[Banana Pi] Fatal kernel mode data abort: 'Alignment Fault' on read

[Lars Engels]

On Thu, Nov 05, 2015 at 12:02:06PM +0100, Hans Petter Selasky wrote:
> On 11/05/15 11:48, Lars Engels wrote:
> > Using FreeBSD-armv6-11.0-A20-290366.img I can reproducible crash the
> > kernel by USB-tethering the Banana Pi to a mobile phone and run "
> > pkg bootstrap". It looks like this:
> >
> > root at bananapi:/ # pkg bootstrap
> > The package management tool is not yet installed on your system.
> > Do you want to fetch and install it now? [y/N]: y
> > Bootstrapping pkg from pkg+http://pkg.FreeBSD.org/FreeBSD:11:armv6/latest, please wait...
> > Fatal kernel mode data abort: 'Alignment Fault' on read
> > trapframe: 0xea576a90
> > FSR=00000001, FAR=c43a1d6e, spsr=60000113
> > r0 =00000014, r1 =0000003c, r2 =0000003c, r3 =00000903
> > r4 =00000000, r5 =c43a1d6a, r6 =00000028, r7 =c43a1d56
> > r8 =00000000, r9 =00000014, r10=00000028, r11=ea576bf8
> > r12=00000000, ssp=ea576b20, slr=c061aba4, pc =c04f68e8
> >
> > [ thread pid 13 tid 100024 ]
> > Stopped at      tcp_input+0x820:        ldr     r0, [r5, #0x004]
> 
> Hi,
> 
> Could you "objdump -Dx --source /boot/kernel/kernel" and figure out 
> which code line "tcp_input+0x820" corresponds to?

You mean like "objdump ... | grep -C10 tcp_input+0x820"?

I started that half an hour ago and it's still not finished.
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