Hi Steve,
On Sun 28 Apr 2019 at 20:09, Steve Longerbeam wrote:
> Switch to sync registration for the IPU internal sub-devices, re-organize
> modules, and a few other miscellaneous cleanups.
FYI,
Just got a run of this series on top of linux-media and got the
bellow trace. I will take a better look this afternoon and let you
know.
---
Cheers,
Rui
7.968206] Unable to handle kernel NULL pointer dereference at virtual
address 00000030
[ 7.976775] pgd = (ptrval)
[ 7.979510] [00000030] *pgd=992f8835, *pte=00000000, *ppte=00000000
[ 7.985876] Internal error: Oops: 17 [#1] SMP ARM
[ 7.990594] Modules linked in: brcmutil imx7_mipi_csis(C+)
imx7_media_csi(C+) imx_media_common(C) ov2680 video_mux v4l2_fwnode mux_mmio
mux_core evbug
[ 8.004114] CPU: 0 PID: 256 Comm: udevd Tainted: G C
5.1.0-rc1-00222-g5e258c299364 #24
[ 8.013341] Hardware name: Freescale i.MX7 Dual (Device Tree)
[ 8.019111] PC is at media_entity_find_link+0x4/0x88
[ 8.024135] LR is at create_of_link+0x78/0xd4 [imx_media_common]
[ 8.030153] pc : [<c0941958>] lr : [<bf03ebfc>] psr: 20010013
[ 8.036430] sp : d92b5bdc ip : 00000001 fp : 00000001
[ 8.041665] r10: bf065098 r9 : 0000001c r8 : d92a2ce8
[ 8.046901] r7 : 00000001 r6 : d9387840 r5 : d9387840 r4 : 00000001
[ 8.053439] r3 : d929e4e0 r2 : 00000001 r1 : d929e4e0 r0 : 00000020
[ 8.059978] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
[ 8.067125] Control: 10c5387d Table: 9923006a DAC: 00000051
[ 8.072882] Process udevd (pid: 256, stack limit = 0x(ptrval))
[ 8.078726] Stack: (0xd92b5bdc to 0xd92b6000)
[ 8.083095] 5bc0:
00000001
[ 8.091290] 5be0: d9387840 bf03ebfc d92b5c14 db3a40c0 db3a09c4 db3a0c08
d9387840 d9352268
[ 8.099483] 5c00: d9352040 c1414948 0000001c bf03ecb0 00000000 db3a09c4
00000001 db3a40c0
[ 8.107677] 5c20: 00000001 3b0988f7 d9387840 d93523b0 d9352268 d9352040
d9352364 bf03e8ec
[ 8.115871] 5c40: d92a2ce8 d93775c0 c14ab278 d92a2d94 00000000 0000001c
bf065098 c0958484
[ 8.124065] 5c60: d92a2ce8 d92b5cc0 d9397300 dadb7810 00000001 bf023164
00000001 bf065098
[ 8.132258] 5c80: dadb7810 d92a2ce8 d92a2ce8 d92a2c40 00000000 dadb7800
dadb7810 c1414948
[ 8.140451] 5ca0: d92a2ce8 00000001 bf0671a4 bf065b6c bf065098 dada61c0
d92a2c40 c3003f28
[ 8.148644] 5cc0: 00000000 3b0988f7 00000000 dadb7810 00000000 bf068014
00000000 00000000
[ 8.156838] 5ce0: bf068014 00000007 c1414948 c07ed148 dadb7810 c1c8c064
c1c8c068 00000000
[ 8.165032] 5d00: 00000000 c07eb070 dadb7810 bf068014 bf068014 c1414948
00000000 c14f0cd4
[ 8.173225] 5d20: c1c6bdec c07eb2bc c1414948 00000000 c14f0cd4 dadb7810
00000000 bf068014
[ 8.181418] 5d40: c1414948 00000000 c14f0cd4 c07eb568 00000000 bf068014
dadb7810 c07eb5c8
[ 8.189613] 5d60: dada0590 bf068014 c07eb570 c07e9414 d93a9300 dad4c0a4
dada0590 3b0988f7
[ 8.197806] 5d80: dad4c0d4 bf068014 d93a9300 c1495f38 00000000 c07ea470
bf0676cc c1414970
[ 8.206000] 5da0: c1414948 bf068014 c1414970 c1414948 bf06b000 c07ec248
c14f20e0 c1414970
[ 8.214194] 5dc0: c1414948 c0103078 c024f1b0 c018e6b0 00000000 3b0988f7
c1415078 d93cbd00
[ 8.222388] 5de0: 00000cc0 dac01e00 c1414970 000058da d93cbd40 c01ab5f4
c14f0eba c02a6e10
[ 8.230582] 5e00: c01e0b00 d93c1700 c01de6e4 0000000c 19fe0000 3b0988f7
bf068080 c14f2798
[ 8.238775] 5e20: d93cbd00 00000001 d93cbc70 bf068080 c1c6bdec c01de720
d93cbc70 bf068080
[ 8.246969] 5e40: c14f0dd6 c14f2798 c1414970 c01e0b4c bf06808c 00007fff
bf068080 c01dd8dc
[ 8.255162] 5e60: 00000000 bf0680c8 c0e048d4 bf0681f0 bf068080 bf0681d4
c0e048b4 bf06829c
[ 8.263356] 5e80: bf000000 c10bc9bc 00000001 00000000 c11c139c c11aec30
00000000 00000000
[ 8.271548] 5ea0: 00000000 00000000 00000000 00000000 6e72656b 00006c65
00000000 00000000
[ 8.279740] 5ec0: 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000
[ 8.287933] 5ee0: 00000000 00000000 00000000 3b0988f7 7fffffff c1414948
00000000 00000009
[ 8.296126] 5f00: b6ede824 7fffffff 00000000 0000017b 00000000 c01e10d0
7fffffff 00000000
[ 8.304319] 5f20: 00000003 00000001 00000000 deb38000 000053b4 00000000
deb398c1 deb3ad00
[ 8.312512] 5f40: deb38000 000053b4 deb3cd9c deb3cbf4 deb3bb14 00004000
000044d0 00000000
[ 8.320705] 5f60: 00000000 00000000 000024d0 00000024 00000025 0000001e
0000001b 00000018
[ 8.328898] 5f80: 00000000 3b0988f7 0000002a 00000000 00000001 00000000
0000017b c01011c4
[ 8.337091] 5fa0: d92b4000 c0101000 00000000 00000001 00000009 b6ede824
00000000 00067098
[ 8.345284] 5fc0: 00000000 00000001 00000000 0000017b 00000000 00034708
0005cd80 00000000
[ 8.353477] 5fe0: becf78a8 becf7898 b6ed6e04 b6e70e52 60010030 00000009
00000000 00000000
[ 8.361696] [<c0941958>] (media_entity_find_link) from [<bf03ebfc>]
(create_of_link+0x78/0xd4 [imx_media_common])
[ 8.372014] [<bf03ebfc>] (create_of_link [imx_media_common]) from
[<bf03ecb0>] (imx_media_create_of_links+0x58/0xac [imx_media_common])
[ 8.384241] [<bf03ecb0>] (imx_media_create_of_links [imx_media_common]) from
[<bf03e8ec>] (imx_media_probe_complete+0x58/0x1b8 [imx_media_common])
[ 8.397414] [<bf03e8ec>] (imx_media_probe_complete [imx_media_common]) from
[<c0958484>] (v4l2_async_register_subdev+0xe8/0x1c4)
[ 8.409011] [<c0958484>] (v4l2_async_register_subdev) from [<bf023164>]
(v4l2_async_register_fwnode_subdev+0x114/0xfb0 [v4l2_fwnode])
[ 8.421051] [<bf023164>] (v4l2_async_register_fwnode_subdev [v4l2_fwnode])
from [<bf065b6c>] (mipi_csis_probe+0x2e0/0x514 [imx7_mipi_csis])
[ 8.433604] [<bf065b6c>] (mipi_csis_probe [imx7_mipi_csis]) from
[<c07ed148>] (platform_drv_probe+0x48/0x98)
[ 8.443451] [<c07ed148>] (platform_drv_probe) from [<c07eb070>]
(really_probe+0x1dc/0x2cc)
[ 8.451734] [<c07eb070>] (really_probe) from [<c07eb2bc>]
(driver_probe_device+0x5c/0x160)
[ 8.460016] [<c07eb2bc>] (driver_probe_device) from [<c07eb568>]
(device_driver_attach+0x58/0x60)
[ 8.468906] [<c07eb568>] (device_driver_attach) from [<c07eb5c8>]
(__driver_attach+0x58/0xd0)
[ 8.477449] [<c07eb5c8>] (__driver_attach) from [<c07e9414>]
(bus_for_each_dev+0x70/0xb4)
[ 8.485644] [<c07e9414>] (bus_for_each_dev) from [<c07ea470>]
(bus_add_driver+0x198/0x1d0)
[ 8.493926] [<c07ea470>] (bus_add_driver) from [<c07ec248>]
(driver_register+0x74/0x108)
[ 8.502039] [<c07ec248>] (driver_register) from [<c0103078>]
(do_one_initcall+0x80/0x31c)
[ 8.510237] [<c0103078>] (do_one_initcall) from [<c01de720>]
(do_init_module+0x5c/0x1f4)
[ 8.518347] [<c01de720>] (do_init_module) from [<c01e0b4c>]
(load_module+0x222c/0x255c)
[ 8.526368] [<c01e0b4c>] (load_module) from [<c01e10d0>]
(sys_finit_module+0xbc/0xdc)
[ 8.534217] [<c01e10d0>] (sys_finit_module) from [<c0101000>]
(ret_fast_syscall+0x0/0x28)
[ 8.542405] Exception stack(0xd92b5fa8 to 0xd92b5ff0)
[ 8.547471] 5fa0: 00000000 00000001 00000009 b6ede824
00000000 00067098
[ 8.555664] 5fc0: 00000000 00000001 00000000 0000017b 00000000 00034708
0005cd80 00000000
[ 8.563854] 5fe0: becf78a8 becf7898 b6ed6e04 b6e70e52
[ 8.568922] Code: e3e04015 eaffffd1 fffffdfd e92d4030 (e5904010)
[ 8.575093] ---[ end trace 04afa547993602ba ]---
>
> History:
> v2:
> - Added a patch that improves the pipeline upstream/downstream search
> functions, which no longer require the media device.
> - Add a patch to remove getting media device from v4l2_dev driver data.
>
> Steve Longerbeam (8):
> media: staging/imx: Switch to sync registration for IPU subdevs
> media: staging/imx: Pass device to alloc/free_dma_buf
> media: staging/imx: Move add_video_device into capture_device_register
> Revert "media: imx: Set capture compose rectangle in
> capture_device_set_format"
> media: staging/imx: Remove capture_device_set_format
> media: staging/imx: Re-organize modules
> media: staging/imx: Improve pipeline searching
> media: staging/imx: Don't set driver data for v4l2_dev
>
> drivers/staging/media/imx/Makefile | 18 +-
> drivers/staging/media/imx/imx-ic-common.c | 68 +--
> drivers/staging/media/imx/imx-ic-prp.c | 36 +-
> drivers/staging/media/imx/imx-ic-prpencvf.c | 88 ++--
> drivers/staging/media/imx/imx-ic.h | 6 +-
> drivers/staging/media/imx/imx-media-capture.c | 75 ++-
> drivers/staging/media/imx/imx-media-csi.c | 45 +-
> .../staging/media/imx/imx-media-dev-common.c | 346 +++++++++++++-
> drivers/staging/media/imx/imx-media-dev.c | 449 +-----------------
> drivers/staging/media/imx/imx-media-fim.c | 9 -
> .../staging/media/imx/imx-media-internal-sd.c | 357 ++++++--------
> drivers/staging/media/imx/imx-media-of.c | 41 +-
> drivers/staging/media/imx/imx-media-utils.c | 170 +++----
> drivers/staging/media/imx/imx-media-vdic.c | 84 +---
> drivers/staging/media/imx/imx-media.h | 113 +++--
> drivers/staging/media/imx/imx7-media-csi.c | 43 +-
> 16 files changed, 848 insertions(+), 1100 deletions(-)
