Date: Mon, 7 Jan 2019 12:07:51 +0800 From: AudioONE <audioone.official@gmail.com> To: freebsd-arm@freebsd.org Subject: Re: i.MX6 DualLite stuck at early boot Message-ID: <CAL5b%2BC2p8fzatgoPKEm8xvzeH79=sMgi-Y4O0xVJbYFyvhzatA@mail.gmail.com> In-Reply-To: <CAL5b%2BC2wZUmsnGGD6Ni_uExNaJMrLe=N%2Bz78qzdA6y1hhh-kLQ@mail.gmail.com> References: <CAL5b%2BC1D0-V=kvQH3L7c0HJMJA7QU18bjJyYxpjPBkKG7LS%2BZQ@mail.gmail.com> <CAL5b%2BC2wZUmsnGGD6Ni_uExNaJMrLe=N%2Bz78qzdA6y1hhh-kLQ@mail.gmail.com>
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well, finally, everything works as expected, it turns out wrong memory setting in u-boot,the code of BSD-kernel is totoally fine, next step: pico-iMX7d Kernel entry at 0x0x12200100... Kernel args: (null) Copyright (c) 1992-2016 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 11.0-RELEASE-p1 #0 r309528M: Mon Jan 7 03:48:21 HKT 2019 root@4160059805-freebsd-xeon:/mnt/dev/bsdbuild/arm.armv6/mnt/dev/11/sys/IBOOK arm FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on LLVM 3.8.0) Preloaded elf kernel "/boot/kernel/kernel" at 0xc4843000. CPU: Cortex A9-r2 rev 10 (Cortex-A core) Supported features: ARM_ISA THUMB2 JAZELLE THUMBEE ARMv4 Security_Ext WB enabled LABT branch prediction disabled LoUU:2 LoC:2 LoUIS:2 Cache level 1: 32KB/32B 4-way data cache WB Read-Alloc Write-Alloc 32KB/32B 4-way instruction cache Read-Alloc real memory = 1073676288 (1023 MB) avail memory = 1006530560 (959 MB) Physical memory chunk(s): 0x10000000 - 0x4ffeffff, 1023 MB ( 262128 pages) Excluded memory regions: 0x12200000 - 0x14b73fff, 41 MB ( 10612 pages) NoAlloc Static device mappings: 0x00a00000 - 0x00afffff mapped at VA 0xffe00000 0x02000000 - 0x020fffff mapped at VA 0xffd00000 0x02100000 - 0x021fffff mapped at VA 0xffc00000 FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs ULE: setup cpu 0 ULE: setup cpu 1 random: entropy device external interface openfirm: <Open Firmware control device> nfslock: pseudo-device mem: <memory> crypto: <crypto core> null: <full device, null device, zero device> random: harvesting attach, 8 bytes (4 bits) from nexus0 ofwbus0: <Open Firmware Device Tree> simplebus0: <Flattened device tree simple bus> on ofwbus0 simplebus1: <Flattened device tree simple bus> mem 0x2000000-0x20fffff on simplebus0 imx6_anatop0: <Freescale i.MX6 Analog PLLs and Power> mem 0x20c8000-0x20c8fff on simplebus1 random: harvesting attach, 8 bytes (4 bits) from imx6_anatop0 random: harvesting attach, 8 bytes (4 bits) from simplebus1 simplebus2: <Flattened device tree simple bus> mem 0x2100000-0x21fffff on simplebus0 random: harvesting attach, 8 bytes (4 bits) from simplebus2 random: harvesting attach, 8 bytes (4 bits) from simplebus0 random: harvesting attach, 8 bytes (4 bits) from ofwbus0 ocotp0: <Freescale On-Chip One-Time-Programmable Memory> mem 0x21bc000-0x21bffff on simplebus2 random: harvesting attach, 8 bytes (4 bits) from ocotp0 ccm0: <Freescale i.MX6 Clock Control Module> mem 0x20c4000-0x20c7fff on simplebus1 random: harvesting attach, 8 bytes (4 bits) from ccm0 l2cache0: <PL310 L2 cache controller> mem 0xa02000-0xa02fff on simplebus0 simplebus0: no default resources for rid = 0, type = 1 l2cache0: cannot allocate IRQ, not using interrupt l2cache0: Part number: 0x3, release: 0x8 l2cache0: L2 Cache enabled: 512KB/32B 16 ways l2cache0: Early BRESP response: disabled l2cache0: Instruction prefetch: disabled l2cache0: Data prefetch: disabled l2cache0: Non-secure interrupt control: disabled l2cache0: Non-secure lockdown: disabled l2cache0: Share override: disabled l2cache0: Double linefill: disabled l2cache0: Instruction prefetch: disabled l2cache0: Data prefetch: disabled l2cache0: Double linefill on WRAP request: disabled l2cache0: Prefetch drop: disabled l2cache0: Incr double Linefill: disabled l2cache0: Not same ID on exclusive sequence: disabled l2cache0: Prefetch offset: 0 random: harvesting attach, 8 bytes (4 bits) from l2cache0 imx6_anatop0: CPU 792MHz @ 1150mV imx_iomux0: <Freescale i.MX pin configuration> mem 0x20e0000-0x20e3fff on simplebus1 Processing 1 pin-config node(s) in pinctrl-0 for ecspi@0200C000 spi2: muxreg 0x004c muxval 0x02 inpreg 0x07f8 inpval 0x00 padreg 0x0360 padval 0x000130b0 spi2: muxreg 0x0050 muxval 0x02 inpreg 0x0800 inpval 0x00 padreg 0x0364 padval 0x000130b0 spi2: muxreg 0x0084 muxval 0x02 inpreg 0x07f4 inpval 0x00 padreg 0x0398 padval 0x000130b0 spi2: muxreg 0x0088 muxval 0x02 inpreg 0x07fc inpval 0x00 padreg 0x039c padval 0x000130b0 random: harvesting attach, 8 bytes (4 bits) from imx_iomux0 gic0: <ARM Generic Interrupt Controller> mem 0xa01000-0xa01fff,0xa00100-0xa001ff on simplebus0 simplebus0: no default resources for rid = 0, type = 1 gic0: pn 0x390, arch 0x1, rev 0x2, implementer 0x43b irqs 160 random: harvesting attach, 8 bytes (4 bits) from gic0 imx_gpt0: <Freescale i.MX GPT timer> mem 0x2098000-0x209bfff on simplebus1 imx_gpt0: Running on 66000KHz clock, base freq 66000000Hz CR=0x0000027d, PR=0x00000000 Event timer "iMXGPT" frequency 66000000 Hz quality 800 Timecounter "iMXGPT" frequency 66000000 Hz quality 1000 random: harvesting attach, 8 bytes (4 bits) from imx_gpt0 mp_tmr0: <ARM MPCore Timers> mem 0xa00200-0xa002ff,0xa00600-0xa006ff on simplebus0 mp_tmr0: not using variable-frequency device as timecounterEvent timer "MPCore" frequency 396000000 Hz quality 1000 random: harvesting attach, 8 bytes (4 bits) from mp_tmr0 cpulist0: <Open Firmware CPU Group> on ofwbus0 cpu0: <Open Firmware CPU> on cpulist0 random: harvesting attach, 8 bytes (4 bits) from cpu0 random: harvesting attach, 8 bytes (4 bits) from cpulist0 simplebus0: <pcie@01000000> mem 0x1ffc000-0x1ffffff,0x1f00000-0x1f7ffff type pci compat imx,pcie (no driver attached) src0: <Freescale i.MX6 System Reset Controller> mem 0x20d8000-0x20d80ff on simplebus1 random: harvesting attach, 8 bytes (4 bits) from src0 simplebus1: <sdma@020ec000> mem 0x20ec000-0x20effff disabled compat fsl,imx6q-sdma (no driver attached) simplebus1: <gpio@0209c000> mem 0x209c000-0x209ffff disabled compat fsl,imx6q-gpio (no driver attached) simplebus1: <gpio@020a0000> mem 0x20a0000-0x20a3fff disabled compat fsl,imx6q-gpio (no driver attached) simplebus1: <gpio@020a4000> mem 0x20a4000-0x20a7fff disabled compat fsl,imx6q-gpio (no driver attached) simplebus1: <gpio@020a8000> mem 0x20a8000-0x20abfff disabled compat fsl,imx6q-gpio (no driver attached) simplebus1: <gpio@020ac000> mem 0x20ac000-0x20affff disabled compat fsl,imx6q-gpio (no driver attached) simplebus1: <gpio@020b0000> mem 0x20b0000-0x20b3fff disabled compat fsl,imx6q-gpio (no driver attached) simplebus1: <gpio@020b4000> mem 0x20b4000-0x20b7fff disabled compat fsl,imx6q-gpio (no driver attached) imx_wdog0: <Freescale i.MX Watchdog> mem 0x20bc000-0x20bffff on simplebus1 random: harvesting attach, 8 bytes (4 bits) from imx_wdog0 simplebus1: <serial@02020000> mem 0x2020000-0x2023fff disabled compat fsl,imx6q-uart (no driver attached) simplebus1: <usbphy@020c9000> mem 0x20c9000-0x20c9fff disabled compat fsl,imx6q-usbphy (no driver attached) simplebus1: <usbphy@020ca000> mem 0x20ca000-0x20cafff disabled compat fsl,imx6q-usbphy (no driver attached) simplebus1: <ecspi@02008000> mem 0x2008000-0x200bfff disabled compat fsl,imx6q-ecspi (no driver attached) simplebus1: <ecspi@0200C000> mem 0x200c000-0x200ffff compat fsl,imx6q-ecspi (no driver attached) simplebus1: <ecspi@02010000> mem 0x2010000-0x2013fff disabled compat fsl,imx6q-ecspi (no driver attached) simplebus1: <ecspi@02014000> mem 0x2014000-0x2017fff disabled compat fsl,imx6q-ecspi (no driver attached) simplebus1: <ecspi@02018000> mem 0x2018000-0x201bfff disabled compat fsl,imx6q-ecspi (no driver attached) simplebus1: <ssi@02028000> mem 0x2028000-0x202bfff disabled compat fsl,imx6q-ssi (no driver attached) simplebus1: <ssi@0202C000> mem 0x202c000-0x202ffff disabled compat fsl,imx6q-ssi (no driver attached) simplebus1: <ssi@02030000> mem 0x2030000-0x2033fff disabled compat fsl,imx6q-ssi (no driver attached) simplebus2: <i2c@021a0000> mem 0x21a0000-0x21a3fff disabled compat fsl,imx6q-i2c (no driver attached) simplebus2: <i2c@021a4000> mem 0x21a4000-0x21a7fff disabled compat fsl,imx6q-i2c (no driver attached) simplebus2: <i2c@021ac000> mem 0x21a8000-0x21abfff disabled compat fsl,imx6q-i2c (no driver attached) ffec0: <Freescale Gigabit Ethernet Controller> mem 0x2188000-0x218bfff on simplebus2 ffec0: MAC address 00:01:90:00:b2:4f: ffec0: PHY preamble disabled miibus0: <MII bus> on ffec0 atphy0: <Atheros F1 10/100/1000 PHY> PHY 1 on miibus0 atphy0: OUI 0x00c82e, model 0x0007, rev. 4 atphy0: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseSX-FDX, 1000baseT-FDX, 1000baseT-FDX-master, auto random: harvesting attach, 8 bytes (4 bits) from atphy0 random: harvesting attach, 8 bytes (4 bits) from miibus0 ffec0: bpf attached ffec0: Ethernet address: 00:01:90:00:b2:4f random: harvesting attach, 8 bytes (4 bits) from ffec0 simplebus2: <usb@02184000> mem 0x2184000-0x21841ff disabled compat fsl,imx6q-usb (no driver attached) simplebus2: <usb@02184200> mem 0x2184200-0x21843ff disabled compat fsl,imx6q-usb (no driver attached) simplebus2: <usb@02184400> mem 0x2184400-0x21845ff disabled compat fsl,imx6q-usb (no driver attached) simplebus2: <usb@02184600> mem 0x2184600-0x21847ff disabled compat fsl,imx6q-usb (no driver attached) simplebus2: <usbmisc@02184800> mem 0x2184800-0x21849ff compat fsl,imx6q-usbmisc (no driver attached) simplebus2: <usdhc@02190000> mem 0x2190000-0x2193fff disabled compat fsl,imx6q-usdhc (no driver attached) sdhci_imx0: <Freescale uSDHC controller> mem 0x2194000-0x2197fff on simplebus2 sdhci_imx0-slot0: 200MHz HS 1bit 3.3V 3.0V PIO sdhci_imx0-slot0: ============== REGISTER DUMP ============== sdhci_imx0-slot0: Sys addr: 0x00000000 | Version: 0x00000002 sdhci_imx0-slot0: Blk size: 0x00000200 | Blk cnt: 0x00000001 sdhci_imx0-slot0: Argument: 0x00000000 | Trn mode: 0x00000000 sdhci_imx0-slot0: Present: 0x00f90000 | Host ctl: 0x00000002 sdhci_imx0-slot0: Power: 0x0000000d | Blk gap: 0x00000080 sdhci_imx0-slot0: Wake-up: 0x00000000 | Clock: 0x00000007 sdhci_imx0-slot0: Timeout: 0x0000008c | Int stat: 0x00000000 sdhci_imx0-slot0: Int enab: 0x017f00fb | Sig enab: 0x017f00fb sdhci_imx0-slot0: AC12 err: 0x00000000 | Slot int: 0x00000000 sdhci_imx0-slot0: Caps: 0x03770000 | Max curr: 0x80000000 sdhci_imx0-slot0: =========================================== random: harvesting attach, 8 bytes (4 bits) from sdhci_imx0 simplebus2: <usdhc@02198000> mem 0x2198000-0x219bfff disabled compat fsl,imx6q-usdhc (no driver attached) simplebus2: <usdhc@0219c000> mem 0x219c000-0x219ffff disabled compat fsl,imx6q-usdhc (no driver attached) simplebus2: <audmux@021d8000> mem 0x21d8000-0x21dbfff disabled compat fsl,imx6q-audmux (no driver attached) simplebus2: <serial@021e8000> mem 0x21e8000-0x21ebfff disabled compat fsl,imx6q-uart (no driver attached) uart0: <Freescale i.MX UART> mem 0x21ec000-0x21effff on simplebus2 uart0: console (115200,n,8,1) uart0: fast interrupt uart0: PPS capture mode: DCDinvalid random: harvesting attach, 8 bytes (4 bits) from uart0 simplebus2: <serial@021f0000> mem 0x21f0000-0x21f3fff disabled compat fsl,imx6q-uart (no driver attached) simplebus2: <serial@021f4000> mem 0x21f4000-0x21f7fff disabled compat fsl,imx6q-uart (no driver attached) cryptosoft0: <software crypto> crypto: assign cryptosoft0 driver id 0, flags 100663296 random: harvesting attach, 8 bytes (4 bits) from cryptosoft0 Timecounters tick every 2.000 msec lo0: bpf attached crypto: <crypto device> IPsec: Initialized Security Association Processing. tcp_init: net.inet.tcp.tcbhashsize auto tuned to 8192 md0: Embedded image 35856384 bytes at 0xc2459476 (noperiph:sdhci_imx0:0:-1:ffffffff): Set up the mmcprobe device... sdhci_imx0-slot0: VDD => 21 sdhci_imx0-slot0: Divider 250 for freq 400000 (base 200000000) Release APs mmc_probedone: remaining freezecnt 1 Trying to mount root from ufs:md0 []... mmc_probedone: remaining freezecnt 0 mmc_probedone: remaining freezecnt 0 warning: no time-of-day clock registered, system time will not be set accurately mmc_probedone: remaining freezecnt 0 start_init: trying /sbin/init mmc_probedone: remaining freezecnt 0 mmc_probedone: remaining freezecnt 0 mmc_probedone: remaining freezecnt 0 mmc_probedone: remaining freezecnt 0 mmc_probedone: remaining freezecnt 0 mmc_probedone: remaining freezecnt 0 mmc_probedone: remaining freezecnt 0 mmc_probedone: remaining freezecnt 0 mmc_probedone: remaining freezecnt 0 mmc_probedone: remaining freezecnt 1 Got AC_FOUND_DEVICE -- whatever... pass0 at sdhci_imx0 bus 0 scbus0 target 0 lun 0 pass0: Relative addr: 00000001 Card features: <Memory High-Capacity SD2.0-Conditions > Card memory OCR: 40ff8000 XPT info: CLK 001D, ... sdda0 at sdhci_imx0 bus 0 scbus0 target 0 lun 0 GEOM: new disk sdda0 sdda0: Relative addr: 00000001 Card features: <Memory High-Capacity SD2.0-Conditions > Card memory OCR: 40ff8000 sdda0: Serial Number 000003E XPT info: CLK 001D, ... sdda0: SDHC SD16G 2.0 SN 000003E7 MFG 09/2018 by 65 42 Acquired periph Ok mmc_probedone: remaining freezecnt 0 Bus width set to 4 bit mmc_probedone: remaining freezecnt 0 Starting file system checks: /dev/md0: FILE SYSTEM CLEAN; SKIPPING CHECKS /dev/md0: clean, 2085 free (29 frags, 257 blocks, f% fragmentation) usage: sleep seconds /etc/rc: WARNING: $nandinit_enable is not set properly - see rc.conf(5). /etc/rc: WARNING: hostid: unable to figure out a UUID from DMI data, generating a new one usage: sleep seconds Setting hostuuid: Setting hostid: Mounting local filesystems:. ELF ldconfig path: /lib /usr/lib random: unblocking device. Soft Float compatibility ldconfig path: Setting hostname: ibook. Additional TCP/IP options: ipv4-mapped-ipv6=YES. Setting up harvesting: [UMA],[FS_ATIME],SWI,INTERRUPT,NET_NG,NET_ETHER,NET_TUN,MOUSE,KEYBOARD,ATTACH,CACHED Feeding entropy: . ifconfig: can't set link-level netmask or broadcast ifconfig: can't set link-level netmask or broadcast ifconfig: can't set link-level netmask or broadcast ifconfig: ioctl (SIOCAIFADDR): Invalid argument ffec0: link state changed to DOWN usage: sleep seconds usage: sleep seconds Starting Network: lo0 ffec0. lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6> groups: lo ffec0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=80008<VLAN_MTU,LINKSTATE> ether 00:01:90:00:b2:4f media: Ethernet autoselect (none) status: no carrier Starting devd. add host 127.0.0.1: gateway lo0 add host ::1: gateway lo0 fib 0: route already in table add net fe80::: gateway ::1 add net ff02::: gateway ::1 add net ::ffff:0.0.0.0: gateway ::1 add net ::0.0.0.0: gateway ::1 Generating host.conf. Warning: unrecognized source [mdns] Waiting 30s for the default route interface: usage: sleep seconds .usage: sleep seconds .usage: sleep seconds .usage: sleep seconds .usage: sleep seconds Starting rpcbind. Jan 6 19:47:39 rpcbind: cannot bind * on udp: Can't assign requested address Jan 6 19:47:39 rpcbind: cannot bind * on tcp: Can't assign requested address Clearing /tmp (X related). Starting mountd. Starting nfsuserd. nfsuserd: svc_tli_create: could not bind to anonymous port nfsuserd: Can't set up socket: Can't assign requested address /etc/rc: WARNING: Unable to force nfsuserd. It may already be running. /etc/rc: ERROR: Cannot run nfsuserd Mounting late filesystems:. Performing sanity check on sshd configuration. Starting sshd. Starting cron. Starting background file system checks in 60 seconds. Sun Jan 6 19:47:53 UTC 2019 > > no luck to set sp_enabled = 0, any ideas? > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208381 > > >> okay....... after days and days mind storm(mind fuck), finally, I can >> enter DDB, here is what I did in [reinit_mmu], maybe can help someone. >> >> >> ============================== >> >> ASENTRY_NP(reinit_mmu) >> push {r4-r11, lr} >> mov r4, r0 >> mov r5, r1 >> mov r6, r2 >> >> + /* Only for Cortex-A9 Errdata Fix */ >> + mrc p15, 0, r0, c15, c0, 1 @ read diagnostic register >> + orr r0, r0, #1 << 4 @ set bit #4 >> + orr r0, r0, #1 << 6 @ set bit #6 >> + orr r0, r0, #1 << 11 @ set bit #11 >> + orr r0, r0, #1 << 21 @ set bit #21 >> + mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register >> + DSB >> + ISB >> >> . >> . >> . >> . >> #else >> bl dcache_inv_pou_all >> #endif >> mcr CP15_ICIALLU >> + mcr CP15_TLBIALL /* Flush TLB */ >> + mcr CP15_BPIALL /* Flush Branch predictor */ >> DSB >> ISB >> >> >> /* Set auxiliary register */ >> mrc CP15_ACTLR(r7) >> . >> . >> . >> >> END(reinit_mmu) >> ============================== >> >> my new problem is OS panic at same address "FAR=0000ec10"(after reset the >> eval-board many times), what does it mean? something wrong with FDT? I use >> wandboard-dual dts file(1 GB memory) >> >> >> U-Boot 2016.05 (Dec 31 2018 - 22:57:28 +0800) >> >> CPU: Freescale i.MX6DL rev1.2 at 792 MHz >> Reset cause: POR >> Board: MX6DL-Armadillo2 >> DRAM: 1 GiB >> WARNING: Caches not enabled >> MMC: FSL_SDHC: 0 >> *** Warning - bad CRC, using default environment >> >> In: serial >> Out: serial >> Err: serial >> Net: FEC >> Error: FEC address not set. >> >> Hit any key to stop autoboot: 0 >> reading tarker >> ** Unable to read file tarker ** >> reading tmpker >> ** Unable to read file tmpker ** >> Booting BSD loader >> reading ubldr.bin >> 185536 bytes read in 40 ms (4.4 MiB/s) >> ## Starting application at 0x12000000 ... >> Consoles: U-Boot console >> Compatible U-Boot API signature found @0x4fd703e0 >> >> FreeBSD/armv6 U-Boot loader, Revision 1.2 >> (root@freebsd-x250, Sat Dec 15 17:17:42 HKT 2018) >> >> DRAM: 1024MB >> Number of U-Boot devices: 2 >> U-Boot env: loaderdev not set, will probe all devices. >> Found U-Boot device: disk >> Probing all disk devices... >> Checking unit=0 slice=<auto> partition=<auto>... good. >> Booting from disk0s2: >> / >> /boot/kernel/kernel data=0x580b24+0xb74dc - >> Hit [Enter] to boot immediately, or any other key for command prompt. >> Booting [/boot/kernel/kernel]... >> Kernel entry at 0x0x12200100... >> Kernel args: (null) >> initarm: console initialized >> arg1 kmdp = 0xc2639000 >> boothowto = 0x00000000 >> dtbp = 0xc254af08 >> lastaddr1: 0x1283a000 >> loader passed (static) kenv: >> loader_envp = 0xc2638000 >> c2638000 LINES=24 >> c2638009 console=uboot >> c2638017 currdev=disk0s2: >> c2638028 kerflag= >> c2638031 kernelname=/boot/kernel/kernel >> c2638050 loaddev=disk0s2: >> c2638061 prompt=loader> >> c2638070 twiddle_divisor=1 >> imx_wdog_init_last_reset >> ARM Debug Architecture v7 >> 4 watchpoints and 6 breakpoints supported >> KDB: debugger backends: ddb >> KDB: current backend: ddb >> Copyright (c) 1992-2016 The FreeBSD Project. >> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 >> The Regents of the University of California. All rights reserved. >> FreeBSD is a registered trademark of The FreeBSD Foundation. >> FreeBSD 11.0-RELEASE-p1 #180 r309528M: Thu Jan 3 10:42:45 HKT 2019 >> root@4160059805-freebsd-xeon:/mnt/dev/bsdbuild/arm.armv6/mnt/dev/11/sys/IMX6 >> arm >> FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on >> LLVM 3.8.0) >> WARNING: WITNESS option enabled, expect reduced performance. >> WARNING: DIAGNOSTIC option enabled, expect reduced performance. >> subsystem 1000000 >> 0xc23e0b88(0)... Fatal kernel mode data abort: 'Translation Fault >> (L1)' on read >> trapframe: 0xc2713d18 >> FSR=00000005, FAR=0000ec10, spsr=600000d3 >> r0 =12998000, r1 =c2ffc010, r2 =00000001, r3 =c261c07c >> r4 =00000006, r5 =c261c074, r6 =00000000, r7 =2a600000 >> r8 =c2ffc059, r9 =00000000, r10=c260ba28, r11=c2713dd8 >> r12=c2ffc014, ssp=c2713da8, slr=0000ec10, pc =c23fa450 >> >> [ thread pid 0 tid 0 ] >> Stopped at 0xc23fa450 >> db> bt >> Tracing pid 0 tid 0 td 0xc2617190 >> KDB: reentering >> KDB: stack backtrace: >> KDB: reentering >> KDB: stack backtrace: >> blahblahblah..... >> blahblahblah..... >> blahblahblah..... >> blahblahblah..... >> KDB: reentering >> KDB: stack backtrace: >> KDB: reentering >> KDB: stack backtrace: >> panic: pmap_fault: pm_pt1 abort >> cpuid = 0 >> Uptime: 1s >> >> >> >> > hi guys >> > >> > >> I've got a small brand eval-board which built with MCIMX6U6AVM08AC and >> running FreeBSD 11.0.1(I have tried HEAD version, 12.0-BETA3, it didn't >> work too), ubldr stage is fine but it stucked at "reinit_mmu" >> function(FreeBSD might be have assembly printf for debug environment, >> because aseeembly code just like a blackbox when you without JTAG debugger >> in hand ) >> > >> > ====================================== >> > Booting from disk0s2: >> > / >> > /boot/kernel/kernel data=0x57b564+0x58a9c >> syms=[0x4+0x6e9d0+0x4+0x77ada] >> > Hit [Enter] to boot immediately, or any other key for command prompt. >> > Booting [/boot/kernel/kernel]... >> > Kernel entry at 0x0x12200100... >> > Kernel args: (null) >> > EARL_DEBUG: pmap_kern_ttb 0x1290004a, actlr_mask 0xc1, actlr_set 0x41 >> > (nothing) >> > ====================================== >> > >> > >> > >> > when I trace the code to "reinit_mmu" function, commented code like >> this, kernel panic and reported "Asynchronous External Abort". Am I the >> only one who meet this WEIRD case? I got AM3352/AM3354/Zynq7 platforms, >> they works fine with kernel 11.0.1. Is it something different between i.MX6 >> Dual(Wandboard) and i.MX6 DualLite? >> > >> > /* Enable caches. */ >> > mrc CP15_SCTLR(r7) >> > // it will be stucked if don't commented this code >> > /* orr r7, #CPU_CONTROL_DC_ENABLE //DEBUG >> > orr r7, #CPU_CONTROL_IC_ENABLE //DEBUG >> > orr r7, #CPU_CONTROL_BPRD_ENABLE //DEBUG */ >> > mcr CP15_SCTLR(r7) >> > DSB >> > >> > mcr CP15_TTBR0(r4) /* Set new TTB */ >> > DSB >> > ISB >> > >> > // it will be stucked if don't commented this code >> > /* mcr CP15_TLBIALL /// Flush TLB //DEBUG */ >> > mcr CP15_BPIALL /* Flush Branch predictor */ >> > DSB >> > ISB >> > >> > >> > >> > >> > U-Boot 2016.05 (Dec 16 2018 - 13:09:25 +0800) >> > >> > CPU: Freescale i.MX6DL rev1.2 at 792 MHz >> > Reset cause: POR >> > Board: MX6DL-Armadillo2 >> > DRAM: 1 GiB >> > WARNING: Caches not enabled >> > MMC: FSL_SDHC: 0 >> > *** Warning - bad CRC, using default environment >> > >> > In: serial >> > Out: serial >> > Err: serial >> > Net: FEC >> > Error: FEC address not set. >> > >> > Hit any key to stop autoboot: 0 >> > reading ubldr.bin >> > 185536 bytes read in 40 ms (4.4 MiB/s) >> > ## Starting application at 0x12000000 ... >> > Consoles: U-Boot console >> > Compatible U-Boot API signature found @0x4fd703e0 >> > >> > FreeBSD/armv6 U-Boot loader, Revision 1.2 >> > (root@freebsd-x250, Sat Dec 15 17:17:42 HKT 2018) >> > >> > DRAM: 1024MB >> > Number of U-Boot devices: 2 >> > U-Boot env: loaderdev not set, will probe all devices. >> > Found U-Boot device: disk >> > Probing all disk devices... >> > Checking unit=0 slice=<auto> partition=<auto>... good. >> > Booting from disk0s2: >> > / >> > /boot/kernel/kernel data=0x57b564+0x58a9c >> syms=[0x4+0x6e9d0+0x4+0x77ada] >> > Hit [Enter] to boot immediately, or any other key for command prompt. >> > Booting [/boot/kernel/kernel]... >> > Kernel entry at 0x0x12200100... >> > Kernel args: (null) >> > EARL_DEBUG: pmap_kern_ttb 0x1290004a, actlr_mask 0xc1, actlr_set 0x41 >> > EARL_DEBUG: cpu_setup pass >> > EARL_DEBUG: init_param1 pass >> > initarm: console initialized >> > arg1 kmdp = 0xc26bc000 >> > boothowto = 0x00000000 >> > dtbp = 0xc2547eb8 >> > lastaddr1: 0x128bd000 >> > loader passed (static) kenv: >> > loader_envp = 0xc26bb000 >> > c26bb000 LINES=24 >> > c26bb009 console=uboot >> > c26bb017 currdev=disk0s2: >> > c26bb028 kerflag= >> > c26bb031 kernelname=/boot/kernel/kernel >> > c26bb050 loaddev=disk0s2: >> > c26bb061 prompt=loader> >> > c26bb070 twiddle_divisor=1 >> > EARL_DEBUG: platform_late_init pass >> > Fatal kernel mode data abort: 'Asynchronous External Abort' on write >> > trapframe: 0xc257c688 >> > FSR=00001c06, FAR=Invalid, spsr=600000d3 >> > r0 =00000100, r1 =600001d3, r2 =600000d3, r3 =30c52079 >> > r4 =00000000, r5 =c257c7e4, r6 =c25b3280, r7 =c25b3280 >> > r8 =c2578058, r9 =00000000, r10=c25ce154, r11=c257c7d8 >> > r12=c2577c24, ssp=c257c718, slr=c244b3c0, pc =c244b3d4 >> > >> > panic: Fatal abort >> > cpuid = 0 >> > Uptime: 1s >> >
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