Date: Thu, 5 Nov 2015 11:48:59 +0100 From: Lars Engels <lars.engels@0x20.net> To: arm@freebsd.org Subject: [Banana Pi] Fatal kernel mode data abort: 'Alignment Fault' on read Message-ID: <20151105104859.GQ66179@e-new.0x20.net>
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[-- Attachment #1 --] 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@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] db> bt Tracing pid 13 tid 100024 td 0xc3d8ea20 db_trace_self() at db_trace_self pc = 0xc061795c lr = 0xc0241d10 (db_stack_trace+0x108) sp = 0xea576778 fp = 0xea576790 r10 = 0xc07fbae0 db_stack_trace() at db_stack_trace+0x108 pc = 0xc0241d10 lr = 0xc024175c (db_command+0x388) sp = 0xea576798 fp = 0xea576838 r4 = 0x00000000 r5 = 0x00000000 r6 = 0x00000000 r10 = 0xc07fbae0 db_command() at db_command+0x388 pc = 0xc024175c lr = 0xc02413c4 (db_command_loop+0x74) sp = 0xea576840 fp = 0xea576850 r4 = 0xc0663bc0 r5 = 0xc06817f5 r6 = 0xc07fbacc r7 = 0xea576a90 r8 = 0xc0797d60 r9 = 0xc073e8f4 r10 = 0xc0797d64 db_command_loop() at db_command_loop+0x74 pc = 0xc02413c4 lr = 0xc0243ef4 (db_trap+0x108) sp = 0xea576858 fp = 0xea576970 r4 = 0x00000000 r5 = 0xc07fbad8 r6 = 0xc0797d88 r10 = 0xc0797d64 db_trap() at db_trap+0x108 pc = 0xc0243ef4 lr = 0xc03be9dc (kdb_trap+0x184) sp = 0xea576978 fp = 0xea5769a0 r4 = 0x00000000 r5 = 0x00000001 r6 = 0xc0797d88 r7 = 0xea576a90 kdb_trap() at kdb_trap+0x184 pc = 0xc03be9dc lr = 0xc062f83c (abort_fatal+0x1d4) sp = 0xea5769a8 fp = 0xea5769c8 r4 = 0xea576a90 r5 = 0x00000013 r6 = 0xc43a1d6e r7 = 0x00000001 r8 = 0x00000001 r9 = 0xc3d8ea20 r10 = 0x00000013 abort_fatal() at abort_fatal+0x1d4 pc = 0xc062f83c lr = 0xc062f8fc (uiomove_fromphys) sp = 0xea5769d0 fp = 0xea5769e8 r4 = 0xea576a90 r5 = 0xc3d8ea20 r6 = 0x00000001 r7 = 0x00000001 r8 = 0xc43a1d6e r10 = 0x00000013 uiomove_fromphys() at uiomove_fromphys pc = 0xc062f8fc lr = 0xc062f5d4 (abort_handler+0x448) sp = 0xea5769f0 fp = 0xea576a88 r4 = 0xc062f8fc r5 = 0x00000000 r6 = 0xc3d8ea20 r7 = 0xea576a10 r8 = 0x00000013 r9 = 0xea576a90 r10 = 0xc062f84c abort_handler() at abort_handler+0x448 pc = 0xc062f5d4 lr = 0xc0618ff4 (exception_exit) sp = 0xea576a90 fp = 0xea576bf8 r4 = 0x00000000 r5 = 0xc43a1d6a r6 = 0x00000028 r7 = 0xc43a1d56 r8 = 0x00000000 r9 = 0x00000014 r10 = 0x00000028 exception_exit() at exception_exit pc = 0xc0618ff4 lr = 0xc061aba4 (in_cksum+0x3c) sp = 0xea576b20 fp = 0xea576bf8 r0 = 0x00000014 r1 = 0x0000003c r2 = 0x0000003c r3 = 0x00000903 r4 = 0x00000000 r5 = 0xc43a1d6a r6 = 0x00000028 r7 = 0xc43a1d56 r8 = 0x00000000 r9 = 0x00000014 r10 = 0x00000028 r12 = 0x00000000 tcp_input() at tcp_input+0x824 pc = 0xc04f68ec lr = 0xc04811f0 (ip_input+0x164) sp = 0xea576c00 fp = 0xea576c38 r4 = 0xc43a1d56 r5 = 0xc43f00b8 r6 = 0x00000016 r7 = 0x00000000 r8 = 0x00000000 r9 = 0xc0771720 r10 = 0xc07fe444 ip_input() at ip_input+0x164 pc = 0xc04811f0 lr = 0xc045fea0 (netisr_dispatch_src+0xc4) sp = 0xea576c40 fp = 0xea576c68 r4 = 0x00000001 r5 = 0xc43a1d00 r6 = 0x00000000 r7 = 0xc07f78b0 r8 = 0x00000800 r9 = 0xc07f78f8 r10 = 0xc3d69400 netisr_dispatch_src() at netisr_dispatch_src+0xc4 pc = 0xc045fea0 lr = 0xc045bf90 (ether_demux+0x1c4) sp = 0xea576c70 fp = 0xea576c80 r4 = 0xc3d69400 r5 = 0x00000800 r6 = 0xc43a1d48 r7 = 0xc43a1d10 r8 = 0x00000800 r9 = 0xc07f7978 r10 = 0xc3d69400 ether_demux() at ether_demux+0x1c4 pc = 0xc045bf90 lr = 0xc045cd84 (ether_nh_input+0x3c4) sp = 0xea576c88 fp = 0xea576ca8 r4 = 0xc3d69400 r5 = 0xc43a1d00 ether_nh_input() at ether_nh_input+0x3c4 pc = 0xc045cd84 lr = 0xc045fea0 (netisr_dispatch_src+0xc4) sp = 0xea576cb0 fp = 0xea576cd8 r4 = 0x00000005 r5 = 0xc43a1d00 r6 = 0x00000000 r7 = 0xc07f7930 r8 = 0xc0695640 r10 = 0xc3d69400 netisr_dispatch_src() at netisr_dispatch_src+0xc4 pc = 0xc045fea0 lr = 0xc045c2c0 (ether_input+0x60) sp = 0xea576ce0 fp = 0xea576cf8 r4 = 0xc3d69400 r5 = 0xc43a1d00 r6 = 0x00000000 r7 = 0x00000000 r8 = 0xc0695640 r9 = 0xc0695653 r10 = 0xc3d69400 ether_input() at ether_input+0x60 pc = 0xc045c2c0 lr = 0xc5764d88 (uether_rxflush+0x84) sp = 0xea576d00 fp = 0xea576d18 r4 = 0xc4474800 r5 = 0xc3d69400 r6 = 0xc5764f4f r7 = 0xc43a1d00 r8 = 0x00000000 r9 = 0xc48ee0c0 uether_rxflush() at uether_rxflush+0x84 pc = 0xc5764d88 lr = 0xc47b47e8 (urndis_bulk_read_callback+0x3a4) sp = 0xea576d20 fp = 0xea576d98 r4 = 0xc4474800 r5 = 0xc3d69400 r6 = 0xc47bdae0 r7 = 0xc48eeaa0 r8 = 0x00000076 r10 = 0xc3d69400 urndis_bulk_read_callback() at urndis_bulk_read_callback+0x3a4 pc = 0xc47b47e8 lr = 0xc02a528c (usbd_callback_wrapper+0x6cc) sp = 0xea576da0 fp = 0xea576dd8 r4 = 0xc48ee0c0 r5 = 0xc48ee173 r6 = 0xc066e31c r7 = 0xc448c4b8 r8 = 0xc48ee000 r9 = 0xc078632c r10 = 0xc48ee030 usbd_callback_wrapper() at usbd_callback_wrapper+0x6cc pc = 0xc02a528c lr = 0xc02a6550 (usb_command_wrapper+0x174) sp = 0xea576de0 fp = 0xea576df8 r4 = 0xc48ee030 r5 = 0xc078632c r6 = 0xc066e66b r7 = 0xc066e692 r8 = 0x00000000 r9 = 0xc066e67f r10 = 0xc3e28d0c usb_command_wrapper() at usb_command_wrapper+0x174 pc = 0xc02a6550 lr = 0xc02a5498 (usb_callback_proc+0x68) sp = 0xea576e00 fp = 0xea576e08 r4 = 0xc066e31c r5 = 0xc48ee000 r6 = 0xc48ee044 r7 = 0xc066dc12 r8 = 0xc0786374 r9 = 0xc066dc1e usb_callback_proc() at usb_callback_proc+0x68 pc = 0xc02a5498 lr = 0xc02a0354 (usb_process+0xdc) sp = 0xea576e10 fp = 0xea576e30 r4 = 0xc3e28cfc r5 = 0xc3e28d04 usb_process() at usb_process+0xdc pc = 0xc02a0354 lr = 0xc034da54 (fork_exit+0xa0) sp = 0xea576e38 fp = 0xea576e50 r4 = 0xc3d8ea20 r5 = 0xc3d88000 r6 = 0xc02a0278 r7 = 0xc3e28cfc r8 = 0xea576e58 r9 = 0x00000000 r10 = 0x00000000 fork_exit() at fork_exit+0xa0 pc = 0xc034da54 lr = 0xc0618f84 (swi_exit) sp = 0xea576e58 fp = 0x00000000 r4 = 0xc02a0278 r5 = 0xc3e28cfc r6 = 0x00000000 r7 = 0x00000000 r8 = 0x00000000 r10 = 0x00000000 swi_exit() at swi_exit pc = 0xc0618f84 lr = 0xc0618f84 (swi_exit) sp = 0xea576e58 fp = 0x00000000 db> [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQF8BAEBCgBmBQJWOzQbXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w 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