I use isp1161 to capture image with ov511 camera ,and I modifid the HCD(0.9.5) according the Tango version.the platform is sitsagn board (pxa250),linux--2.4.19.
I traced the hc_isp116x.c and hc_simple.c .The "frame_number" increases regularly the fist secends after the app start.Then it increases jumpily.while the "start_frame"
is always invariable.Finally,i find that the urb for ISOC transfer
( usb_pipeisoc (urb->pipe)==1) appears only twice in hc_submit_urb() and other functions ,then the system crash .Some error message turns up.
Unable to handle kernel paging request at virtual address c40025c0
pgd = c3b14000
*pgd = 00000000, *pmd = 00000000
Internal error: Oops: 0
CPU: 0
pc : [<c01008c0>] lr : [<c01008b4>] Not tainted
sp : c01a7ebc ip : c01a7e94 fp : 00000002
r10: 00000000 r9 : c02e2c00 r8 : 00000000
r7 : c3b2a200 r6 : 000003c1 r5 : c3fb2580 r4 : 00008280
r3 : c4002570 r2 : 00004fff r1 : c3ca0000 r0 : 00000006
Flags: nZCv IRQs on FIQs on Mode SVC_32 Segment kernel
Control: 397F Table: A3B14000 DAC: 0000001D
Process swapper (pid: 0, stack limit = 0xc01a6368)
Stack: (0xc01a7ebc to 0xc01a8000)
7ea0: 00000000
7ec0: c01c16c0 c010dea0 00000005 c3fb27a0 00000000 c0154814 00000000 00004fff
7ee0: 00000000 00000002 00000001 00000000 00000000 c3fb2580 c02e2c40 c02e2c40
7f00: c02e2c00 00008328 00000000 00000011 00000002 c0100654 00000002 c02e2c00
7f20: c02e2f7c c02e2f7c 00000000 c0101d1c c029ca20 04000000 0000001d c01b94b4
7f40: c01a7f9c ffffffff a00158f0 00000000 c001dd74 00000008 00000080 c01a7f9c
7f60: 8e000000 c01ba704 c0024f38 c01a8ec8 20000000 00000002 c01b9154 c01a7f9c
7f80: c001dd74 c01a7fd0 f8d00000 00000400 c001e244 60000013 c001d1a0 00000001
7fa0: 80000000 00000000 60000013 c001e204 80000000 c01b9e90 c01b9e84 c01a8bac
7fc0: 69052d06 a00158f0 00000000 60000013 c01a7fe4 c001e24c c001e244 60000013
7fe0: ffffffff c001e2b8 c01c2f04 c01e688c c00086e0 c01ba2a4 c01e688c c0008080
Backtrace: invalid frame pointer
Code: ebfca13c e59d2020 e5951020 e0853202 (e5932050)
Kernel panic: Aiee, killing interrupt handler!
In interrupt handler - not syncing
It looks so strange and i have no idea what the possible error about urbs is .
What should i do to fix this problem.
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