Part Number: AM3358
Kernel 3.2.0, 1G DDR, 1080P display.
call PVR2DBit PVR lib function, PVRSRV_BRIDGE_EVENT_OBJECT_WAIT return time out (9, PVRSRV_ERROR_TIMEOUT)
PVR version: "SGX_DDK_Linux_CustomerTI sgxddk 19 1.9.RC2@" 2139099
The call trace is during failure:
#0 0x2bcc2aec in ioctl () from .\fs/lib/libc.so.6
#1 0x2ab6faec in ?? () from .\fs/lib/libsrv_um.so
Backtrace stopped: previous frame identical to this frame (corrupt stack?)Dump registers:
r0 0x0 0
r1 0xc01c6746 3223086918
r2 0x7e859fd4 2122686420
r3 0x1 1
r4 0x31a6d30 52063536
r5 0x7704 30468
r6 0x1 1
r7 0x36 54
r8 0x1 1
r9 0x1 1
r10 0x251 593
r11 0x3 3
r12 0x0 0
sp 0x7e859fd0 0x7e859fd0
lr 0x2ab6faec 716634860 0x2ab6faec: add sp, sp, #36 ; 0x24
pc 0x2bcc2aec 0x2bcc2aec <ioctl+12> 0x2bcc2aec <ioctl+12>: mov r7, r12
cpsr 0x20000010 536870928
Dump assembly code of function ioctl：
0x2bcc2ae0 <+0>: mov r12, r7
0x2bcc2ae4 <+4>: mov r7, #54 ; 0x36
0x2bcc2ae8 <+8>: svc 0x00000000
=> 0x2bcc2aec <+12>: mov r7, r12
0x2bcc2af0 <+16>: cmn r0, #4096 ; 0x1000
0x2bcc2af4 <+20>: bxcc lr
0x2bcc2af8 <+24>: b 0x2bc1c110 <__syscall_error>
End of assembler dump.
ioctl(fd, request, argp)
r0 = fd 0
r1 = request 0xc01c6746
r2 = argp 0x7e859fd4
(gdb) x /32xw 0x7e859fd4
0x7e859fd4: 0xc01c6746 0x0000001c 0x7e85a000 0x00000008
ui32BridgeID ui32Size pvParamIn ui32InBufferSize
0x7e859fe4: 0x7e85a008 0x00000008 0x00000001 0x2abfc000
pvParamOut ui32OutBufferSize hKernelServices
0x7e859ff4: 0x2ab6f354 0x7e85a008 0x00000008 0x00006804
(gdb) x /32xw 0x7e85a000 pvParamIn
0x7e85a000: 0x00006804 0x00000003 0x00000009 0x800000c5
0x7e85a010: 0x00000001 0x2ab74370 0x031a7660 0xeba5a988
(gdb) x /16xw 0x7e85a008 pvParamOut
0x7e85a008: 0x00000009 0x800000c5 0x00000001 0x2ab74370
0x7e85a018: 0x031a7660 0xeba5a988 0x00000003 0x00000041
PVR2DBlt(screen->deviceContext(), &blt_inf) arguments:
p *(PVR2DBLTINFO*)0x2ef3629c //PVR2DBLTINFO blt_inf;
$1 = {
CopyCode = 204,
Colour = 0,
ColourKey = 0,
GlobalAlphaValue = 0 '\000',
AlphaBlendingFunc = 0 '\000',
BlitFlags = PVR2D_BLIT_DISABLE_ALL,
pDstMemInfo = 0x31a6a00,
DstOffset = 0,
DstStride = 7680,
DstX = 206,
DstY = 499,
DSizeX = 476,
DSizeY = 65,
DstFormat = 4,
DstSurfWidth = 1920,
DstSurfHeight = 1080,
pSrcMemInfo = 0x31a6a00,
SrcOffset = 0,
SrcStride = 7680,
SrcX = 206,
SrcY = 498,
SizeX = 476,
SizeY = 65,
SrcFormat = 4,
pPalMemInfo = 0x0,
PalOffset = 0,
SrcSurfWidth = 1920,
SrcSurfHeight = 1080,
pMaskMemInfo = 0x0,
MaskOffset = 0,
MaskStride = 0,
MaskX = 0,
MaskY = 0,
MaskSurfWidth = 0,
MaskSurfHeight = 0,
pAlpha = 0x0,
uSrcChromaPlane1 = 0,
uSrcChromaPlane2 = 0,
uDstChromaPlane1 = 0,
uDstChromaPlane2 = 0,
ColourKeyMask = 0,
pPat = 0x0,
PatX = 0,
PatY = 0
}
Based on dumping analysis, the call trace should be:
--> PVR2DBlt --> PVR2DBltClipped --> AltBltClipped --> SGXQueueTransfer ??? -->
PVRSRVEventObjectWait --> OSEventObjectWait --> PVRSRVBridgeCall--> ioctl
Need PVR2D source code to help debugging.
PVR head file version defines:
#define PVRVERSION_MAJ 1
#define PVRVERSION_MIN 9
#define PVRVERSION_BRANCH 19
#define PVRVERSION_FAMILY "sgxddk"
#define PVRVERSION_BRANCHNAME "1.9.RC2"
#define PVRVERSION_BUILD 2139099
#define PVRVERSION_BSCONTROL "SGX_DDK_Linux_CustomerTI"
#define PVRVERSION_STRING "SGX_DDK_Linux_CustomerTI sgxddk 19 1.9.RC2@" PVR_STR2(PVRVERSION_BUILD)
#define PVRVERSION_STRING_SHORT "1.9.RC2@" PVR_STR2(PVRVERSION_BUILD)BTW: Not SGX source code from here:
https://git.ti.com/cgit/graphics/omap5-sgx-ddk-linux/?h=ti_imgddk_1.9.0.12
