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
4.add device node in board-am3517crane.c
source code is
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
 *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.
All content and materials on this site are provided "as is". TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right. TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with respect to these materials. No license, either express or implied, by estoppel or otherwise, is granted by TI. Use of the information on this site may require a license from a third party, or a license from TI.
TI is a global semiconductor design and manufacturing company. Innovate with 100,000+ analog ICs andembedded processors, along with software, tools and the industry’s largest sales/support staff.