Details
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Bug
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Resolution: Out of scope
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P4: Low
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None
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5.12.3
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None
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Distribution: Yocto Version: 2.7.1 (warrior)
Hardware Platform: i.MX8MM Phytec module
Description
Silimar to this issue https://bugreports.qt.io/browse/QTBUG-73084 we see a backtrace after video playback ends on a i.MX8MM Platform.
174.914738] 141 pages are still in use! [ 174.918613] WARNING: CPU: 0 PID: 3747 at mm/page_alloc.c:8008 free_contig_range+0xac/ 0xc8 [ 174.926787] Modules linked in: brcmfmac crc32_ce crct10dif_ce mcp25xxfd brcmutil tpm_ tis_spi tpm_tis_core [ 174.936365] CPU: 0 PID: 3747 Comm: QSGRenderThread Tainted: G W 4.19.3 5-2.6.2 #1 [ 174.945060] Hardware name: PHYTEC phyCORE-i.MX8MM (DT) [ 174.950196] pstate: 40000005 (nZcv daif -PAN -UAO) [ 174.954985] pc : free_contig_range+0xac/0xc8 [ 174.959254] lr : free_contig_range+0xac/0xc8 [ 174.963520] sp : ffff0000189dbcc0 [ 174.966832] x29: ffff0000189dbcc0 x28: ffff800074ec1a80 [ 174.972144] x27: 0000000000000000 x26: 0000000000000000 [ 174.977455] x25: 0000000056000000 x24: ffff80006e753a10 [ 174.982766] x23: ffff00000944eb78 x22: 000000000000008d [ 174.988077] x21: ffff7e0000000000 x20: 000000000008168d [ 174.993388] x19: 000000000008168d x18: 0000000000000010 [ 174.998698] x17: 0000000000000000 x16: 0000000000000000 [ 175.004009] x15: ffffffffffffffff x14: ffff0000096286c8 [ 175.009320] x13: ffff000089810437 x12: ffff00000981043f [ 175.014632] x11: ffff000009640000 x10: ffff0000189db9c0 [ 175.019943] x9 : 00000000ffffffd0 x8 : ffff000008663190 [ 175.025254] x7 : 6567617020313431 x6 : ffff80007ff670c8 [ 175.030565] x5 : ffff80007ff670c8 x4 : 0000000000000000 [ 175.035876] x3 : ffff80007ff6deb0 x2 : ffff800074ec1a80 [ 175.041187] x1 : 09196d3dbfe47500 x0 : 0000000000000000 [ 175.046498] Call trace: [ 175.048944] free_contig_range+0xac/0xc8 [ 175.052867] cma_release+0x70/0xa8 [ 175.056269] ion_cma_free+0x28/0x48 [ 175.059756] ion_buffer_destroy+0x74/0x88 [ 175.063764] _ion_buffer_destroy+0x64/0x78 [ 175.067858] ion_dma_buf_release+0x10/0x18 [ 175.071954] dma_buf_release+0x5c/0x168 [ 175.075790] __fput+0x88/0x1b0 [ 175.078843] ____fput+0xc/0x18 [ 175.081897] task_work_run+0x90/0xb0 [ 175.085473] do_notify_resume+0x108/0x110 [ 175.089480] work_pending+0x8/0x10 [ 175.092879] ---[ end trace 318c72ba4ebdad3d ]--- [ 175.097819] ------------[ cut here ]------------ [ 175.102470] 141 pages are still in use! [ 175.106347] WARNING: CPU: 0 PID: 3747 at mm/page_alloc.c:8008 free_contig_range+0xac/ 0xc8 [ 175.114521] Modules linked in: brcmfmac crc32_ce crct10dif_ce mcp25xxfd brcmutil tpm_ tis_spi tpm_tis_core [ 175.124100] CPU: 0 PID: 3747 Comm: QSGRenderThread Tainted: G W 4.19.3 5-2.6.2 #1 [ 175.132794] Hardware name: PHYTEC phyCORE-i.MX8MM (DT) [ 175.137930] pstate: 40000005 (nZcv daif -PAN -UAO) [ 175.142720] pc : free_contig_range+0xac/0xc8 [ 175.146989] lr : free_contig_range+0xac/0xc8 [ 175.151255] sp : ffff0000189dbcc0 [ 175.154567] x29: ffff0000189dbcc0 x28: ffff800074ec1a80 [ 175.159878] x27: 0000000000000000 x26: 0000000000000000 [ 175.165190] x25: 0000000056000000 x24: ffff80006e753c10 [ 175.170501] x23: ffff00000944eb78 x22: 000000000000008d [ 175.175812] x21: ffff7e0000000000 x20: 000000000008178d [ 175.181123] x19: 000000000008178d x18: 0000000000000010 [ 175.186434] x17: 0000000000000000 x16: 0000000000000000 [ 175.191745] x15: ffffffffffffffff x14: ffff0000096286c8 [ 175.197056] x13: ffff000089810437 x12: ffff00000981043f [ 175.202367] x11: ffff000009640000 x10: ffff0000189db9c0 [ 175.207679] x9 : 00000000ffffffd0 x8 : ffff000008663190 [ 175.212989] x7 : 0000000000000005 x6 : ffff80007ff670c8 [ 175.218300] x5 : ffff80007ff670c8 x4 : 0000000000000000 [ 175.223612] x3 : ffff80007ff6deb0 x2 : ffff800074ec1a80 [ 175.228923] x1 : 09196d3dbfe47500 x0 : 0000000000000000 [ 175.234234] Call trace: [ 175.236680] free_contig_range+0xac/0xc8 [ 175.240602] cma_release+0x70/0xa8 [ 175.244004] ion_cma_free+0x28/0x48 [ 175.247491] ion_buffer_destroy+0x74/0x88 [ 175.251498] _ion_buffer_destroy+0x64/0x78 [ 175.255592] ion_dma_buf_release+0x10/0x18 [ 175.259688] dma_buf_release+0x5c/0x168 [ 175.263523] __fput+0x88/0x1b0 [ 175.266576] ____fput+0xc/0x18 [ 175.269630] task_work_run+0x90/0xb0 [ 175.273206] do_notify_resume+0x108/0x110 [ 175.277213] work_pending+0x8/0x10 [ 175.280613] ---[ end trace 318c72ba4ebdad3e ]---
The i.MX8 uses a different gstreamer plugin. So the fix for the i.MX6 platform does not work.