mpv播放rtsp流会导致系统宕机

wx_lxl_z7b

现象：
在ubuntu系统下使用mpv播放器播放rtsp流时直接宕机。

复现方法：
1. 准备视频文件，例如a.mkv;
2.在其他机器上启动rtsp server，例如live555;
3.在rk3566平台上执行mpv rtsp://xxx.xxx.xxx.xxx/xxx/aa.mkv;
4.在开始播放后很快就会宕机。


系统版本：
ROC-RK3566-PC-UBUNTU20.04-GPT-20211201-1602.img

错误日志：


[  553.087452] mpp_rkvdec2 fdf80200.rkvdec: resetting...

[  553.087958] Unable to handle kernel paging request at virtual address ffffffffffffffc8

[  553.088821] Mem abort info:

[  553.089092]   ESR = 0x96000005

[  553.089379]   Exception class = DABT (current EL), IL = 32 bits

[  553.089909]   SET = 0, FnV = 0

[  553.090190]   EA = 0, S1PTW = 0

[  553.090482] Data abort info:

[  553.090751]   ISV = 0, ISS = 0x00000005

[  553.091102]   CM = 0, WnR = 0

[  553.091384] swapper pgtable: 4k pages, 39-bit VAs, pgdp = 00000000d2065728

[  553.092077] [ffffffffffffffc8] pgd=0000000000000000, pud=0000000000000000

[  553.092706] Internal error: Oops: 96000005 [#1] SMP

[  553.093147] Modules linked in:

[  553.093440] Process rkvdec (pid: 66, stack limit = 0x0000000031e65fcd)

[  553.094026] CPU: 3 PID: 66 Comm: rkvdec Not tainted 4.19.206 #362

[  553.094570] Hardware name: Firefly RK3566-ROC-PC HDMI(Linux) (DT)

[  553.095115] pstate: 20c00009 (nzCv daif +PAN +UAO)

[  553.095571] pc : rk_iommu_enable+0x214/0x320

[  553.095972] lr : rk_iommu_enable+0x138/0x320

[  553.096364] sp : ffffff8009e1bc20

[  553.096670] x29: ffffff8009e1bc20 x28: ffffffc00a656d70

[  553.097184] x27: ffffffc00a488880 x26: 00000000fffff000

[  553.097197] x25: 0000000000000003 x24: 0000000000000004

[  553.097205] x23: 0000000000000000 x22: 0000000000000000

[  553.097213] x21: 0000000000000000 x20: 0000000000000000

[  553.097222] x19: ffffffc07b07e480 x18: 0000000000000000

[  553.097230] x17: 0000000000000000 x16: 0000000000000000

[  553.097238] x15: 0000000000000000 x14: 0000000000000000

[  553.097246] x13: 00000000000005b4 x12: 0000000000000024

[  553.097254] x11: ffffffc07ef49268 x10: 0000000000000a50

[  553.097263] x9 : ffffff8009e1bb20 x8 : ffffff8009e1bce0

[  553.102005] x7 : 0000000000000000 x6 : 000000000001563c

[  553.102015] x5 : 0000000319185901 x4 : 00ffffffffffffff

[  553.102037] x3 : 0000000000000000 x2 : ffffff80099fd800

[  553.103465] x1 : 0000000000000000 x0 : ffffffc07b07e580

[  553.103973]

               PC: 0xffffff80085f3148:

[  553.103977] 3148  52800001 f8606840 1a9a8336 0a1802d6 97fffd74 6b16001f 54000240 f9400260

[  553.104002] 3168  d0006481 128001b4 9119d421 9404ef6f aa1303e0 97fffec4 b9402260 f9400e61

[  553.104023] 3188  97fe29d5 2a1403e0 a94153f3 a9425bf5 a94363f7 a9446bf9 a8c57bfd d65f03c0

[  553.104044] 31a8  110006b5 17ffffc0 b9407260 93407ed5 7100041f f9400660 54000409 f8757802

[  553.104065] 31c8  f85c82e1 d5033e9f d35cfc20 12144c21 121c1c00 2a010000 b9000040 f9400660

[  553.104086] 31e8  d37df2b5 f8756800 d5033e9f 91002000 b9000018 f9400660 f8756800 d5033e9f

[  553.104106] 3208  91007000 b9000019 f9400660 52800481 f8756800 97fffd43 f9400661 f8756821

[  553.104127] 3228  d5033e9f 32010000 91009021 b9000020 110006d6 17ffff76 f8757801 f85c82e0

[  553.104150]

               LR: 0xffffff80085f306c:

[  553.104153] 306c  97ed09f0 eb0002df 5400128a aa1303e0 97fffde8 72001c1f 540007a1 52800016

[  553.104174] 308c  14000081 39409660 35000120 529757d8 52800015 72b95fd8 128001f9 1281fffa

[  553.104195] 30ac  b9401260 6b0002bf 540003ab aa1303e0 528000c1 97fffdaa 39409660 35fffa00

[  553.104216] 30cc  97ed09d8 9143d016 d290d415 910902d6 f2a00035 94237ac8 aa1303e0 97fffde5

[  553.104236] 30ec  72001c1f 54fff8c1 97ed09ce eb0002df 54000dca aa1303e0 97fffdde 72001c1f

[  553.104257] 310c  54fff7e1 f9400260 d0006481 911ab821 9404ef85 12800db4 14000015 f9400661

[  553.104278] 312c  937d7ea0 f8606821 d5033e9f b9000038 f9400662 b9407261 7100043f 52800001

[  553.104299] 314c  f8606840 1a9a8336 0a1802d6 97fffd74 6b16001f 54000240 f9400260 d0006481

[  553.104321]

               SP: 0xffffff8009e1bba0:

[  553.104324] bba0  00000004 00000000 00000003 00000000 fffff000 00000000 0a488880 ffffffc0

[  553.104345] bbc0  0a656d70 ffffffc0 09e1bc20 ffffff80 085f30ec ffffff80 09e1bc20 ffffff80

[  553.104365] bbe0  085f31c8 ffffff80 20c00009 00000000 09e1bc20 ffffff80 085f30ec ffffff80

[  553.104386] bc00  ffffffff ffffffff 00000000 00000000 09e1bc20 ffffff80 085f31c8 ffffff80

[  553.104407] bc20  09e1bc70 ffffff80 085f3300 ffffff80 7e7c7010 ffffffc0 095a4000 ffffff80

[  553.104428] bc40  0a416598 ffffffc0 7b1b9080 ffffffc0 0a4164f8 ffffffc0 0a488880 ffffffc0

[  553.104449] bc60  0a656000 ffffffc0 09637de8 ffffff80 09e1bc90 ffffff80 0855b6e4 ffffff80

[  553.104470] bc80  7e7c7010 ffffffc0 7b1b9080 ffffffc0 09e1bcb0 ffffff80 085603e8 ffffff80

[  553.104493]

               X0: 0xffffffc07b07e500:

[  553.104496] e500  7b07e600 ffffffc0 7b07e400 ffffffc0 08738cd0 ffffff80 092bbf9b ffffff80

[  553.104517] e520  00000018 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.104537] e540  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.125799] e560  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.126548] e580  099fd800 ffffff80 09a05840 ffffff80 00000000 00000000 00000000 00000000

[  553.127288] e5a0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.128035] e5c0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.128771] e5e0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.129514]

               X2: 0xffffff80099fd780:

[  553.129965] d780  cf190101 070d0206 00000000 00000000 00000000 00000000 0000001c 00000017

[  553.130703] d7a0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.131443] d7c0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.132184] d7e0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.132926] d800  00000000 00000018 00000000 00000000 00000000 00000000 00000000 00000000

[  553.133673] d820  00000000 80000003 00000000 00000000 00000000 00000000 00000000 00000000

[  553.134412] d840  00000000 00000018 00000000 00000000 00000000 00000000 00000000 00000000

[  553.135150] d860  00000000 80000003 00000000 00000000 00000000 00000000 00000000 00000000

[  553.135895]

               X8: 0xffffff8009e1bc60:

[  553.136345] bc60  0a656000 ffffffc0 09637de8 ffffff80 09e1bc90 ffffff80 0855b6e4 ffffff80

[  553.137090] bc80  7e7c7010 ffffffc0 7b1b9080 ffffffc0 09e1bcb0 ffffff80 085603e8 ffffff80

[  553.137828] bca0  0a416480 ffffffc0 095a4000 ffffff80 09e1bd10 ffffff80 0856217c ffffff80

[  553.138566] bcc0  0a488880 ffffffc0 0a416480 ffffffc0 097e2000 ffffff80 59944900 7ad1dfa7

[  553.139312] bce0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.140049] bd00  097e2000 ffffff80 59944900 7ad1dfa7 09e1be00 ffffff80 080d3d98 ffffff80

[  553.140787] bd20  0a4164f8 ffffffc0 0a4164a0 ffffffc0 095a4000 ffffff80 0a4164a8 ffffffc0

[  553.141531] bd40  097ccf80 ffffff80 0a549c80 ffffffc0 00000001 00000000 0a4164c0 ffffffc0

[  553.142270]

               X9: 0xffffff8009e1baa0:

[  553.142719] baa0  7ef4a100 ffffffc0 0a549d40 ffffffc0 09e1bad0 ffffff80 08ed65d8 ffffff80

[  553.143456] bac0  09e1bae0 ffffff80 08ed65d8 ffffff80 09e1baf0 ffffff80 59944900 7ad1dfa7

[  553.144193] bae0  7b07e580 ffffffc0 00000000 00000000 099fd800 ffffff80 00000000 00000000

[  553.144929] bb00  ffffffff 00ffffff 19185901 00000003 0001563c 00000000 00000000 00000000

[  553.145675] bb20  09e1bce0 ffffff80 09e1bb20 ffffff80 00000a50 00000000 7ef49268 ffffffc0

[  553.146412] bb40  00000024 00000000 000005b4 00000000 00000000 00000000 00000000 00000000

[  553.147148] bb60  00000000 00000000 00000000 00000000 00000000 00000000 7b07e480 ffffffc0

[  553.147883] bb80  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.148622]

               X11: 0xffffffc07ef491e8:

[  553.149082] 91e8  00000000 00000000 00000000 00000000 78d2d800 ffffffc0 00000000 00000001

[  553.149820] 9208  00000000 000002fc 00000294 00000002 00000773 000012f9 00001ba2 00001269

[  553.150557] 9228  0000063d 000001a1 0000125c 000019c6 00000d73 00000426 000001e1 00000048

[  553.151292] 9248  0000003f 0000128f 000006c8 00007a02 0000084b 00000028 0000151e 00000034

[  553.152029] 9268  00000005 00000000 00000000 00000000 000000a6 00000000 00000000 00000000

[  553.152764] 9288  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.153499] 92a8  00000000 00000000 00000000 00000000 00000000 00000013 00000000 00000000

[  553.154235] 92c8  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.154981]

               X19: 0xffffffc07b07e400:

[  553.155442] e400  7b07e500 ffffffc0 7e7c7b80 ffffffc0 08738cd0 ffffff80 092bbf9b ffffff80

[  553.156180] e420  00000078 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.156924] e440  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.157668] e460  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.158402] e480  7e7c7810 ffffffc0 7b07e580 ffffffc0 00000002 00000000 7b081700 ffffffc0

[  553.159147] e4a0  00000002 00000000 7b07eea8 ffffffc0 7b07a9a8 ffffffc0 08fa1880 ffffff80

[  553.159883] e4c0  7ef8df90 ffffffc0 7b0a3800 ffffffc0 7b07e4d0 ffffffc0 7b07e4d0 ffffffc0

[  553.160629] e4e0  00000000 00000000 7b0a8000 ffffffc0 00000002 00000000 00000000 00000000

[  553.161374]

               X27: 0xffffffc00a488800:

[  553.161832] 8800  0a4f3200 ffffffc0 0a4f3100 ffffffc0 08738cd0 ffffff80 092bbf9b ffffff80

[  553.162577] 8820  000000d8 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.163314] 8840  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.164058] 8860  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.164793] 8880  7e7c7010 ffffffc0 0a416480 ffffffc0 09c81100 ffffff80 00000000 00000002

[  553.165529] 88a0  80000002 00000300 ffff9000 ffff9800 00000002 00000002 00000001 00000000

[  553.166265] 88c0  0000002b 00000000 09637de8 ffffff80 0a4f2400 ffffffc0 00000400 00000100

[  553.167001] 88e0  0a4f3280 ffffffc0 00000010 00000002 00000002 00000010 00000000 00000016

[  553.167741]

               X28: 0xffffffc00a656cf0:

[  553.168192] 6cf0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.168930] 6d10  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.169667] 6d30  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.170412] 6d50  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

[  553.171157] 6d70  000009af 00000000 00000000 00000000 ffffffe0 0000000f 0a656d88 ffffffc0

[  553.171902] 6d90  0a656d88 ffffffc0 085607b0 ffffff80 00000000 00000000 00000000 00000000

[  553.172647] 6db0  00000200 dead0000 00000000 00000000 000128b3 00000001 080cd418 ffffff80

[  553.173392] 6dd0  0d200003 00000000 00000000 00000000 00000000 00000000 00206600 ffffffc0

[  553.174130]

               X29: 0xffffff8009e1bba0:

[  553.174589] bba0  00000004 00000000 00000003 00000000 fffff000 00000000 0a488880 ffffffc0

[  553.175334] bbc0  0a656d70 ffffffc0 09e1bc20 ffffff80 085f30ec ffffff80 09e1bc20 ffffff80

[  553.176079] bbe0  085f31c8 ffffff80 20c00009 00000000 09e1bc20 ffffff80 085f30ec ffffff80

[  553.176825] bc00  ffffffff ffffffff 00000000 00000000 09e1bc20 ffffff80 085f31c8 ffffff80

[  553.177569] bc20  09e1bc70 ffffff80 085f3300 ffffff80 7e7c7010 ffffffc0 095a4000 ffffff80

[  553.178314] bc40  0a416598 ffffffc0 7b1b9080 ffffffc0 0a4164f8 ffffffc0 0a488880 ffffffc0

[  553.179060] bc60  0a656000 ffffffc0 09637de8 ffffff80 09e1bc90 ffffff80 0855b6e4 ffffff80

[  553.179804] bc80  7e7c7010 ffffffc0 7b1b9080 ffffffc0 09e1bcb0 ffffff80 085603e8 ffffff80



[  553.180692] Call trace:

[  553.180944]  rk_iommu_enable+0x214/0x320

[  553.181307]  rockchip_iommu_enable+0x2c/0x40

[  553.181702]  mpp_iommu_refresh+0x2c/0x38

[  553.182060]  rkvdec2_link_reset+0xbc/0x124

[  553.182441]  rkvdec2_link_worker+0xda8/0xfb8

[  553.182836]  kthread_worker_fn+0x124/0x190

[  553.183215]  kthread+0x120/0x130

[  553.183515]  ret_from_fork+0x10/0x18

[  553.183853] Code: 7100041f f9400660 54000409 f8757802 (f85c82e1)

[  553.184402] ---[ end trace 9fe07c7ad22886f6 ]---

firefly@firefly:~$

wx_lxl_z7b

另外我手上的3568在ubuntu 20 和18下同样有这个问题。