[meta-freescale] Problem booting linux-boundary on nitrogen6x - suspect GCC 4.8.1 issue

Gary Thomas samoht.yrag at gmail.com
Tue Jul 9 06:03:39 PDT 2013


On 2013-07-09 06:39, Erik Botö wrote:
>
> On Tue, Jul 9, 2013 at 1:17 PM, Gary Thomas <gary at mlbassoc.com <mailto:gary at mlbassoc.com>> wrote:
>
>     On 2013-07-09 03:19, Erik Botö wrote:
>
>         Update:
>
>         I added the following two lines to local.conf and rebuilt the kernel, now it boots ok.
>
>         PREFERRED_VERSION_gcc = "4.7.2"
>         PREFERRED_VERSION_gcc-cross = "4.7.2"
>
>         So it seems we have an issue here with GCC 4.8.1, though I'm not really sure what the best way to approach this is.
>
>
>     There are known problems with the ARM kernel and GCC 4.8.  The Yocto kernel
>     has a set of patches that they've incorporated to make this work.  I suspect
>     that these need to be applied to the FreeScale kernels as well.  Until that
>     happens, I'd stay with the GCC 4.7 compiler.
>
>
> I took a look at the patches that was applied to linux-yocto-3.8 to fix this issue. Seems like it's two patches to memset.S, and both applied cleanly to linux-boundary as well and
> leads to a booting kernel. These patches are also available upstream [1]. Before this memset.S hasn't been touched since November -08, so I suspect they're totally safe to include
> in linux-boundary as well.
>
> [1] See the two latest commits at https://github.com/torvalds/linux/commits/master/arch/arm/lib/memset.S

So does your board boot with these changes (with GCC 4.8)?

>         On Tue, Jul 9, 2013 at 9:58 AM, Erik Botö <erik.boto at pelagicore.com <mailto:erik.boto at pelagicore.com> <mailto:erik.boto at pelagicore.__com <mailto:erik.boto at pelagicore.com>>>
>         wrote:
>
>              Hi,
>
>              Has anyone built (and verified boot) linux-boundary using GCC 4.8.1? I have a build that's a couple of days old (using gcc-4.7.2-r20) that works, and one more recent
>              (gcc-4.8.1-r0) that doesn't boot. The same sources for linux-boundary are used in both cases.
>
>              I'll see if I can step down to GCC 4.7.2 and keep everything else equal to see if it's really the GCC version that breaks it. If anyone else has ideas or input I'll be
>         happy to
>              hear!
>
>              Cheers,
>              Erik Botö
>
>              The error:
>
>              Uncompressing Linux... done, booting the kernel.
>              [    0.000000] Initializing cgroup subsys cpuset
>              [    0.000000] Initializing cgroup subsys cpu
>              [    0.000000] Linux version 3.0.35-4.0.0+ge6e1b5a (erbo at yocto-build) (gcc version 4.8.1 (GCC) ) #1 SMP PREEMPT Tue Jul 9 08:51:39 CEST 2013
>              [    0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c53c7d
>              [    0.000000] CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache
>              [    0.000000] Machine: Boundary Devices Nitrogen6X/SABRE Lite Board
>              [    0.000000] Memory policy: ECC disabled, Data cache writealloc
>              [    0.000000] CPU identified as i.MX6Q, silicon rev 1.2
>              [    0.000000] PERCPU: Embedded 7 pages/cpu @8c008000 s5504 r8192 d14976 u32768
>              [    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 227328
>              [    0.000000] Kernel command line: enable_wait_mode=off video=mxcfb0:fbpix=BGR32 video=mxcfb1:off video=mxcfb2:off fbmem=10M vt.global_cursor_default=0 console=0
>              [    0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
>              [    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
>              [    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
>              [    0.000000] Memory: 640MB 256MB = 896MB total
>              [    0.000000] Memory: 901044k/901044k available, 147532k reserved, 0K highmem
>              [    0.000000] Virtual kernel memory layout:
>              [    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
>              [    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
>              [    0.000000]     DMA     : 0xf4600000 - 0xffe00000   ( 184 MB)
>              [    0.000000]     vmalloc : 0xc0800000 - 0xf2000000   ( 792 MB)
>              [    0.000000]     lowmem  : 0x80000000 - 0xc0000000   (1024 MB)
>              [    0.000000]     pkmap   : 0x7fe00000 - 0x80000000   (   2 MB)
>              [    0.000000]     modules : 0x7f000000 - 0x7fe00000   (  14 MB)
>              [    0.000000]       .init : 0x80008000 - 0x80035000   ( 180 kB)
>              [    0.000000]       .text : 0x80035000 - 0x806836dc   (6458 kB)
>              [    0.000000]       .data : 0x80684000 - 0x806db1e0   ( 349 kB)
>              [    0.000000]        .bss : 0x806db204 - 0x80725958   ( 298 kB)
>              [    0.000000] SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
>              [    0.000000] Preemptible hierarchical RCU implementation.
>              [    0.000000] NR_IRQS:624
>              [    0.000000] MXC GPIO hardware
>              [    0.000000] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 1431655ms
>              [    0.000000] arm_max_freq=1GHz
>              [    0.000000] MXC_Early serial console at MMIO 0x21e8000 (options '115200')
>              [    0.000000] bootconsole [ttymxc1] enabled
>              [    0.000000] Console: colour dummy device 80x30
>              [    0.230828] Calibrating delay loop... 1581.05 BogoMIPS (lpj=7905280)
>              [    0.319158] pid_max: default: 32768 minimum: 301
>              [    0.324128] Mount-cache hash table entries: 512
>              [    0.329539] Initializing cgroup subsys blkio
>              [    0.333874] CPU: Testing write buffer coherency: ok
>              [    0.339064] hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available
>              [    0.439583] CPU1: Booted secondary processor
>              [    0.519586] CPU2: Booted secondary processor
>              [    0.599594] CPU3: Booted secondary processor
>              [    0.639097] Brought up 4 CPUs
>              [    0.654922] SMP: Total of 4 processors activated (6324.22 BogoMIPS).
>              [    0.661862] devtmpfs: initialized
>              [    0.682812] print_constraints: dummy:
>              [    0.686834] NET: Registered protocol family 16
>              [    0.695678] print_constraints: vddpu: 725 <--> 1300 mV at 1100 mV fast normal
>              [    0.703251] print_constraints: vddcore: 725 <--> 1300 mV at 1100 mV fast normal
>              [    0.710993] print_constraints: vddsoc: 725 <--> 1300 mV at 1200 mV fast normal
>              [    0.718671] print_constraints: vdd2p5: 2000 <--> 2775 mV at 2400 mV fast normal
>              [    0.726442] print_constraints: vdd1p1: 800 <--> 1400 mV at 1100 mV fast normal
>              [    0.734100] print_constraints: vdd3p0: 2625 <--> 3400 mV at 3000 mV fast normal
>              [    0.743198] ------------ Board type Nitrogen6X/W
>              [    0.756891] imx_add_mxc_pwm:pdata=  (null)
>              [    0.761282] imx_add_mxc_pwm:pdata=  (null)
>              [    0.765640] imx_add_mxc_pwm:pdata=806a6da0
>              [    0.770048] imx_add_mxc_pwm:pdata=  (null)
>              [    0.777205] Flexcan NXP tja1040
>              [    0.785250] hw-breakpoint: found 6 breakpoint and 1 watchpoint registers.
>              [    0.792084] hw-breakpoint: 1 breakpoint(s) reserved for watchpoint single-step.
>              [    0.799440] hw-breakpoint: maximum watchpoint size is 4 bytes.
>              [    0.805325] L310 cache controller enabled
>              [    0.809365] l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x02070000, Cache size: 1048576 B
>              [    0.839010] bio: create slab <bio-0> at 0
>              [    0.844014] print_constraints: VDDA: 2500 mV
>              [    0.848587] print_constraints: VDDIO: 3300 mV
>              [    0.853268] machine_constraints_voltage: VDDD: unsupportable voltage constraints
>              [    0.860834] reg-fixed-voltage reg-fixed-voltage.2: Failed to register regulator: -22
>              [    0.868606] reg-fixed-voltage: probe of reg-fixed-voltage.2 failed with error -22
>              [    0.876297] print_constraints: vmmc: 3300 mV
>              [    0.880912] print_constraints: VDD_1.8V: 1800 mV
>              [    0.886045] vgaarb: loaded
>              [    0.889487] SCSI subsystem initialized
>              [    0.893687] spi_imx imx6q-ecspi.0: probed
>              [    0.898454] usbcore: registered new interface driver usbfs
>              [    0.904110] usbcore: registered new interface driver hub
>              [    0.909598] usbcore: registered new device driver usb
>              [    0.914667] Freescale USB OTG Driver loaded, $Revision: 1.55 $
>              [    0.939093] imx-ipuv3 imx-ipuv3.0: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)
>              [    0.959087] imx-ipuv3 imx-ipuv3.1: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)
>              [    0.966934] mxc_mipi_csi2 mxc_mipi_csi2: i.MX MIPI CSI2 driver probed
>              [    0.973412] mxc_mipi_csi2 mxc_mipi_csi2: i.MX MIPI CSI2 dphy version is 0x3130302a
>              [    0.981146] MIPI CSI2 driver module loaded
>              [    0.985474] Advanced Linux Sound Architecture Driver Version 1.0.24.
>              [    0.993155] cfg80211: Calling CRDA to update world regulatory domain
>              [    1.000556] Switching to clocksource mxc_timer1
>              [    1.018685] Unable to handle kernel paging request at virtual address ef00e0bf
>              [    1.025930] pgd = 80004000
>              [    1.028646] [ef00e0bf] *pgd=00000000
>              [    1.032250] Internal error: Oops: 5 [#1] PREEMPT SMP
>              [    1.037230] Modules linked in:
>              [    1.040313] CPU: 0    Not tainted  (3.0.35-4.0.0+ge6e1b5a #1)
>              [    1.046094] PC is at kmem_cache_alloc+0xa8/0x100
>              [    1.050737] LR is at con_insert_unipair+0xb8/0x104
>              [    1.055546] pc : [<800f149c>]    lr : [<8027cb5c>]    psr: 60000093
>              [    1.055550] sp : bff8bed0  ip : 800365e0  fp : 00000000
>              [    1.067067] r10: 00000001  r9 : 80699cd0  r8 : 000000d0
>              [    1.072307] r7 : 0bfd5000  r6 : bff8a000  r5 : bfff9300  r4 : ef00e0bf
>              [    1.078854] r3 : 80699cd0  r2 : 8027cb5c  r1 : 0000253c  r0 : a0000013
>              [    1.085403] Flags: nZCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
>              [    1.092821] Control: 10c53c7d  Table: 1000404a  DAC: 00000015
>              [    1.098584] Process swapper (pid: 1, stack limit = 0xbff8a2f0)
>              [    1.104435] Stack: (0xbff8bed0 to 0xbff8c000)
>              [    1.108811] bec0:                                     806ea4e8 0000fffd bfe3d900 000000fe
>              [    1.117014] bee0: bfefd0fc 806bb48c 806bb488 000000fe 00000002 8027cb5c 806bb490 00000000
>              [    1.125218] bf00: 00000001 bfe3d900 000000fe 8027d78c 806f8158 806bb490 806f8338 bfff0000
>              [    1.133421] bf20: 00000000 00000001 00000014 806f855c 00000002 00000004 00000000 8001f528
>              [    1.141624] bf40: 00000000 8001ea4c 00000000 806f8438 00000001 8001ef44 805f9618 80144bf8
>              [    1.149827] bf60: 806f7f34 00000000 bff8a000 00000001 806db220 8001e390 805c8d80 00000001
>              [    1.158030] bf80: 8002b4a0 8002b4a0 8002b894 800355c0 800b0ef8 806e4f5c 80695080 bff8a010
>              [    1.166234] bfa0: 000001df 00000001 00000000 3734d6a8 00000039 00000000 00000270 8002b4a0
>              [    1.174437] bfc0: 8002b894 bff8a000 00000001 00000000 00000000 00000000 00000000 800089c0
>              [    1.182640] bfe0: 00000000 00000000 800088d0 8003ba7c 00000013 8003ba7c e92d40f7 e1a04000
>              [    1.190857] [<800f149c>] (kmem_cache_alloc+0xa8/0x100) from [<8027cb5c>] (con_insert_unipair+0xb8/__0x104)
>              [    1.200377] [<8027cb5c>] (con_insert_unipair+0xb8/__0x104) from [<8027d78c>] (con_set_default_unimap+0xe4/__0x16c)
>              [    1.210421] [<8027d78c>] (con_set_default_unimap+0xe4/__0x16c) from [<8001ea4c>] (console_map_init+0x44/0x50)
>              [    1.220197] [<8001ea4c>] (console_map_init+0x44/0x50) from [<8001ef44>] (vty_init+0x18c/0x19c)
>              [    1.228838] [<8001ef44>] (vty_init+0x18c/0x19c) from [<8001e390>] (tty_init+0x12c/0x144)
>              [    1.236969] [<8001e390>] (tty_init+0x12c/0x144) from [<800355c0>] (do_one_initcall+0x11c/0x174)
>              [    1.245702] [<800355c0>] (do_one_initcall+0x11c/0x174) from [<800089c0>] (kernel_init+0xf0/0x174)
>              [    1.254612] [<800089c0>] (kernel_init+0xf0/0x174) from [<8003ba7c>] (kernel_thread_exit+0x0/0x8)
>              [    1.263427] Code: 1afffff3 e595b014 e2811004 e3a0a001 (e794b00b)
>              [    1.269583] ---[ end trace 60f60b23e6fa95d6 ]---
>              [    1.274228] Kernel panic - not syncing: Attempted to kill init!
>              [    1.280198] [<80041ee4>] (unwind_backtrace+0x0/0xf4) from [<804d55bc>] (panic+0x84/0x198)
>              [    1.288431] [<804d55bc>] (panic+0x84/0x198) from [<800733dc>] (complete_and_exit+0x0/0x1c)
>              [    1.296739] [<800733dc>] (complete_and_exit+0x0/0x1c) from [<bff8bd00>] (0xbff8bd00)
>              [    1.304508] CPU1: stopping
>              [    1.307242] [<80041ee4>] (unwind_backtrace+0x0/0xf4) from [<80035338>] (do_IPI+0x144/0x154)
>              [    1.315628] [<80035338>] (do_IPI+0x144/0x154) from [<8003a9cc>] (__irq_svc+0x4c/0xe8)
>              [    1.323481] Exception stack(0xbffadf90 to 0xbffadfd8)
>              [    1.328550] df80:                                     00000000 806e27fc bffac000 00000006
>              [    1.336753] dfa0: bffac000 8069d0ec 806db2c4 804df9e0 1000406a 412fc09a 00000000 00000000
>              [    1.344955] dfc0: 60000013 bffadfd8 80049e98 8003bb5c 80000013 ffffffff
>              [    1.351597] [<8003a9cc>] (__irq_svc+0x4c/0xe8) from [<8003bb5c>] (default_idle+0x24/0x28)
>              [    1.359805] [<8003bb5c>] (default_idle+0x24/0x28) from [<8003bcb8>] (cpu_idle+0xa0/0x104)
>              [    1.368010] [<8003bcb8>] (cpu_idle+0xa0/0x104) from [<104d1f14>] (0x104d1f14)
>              [    1.375168] CPU2: stopping
>              [    1.377902] [<80041ee4>] (unwind_backtrace+0x0/0xf4) from [<80035338>] (do_IPI+0x144/0x154)
>              [    1.386286] [<80035338>] (do_IPI+0x144/0x154) from [<8003a9cc>] (__irq_svc+0x4c/0xe8)
>              [    1.394137] Exception stack(0xbffb5f90 to 0xbffb5fd8)
>              [    1.399205] 5f80:                                     00000000 806e27fc bffb4000 00000006
>              [    1.407409] 5fa0: bffb4000 8069d0ec 806db2c4 804df9e0 1000406a 412fc09a 00000000 00000000
>              [    1.415611] 5fc0: 60000013 bffb5fd8 80049e98 8003bb5c 80000013 ffffffff
>              [    1.422251] [<8003a9cc>] (__irq_svc+0x4c/0xe8) from [<8003bb5c>] (default_idle+0x24/0x28)
>              [    1.430458] [<8003bb5c>] (default_idle+0x24/0x28) from [<8003bcb8>] (cpu_idle+0xa0/0x104)
>              [    1.438663] [<8003bcb8>] (cpu_idle+0xa0/0x104) from [<104d1f14>] (0x104d1f14)
>              [    1.445820] CPU3: stopping
>              [    1.448552] [<80041ee4>] (unwind_backtrace+0x0/0xf4) from [<80035338>] (do_IPI+0x144/0x154)
>              [    1.456934] [<80035338>] (do_IPI+0x144/0x154) from [<8003a9cc>] (__irq_svc+0x4c/0xe8)
>              [    1.464786] Exception stack(0xbff01f90 to 0xbff01fd8)
>              [    1.469855] 1f80:                                     00000000 806e27fc bff00000 00000006
>              [    1.478058] 1fa0: bff00000 8069d0ec 806db2c4 804df9e0 1000406a 412fc09a 00000000 00000000
>              [    1.486260] 1fc0: 00000000 bff01fd8 80049e98 8003bb5c 80000013 ffffffff
>              [    1.492899] [<8003a9cc>] (__irq_svc+0x4c/0xe8) from [<8003bb5c>] (default_idle+0x24/0x28)
>              [    1.501105] [<8003bb5c>] (default_idle+0x24/0x28) from [<8003bcb8>] (cpu_idle+0xa0/0x104)
>              [    1.509309] [<8003bcb8>] (cpu_idle+0xa0/0x104) from [<104d1f14>] (0x104d1f14)
>
>
>
>
>
>
>         _________________________________________________
>         meta-freescale mailing list
>         meta-freescale at yoctoproject.__org <mailto:meta-freescale at yoctoproject.org>
>         https://lists.yoctoproject.__org/listinfo/meta-freescale <https://lists.yoctoproject.org/listinfo/meta-freescale>
>
>
>     --
>     ------------------------------__------------------------------
>     Gary Thomas                 |  Consulting for the
>     MLB Associates              |    Embedded world
>     ------------------------------__------------------------------
>     _________________________________________________
>     meta-freescale mailing list
>     meta-freescale at yoctoproject.__org <mailto:meta-freescale at yoctoproject.org>
>     https://lists.yoctoproject.__org/listinfo/meta-freescale <https://lists.yoctoproject.org/listinfo/meta-freescale>
>
>
>
>
> --
> =============================================
> Erik Botö
> Senior Software Engineer
> Pelagicore AB
> Ekelundsgatan 4, 6tr, SE-411 18 Gothenburg, Sweden
> Mobile: +46 (0)76 881 72 03
> E-Mail: erik.boto at pelagicore.com <mailto:erik.boto at pelagicore.com>
> =============================================
>
>
> _______________________________________________
> meta-freescale mailing list
> meta-freescale at yoctoproject.org
> https://lists.yoctoproject.org/listinfo/meta-freescale
>



More information about the meta-freescale mailing list