iwlegacy mac80211 libarc4 radeon uhci_hcd acpi_cpufreq
snd_hda_intel ehci_pci ehci_hcd snd_intel_dspcfg snd_hda_codec
thinkpad_acpi usbcore cfg80211 drm_suballoc_helper drm_ttm_helper ttm
snd_hwdep i2c_algo_bit nvram platform_profile drm_exec sparse_keymap
rfkill drm_display_helper snd_hda_core usb_common video snd_pcm
input_leds wmi processor snd_timer ac backlight joydev evdev battery snd
thermal button soundcore pkcs8_key_parser coretemp hwmon fuse loop
dm_mod configfs
CPU: 0 UID: 0 PID: 937 Comm: kunit_try_catch Tainted: G W
N 6.16.0-rc6-P3 #1 PREEMPTLAZY
Tainted: [W]=WARN, [N]=TEST
Hardware name: LENOVO 2007F2G/2007F2G, BIOS 79ETE7WW (2.27 ) 03/21/2011
EIP: drm_gem_shmem_free+0x16c/0x19c
Code: 32 01 00 8b 4e 08 85 c9 74 03 8b 79 08 8b 4f 2c 85 c9 75 02 8b 0f
68 21 b6 7b cc 51 50 68 03 10 7c cc e8 53 4f a4 ff 83 c4 10 <0f> 0b e9
28 ff ff ff 31 c9 8b 51 2c 85 d2 75 02 8b 11 68 4a 1d 80
EAX: 00000000 EBX: c5c23710 ECX: 00000000 EDX: 00000000
ESI: c64f8e00 EDI: c64f9a00 EBP: c7357f08 ESP: c7357f00
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010286
CR0: 80050033 CR2: b644ee20 CR3: 07350000 CR4: 000006f0
Call Trace:
drm_gem_shmem_free_wrapper+0x8/0x3d0 [drm_gem_shmem_test]
__kunit_action_free+0xe/0x14 [kunit]
kunit_remove_resource+0x69/0x9c [kunit]
kunit_cleanup+0x38/0x70 [kunit]
kunit_try_run_case_cleanup+0x2e/0x38 [kunit]
kunit_generic_run_threadfn_adapter+0x18/0x2c [kunit]
kthread+0x197/0x1c4
? _raw_spin_unlock_irq+0x8/0x20
? kunit_try_catch_run+0x1c4/0x1c4 [kunit]
? calculate_sigpending+0x2a/0x30
? kthread_blkcg+0x24/0x24
? kthread_blkcg+0x24/0x24
ret_from_fork+0x79/0xcc
ret_from_fork_asm+0x12/0x18
entry_INT80_32+0xf0/0xf0
---[ end trace 0000000000000000 ]---
ok 5 drm_gem_shmem_test_get_pages_sgt
ok 6 drm_gem_shmem_test_get_sg_table
ok 7 drm_gem_shmem_test_madvise
ok 8 drm_gem_shmem_test_purge
# drm_gem_shmem: pass:8 fail:0 skip:0 total:8
# Totals: pass:8 fail:0 skip:0 total:8
ok 1 drm_gem_shmem
[...]
The other drm_* tests pass (or fail), but without showing these warnings.
Kernel .config attached.
Regards,
Erhard
View attachment "config_616-rc6_p3" of type "text/plain" (134544 bytes)
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