命令：
gst-launch v4l2src device=/dev/video0 ! 'video/x-raw-yuv, format=(fourcc)UYVY' !queue ! mfw_isink axis-top=0 axis-left=0 disp-width=400 disp-height=240
内核死掉信息：
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
can not create threadmfw_gst_isink_setcaps:1489
Unable to handle kernel paging request at virtual address 80b45b50
pgd = b80d8000
[80b45b50] *pgd=10a1140e(bad)
Internal error: Oops: d [#1] PREEMPT SMP
Modules linked in:
CPU: 0 Tainted: G W (3.0.35-4.1.0+yocto+g21304e1 #222)
PC is at 0x80b45b48
LR is at do_fork+0x14c/0x2cc
pc : [<80b45b48>] lr : [<800743ec>] psr: 600f0013
sp : 80b31fc0 ip : 00000000 fp : 00000000
r10: 00000000 r9 : 412fc09a r8 : 1000406a
r7 : 805953f4 r6 : 00000000 r5 : 80b49254 r4 : 80b30000
r3 : 00000002 r2 : 00000001 r1 : 600f0013 r0 : 000007fa
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c53c7d Table: 480d804a DAC: 00000015
Process swapper (pid: 0, stack limit = 0x80b302f0)
Stack: (0x80b31fc0 to 0x80b32000)
1fc0: 80b30000 80b8f120 8c005120 80008878 800082f8 00000000 00000000 80030c80
1fe0: 00000000 10c53c7d 80b45a6c 80030c7c 80b4924c 10008040 00000000 00000000
Code: 000003e8 00000000 00000854 00036b6a (007fffff)
---[ end trace 1b75b31a2719ed1e ]---
Kernel panic - not syncing: Attempted to kill the idle task!
[<80049810>] (unwind_backtrace+0x0/0xf8) from [<805878e8>] (panic+0x74/0x190)
[<805878e8>] (panic+0x74/0x190) from [<80078a84>] (do_exit+0x650/0x6ec)
[<80078a84>] (do_exit+0x650/0x6ec) from [<80046134>] (die+0x218/0x28c)
[<80046134>] (die+0x218/0x28c) from [<80586b30>] (__do_kernel_fault.part.2+0x54)
[<80586b30>] (__do_kernel_fault.part.2+0x54/0x74) from [<8004d214>] (do_sect_fa)
[<8004d214>] (do_sect_fault+0x0/0x10) from [<600f0013>] (0x600f0013)
CPU2: stopping
[<80049810>] (unwind_backtrace+0x0/0xf8) from [<8003d310>] (do_IPI+0x124/0x150)
[<8003d310>] (do_IPI+0x124/0x150) from [<8058f38c>] (__irq_svc+0x4c/0xe8)
Exception stack(0xbffb5f90 to 0xbffb5fd8)
5f80: 80b966a0 800f0093 00000001 00000000
5fa0: bffb4000 80b49254 80b8f1c4 805953f4 1000406a 412fc09a 00000000 00000000
5fc0: 00000000 bffb5fd8 80051394 8004357c 400f0013 ffffffff
[<8058f38c>] (__irq_svc+0x4c/0xe8) from [<8004357c>] (default_idle+0x24/0x28)
[<8004357c>] (default_idle+0x24/0x28) from [<80043748>] (cpu_idle+0x94/0x104)
[<80043748>] (cpu_idle+0x94/0x104) from [<10583c74>] (0x10583c74)
CPU3: stopping
[<80049810>] (unwind_backtrace+0x0/0xf8) from [<8003d310>] (do_IPI+0x124/0x150)
[<8003d310>] (do_IPI+0x124/0x150) from [<8058f38c>] (__irq_svc+0x4c/0xe8)
Exception stack(0xbff01f90 to 0xbff01fd8)
1f80: 80b966a0 600f0093 00000001 00000000
1fa0: bff00000 80b49254 80b8f1c4 805953f4 1000406a 412fc09a 00000000 00000000
1fc0: 00000000 bff01fd8 80051394 8004357c 400f0013 ffffffff
[<8058f38c>] (__irq_svc+0x4c/0xe8) from [<8004357c>] (default_idle+0x24/0x28)
[<8004357c>] (default_idle+0x24/0x28) from [<80043748>] (cpu_idle+0x94/0x104)
[<80043748>] (cpu_idle+0x94/0x104) from [<10583c74>] (0x10583c74)
CPU1: stopping
[<80049810>] (unwind_backtrace+0x0/0xf8) from [<8003d310>] (do_IPI+0x124/0x150)
[<8003d310>] (do_IPI+0x124/0x150) from [<8058f38c>] (__irq_svc+0x4c/0xe8)
Exception stack(0xbffadf90 to 0xbffadfd8)
df80: 80b966a0 600f0093 00000001 00000000
dfa0: bffac000 80b49254 80b8f1c4 805953f4 1000406a 412fc09a 00000000 00000000
dfc0: 00000000 bffadfd8 80051394 8004357c 400f0013 ffffffff
[<8058f38c>] (__irq_svc+0x4c/0xe8) from [<8004357c>] (default_idle+0x24/0x28)
[<8004357c>] (default_idle+0x24/0x28) from [<80043748>] (cpu_idle+0x94/0x104)
[<80043748>] (cpu_idle+0x94/0x104) from [<10583c74>] (0x10583c74)
resync _reset_ sync @ VDLOSS:2 : Reg8b:0x0 DMA_INT_STATUS 0X0 DMA_INT_ERROR
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