More info, from disassembled image, abort occurs in enter_kernel at 9e4: 000009e0 <__enter_kernel>: 9e0: e3a00000 mov r0, #0 ; 0x0 9e4: e1a0f004 mov pc, r4
On Tuesday, February 21, 2017 at 12:14:10 PM UTC-7, acheesehead wrote: > > Using JTAG to trace the problem, I found that the code aborts at > 0x820009e4, after eventually running a bunch of code in the 0xc0000000 area > of memory. The DM3730 TRM shows this region as reserved, so I am a bit > confused as to what could be there. Any suggestions on how to debug this? > > Addresses relative to 0x82000000 > 9b0: e320f000 nop {0} > 9b4: e320f000 nop {0} > 9b8: e320f000 nop {0} > 9bc: e320f000 nop {0} > 9c0: eafffffe b 9c0 <_binary_zImage_start+0x9c0> > 9c4: eafffffe b 9c4 <_binary_zImage_start+0x9c4> > 9c8: eafffffe b 9c8 <_binary_zImage_start+0x9c8> > 9cc: eafffffe b 9cc <_binary_zImage_start+0x9cc> > 9d0: eafffffe b 9d0 <_binary_zImage_start+0x9d0> > 9d4: ea000001 b 9e0 <_binary_zImage_start+0x9e0> > 9d8: eafffffe b 9d8 <_binary_zImage_start+0x9d8> > 9dc: eafffffe b 9dc <_binary_zImage_start+0x9dc> > 9e0: e3a00000 mov r0, #0 > 9e4: e1a0f004 mov pc, r4 jumps to 80008000, eventually gets to > 8000805C, then 80101878, then 800080B8 > then 80008078 branches to 8012028C, then 8011f6a4, then 8011f69c, > then C149728C > > Regs after crash, the link register shows C0D6F77C: > PC: (R15) = FFFF000C, CPSR = A00001D7 (ABORT mode, ARM FIQ dis. IRQ dis.) > Current: > R0 =D2FFB254, R1 =00005B4C, R2 =0001420C, R3 =00014254 > R4 =D2FFB254, R5 =CFFE7000, R6 =00005B3C, R7 =0000000B > R8 =FFFF0014, R9 =FFFF0014, R10=00000000, R11=C127A4E8, R12=CFFECB84 > R13=C1601DFC, R14=C1601E00, SPSR=C176218C > USR: R8 =00000000, R9 =C127A4E8, R10=CFFECB84, R11=C1601DFC, R12=C1601E00 > R13=00000000, R14=00000000 > FIQ: R8 =756FDFF6, R9 =6FFFF5F6, R10=F57DEBFF, R11=7FE73FFF, R12=78C3DFF7 > R13=C17621A4, R14=C17621A4, SPSR=00000000 > IRQ: R13=C1762180, R14=C1762180, SPSR=80000173 > SVC: R13=C1601DF0, R14=C0D6F77C, SPSR=600001D3 > ABT: R13=C176218C, R14=FFFF0010, SPSR=A00001D7 > UND: R13=C1762198, R14=C1762198, SPSR=00000000 > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/fde55eda-2eca-41d7-b11b-b4a5eb7aefa8%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.