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Re: BEAGLEBONE 8.0_BETA kernel fails

On 08/01/17 00:55, John D. Baker wrote:
On Mon, 31 Jul 2017, Nick Hudson wrote:

VERBOSE_INIT_ARM output please

devmap: 48000000 -> 48ffffff @ e0000000
pmap_map_chunk: pa=0x48000000 va=0xe0000000 size=0x1000000 resid=0x1000000 prot=0x3 cache=0

This is the mapping used for device in question... looks ok.
devmap: 4a000000 -> 4affffff @ e1000000
pmap_map_chunk: pa=0x4a000000 va=0xe1000000 size=0x1000000 resid=0x1000000 prot=0x3 cache=0
devmap: 4c000000 -> 4c0fffff @ e2000000
pmap_map_chunk: pa=0x4c000000 va=0xe2000000 size=0x100000 resid=0x100000 prot=0x3 cache=0

omapdmtimer0 at obio1 addr 0x48040000-0x48040fff intr 68: DMTIMER2
omapdmtimer2 at obio1 addr 0x48044000-0x48044fff intr 92: DMTIMER4

These are the physical addresses for the devices.


Fatal kernel mode data abort: 'External Non-Linefetch Abort (S)'
trapframe: 0x80a4de70
FSR=00001808, FAR=e0044010, spsr=20000113

It fails trying to access 0xe0044010... no idea why? Maybe some board clock initialisation is missing?

r0 =00000000, r1 =e0044000, r2 =00000010, r3 =00000001
r4 =000003e8, r5 =9ff9a1a0, r6 =80311914, r7 =00000001
r8 =806fe59c, r9 =9ef40ed8, r10=87ffc01b, r11=80a4dedc
r12=80a4dee0, ssp=80a4dec0, slr=803063cc, pc =80311914

Stopped in pid 0.1 (system) at  netbsd:generic_bs_w_4:  str     r3, [r1, r2]

Maybe you could git bisect it to see what broke it?


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