Date: Sun, 28 Dec 2014 19:46:03 +0100 From: =?windows-1252?Q?Manuel_St=FChn?= <freebsdnewbie@freenet.de> To: Ian Lepore <ian@freebsd.org> Cc: freebsd-arm@freebsd.org Subject: Re: vm_fault during BBB-boot Message-ID: <54A04FEB.2080809@freenet.de> In-Reply-To: <1419789437.1018.207.camel@freebsd.org> References: <54A0376A.8080908@freenet.de> <1419789437.1018.207.camel@freebsd.org>
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Am 28.12.2014 um 18:57 schrieb Ian Lepore:
> I can't reproduce this on my BBB. I sync'd to the exact rev you used
> and rebuilt, installed it all on an sdcard and booted, and I boot all
> the way to the login prompt. I even diff'd my boot messages against the
> ones you posted and there are no significant differences other than
> pathnames and compile times.
>
> Maybe a stack backtrace would help... enter 'bt' at that db> prompt and
> post the output (everything from the vm_fault(...)-> 1 to the end of the
> backtrace).
[...]
mmcsd0: 8GB <SDHC SD08G 3.8 SN C240108F MFG 06/2009 by 2 TM> at mmc0
48.0MHz/4bit/65535-block
vm_fault(0xc0788e48, 0, 1, 0) -> 1
Fatal kernel mode data abort: 'Translation Fault (S)'
trapframe: 0xdd0cbc60
FSR=00000005, FAR=00000010, spsr=00000113
r0 =00000000, r1 =00000004, r2 =00003d2e, r3 =00000137
r4 =c2be4180, r5 =c2be4180, r6 =c078876c, r7 =c0869a24
r8 =028f5c28, r9 =c0713d48, r10=00000000, r11=dd0cbcb0
r12=00000001, ssp=dd0cbcb0, slr=00101010, pc =c0377d64
[ thread pid 12 tid 100006 ]
Stopped at _sx_assert+0x48: ldr r14, [r0, #0x010]
db> bt
Tracing pid 12 tid 100006 td 0xc2a7d660
db_trace_self() at db_trace_self
pc = 0xc05c43d4 lr = 0xc02324d0 (db_stack_trace+0x108)
sp = 0xdd0cb960 fp = 0xdd0cb978
r10 = 0xc0787b70
db_stack_trace() at db_stack_trace+0x108
pc = 0xc02324d0 lr = 0xc0231e28 (db_command+0x294)
sp = 0xdd0cb980 fp = 0xdd0cba20
r4 = 0x00000000 r5 = 0x00000000
r6 = 0x00000000
db_command() at db_command+0x294
pc = 0xc0231e28 lr = 0xc0231b80 (db_command_loop+0x78)
sp = 0xdd0cba28 fp = 0xdd0cba38
r4 = 0xc060cef5 r5 = 0xc062832d
r6 = 0xc0787b5c r7 = 0xc06cfce8
r8 = 0xc07235e4 r9 = 0xc07235e0
r10 = 0x00000001
db_command_loop() at db_command_loop+0x78
pc = 0xc0231b80 lr = 0xc0234698 (db_trap+0x108)
sp = 0xdd0cba40 fp = 0xdd0cbb60
r4 = 0x00000000 r5 = 0xc0787b68
r6 = 0xc0723608
db_trap() at db_trap+0x108
pc = 0xc0234698 lr = 0xc03a8c38 (kdb_trap+0xd4)
sp = 0xdd0cbb68 fp = 0xdd0cbb88
r4 = 0x00000000 r5 = 0x00000005
r6 = 0xc0723608 r7 = 0xc06cfce8
kdb_trap() at kdb_trap+0xd4
pc = 0xc03a8c38 lr = 0xc05d9464 (dab_fatal+0x1c0)
sp = 0xdd0cbb90 fp = 0xdd0cbba8
r4 = 0xdd0cbc60 r5 = 0x00000005
r6 = 0x600001d3 r7 = 0x00000010
r8 = 0xc2a7d660 r9 = 0xdd0cbc60
r10 = 0x00000001
dab_fatal() at dab_fatal+0x1c0
pc = 0xc05d9464 lr = 0xc05d91a4 (abort_handler+0x66c)
sp = 0xdd0cbbb0 fp = 0xdd0cbc58
r4 = 0x00000005 r5 = 0x00000001
r6 = 0xc0788e48 r7 = 0xdd0cbea0
abort_handler() at abort_handler+0x66c
pc = 0xc05d91a4 lr = 0xc05c61e0 (exception_exit)
sp = 0xdd0cbc60 fp = 0xdd0cbcb0
r4 = 0xc2be4180 r5 = 0xc2be4180
r6 = 0xc078876c r7 = 0xc0869a24
r8 = 0x028f5c28 r9 = 0xc0713d48
r10 = 0x00000000
exception_exit() at exception_exit
pc = 0xc05c61e0 lr = 0x00101010 (0x101010)
sp = 0xdd0cbcb0 fp = 0xdd0cbcb0
r0 = 0x00000000 r1 = 0x00000004
r2 = 0x00003d2e r3 = 0x00000137
r4 = 0xc2be4180 r5 = 0xc2be4180
r6 = 0xc078876c r7 = 0xc0869a24
r8 = 0x028f5c28 r9 = 0xc0713d48
r10 = 0x00000000 r12 = 0x00000001
_sx_assert() at _sx_assert+0x48
pc = 0xc0377d64 lr = 0xc085e4d0 ($a+0x54)
sp = 0xdd0cbcb8 fp = 0xdd0cbdb8
Unknown entry: 0
$a() at $a+0x54
pc = 0xc085e4d0 lr = 0xc085e4d0 ($a+0x54)
sp = 0xdd0cbcb8 fp = 0xdd0cbdb8
Unable to unwind into user mode
db>
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