Panchy, Have you reserved the right amount of memory for DSP (and shared memory) in bootargs? Refer to: http://wiki.davincidsp.com/index.php?title=Changing_the_DVEVM_memory_map#Changing_the_boot_argument_in_your_Linux_bootloader
Regards, Mugdha ________________________________ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Panchy Rivas Sent: Friday, August 08, 2008 11:51 PM To: [email protected] Subject: cannot run the decode demo on the 6446EVM I got a bit farther .. here is my terminal screen. [EMAIL PROTECTED]:/opt/dvsdk/dm6446# ./loadmodules.sh ioremap_nocache(0x87800000, 8388608)=0xc8080000 allocated heap buffer 0xc8080000 of size 0xf7000 cmem initialized 4 pools between 0x87800000 and 0x88000000 dsplinkk: no version for "struct_module" found: kernel tainted. dsplinkk: module license 'DSP/BIOS(TM) LINK' taints kernel. DSPLINK Module (1.40.05_p1) created on Date: Nov 20 2007 Time: 11:01:11 [EMAIL PROTECTED]:/opt/dvsdk/dm6446# ./decode -v t.264 -l Decode demo started. Unable to handle kernel NULL pointer dereference at virtual address 0000000e pgd = c5784000 [0000000e] *pgd=877cc031, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#1] Modules linked in: dsplinkk cmemk CPU: 0 PC is at LDRV_MSGQ_put+0x28/0xfc [dsplinkk] LR is at PMGR_MSGQ_put+0x10/0x14 [dsplinkk] pc : [<bf00f04c>] lr : [<bf006ce8>] Tainted: PF sp : c57bdeb0 ip : c57bded8 fp : c57bded4 r10: 00000000 r9 : c57bc000 r8 : 00000000 r7 : 00000000 r6 : c57bdef4 r5 : bf01d7b0 r4 : 00000000 r3 : 00006f0a r2 : 00020000 r1 : 00000000 r0 : 00000002 Flags: Nzcv IRQs on FIQs on Mode SVC_32 Segment user Control: 5317F Table: 85784000 DAC: 00000015 Process decode (pid: 1138, stack limit = 0xc57bc1a0) Stack: (0xc57bdeb0 to 0xc57be000) dea0: c0047798 00006f0a 00008000 c57bdef4 dec0: 43543208 c57bc000 c57bdee4 c57bded8 bf006ce8 bf00f034 c57bdf34 c57bdee8 dee0: bf006574 bf006ce8 c01f0adc c00348a0 ffffffe7 00008000 00000002 00000000 df00: 00006f08 00045164 000371a4 00008000 c00348a0 ffffffe7 00006f0a 43543208 df20: c0036154 00900036 c57bdf54 c57bdf38 c009f6a4 bf006228 c00348a0 43543208 df40: 00000000 00000008 c57bdf7c c57bdf58 c009f9b8 c009f638 c0050e04 c0050c24 df60: fffffff7 43543208 00006f0a c00348a0 c57bdfa4 c57bdf80 c009fa1c c009f6c8 df80: befffc50 00000001 435432ac 00045164 00000002 00000036 00000000 c57bdfa8 dfa0: c00359c0 c009f9e8 435432ac 00045164 00000008 00006f0a 43543208 00048b98 dfc0: 435432ac 00045164 00000002 41addc80 ffffffff 435434b0 00044114 43543204 dfe0: 000441dc 435431b0 00025554 401a1294 00000010 00000008 018d8a79 02309a7a Backtrace: [<bf00f024>] (LDRV_MSGQ_put+0x0/0xfc [dsplinkk]) from [<bf006ce8>] (PMGR_MSGQ_pu t+0x10/0x14 [dsplinkk]) r8 = C57BC000 r7 = 43543208 r6 = C57BDEF4 r5 = 00008000 r4 = 00006F0A [<bf006cd8>] (PMGR_MSGQ_put+0x0/0x14 [dsplinkk]) from [<bf006574>] (DRV_Ioctl+0x 35c/0x764 [dsplinkk]) [<bf006218>] (DRV_Ioctl+0x0/0x764 [dsplinkk]) from [<c009f6a4>] (do_ioctl+0x7c/0 x90) [<c009f628>] (do_ioctl+0x0/0x90) from [<c009f9b8>] (vfs_ioctl+0x300/0x320) r7 = 00000008 r6 = 00000000 r5 = 43543208 r4 = C00348A0 [<c009f6b8>] (vfs_ioctl+0x0/0x320) from [<c009fa1c>] (sys_ioctl+0x44/0x68) r7 = C00348A0 r6 = 00006F0A r5 = 43543208 r4 = FFFFFFF7 [<c009f9d8>] (sys_ioctl+0x0/0x68) from [<c00359c0>] (ret_fast_syscall+0x0/0x2c) r7 = 00000036 r6 = 00000002 r5 = 00045164 r4 = 435432AC Code: e1a08084 e3540001 e1a02800 e1a07001 (e1c100be) <3>Trying to vfree() bad address (36a31bf7) decode/1136: BUG in __vunmap at mm/vmalloc.c:307 Segmentation fault [EMAIL PROTECTED]:/opt/dvsdk/dm6446# Thanks Panchy Rivas
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