HI everyone:
following is whole produce
1.now i porting android 2.2 Froyo on the Craneboard
2.choice Composite decoder max9526 (NTSC->BT 656)
3.write max9526 decoder driver (/kernel/driver/media/video/max9526.c) reference tvp514x.c (/kernel/driver/media/video/tvp514x.c)
source code is
3386.max9526.c.rar
4.add device node in board-am3517crane.c
4382.board-am3517crane.c.rar
5.Then i built-in the module , when i use open(/dev/video0,O_RDWR) , occur some oops problem , then kernel panic
The Problem message is
Unable to handle kernel NULL pointer dereference at virtual address 00000068
pgd = c3b18000
[00000068] *pgd=83009031, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1]
last sysfs file: /sys/devices/platform/davinci_emac/net/eth0/ifindex
Modules linked in: omaplfb pvrsrvkm
CPU: 0 Not tainted (2.6.32 #54)
PC is at vpfe_config_ccdc_image_format+0x18/0xb4
LR is at vpfe_config_ccdc_image_format+0x1c/0xb4
pc : [<c0292540>] lr : [<c0292544>] psr: 60000013
sp : c3809e18 ip : cf9bdd30 fp : beee4bf4
r10: c0489990 r9 : 00000001 r8 : cf9bdd1c
r7 : fffffdfd r6 : cf9bdc10 r5 : cf9bdc00 r4 : c04cc838
r3 : 00000000 r2 : 00000000 r1 : 000a8c00 r0 : 59565955
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 10c5387d Table: 83b18019 DAC: 00000015
SO, can help me solve this ?
Thanks a lot
Hello Chen MingYao,
Have you been able to find a solution? I'd like to know how your progress is.
Regards.