From owner-freebsd-arm@freebsd.org Sun Sep 10 08:34:39 2017 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EED33E04554 for ; Sun, 10 Sep 2017 08:34:39 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: from asp.reflexion.net (outbound-mail-210-10.reflexion.net [208.70.210.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id ABE2B6B28C for ; Sun, 10 Sep 2017 08:34:39 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: (qmail 31289 invoked from network); 10 Sep 2017 08:39:56 -0000 Received: from unknown (HELO mail-cs-01.app.dca.reflexion.local) (10.81.19.1) by 0 (rfx-qmail) with SMTP; 10 Sep 2017 08:39:56 -0000 Received: by mail-cs-01.app.dca.reflexion.local (Reflexion email security v8.40.2) with SMTP; Sun, 10 Sep 2017 04:34:32 -0400 (EDT) Received: (qmail 20269 invoked from network); 10 Sep 2017 08:34:32 -0000 Received: from unknown (HELO iron2.pdx.net) (69.64.224.71) by 0 (rfx-qmail) with (AES256-SHA encrypted) SMTP; 10 Sep 2017 08:34:32 -0000 Received: from [192.168.1.109] (c-67-170-167-181.hsd1.or.comcast.net [67.170.167.181]) by iron2.pdx.net (Postfix) with ESMTPSA id 67B17EC86EF; Sun, 10 Sep 2017 01:34:31 -0700 (PDT) From: Mark Millard Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: head -r323246 Pine64+ 2GB context: boot1.efi (as bootaa64.efi), I had to revert to an older one that I had around; more Message-Id: <8419C238-702D-4BF7-89DB-EC649CD405A5@dsl-only.net> Date: Sun, 10 Sep 2017 01:34:30 -0700 To: FreeBSD Toolchain , freebsd-arm X-Mailer: Apple Mail (2.3273) X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 10 Sep 2017 08:34:40 -0000 When I attempted to use the result of: # cp -aRx /usr/obj/DESTDIRs/clang-cortexA53-installworld/boot/boot1.efi = /mnt/EFI/BOOT/ the pine64+ boot sequence got over and over a sequence like: U-Boot 2017.07 (Sep 06 2017 - 07:49:12 +0000) Allwinner Technology CPU: Allwinner A64 (SUN50I) Model: Pine64+ DRAM: 2 GiB MMC: SUNXI SD/MMC: 0 *** Warning - bad CRC, using default environment In: serial Out: serial . . . >> FreeBSD EFI boot block Loader path: /boot/loader.efi Initializing modules: ZFS UFS Load Path:=EE=A8=80=EE=A8=80=EE=A8=80=EE=A8=80=EE=A8=80=EE=A8=80=EE=A8=80= "Synchronous Abort" handler, esr 0x96000004 ELR: bdf90b30 LR: bdf8fb6c x0 : 0000000000000000 x1 : 0000000000000000 x2 : 00000000bdffc000 x3 : 0000000040000000 x4 : 00000000b9f34d40 x5 : 0000000000000000 x6 : 0000000000000015 x7 : 0000000000000000 x8 : 00000000bdfa59b8 x9 : 000000000000001c x10: 0000000000000002 x11: 0000000000000000 x12: 0000000000000000 x13: 0000000000000000 x14: 0000000000000000 x15: 0000000000000000 x16: 0000000000000000 x17: 0000000000000000 x18: 00000000b9f39df8 x19: 0000000000000000 x20: 0000000000000000 x21: 0000000000000002 x22: 00000000b8f34c98 x23: 00000000b8f34c88 x24: 00000000b8f34ca0 x25: 00000000000007d0 x26: 00000000b8f34c90 x27: 00000000b8f2f198 x28: 0000000000000000 x29: 00000000b9f34de0 Resetting CPU ... resetting ... I found an old boot1.efi to copy over instead (from back in -r308??? time frames as I remember) and doing the replacement got past this point. Booting with the non-debug kernel appears to hang for a bit and then gets to a db> prompt and a bt showed (for example): (The console output for the register dump seems to always be incomplete and there is a wait to end up at the db> prompt. Note the data_abort closest to the fork_exit .) . . . Release APs APs not started CPU 0: ARM Cortex-A53 r0p4 affinity: 0 Instruction Set Attributes 0 =3D Instruction Set Attributes 1 =3D <0> Processor Features 0 =3D Processor Features 1 =3D <0> Memory Model Features 0 =3D <4k Granule,64k = Granule,MixedEndian,S/NS Mem,16bit ASID,1TB PA> Memory Model Features 1 =3D <> Debug Features 0 =3D <2 CTX Breakpoints,4 Watchpoints,6 = Breakpoints,PMUv3,Debug v8> Debug Features 1 =3D <0> Auxiliary Features 0 =3D <0> Auxiliary Features 1 =3D <0> CPU 1: (null) (null) r0p0 affinity: 0 CPU 2: (null) (null) r0p0 affinity: 0 CPU 3: (null) (null) r0p0 affinity: 0 x0: ffff000000a1c000 x1: fffffd000103a[ thread pid 0 tid 100057 ] Stopped at thread_lock_flags_+0x298: ldr w4, [x3, #156] db> bt Tracing pid 0 tid 100057 td 0xfffffd000103a000 db_trace_self() at db_stack_trace+0xec pc =3D 0xffff000000613688 lr =3D 0xffff000000084db4 sp =3D 0xffff0000698f4260 fp =3D 0xffff0000698f4290 db_stack_trace() at db_command+0x224 pc =3D 0xffff000000084db4 lr =3D 0xffff000000084a3c sp =3D 0xffff0000698f42a0 fp =3D 0xffff0000698f4380 db_command() at db_command_loop+0x60 pc =3D 0xffff000000084a3c lr =3D 0xffff0000000847fc sp =3D 0xffff0000698f4390 fp =3D 0xffff0000698f43b0 db_command_loop() at db_trap+0xf4 pc =3D 0xffff0000000847fc lr =3D 0xffff000000087964 sp =3D 0xffff0000698f43c0 fp =3D 0xffff0000698f45e0 db_trap() at kdb_trap+0x180 pc =3D 0xffff000000087964 lr =3D 0xffff0000003693e0 sp =3D 0xffff0000698f45f0 fp =3D 0xffff0000698f4650 =20 kdb_trap() at do_el1h_sync+0x90 pc =3D 0xffff0000003693e0 lr =3D 0xffff00000062956c sp =3D 0xffff0000698f4660 fp =3D 0xffff0000698f4690 do_el1h_sync() at handle_el1h_sync+0x74 pc =3D 0xffff00000062956c lr =3D 0xffff000000615074 sp =3D 0xffff0000698f46a0 fp =3D 0xffff0000698f47b0 handle_el1h_sync() at kdb_enter+0x38 pc =3D 0xffff000000615074 lr =3D 0xffff000000368ac8 sp =3D 0xffff0000698f47c0 fp =3D 0xffff0000698f4850 kdb_enter() at vpanic+0x180 pc =3D 0xffff000000368ac8 lr =3D 0xffff000000326dd8 sp =3D 0xffff0000698f4860 fp =3D 0xffff0000698f48d0 vpanic() at panic+0x48 pc =3D 0xffff000000326dd8 lr =3D 0xffff000000326c54 sp =3D 0xffff0000698f48e0 fp =3D 0xffff0000698f4960 =20 panic() at data_abort+0x21c pc =3D 0xffff000000326c54 lr =3D 0xffff0000006298e8 sp =3D 0xffff0000698f4970 fp =3D 0xffff0000698f4a20 data_abort() at do_el1h_sync+0xfc pc =3D 0xffff0000006298e8 lr =3D 0xffff0000006295d8 sp =3D 0xffff0000698f4a30 fp =3D 0xffff0000698f4a60 do_el1h_sync() at handle_el1h_sync+0x74 pc =3D 0xffff0000006295d8 lr =3D 0xffff000000615074 sp =3D 0xffff0000698f4a70 fp =3D 0xffff0000698f4b80 handle_el1h_sync() at thread_lock_flags_+0x1a8 pc =3D 0xffff000000615074 lr =3D 0xffff000000309060 sp =3D 0xffff0000698f4b90 fp =3D 0xffff0000698f4c80 thread_lock_flags_() at statclock_cnt+0x11c pc =3D 0xffff000000309060 lr =3D 0xffff0000002c5b90 sp =3D 0xffff0000698f4c90 fp =3D 0xffff0000698f4cb0 =20 statclock_cnt() at handleevents+0x108 pc =3D 0xffff0000002c5b90 lr =3D 0xffff00000064ad84 sp =3D 0xffff0000698f4cc0 fp =3D 0xffff0000698f4d00 handleevents() at timercb+0xe0 pc =3D 0xffff00000064ad84 lr =3D 0xffff00000064b51c sp =3D 0xffff0000698f4d10 fp =3D 0xffff0000698f4d80 timercb() at arm_tmr_intr+0x58 pc =3D 0xffff00000064b51c lr =3D 0xffff000000600e5c sp =3D 0xffff0000698f4d90 fp =3D 0xffff0000698f4d90 arm_tmr_intr() at intr_event_handle+0x64 pc =3D 0xffff000000600e5c lr =3D 0xffff0000002edd50 sp =3D 0xffff0000698f4da0 fp =3D 0xffff0000698f4dd0 intr_event_handle() at intr_isrc_dispatch+0x30 pc =3D 0xffff0000002edd50 lr =3D 0xffff00000064d8ec sp =3D 0xffff0000698f4de0 fp =3D 0xffff0000698f4df0 =20 intr_isrc_dispatch() at arm_gic_intr+0xf0 pc =3D 0xffff00000064d8ec lr =3D 0xffff000000601848 sp =3D 0xffff0000698f4e00 fp =3D 0xffff0000698f4e50 arm_gic_intr() at intr_irq_handler+0x60 pc =3D 0xffff000000601848 lr =3D 0xffff00000064d6e0 sp =3D 0xffff0000698f4e60 fp =3D 0xffff0000698f4e80 intr_irq_handler() at handle_el1h_irq+0x70 pc =3D 0xffff00000064d6e0 lr =3D 0xffff000000615130 sp =3D 0xffff0000698f4e90 fp =3D 0xffff0000698f4fa0 handle_el1h_irq() at ns8250_putc+0x2c pc =3D 0xffff000000615130 lr =3D 0xffff00000019a570 sp =3D 0xffff0000698f4fb0 fp =3D 0xffff0000698f5050 ns8250_putc() at ns8250_putc+0x2c pc =3D 0xffff00000019a570 lr =3D 0xffff00000019a570 sp =3D 0xffff0000698f5060 fp =3D 0xffff0000698f5080 =20 ns8250_putc() at uart_cnputc+0x94 pc =3D 0xffff00000019a570 lr =3D 0xffff0000001a0860 sp =3D 0xffff0000698f5090 fp =3D 0xffff0000698f50c0 uart_cnputc() at cnputc+0x90 pc =3D 0xffff0000001a0860 lr =3D 0xffff0000002cb3a8 sp =3D 0xffff0000698f50d0 fp =3D 0xffff0000698f5120 cnputc() at cnputs+0xb4 pc =3D 0xffff0000002cb3a8 lr =3D 0xffff0000002cb7c8 sp =3D 0xffff0000698f5130 fp =3D 0xffff0000698f5150 cnputs() at putchar+0x158 pc =3D 0xffff0000002cb7c8 lr =3D 0xffff00000036f04c sp =3D 0xffff0000698f5160 fp =3D 0xffff0000698f51e0 putchar() at kvprintf+0xda8 pc =3D 0xffff00000036f04c lr =3D 0xffff00000036ec70 sp =3D 0xffff0000698f51f0 fp =3D 0xffff0000698f5300 =20 kvprintf() at vprintf+0x7c pc =3D 0xffff00000036ec70 lr =3D 0xffff00000036f838 sp =3D 0xffff0000698f5310 fp =3D 0xffff0000698f5420 vprintf() at printf+0x48 pc =3D 0xffff00000036f838 lr =3D 0xffff00000036f7ac sp =3D 0xffff0000698f5430 fp =3D 0xffff0000698f54b0 printf() at print_registers+0x4c pc =3D 0xffff00000036f7ac lr =3D 0xffff00000062966c sp =3D 0xffff0000698f54c0 fp =3D 0xffff0000698f54f0 print_registers() at data_abort+0x1f0 pc =3D 0xffff00000062966c lr =3D 0xffff0000006298bc sp =3D 0xffff0000698f5500 fp =3D 0xffff0000698f55b0 data_abort() at do_el1h_sync+0xfc pc =3D 0xffff0000006298bc lr =3D 0xffff0000006295d8 sp =3D 0xffff0000698f55c0 fp =3D 0xffff0000698f55f0 =20 do_el1h_sync() at handle_el1h_sync+0x74 pc =3D 0xffff0000006295d8 lr =3D 0xffff000000615074 sp =3D 0xffff0000698f5600 fp =3D 0xffff0000698f5710 handle_el1h_sync() at sched_switch+0x54c pc =3D 0xffff000000615074 lr =3D 0xffff000000351dd4 sp =3D 0xffff0000698f5720 fp =3D 0xffff0000698f5800 sched_switch() at mi_switch+0x118 pc =3D 0xffff000000351dd4 lr =3D 0xffff000000330c14 sp =3D 0xffff0000698f5810 fp =3D 0xffff0000698f5830 mi_switch() at taskqgroup_binder+0x74 pc =3D 0xffff000000330c14 lr =3D 0xffff000000367864 sp =3D 0xffff0000698f5840 fp =3D 0xffff0000698f5860 taskqgroup_binder() at gtaskqueue_run_locked+0x160 pc =3D 0xffff000000367864 lr =3D 0xffff000000367710 sp =3D 0xffff0000698f5870 fp =3D 0xffff0000698f58e0 =20 gtaskqueue_run_locked() at gtaskqueue_thread_loop+0xcc pc =3D 0xffff000000367710 lr =3D 0xffff0000003672c8 sp =3D 0xffff0000698f58f0 fp =3D 0xffff0000698f5910 gtaskqueue_thread_loop() at fork_exit+0x94 pc =3D 0xffff0000003672c8 lr =3D 0xffff0000002eab20 sp =3D 0xffff0000698f5920 fp =3D 0xffff0000698f5950 fork_exit() at fork_trampoline+0x10 pc =3D 0xffff0000002eab20 lr =3D 0xffff00000062934c sp =3D 0xffff0000698f5960 fp =3D 0x0000000000000000 Booting with a debug kernel worked fine. (This matches up with past reports about "recent" pine64+ handling.) But trying to have the root file system on a USB SSD drive failed to see the USB drive at all. (This matches up with past reports about "recent" pine64+ handling.) =46rom a separate non-debug kernel boot attempt: (remember the "thread_lock_flags_+0x298: ldr w4, [x3, #156]" but also note x8 in addition to x3) db> show reg spsr 0x96000004000003c5 x0 0xffff00000069b000 $d.2+0x1ac x1 0x2 x2 0xffff00000069ba48 $d.5+0x1d x3 0xdeadc0d8 <<<<<<<<< Note the "0xdeadc0d8" x4 0x3 x5 0xffff000000610cf0 generic_bs_barrier x6 0 x7 0x40 $d.14 x8 0xdeadc0de <<<<<<<<< Note the "0xdeadc0de" x9 0 x10 0x975c860b x11 0x975c860b x12 0x51eb850 x13 0x4 x14 0x66 $d.9+0x26 x15 0xffff0000007004ce hex2ascii_data x16 0 x17 0 x18 0xffff00006990ec10 x19 0xfffffd000103a000 x20 0xffff000000bcee70 blocked_lock+0x18 x21 0xffff00000080e5a8 sdt_lockstat___spin__release x22 0x3938700 x23 0xfffffd000103a000 x24 0xffff000000bcee58 blocked_lock x25 0x4 x26 0x98967f x27 0xffff0000009ef000 next_to_notify x28 0xffff000000bb9000 proc0+0x4f8 x29 0xffff00006990ec80 lr 0xffff000000309064 thread_lock_flags_+0x1ac elr 0xffff000000309154 thread_lock_flags_+0x29c sp 0xffff00006990ec10 thread_lock_flags_+0x298: ldr w4, [x3, #156] db> bt Tracing pid 0 tid 100057 td 0xfffffd000103a000 db_trace_self() at db_stack_trace+0xec pc =3D 0xffff000000613688 lr =3D 0xffff000000084db4 sp =3D 0xffff00006990e260 fp =3D 0xffff00006990e290 db_stack_trace() at db_command+0x224 pc =3D 0xffff000000084db4 lr =3D 0xffff000000084a3c sp =3D 0xffff00006990e2a0 fp =3D 0xffff00006990e380 db_command() at db_command_loop+0x60 pc =3D 0xffff000000084a3c lr =3D 0xffff0000000847fc sp =3D 0xffff00006990e390 fp =3D 0xffff00006990e3b0 db_command_loop() at db_trap+0xf4 pc =3D 0xffff0000000847fc lr =3D 0xffff000000087964 sp =3D 0xffff00006990e3c0 fp =3D 0xffff00006990e5e0 db_trap() at kdb_trap+0x180 pc =3D 0xffff000000087964 lr =3D 0xffff0000003693e0 sp =3D 0xffff00006990e5f0 fp =3D 0xffff00006990e650 =20 kdb_trap() at do_el1h_sync+0x90 pc =3D 0xffff0000003693e0 lr =3D 0xffff00000062956c sp =3D 0xffff00006990e660 fp =3D 0xffff00006990e690 do_el1h_sync() at handle_el1h_sync+0x74 pc =3D 0xffff00000062956c lr =3D 0xffff000000615074 sp =3D 0xffff00006990e6a0 fp =3D 0xffff00006990e7b0 handle_el1h_sync() at kdb_enter+0x38 pc =3D 0xffff000000615074 lr =3D 0xffff000000368ac8 sp =3D 0xffff00006990e7c0 fp =3D 0xffff00006990e850 kdb_enter() at vpanic+0x180 pc =3D 0xffff000000368ac8 lr =3D 0xffff000000326dd8 sp =3D 0xffff00006990e860 fp =3D 0xffff00006990e8d0 vpanic() at panic+0x48 pc =3D 0xffff000000326dd8 lr =3D 0xffff000000326c54 sp =3D 0xffff00006990e8e0 fp =3D 0xffff00006990e960 =20 panic() at data_abort+0x21c pc =3D 0xffff000000326c54 lr =3D 0xffff0000006298e8 sp =3D 0xffff00006990e970 fp =3D 0xffff00006990ea20 data_abort() at do_el1h_sync+0xfc pc =3D 0xffff0000006298e8 lr =3D 0xffff0000006295d8 sp =3D 0xffff00006990ea30 fp =3D 0xffff00006990ea60 do_el1h_sync() at handle_el1h_sync+0x74 pc =3D 0xffff0000006295d8 lr =3D 0xffff000000615074 sp =3D 0xffff00006990ea70 fp =3D 0xffff00006990eb80 handle_el1h_sync() at thread_lock_flags_+0x1a8 pc =3D 0xffff000000615074 lr =3D 0xffff000000309060 sp =3D 0xffff00006990eb90 fp =3D 0xffff00006990ec80 thread_lock_flags_() at statclock_cnt+0x11c pc =3D 0xffff000000309060 lr =3D 0xffff0000002c5b90 sp =3D 0xffff00006990ec90 fp =3D 0xffff00006990ecb0 =20 statclock_cnt() at handleevents+0x108 pc =3D 0xffff0000002c5b90 lr =3D 0xffff00000064ad84 sp =3D 0xffff00006990ecc0 fp =3D 0xffff00006990ed00 handleevents() at timercb+0xe0 pc =3D 0xffff00000064ad84 lr =3D 0xffff00000064b51c sp =3D 0xffff00006990ed10 fp =3D 0xffff00006990ed80 timercb() at arm_tmr_intr+0x58 pc =3D 0xffff00000064b51c lr =3D 0xffff000000600e5c sp =3D 0xffff00006990ed90 fp =3D 0xffff00006990ed90 arm_tmr_intr() at intr_event_handle+0x64 pc =3D 0xffff000000600e5c lr =3D 0xffff0000002edd50 sp =3D 0xffff00006990eda0 fp =3D 0xffff00006990edd0 intr_event_handle() at intr_isrc_dispatch+0x30 pc =3D 0xffff0000002edd50 lr =3D 0xffff00000064d8ec sp =3D 0xffff00006990ede0 fp =3D 0xffff00006990edf0 =20 intr_isrc_dispatch() at arm_gic_intr+0xf0 pc =3D 0xffff00000064d8ec lr =3D 0xffff000000601848 sp =3D 0xffff00006990ee00 fp =3D 0xffff00006990ee50 arm_gic_intr() at intr_irq_handler+0x60 pc =3D 0xffff000000601848 lr =3D 0xffff00000064d6e0 sp =3D 0xffff00006990ee60 fp =3D 0xffff00006990ee80 intr_irq_handler() at handle_el1h_irq+0x70 pc =3D 0xffff00000064d6e0 lr =3D 0xffff000000615130 sp =3D 0xffff00006990ee90 fp =3D 0xffff00006990efa0 handle_el1h_irq() at ns8250_putc+0x2c pc =3D 0xffff000000615130 lr =3D 0xffff00000019a570 sp =3D 0xffff00006990efb0 fp =3D 0xffff00006990f050 ns8250_putc() at ns8250_putc+0x2c pc =3D 0xffff00000019a570 lr =3D 0xffff00000019a570 sp =3D 0xffff00006990f060 fp =3D 0xffff00006990f080 =20 ns8250_putc() at uart_cnputc+0x94 pc =3D 0xffff00000019a570 lr =3D 0xffff0000001a0860 sp =3D 0xffff00006990f090 fp =3D 0xffff00006990f0c0 uart_cnputc() at cnputc+0x90 pc =3D 0xffff0000001a0860 lr =3D 0xffff0000002cb3a8 sp =3D 0xffff00006990f0d0 fp =3D 0xffff00006990f120 cnputc() at cnputs+0xb4 pc =3D 0xffff0000002cb3a8 lr =3D 0xffff0000002cb7c8 sp =3D 0xffff00006990f130 fp =3D 0xffff00006990f150 cnputs() at putchar+0x158 pc =3D 0xffff0000002cb7c8 lr =3D 0xffff00000036f04c sp =3D 0xffff00006990f160 fp =3D 0xffff00006990f1e0 putchar() at kvprintf+0xda8 pc =3D 0xffff00000036f04c lr =3D 0xffff00000036ec70 sp =3D 0xffff00006990f1f0 fp =3D 0xffff00006990f300 =20 kvprintf() at vprintf+0x7c pc =3D 0xffff00000036ec70 lr =3D 0xffff00000036f838 sp =3D 0xffff00006990f310 fp =3D 0xffff00006990f420 vprintf() at printf+0x48 pc =3D 0xffff00000036f838 lr =3D 0xffff00000036f7ac sp =3D 0xffff00006990f430 fp =3D 0xffff00006990f4b0 printf() at print_registers+0x4c pc =3D 0xffff00000036f7ac lr =3D 0xffff00000062966c sp =3D 0xffff00006990f4c0 fp =3D 0xffff00006990f4f0 print_registers() at data_abort+0x1f0 pc =3D 0xffff00000062966c lr =3D 0xffff0000006298bc sp =3D 0xffff00006990f500 fp =3D 0xffff00006990f5b0 data_abort() at do_el1h_sync+0xfc pc =3D 0xffff0000006298bc lr =3D 0xffff0000006295d8 sp =3D 0xffff00006990f5c0 fp =3D 0xffff00006990f5f0 =20 do_el1h_sync() at handle_el1h_sync+0x74 pc =3D 0xffff0000006295d8 lr =3D 0xffff000000615074 sp =3D 0xffff00006990f600 fp =3D 0xffff00006990f710 handle_el1h_sync() at sched_switch+0x54c pc =3D 0xffff000000615074 lr =3D 0xffff000000351dd4 sp =3D 0xffff00006990f720 fp =3D 0xffff00006990f800 sched_switch() at mi_switch+0x118 pc =3D 0xffff000000351dd4 lr =3D 0xffff000000330c14 sp =3D 0xffff00006990f810 fp =3D 0xffff00006990f830 mi_switch() at taskqgroup_binder+0x74 pc =3D 0xffff000000330c14 lr =3D 0xffff000000367864 sp =3D 0xffff00006990f840 fp =3D 0xffff00006990f860 taskqgroup_binder() at gtaskqueue_run_locked+0x160 pc =3D 0xffff000000367864 lr =3D 0xffff000000367710 sp =3D 0xffff00006990f870 fp =3D 0xffff00006990f8e0 =20 gtaskqueue_run_locked() at gtaskqueue_thread_loop+0xcc pc =3D 0xffff000000367710 lr =3D 0xffff0000003672c8 sp =3D 0xffff00006990f8f0 fp =3D 0xffff00006990f910 gtaskqueue_thread_loop() at fork_exit+0x94 pc =3D 0xffff0000003672c8 lr =3D 0xffff0000002eab20 sp =3D 0xffff00006990f920 fp =3D 0xffff00006990f950 fork_exit() at fork_trampoline+0x10 pc =3D 0xffff0000002eab20 lr =3D 0xffff00000062934c sp =3D 0xffff00006990f960 fp =3D 0x0000000000000000 =3D=3D=3D Mark Millard markmi at dsl-only.net