Hi Hans,
2014-10-21 15:27 GMT+02:00 Hans Verkuil <hverkuil@xxxxxxxxx>:
>
>
> On 10/21/2014 03:16 PM, Jean-Michel Hautbois wrote:
>>
>> Hi,
>>
>> I am trying to use the CODA960 driver on a 3.18 kernel.
>> It seems pretty good when the module is probed (appart from the
>> unsupported firmware version) but when I try using the encoder, it
>> fails allocating dma buffers.
>>
>> Here is the DT part I added :
>> &vpu {
>> compatible = "fsl,imx6q-vpu";
>> clocks = <&clks 168>, <&clks 140>, <&clks 142>;
>> clock-names = "per", "ahb", "ocram";
>> iramsize = <0x21000>;
>> iram = <&ocram>;
>> resets = <&src 1>;
>> status = "okay";
>> };
>>
>> When booting, I see :
>> [ 4.410645] coda 2040000.vpu: Firmware code revision: 46056
>> [ 4.416312] coda 2040000.vpu: Initialized CODA960.
>> [ 4.421123] coda 2040000.vpu: Unsupported firmware version: 3.1.1
>> [ 4.483577] coda 2040000.vpu: codec registered as /dev/video[0-1]
>>
>> I can start v4l2-ctl and it shows that the device seems to be ok :
>> v4l2-ctl --all -d /dev/video1
>> Driver Info (not using libv4l2):
>> Driver name : coda
>> Card type : CODA960
>> Bus info : platform:coda
>> Driver version: 3.18.0
>> Capabilities : 0x84208000
>> Video Memory-to-Memory
>> Streaming
>> Extended Pix Format
>> Device Capabilities
>> Device Caps : 0x04208000
>> Video Memory-to-Memory
>> Streaming
>> Extended Pix Format
>> Priority: 2
>> Format Video Capture:
>> Width/Height : 1920/1088
>> Pixel Format : 'YU12'
>> Field : None
>> Bytes per Line: 1920
>> Size Image : 3133440
>> Colorspace : HDTV and modern devices (ITU709)
>> Flags :
>> Format Video Output:
>> Width/Height : 1920/1088
>> Pixel Format : 'H264'
>> Field : None
>> Bytes per Line: 0
>> Size Image : 1048576
>> Colorspace : HDTV and modern devices (ITU709)
>> Flags :
>> Selection: compose, Left 0, Top 0, Width 1920, Height 1088
>> Selection: compose_default, Left 0, Top 0, Width 1920, Height 1088
>> Selection: compose_bounds, Left 0, Top 0, Width 1920, Height 1088
>> Selection: compose_padded, Left 0, Top 0, Width 1920, Height 1088
>> Selection: crop, Left 0, Top 0, Width 1920, Height 1088
>> Selection: crop_default, Left 0, Top 0, Width 1920, Height 1088
>> Selection: crop_bounds, Left 0, Top 0, Width 1920, Height 1088
>>
>> User Controls
>>
>> horizontal_flip (bool) : default=0 value=0
>> vertical_flip (bool) : default=0 value=0
>>
>> Codec Controls
>>
>> video_gop_size (int) : min=1 max=60 step=1
>> default=16 value=16
>> video_bitrate (int) : min=0 max=32767000 step=1
>> default=0 value=0
>> number_of_intra_refresh_mbs (int) : min=0 max=8160 step=1
>> default=0 value=0
>> sequence_header_mode (menu) : min=0 max=1 default=1 value=1
>> maximum_bytes_in_a_slice (int) : min=1 max=1073741823 step=1
>> default=500 value=500
>> number_of_mbs_in_a_slice (int) : min=1 max=1073741823 step=1
>> default=1 value=1
>> slice_partitioning_method (menu) : min=0 max=2 default=0 value=0
>> h264_i_frame_qp_value (int) : min=0 max=51 step=1
>> default=25 value=25
>> h264_p_frame_qp_value (int) : min=0 max=51 step=1
>> default=25 value=25
>> h264_maximum_qp_value (int) : min=0 max=51 step=1
>> default=51 value=51
>> h264_loop_filter_alpha_offset (int) : min=0 max=15 step=1 default=0
>> value=0
>> h264_loop_filter_beta_offset (int) : min=0 max=15 step=1 default=0
>> value=0
>> h264_loop_filter_mode (menu) : min=0 max=1 default=0 value=0
>> mpeg4_i_frame_qp_value (int) : min=1 max=31 step=1 default=2
>> value=2
>> mpeg4_p_frame_qp_value (int) : min=1 max=31 step=1 default=2
>> value=2
>> horizontal_flip (bool) : default=0 value=0
>> vertical_flip (bool) : default=0 value=0
>>
>>
>>
>>
>> But when I try to get a file outputed, it fails :
>>
>> v4l2-ctl -d1 --stream-out-mmap --stream-mmap --stream-to x.raw
>> [ 1197.292256] coda 2040000.vpu: dma_alloc_coherent of size 1048576 failed
>> VIDIOC_REQBUFS: failed: Cannot allocate memory
>>
>> Did I forget to do something ?
>
>
> I assume this is physically contiguous memory. Do you have that much phys.
> cont. memory
> available at all? If the memory is fragmented you won't be able to get it.
>
> Use cma (contiguous memory allocator). You probably have to do very little
> expect add
> a kernel option to assign enough memory for these buffers.
I added a cma=128M in order to reserve some meory, and it fails...
well, differently :).
~# v4l2-ctl -d1 --stream-out-mmap --stream-mmap --stream-to x.raw
[ 56.372023] alloc_contig_range test_pages_isolated(48400, 486fd) failed
[ 56.459627] ------------[ cut here ]------------
[ 56.464273] WARNING: CPU: 1 PID: 838 at
drivers/media/v4l2-core/videobuf2-core.c:1181
vb2_buffer_done+0x120/0x158()
[ 56.474750] Modules linked in: snd_soc_sgtl5000 coda v4l2_mem2mem
[ 56.480920] CPU: 1 PID: 838 Comm: v4l2-ctl Not tainted
3.18.0-rc1+yocto+gc943ff8 #1
[ 56.488597] Backtrace:
[ 56.491085] [<800130c0>] (dump_backtrace) from [<800133a0>]
(show_stack+0x18/0x1c)
[ 56.498677] r6:80ace2cc r5:00000000 r4:00000000 r3:00000000
[ 56.504422] [<80013388>] (show_stack) from [<806cf624>]
(dump_stack+0x8c/0xa4)
[ 56.511680] [<806cf598>] (dump_stack) from [<8002b870>]
(warn_slowpath_common+0x70/0x94)
[ 56.519807] r6:804c9554 r5:00000009 r4:00000000 r3:00000000
[ 56.525563] [<8002b800>] (warn_slowpath_common) from [<8002b938>]
(warn_slowpath_null+0x24/0x2c)
[ 56.534351] r8:00000000 r7:b6a305e0 r6:b6a305e0 r5:b6a31800 r4:b56cb800
[ 56.541166] [<8002b914>] (warn_slowpath_null) from [<804c9554>]
(vb2_buffer_done+0x120/0x158)
[ 56.549732] [<804c9434>] (vb2_buffer_done) from [<7f009efc>]
(coda_start_streaming+0x100/0x1b0 [coda])
[ 56.559058] r8:00000012 r7:b56cbb18 r6:b6a305e0 r5:ffffffea
r4:b56cb800 r3:00000002
[ 56.566913] [<7f009dfc>] (coda_start_streaming [coda]) from
[<804c95f0>] (vb2_start_streaming+0x64/0x160)
[ 56.576498] r7:b729a420 r6:b6a305e0 r5:b6a306e0 r4:b6a304b0
[ 56.582237] [<804c958c>] (vb2_start_streaming) from [<804cb9cc>]
(vb2_internal_streamon+0xf4/0x150)
[ 56.591312] r7:b729a420 r6:40045612 r5:b6a30400 r4:b6a305e0
[ 56.597072] [<804cb8d8>] (vb2_internal_streamon) from [<804cba5c>]
(vb2_streamon+0x34/0x58)
[ 56.605442] r5:b6a30400 r4:00000002
[ 56.609074] [<804cba28>] (vb2_streamon) from [<7f0007d4>]
(v4l2_m2m_streamon+0x28/0x40 [v4l2_mem2mem])
[ 56.618417] [<7f0007ac>] (v4l2_m2m_streamon [v4l2_mem2mem]) from
[<7f000804>] (v4l2_m2m_ioctl_streamon+0x18/0x1c [v4l2_mem2mem])
[ 56.630003] r5:00000001 r4:b56cb9d8
[ 56.633631] [<7f0007ec>] (v4l2_m2m_ioctl_streamon [v4l2_mem2mem])
from [<804b5214>] (v4l_streamon+0x20/0x24)
[ 56.643487] [<804b51f4>] (v4l_streamon) from [<804b7c5c>]
(__video_do_ioctl+0x280/0x2fc)
[ 56.651610] [<804b79dc>] (__video_do_ioctl) from [<804b7690>]
(video_usercopy+0x168/0x498)
[ 56.659895] r10:804b79dc r9:7e8655b4 r8:b638d780 r7:00000000
r6:b61a1e18 r5:00000004
[ 56.667825] r4:40045612
[ 56.670388] [<804b7528>] (video_usercopy) from [<804b79d4>]
(video_ioctl2+0x14/0x1c)
[ 56.678149] r10:00000000 r9:b61a0000 r8:b729a80c r7:b638d780
r6:7e8655b4 r5:40045612
[ 56.686077] r4:b729a420
[ 56.688638] [<804b79c0>] (video_ioctl2) from [<804b3b8c>]
(v4l2_ioctl+0x14c/0x174)
[ 56.696240] [<804b3a40>] (v4l2_ioctl) from [<8010a6a4>]
(do_vfs_ioctl+0x408/0x664)
[ 56.703819] r8:00000003 r7:8010a93c r6:b638d780 r5:7e8655b4
r4:b698cf90 r3:804b3a40
[ 56.711689] [<8010a29c>] (do_vfs_ioctl) from [<8010a93c>]
(SyS_ioctl+0x3c/0x64)
[ 56.719018] r10:00000000 r9:b61a0000 r8:00000003 r7:40045612
r6:b638d780 r5:7e8655b4
[ 56.726949] r4:b638d780
[ 56.729513] [<8010a900>] (SyS_ioctl) from [<8000f740>]
(ret_fast_syscall+0x0/0x48)
[ 56.737104] r8:8000f904 r7:00000036 r6:0003eb78 r5:000330f0
r4:7e8619c8 r3:00000000
[ 56.744946] ---[ end trace efcf1fd10e10c970 ]---
[ 56.749753] ------------[ cut here ]------------
[ 56.754389] WARNING: CPU: 1 PID: 838 at
drivers/media/v4l2-core/videobuf2-core.c:1181
vb2_buffer_done+0x120/0x158()
[ 56.764849] Modules linked in: snd_soc_sgtl5000 coda v4l2_mem2mem
[ 56.771021] CPU: 1 PID: 838 Comm: v4l2-ctl Tainted: G W
3.18.0-rc1+yocto+gc943ff8 #1
[ 56.779834] Backtrace:
[ 56.782318] [<800130c0>] (dump_backtrace) from [<800133a0>]
(show_stack+0x18/0x1c)
[ 56.789912] r6:80ace2cc r5:00000000 r4:00000000 r3:00000000
[ 56.795665] [<80013388>] (show_stack) from [<806cf624>]
(dump_stack+0x8c/0xa4)
[ 56.802905] [<806cf598>] (dump_stack) from [<8002b870>]
(warn_slowpath_common+0x70/0x94)
[ 56.811016] r6:804c9554 r5:00000009 r4:00000000 r3:00000000
[ 56.816768] [<8002b800>] (warn_slowpath_common) from [<8002b938>]
(warn_slowpath_null+0x24/0x2c)
[ 56.825572] r8:00000000 r7:b6a305e0 r6:b6a305e0 r5:b54d9800 r4:b56cb800
[ 56.832370] [<8002b914>] (warn_slowpath_null) from [<804c9554>]
(vb2_buffer_done+0x120/0x158)
[ 56.840934] [<804c9434>] (vb2_buffer_done) from [<7f009efc>]
(coda_start_streaming+0x100/0x1b0 [coda])
[ 56.850263] r8:00000012 r7:b56cbb18 r6:b6a305e0 r5:ffffffea
r4:b56cb800 r3:00000002
[ 56.858123] [<7f009dfc>] (coda_start_streaming [coda]) from
[<804c95f0>] (vb2_start_streaming+0x64/0x160)
[ 56.867708] r7:b729a420 r6:b6a305e0 r5:b6a306e0 r4:b6a304b0
[ 56.873445] [<804c958c>] (vb2_start_streaming) from [<804cb9cc>]
(vb2_internal_streamon+0xf4/0x150)
[ 56.882511] r7:b729a420 r6:40045612 r5:b6a30400 r4:b6a305e0
[ 56.888261] [<804cb8d8>] (vb2_internal_streamon) from [<804cba5c>]
(vb2_streamon+0x34/0x58)
[ 56.896629] r5:b6a30400 r4:00000002
[ 56.900261] [<804cba28>] (vb2_streamon) from [<7f0007d4>]
(v4l2_m2m_streamon+0x28/0x40 [v4l2_mem2mem])
[ 56.909606] [<7f0007ac>] (v4l2_m2m_streamon [v4l2_mem2mem]) from
[<7f000804>] (v4l2_m2m_ioctl_streamon+0x18/0x1c [v4l2_mem2mem])
[ 56.921189] r5:00000001 r4:b56cb9d8
[ 56.924830] [<7f0007ec>] (v4l2_m2m_ioctl_streamon [v4l2_mem2mem])
from [<804b5214>] (v4l_streamon+0x20/0x24)
[ 56.934676] [<804b51f4>] (v4l_streamon) from [<804b7c5c>]
(__video_do_ioctl+0x280/0x2fc)
[ 56.942797] [<804b79dc>] (__video_do_ioctl) from [<804b7690>]
(video_usercopy+0x168/0x498)
[ 56.951077] r10:804b79dc r9:7e8655b4 r8:b638d780 r7:00000000
r6:b61a1e18 r5:00000004
[ 56.959015] r4:40045612
[ 56.961574] [<804b7528>] (video_usercopy) from [<804b79d4>]
(video_ioctl2+0x14/0x1c)
[ 56.969337] r10:00000000 r9:b61a0000 r8:b729a80c r7:b638d780
r6:7e8655b4 r5:40045612
[ 56.977266] r4:b729a420
[ 56.979829] [<804b79c0>] (video_ioctl2) from [<804b3b8c>]
(v4l2_ioctl+0x14c/0x174)
[ 56.987432] [<804b3a40>] (v4l2_ioctl) from [<8010a6a4>]
(do_vfs_ioctl+0x408/0x664)
[ 56.995024] r8:00000003 r7:8010a93c r6:b638d780 r5:7e8655b4
r4:b698cf90 r3:804b3a40
[ 57.002860] [<8010a29c>] (do_vfs_ioctl) from [<8010a93c>]
(SyS_ioctl+0x3c/0x64)
[ 57.010187] r10:00000000 r9:b61a0000 r8:00000003 r7:40045612
r6:b638d780 r5:7e8655b4
[ 57.018121] r4:b638d780
[ 57.020685] [<8010a900>] (SyS_ioctl) from [<8000f740>]
(ret_fast_syscall+0x0/0x48)
[ 57.028273] r8:8000f904 r7:00000036 r6:0003eb78 r5:000330f0
r4:7e8619c8 r3:00000000
[ 57.036142] ---[ end trace efcf1fd10e10c971 ]---
[ 57.040770] ------------[ cut here ]------------
[ 57.045418] WARNING: CPU: 1 PID: 838 at
drivers/media/v4l2-core/videobuf2-core.c:1181
vb2_buffer_done+0x120/0x158()
[ 57.055873] Modules linked in: snd_soc_sgtl5000 coda v4l2_mem2mem
[ 57.062041] CPU: 1 PID: 838 Comm: v4l2-ctl Tainted: G W
3.18.0-rc1+yocto+gc943ff8 #1
[ 57.070844] Backtrace:
[ 57.073323] [<800130c0>] (dump_backtrace) from [<800133a0>]
(show_stack+0x18/0x1c)
[ 57.080912] r6:80ace2cc r5:00000000 r4:00000000 r3:00000000
[ 57.086664] [<80013388>] (show_stack) from [<806cf624>]
(dump_stack+0x8c/0xa4)
[ 57.093903] [<806cf598>] (dump_stack) from [<8002b870>]
(warn_slowpath_common+0x70/0x94)
[ 57.102014] r6:804c9554 r5:00000009 r4:00000000 r3:00000000
[ 57.107762] [<8002b800>] (warn_slowpath_common) from [<8002b938>]
(warn_slowpath_null+0x24/0x2c)
[ 57.116564] r8:00000000 r7:b6a305e0 r6:b6a305e0 r5:b54d8c00 r4:b56cb800
[ 57.123360] [<8002b914>] (warn_slowpath_null) from [<804c9554>]
(vb2_buffer_done+0x120/0x158)
[ 57.131920] [<804c9434>] (vb2_buffer_done) from [<7f009efc>]
(coda_start_streaming+0x100/0x1b0 [coda])
[ 57.141250] r8:00000012 r7:b56cbb18 r6:b6a305e0 r5:ffffffea
r4:b56cb800 r3:00000002
[ 57.149126] [<7f009dfc>] (coda_start_streaming [coda]) from
[<804c95f0>] (vb2_start_streaming+0x64/0x160)
[ 57.158716] r7:b729a420 r6:b6a305e0 r5:b6a306e0 r4:b6a304b0
[ 57.164459] [<804c958c>] (vb2_start_streaming) from [<804cb9cc>]
(vb2_internal_streamon+0xf4/0x150)
[ 57.173529] r7:b729a420 r6:40045612 r5:b6a30400 r4:b6a305e0
[ 57.179280] [<804cb8d8>] (vb2_internal_streamon) from [<804cba5c>]
(vb2_streamon+0x34/0x58)
[ 57.187654] r5:b6a30400 r4:00000002
[ 57.191288] [<804cba28>] (vb2_streamon) from [<7f0007d4>]
(v4l2_m2m_streamon+0x28/0x40 [v4l2_mem2mem])
[ 57.200631] [<7f0007ac>] (v4l2_m2m_streamon [v4l2_mem2mem]) from
[<7f000804>] (v4l2_m2m_ioctl_streamon+0x18/0x1c [v4l2_mem2mem])
[ 57.212224] r5:00000001 r4:b56cb9d8
[ 57.215870] [<7f0007ec>] (v4l2_m2m_ioctl_streamon [v4l2_mem2mem])
from [<804b5214>] (v4l_streamon+0x20/0x24)
[ 57.225728] [<804b51f4>] (v4l_streamon) from [<804b7c5c>]
(__video_do_ioctl+0x280/0x2fc)
[ 57.233836] [<804b79dc>] (__video_do_ioctl) from [<804b7690>]
(video_usercopy+0x168/0x498)
[ 57.242119] r10:804b79dc r9:7e8655b4 r8:b638d780 r7:00000000
r6:b61a1e18 r5:00000004
[ 57.250047] r4:40045612
[ 57.252609] [<804b7528>] (video_usercopy) from [<804b79d4>]
(video_ioctl2+0x14/0x1c)
[ 57.260371] r10:00000000 r9:b61a0000 r8:b729a80c r7:b638d780
r6:7e8655b4 r5:40045612
[ 57.268306] r4:b729a420
[ 57.270866] [<804b79c0>] (video_ioctl2) from [<804b3b8c>]
(v4l2_ioctl+0x14c/0x174)
[ 57.278468] [<804b3a40>] (v4l2_ioctl) from [<8010a6a4>]
(do_vfs_ioctl+0x408/0x664)
[ 57.286054] r8:00000003 r7:8010a93c r6:b638d780 r5:7e8655b4
r4:b698cf90 r3:804b3a40
[ 57.293892] [<8010a29c>] (do_vfs_ioctl) from [<8010a93c>]
(SyS_ioctl+0x3c/0x64)
[ 57.301225] r10:00000000 r9:b61a0000 r8:00000003 r7:40045612
r6:b638d780 r5:7e8655b4
[ 57.309164] r4:b638d780
[ 57.311730] [<8010a900>] (SyS_ioctl) from [<8000f740>]
(ret_fast_syscall+0x0/0x48)
[ 57.319320] r8:8000f904 r7:00000036 r6:0003eb78 r5:000330f0
r4:7e8619c8 r3:00000000
[ 57.327166] ---[ end trace efcf1fd10e10c972 ]---
[ 57.331795] ------------[ cut here ]------------
[ 57.336443] WARNING: CPU: 1 PID: 838 at
drivers/media/v4l2-core/videobuf2-core.c:1181
vb2_buffer_done+0x120/0x158()
[ 57.346899] Modules linked in: snd_soc_sgtl5000 coda v4l2_mem2mem
[ 57.353070] CPU: 1 PID: 838 Comm: v4l2-ctl Tainted: G W
3.18.0-rc1+yocto+gc943ff8 #1
[ 57.361874] Backtrace:
[ 57.364356] [<800130c0>] (dump_backtrace) from [<800133a0>]
(show_stack+0x18/0x1c)
[ 57.371945] r6:80ace2cc r5:00000000 r4:00000000 r3:00000000
[ 57.377705] [<80013388>] (show_stack) from [<806cf624>]
(dump_stack+0x8c/0xa4)
[ 57.384965] [<806cf598>] (dump_stack) from [<8002b870>]
(warn_slowpath_common+0x70/0x94)
[ 57.393066] r6:804c9554 r5:00000009 r4:00000000 r3:00000000
[ 57.398818] [<8002b800>] (warn_slowpath_common) from [<8002b938>]
(warn_slowpath_null+0x24/0x2c)
[ 57.407622] r8:00000000 r7:b6a305e0 r6:b6a305e0 r5:b54db400 r4:b56cb800
[ 57.414419] [<8002b914>] (warn_slowpath_null) from [<804c9554>]
(vb2_buffer_done+0x120/0x158)
[ 57.422985] [<804c9434>] (vb2_buffer_done) from [<7f009efc>]
(coda_start_streaming+0x100/0x1b0 [coda])
[ 57.432318] r8:00000012 r7:b56cbb18 r6:b6a305e0 r5:ffffffea
r4:b56cb800 r3:00000002
[ 57.440179] [<7f009dfc>] (coda_start_streaming [coda]) from
[<804c95f0>] (vb2_start_streaming+0x64/0x160)
[ 57.449765] r7:b729a420 r6:b6a305e0 r5:b6a306e0 r4:b6a304b0
[ 57.455519] [<804c958c>] (vb2_start_streaming) from [<804cb9cc>]
(vb2_internal_streamon+0xf4/0x150)
[ 57.464568] r7:b729a420 r6:40045612 r5:b6a30400 r4:b6a305e0
[ 57.470325] [<804cb8d8>] (vb2_internal_streamon) from [<804cba5c>]
(vb2_streamon+0x34/0x58)
[ 57.478697] r5:b6a30400 r4:00000002
[ 57.482328] [<804cba28>] (vb2_streamon) from [<7f0007d4>]
(v4l2_m2m_streamon+0x28/0x40 [v4l2_mem2mem])
[ 57.491669] [<7f0007ac>] (v4l2_m2m_streamon [v4l2_mem2mem]) from
[<7f000804>] (v4l2_m2m_ioctl_streamon+0x18/0x1c [v4l2_mem2mem])
[ 57.503257] r5:00000001 r4:b56cb9d8
[ 57.506898] [<7f0007ec>] (v4l2_m2m_ioctl_streamon [v4l2_mem2mem])
from [<804b5214>] (v4l_streamon+0x20/0x24)
[ 57.516754] [<804b51f4>] (v4l_streamon) from [<804b7c5c>]
(__video_do_ioctl+0x280/0x2fc)
[ 57.524876] [<804b79dc>] (__video_do_ioctl) from [<804b7690>]
(video_usercopy+0x168/0x498)
[ 57.533146] r10:804b79dc r9:7e8655b4 r8:b638d780 r7:00000000
r6:b61a1e18 r5:00000004
[ 57.541078] r4:40045612
[ 57.543637] [<804b7528>] (video_usercopy) from [<804b79d4>]
(video_ioctl2+0x14/0x1c)
[ 57.551398] r10:00000000 r9:b61a0000 r8:b729a80c r7:b638d780
r6:7e8655b4 r5:40045612
[ 57.559333] r4:b729a420
[ 57.561894] [<804b79c0>] (video_ioctl2) from [<804b3b8c>]
(v4l2_ioctl+0x14c/0x174)
[ 57.569495] [<804b3a40>] (v4l2_ioctl) from [<8010a6a4>]
(do_vfs_ioctl+0x408/0x664)
[ 57.577084] r8:00000003 r7:8010a93c r6:b638d780 r5:7e8655b4
r4:b698cf90 r3:804b3a40
[ 57.584939] [<8010a29c>] (do_vfs_ioctl) from [<8010a93c>]
(SyS_ioctl+0x3c/0x64)
[ 57.592258] r10:00000000 r9:b61a0000 r8:00000003 r7:40045612
r6:b638d780 r5:7e8655b4
[ 57.600192] r4:b638d780
[ 57.602758] [<8010a900>] (SyS_ioctl) from [<8000f740>]
(ret_fast_syscall+0x0/0x48)
[ 57.610346] r8:8000f904 r7:00000036 r6:0003eb78 r5:000330f0
r4:7e8619c8 r3:00000000
[ 57.618191] ---[ end trace efcf1fd10e10c973 ]---
[ 57.622820] ------------[ cut here ]------------
[ 57.627467] WARNING: CPU: 1 PID: 838 at
drivers/media/v4l2-core/videobuf2-core.c:1781
vb2_start_streaming+0xc0/0x160()
[ 57.638184] Modules linked in: snd_soc_sgtl5000 coda v4l2_mem2mem
[ 57.644355] CPU: 1 PID: 838 Comm: v4l2-ctl Tainted: G W
3.18.0-rc1+yocto+gc943ff8 #1
[ 57.653159] Backtrace:
[ 57.655650] [<800130c0>] (dump_backtrace) from [<800133a0>]
(show_stack+0x18/0x1c)
[ 57.663222] r6:80ace2cc r5:00000000 r4:00000000 r3:00000000
[ 57.668979] [<80013388>] (show_stack) from [<806cf624>]
(dump_stack+0x8c/0xa4)
[ 57.676233] [<806cf598>] (dump_stack) from [<8002b870>]
(warn_slowpath_common+0x70/0x94)
[ 57.684333] r6:804c964c r5:00000009 r4:00000000 r3:00000000
[ 57.690097] [<8002b800>] (warn_slowpath_common) from [<8002b938>]
(warn_slowpath_null+0x24/0x2c)
[ 57.698901] r8:00000012 r7:ffffffea r6:b6a306f0 r5:b6a306e0 r4:b6a304b0
[ 57.705715] [<8002b914>] (warn_slowpath_null) from [<804c964c>]
(vb2_start_streaming+0xc0/0x160)
[ 57.714513] [<804c958c>] (vb2_start_streaming) from [<804cb9cc>]
(vb2_internal_streamon+0xf4/0x150)
[ 57.723578] r7:b729a420 r6:40045612 r5:b6a30400 r4:b6a305e0
[ 57.729325] [<804cb8d8>] (vb2_internal_streamon) from [<804cba5c>]
(vb2_streamon+0x34/0x58)
[ 57.737694] r5:b6a30400 r4:00000002
[ 57.741321] [<804cba28>] (vb2_streamon) from [<7f0007d4>]
(v4l2_m2m_streamon+0x28/0x40 [v4l2_mem2mem])
[ 57.750660] [<7f0007ac>] (v4l2_m2m_streamon [v4l2_mem2mem]) from
[<7f000804>] (v4l2_m2m_ioctl_streamon+0x18/0x1c [v4l2_mem2mem])
[ 57.762244] r5:00000001 r4:b56cb9d8
[ 57.765886] [<7f0007ec>] (v4l2_m2m_ioctl_streamon [v4l2_mem2mem])
from [<804b5214>] (v4l_streamon+0x20/0x24)
[ 57.775741] [<804b51f4>] (v4l_streamon) from [<804b7c5c>]
(__video_do_ioctl+0x280/0x2fc)
[ 57.783844] [<804b79dc>] (__video_do_ioctl) from [<804b7690>]
(video_usercopy+0x168/0x498)
[ 57.792131] r10:804b79dc r9:7e8655b4 r8:b638d780 r7:00000000
r6:b61a1e18 r5:00000004
[ 57.800060] r4:40045612
[ 57.802621] [<804b7528>] (video_usercopy) from [<804b79d4>]
(video_ioctl2+0x14/0x1c)
[ 57.810384] r10:00000000 r9:b61a0000 r8:b729a80c r7:b638d780
r6:7e8655b4 r5:40045612
[ 57.818316] r4:b729a420
[ 57.820876] [<804b79c0>] (video_ioctl2) from [<804b3b8c>]
(v4l2_ioctl+0x14c/0x174)
[ 57.828473] [<804b3a40>] (v4l2_ioctl) from [<8010a6a4>]
(do_vfs_ioctl+0x408/0x664)
[ 57.836063] r8:00000003 r7:8010a93c r6:b638d780 r5:7e8655b4
r4:b698cf90 r3:804b3a40
[ 57.843898] [<8010a29c>] (do_vfs_ioctl) from [<8010a93c>]
(SyS_ioctl+0x3c/0x64)
[ 57.851227] r10:00000000 r9:b61a0000 r8:00000003 r7:40045612
r6:b638d780 r5:7e8655b4
[ 57.859160] r4:b638d780
[ 57.861723] [<8010a900>] (SyS_ioctl) from [<8000f740>]
(ret_fast_syscall+0x0/0x48)
[ 57.869312] r8:8000f904 r7:00000036 r6:0003eb78 r5:000330f0
r4:7e8619c8 r3:00000000
[ 57.877155] ---[ end trace efcf1fd10e10c974 ]---
VIDIOC_STREAMON: failed: Invalid argument
JM
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
