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Message-ID: <20151220221158.GA6416@omega> Date: Sun, 20 Dec 2015 23:11:59 +0100 From: Alexander Aring <alex.aring@...il.com> To: Eric Anholt <eric@...olt.net> Cc: linux-rpi-kernel@...ts.infradead.org, Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org, Ian Campbell <ijc+devicetree@...lion.org.uk>, Florian Fainelli <f.fainelli@...il.com>, Jason Cooper <jason@...edaemon.net>, Scott Branden <sbranden@...adcom.com>, Marc Zyngier <marc.zyngier@....com>, Ray Jui <rjui@...adcom.com>, linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>, bcm-kernel-feedback-list@...adcom.com, Kumar Gala <galak@...eaurora.org>, Thomas Gleixner <tglx@...utronix.de>, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH v2 0/8] Raspberry Pi 2 support. On Fri, Dec 18, 2015 at 11:08:26AM +0100, Alexander Aring wrote: ... > Uncompressing Linux... done, booting the kernel. > [ 0.000000] Booting Linux on physical CPU 0x0 > [ 0.000000] Initializing cgroup subsys cpuset > [ 0.000000] Initializing cgroup subsys cpu > [ 0.000000] Initializing cgroup subsys cpuacct > [ 0.000000] Linux version 4.4.0-rc5+ (alex@...ga) (gcc version 4.9.2 (OSELAS.Toolchain-2014.12.1) ) #989 Fri Dec 18 10:54:40 CET 2015 > [ 0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c53c7d > [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache > [ 0.000000] Machine model: Raspberry Pi 2 Model B Rev 1.1 > [ 0.000000] bootconsole [earlycon0] enabled > [ 0.000000] Truncating RAM at 0x00000000-0x3e000000 to -0x30000000 > [ 0.000000] Consider using a HIGHMEM enabled kernel. I can remove this "note" when I enable CONFIG_HIGHMEM. > [ 0.000000] Memory policy: Data cache writeback > [ 0.000000] BUG: mapping for 0x3f201000 at 0xf0201000 out of vmalloc space > [ 0.000000] ------------[ cut here ]------------ > [ 0.000000] WARNING: CPU: 0 PID: 0 at arch/arm/kernel/devtree.c:149 arm_dt_init_cpu_maps+0x100/0x1a4() > [ 0.000000] DT /cpu 2 nodes greater than max cores 1, capping them > [ 0.000000] Modules linked in: > [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.4.0-rc5+ #989 > [ 0.000000] Hardware name: BCM2835 > [ 0.000000] [<c0016c4c>] (unwind_backtrace) from [<c0013e58>] (show_stack+0x20/0x24) > [ 0.000000] [<c0013e58>] (show_stack) from [<c0247620>] (dump_stack+0x20/0x28) > [ 0.000000] [<c0247620>] (dump_stack) from [<c0023a84>] (warn_slowpath_common+0x9c/0xc4) > [ 0.000000] [<c0023a84>] (warn_slowpath_common) from [<c0023aec>] (warn_slowpath_fmt+0x40/0x48) > [ 0.000000] [<c0023aec>] (warn_slowpath_fmt) from [<c074ef94>] (arm_dt_init_cpu_maps+0x100/0x1a4) > [ 0.000000] [<c074ef94>] (arm_dt_init_cpu_maps) from [<c074e60c>] (setup_arch+0x6f4/0x89c) > [ 0.000000] [<c074e60c>] (setup_arch) from [<c074b9cc>] (start_kernel+0x74/0x3a4) > [ 0.000000] [<c074b9cc>] (start_kernel) from [<00008078>] (0x8078) > [ 0.000000] ---[ end trace cb88537fdc8fa200 ]--- > [ 0.000000] DT missing boot CPU MPIDR[23:0], fall back to default cpu_logical_map > [ 0.000000] CPU: All CPU(s) started in SVC mode. I can remove this WARNING when I enable CONFIG_SMP. > [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 195072 > [ 0.000000] Kernel command line: earlyprintk console=ttyAMA0 dma.dmachans=0x7f35 bcm2708_fb.fbwidth=720 bcm2708_fb.fbheight=576 bcm2709.boardrev=0xa01041 bcm2709.serial=0x3449476 smsc95xx.macaddr=B8:27:EB:44:94:76 bcm2708_fb.fbswap=1 bcm2709.disk_led_gpio=47 bcm2709.disk_led_active_low=0 sdhci-bcm2708.emmc_clock_freq=250000000 vc_mem.mem_base=0x3ea00000 vc_mem.mem_size=0x3f000000 dwc_otg.lpm_enable=0 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait consoleblank=0 rw > [ 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: 770408K/786432K available (5713K kernel code, 426K rwdata, 1720K rodata, 420K init, 687K bss, 16024K reserved, 0K cma-reserved) > [ 0.000000] Virtual kernel memory layout: > [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) > [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB) > [ 0.000000] vmalloc : 0xf0800000 - 0xff800000 ( 240 MB) > [ 0.000000] lowmem : 0xc0000000 - 0xf0000000 ( 768 MB) > [ 0.000000] modules : 0xbf000000 - 0xc0000000 ( 16 MB) > [ 0.000000] .text : 0xc0008000 - 0xc074a7cc (7434 kB) > [ 0.000000] .init : 0xc074b000 - 0xc07b4000 ( 420 kB) > [ 0.000000] .data : 0xc07b4000 - 0xc081e910 ( 427 kB) > [ 0.000000] .bss : 0xc081e910 - 0xc08ca80c ( 688 kB) > [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 > [ 0.000000] NR_IRQS:16 nr_irqs:16 16 > [ 0.000000] Kernel panic - not syncing: /soc/local_intc: unable to map local interrupt registers > [ 0.000000] > [ 0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G W 4.4.0-rc5+ #989 > [ 0.000000] Hardware name: BCM2835 > [ 0.000000] [<c0016c4c>] (unwind_backtrace) from [<c0013e58>] (show_stack+0x20/0x24) > [ 0.000000] [<c0013e58>] (show_stack) from [<c0247620>] (dump_stack+0x20/0x28) > [ 0.000000] [<c0247620>] (dump_stack) from [<c00c17c0>] (panic+0x84/0x210) > [ 0.000000] [<c00c17c0>] (panic) from [<c0771d5c>] (bcm2836_arm_irqchip_l1_intc_of_init+0x94/0x110) > [ 0.000000] [<c0771d5c>] (bcm2836_arm_irqchip_l1_intc_of_init) from [<c0779f04>] (of_irq_init+0x1a0/0x2a8) > [ 0.000000] [<c0779f04>] (of_irq_init) from [<c0771af4>] (irqchip_init+0x14/0x1c) > [ 0.000000] [<c0771af4>] (irqchip_init) from [<c074d7a8>] (init_IRQ+0x28/0x88) > [ 0.000000] [<c074d7a8>] (init_IRQ) from [<c074bb64>] (start_kernel+0x20c/0x3a4) > [ 0.000000] [<c074bb64>] (start_kernel) from [<00008078>] (0x8078) > [ 0.000000] ---[ end Kernel panic - not syncing: /soc/local_intc: unable to map local interrupt registers > But still getting this panic, your patches does not contain some defconfig, so I still try to figure out what I need to enable to get it working. Maybe it is some missing config entry which should be enabled. But, for me it looks like some devicetree issue, because of_iomem returns NULL, at [0]. Don't know what I am doing wrong. - Alex [0] https://github.com/anholt/linux/blob/bcm2836-4.4/drivers/irqchip/irq-bcm2836.c#L290 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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