Hi. CONFIG_HIGHMEM is enabled in 3.3rc5? I think your problem is similar to the following commit. "mmc: dw_mmc: Fix PIO mode with support of highmem"(fc66a7bb13806c0) Best regards, Seungwon Jeon. Daniel Palmer <me@xxxxxxxxxxxxxxxxxx> wrote: > Hi all, > > Looking for some ideas here.. > > I don't seem to be able to get a better output of the oops (I have debugging > info etc turned on in the config :/). Anyhow, I have 3.1 running with a SAM9G45 > based board and I'm trying to get 3.3rc5 running. The only differences from > mainline are a board file with the devices for the board and some memory stuff > because of it's two separate chunks of memory. This all worked fine in 3.1. > > The oops happens here: > include/linux/scatterlist.h:99 > > and the leaf register points to: > drivers/mmc/host/atmel-mci.c:1802 > > The only difference I can really see now is that atmel-mci seems to be using > PIO but with 3.1 it was apparently using DMA. > > The complete output from boot is attached below. Please CC me as I'm not on > the list. > > Cheers, > > Daniel > > > -- pico-SAM9G45 Bootstrap 3.0.1 -- > -- AT91SAM9G45-EK > -- Compiled: Oct 17 2011 22:42:24 -- > -I- RTC Config: rcen: 0 osc32en: 1 osc32byp: 0 oscsel: 1 > -I- RTC Config: rcen: 0 osc32en: 1 osc32byp: 0 oscsel: 1 > -I- Setting: MCK = 133MHz > -I- Init DDRAM > -I- Init second bank SDRAM > -I- Loading to 0x20000000 > -I- MEDSdcard init > -I- DMAD_Initialize channel 0 > -I- Card Type 1, CSD_STRUCTURE 0 > -I- SD/MMC TRANS SPEED 25000 KBit/s > -I- SD 4-BITS BUS > -I- CMD6(1) arg 0x80FFFF01 > -I- SD HS Enable > -I- SD/MMC TRANS SPEED 50000 KBit/s > -I- SD/MMC card initialization successful > -I- Card size: 1886 MB > -I- Copy "linux.bin" from SdCard to 0x20000000 > -I- load: 20008000 jump: 20008000 > -I- Loading to 0x20007fc0 with size 0x0014f4b0 > -I- MEDSdcard init > -I- DMAD_Initialize channel 0 > -I- Card Type 1, CSD_STRUCTURE 0 > -I- SD/MMC TRANS SPEED 25000 KBit/s > -I- SD 4-BITS BUS > -I- CMD6(1) arg 0x80FFFF01 > -I- SD HS Enable > -I- SD/MMC TRANS SPEED 50000 KBit/s > -I- SD/MMC card initialization successful > -I- Card size: 1886 MB > -I- Copy "linux.bin" from SdCard to 0x20007fc0 > -I- Modified jump to 0x20008000 > Uncompressing Linux... done, booting the kernel. > [ 0.000000] Booting Linux on physical CPU 0 > [ 0.000000] Linux version 3.3.0-rc5dgp-8be930a+ (jenkins@ein) (gcc version > 4.6.2 (Debian 4.6.2-15) ) #3 Sun Feb 26 23:59:14 JST 2012 > [ 0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177 > [ 0.000000] CPU: VIVT data cache, VIVT instruction cache > [ 0.000000] Machine: Mini Box picoSAM9 G45 Board > [ 0.000000] Memory policy: ECC disabled, Data cache writeback > [ 0.000000] AT91: Detected soc type: at91sam9g45 > [ 0.000000] AT91: Detected soc subtype: Unknown > [ 0.000000] AT91: sram at 0x300000 of 0x10000 mapped at 0xfef68000 > [ 0.000000] Clocks: CPU 400 MHz, master 133 MHz, main 12.000 MHz > [ 0.000000] gpiochip_add: registered GPIOs 0 to 31 on device: pioA > [ 0.000000] gpiochip_add: registered GPIOs 32 to 63 on device: pioB > [ 0.000000] gpiochip_add: registered GPIOs 64 to 95 on device: pioC > [ 0.000000] gpiochip_add: registered GPIOs 96 to 127 on device: pioD > [ 0.000000] gpiochip_add: registered GPIOs 128 to 159 on device: pioE > [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total > pages: 62368 > [ 0.000000] Kernel command line: mem=128M@0x20000000 mem=128M@0x70000000 > console=ttyS0,115200 console=tty0 root=/dev/mmcblk0p2 rw rootdelay=1 > rootwait=1 > [ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes) > [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) > [ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes) > [ 0.000000] Memory: 128MB 128MB = 256MB total > [ 0.000000] Memory: 256844k/256844k available, 5300k 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] vmalloc : 0xd0800000 - 0xff000000 ( 744 MB) > [ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB) > [ 0.000000] modules : 0xbf000000 - 0xc0000000 ( 16 MB) > [ 0.000000] .text : 0xc0008000 - 0xc025ac44 (2380 kB) > [ 0.000000] .init : 0xc025b000 - 0xc0275000 ( 104 kB) > [ 0.000000] .data : 0xc0276000 - 0xc0292a40 ( 115 kB) > [ 0.000000] .bss : 0xc0292a64 - 0xc02a598c ( 76 kB) > [ 0.000000] NR_IRQS:192 > [ 0.000000] AT91: 160 gpio irqs in 5 banks > [ 0.000000] Console: colour dummy device 80x30 > [ 0.000000] console [tty0] enabled > [ 0.000000] Calibrating delay loop... 199.06 BogoMIPS (lpj=995328) > [ 0.070000] pid_max: default: 32768 minimum: 301 > [ 0.070000] Mount-cache hash table entries: 512 > [ 0.070000] CPU: Testing write buffer coherency: ok > [ 0.080000] Setting up static identity map for 0x201fa8c0 - 0x201fa8fc > [ 0.140000] NET: Registered protocol family 16 > [ 0.210000] AT91: Power Management > [ 0.210000] AT91: Starting after power-restored wakeup > [ 0.280000] bio: create slab <bio-0> at 0 > [ 0.310000] Switching to clocksource tcb_clksrc > [ 0.480000] NET: Registered protocol family 2 > [ 0.480000] IP route cache hash table entries: 2048 (order: 1, 8192 bytes) > [ 0.490000] TCP established hash table entries: 8192 (order: 4, 65536 > bytes) > [ 0.490000] TCP bind hash table entries: 8192 (order: 3, 32768 bytes) > [ 0.490000] TCP: Hash tables configured (established 8192 bind 8192) > [ 0.490000] TCP reno registered > [ 0.490000] UDP hash table entries: 256 (order: 0, 4096 bytes) > [ 0.490000] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) > [ 0.510000] msgmni has been set to 501 > [ 0.510000] io scheduler noop registered > [ 0.510000] io scheduler cfq registered (default) > [ 0.530000] atmel_lcdfb atmel_lcdfb.0: 255KiB frame buffer at 76f80000 > (mapped at ffdc0000) > [ 0.880000] Console: switching to colour frame buffer device 60x34 > [ 1.060000] atmel_lcdfb atmel_lcdfb.0: fb0: Atmel LCDC at 0x00500000 > (mapped at d0806000), irq 23 > [ 1.060000] atmel_usart.0: ttyS0 at MMIO 0xffffee00 (irq = 1) is a > ATMEL_SERIAL > [ 1.420000] console [ttyS0] enabled > [ 1.430000] atmel_usart.1: ttyS1 at MMIO 0xfff8c000 (irq = 7) is a > ATMEL_SERIAL > [ 1.440000] atmel_usart.2: ttyS2 at MMIO 0xfff90000 (irq = 8) is a > ATMEL_SERIAL > [ 1.460000] atmel_usart.3: ttyS3 at MMIO 0xfff94000 (irq = 9) is a > ATMEL_SERIAL > [ 1.480000] atmel_spi atmel_spi.0: Atmel SPI Controller at 0xfffa4000 (irq > 14) > [ 1.500000] atmel_spi atmel_spi.1: Atmel SPI Controller at 0xfffa8000 (irq > 15) > [ 1.510000] atmel_tsadcc atmel_tsadcc: Master clock is set at: 133333333 Hz > [ 1.530000] atmel_tsadcc atmel_tsadcc: Prescaler is set at: 221 > [ 1.540000] input: atmel touch screen controller as > /devices/platform/atmel_tsadcc/input/input0 > [ 1.560000] rtc-at91sam9 at91_rtt.0: rtc core: registered at91_rtt as rtc0 > [ 1.580000] cpuidle: using governor ladder > [ 1.590000] cpuidle: using governor menu > [ 1.610000] TCP cubic registered > [ 1.620000] Registering the dns_resolver key type > [ 1.630000] VFP support v0.3: not present > [ 1.640000] rtc-at91sam9 at91_rtt.0: setting system clock to 2012-02-26 > 23:44:40 UTC (1330299880) > [ 1.660000] atmel_mci atmel_mci.0: version: 0x410 > [ 1.660000] atmel_mci atmel_mci.0: using DMA > [ 1.670000] atmel_mci atmel_mci.0: DMA not available, using PIO > [ 1.680000] atmel_mci atmel_mci.0: Atmel MCI controller at 0xfff80000 irq > 11, 1 slots > [ 1.700000] atmel_mci atmel_mci.1: version: 0x410 > [ 1.710000] atmel_mci atmel_mci.1: using DMA > [ 1.710000] atmel_mci atmel_mci.1: DMA not available, using PIO > [ 1.730000] atmel_mci atmel_mci.1: Atmel MCI controller at 0xfffd0000 irq > 29, 1 slots > [ 1.740000] Waiting 1sec before mounting root device... > [ 1.790000] Unable to handle kernel NULL pointer dereference at virtual > address 00000004 > [ 1.790000] pgd = c0004000 > [ 1.790000] [00000004] *pgd=00000000 > [ 1.790000] Internal error: Oops - BUG: 5 [#1] > [ 1.790000] Modules linked in: > [ 1.790000] CPU: 0 Not tainted (3.3.0-rc5dgp-8be930a+ #3) > [ 1.790000] pc : [<c01794fc>] lr : [<c0179b38>] psr: 20000093 > [ 1.790000] sp : cf8c7d34 ip : 00010200 fp : c0600020 > [ 1.790000] r10: c02822c4 r9 : c029e908 r8 : c0600006 > [ 1.790000] r7 : 00000000 r6 : 04000024 r5 : 00000000 r4 : ce995f40 > [ 1.790000] r3 : c02978e0 r2 : c027f8a8 r1 : c0000000 r0 : ce995f40 > [ 1.790000] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment > kernel > [ 1.790000] Control: 0005317f Table: 20004000 DAC: 00000017 > [ 1.790000] Process kworker/u:0 (pid: 5, stack limit = 0xcf8c6270) > [ 1.790000] Stack: (0xcf8c7d34 to 0xcf8c8000) > [ 1.790000] 7d20: ce995f40 > 04000024 04000024 > [ 1.790000] 7d40: 00000000 c0600006 c029de4c c02822c4 c0600020 c0179b38 > c02812c0 ce995f78 > [ 1.790000] 7d60: cf8c1d90 ce86c8a0 0000000b 00000000 00000000 0000000b > c029de4c c02822c4 > [ 1.790000] 7d80: 00000001 c004cb38 00060000 c02822c4 0000000b 00000000 > cf8c7e0c 00000000 > [ 1.790000] 7da0: c016d514 ce997df4 00000012 c004cc8c c02822c4 c004e778 > c02896a8 c004c528 > [ 1.790000] 7dc0: 000000c0 c000e6ac c0179f48 60000013 fefff000 c000dab8 > 00000000 00000000 > [ 1.790000] 7de0: 0005104d 00000001 ce997c00 ce995f40 cf8c7eb4 00000040 > 00000000 c016d514 > [ 1.790000] 7e00: ce997df4 00000012 00000002 cf8c7e20 c0179de0 c0179f48 > 60000013 ffffffff > [ 1.790000] 7e20: cf8c7eb4 ce997c00 cf8c7ec4 c016b910 cf8c7eb4 ce997c00 > cf8c7e84 c016ba50 > [ 1.790000] 7e40: 0000000d ce9c3c00 0000000d c01726a0 ce978fe0 0000000d > 00000000 00000000 > [ 1.790000] 7e60: 00000000 00000000 00000000 000001b5 00000000 ffffff8d > 00000000 cf8c7e84 > [ 1.790000] 7e80: cf8c7eb4 05f5e100 00000000 00000040 00000001 ffffff8d > 00000200 00000000 > [ 1.790000] 7ea0: 00000000 cf8c7eb4 00000001 cf8c7ed4 00000000 00000000 > cf8c7e54 cf8c7e84 > [ 1.790000] 7ec0: 00000000 00000000 cf8c7ec8 cf8c7ec8 c016b844 87654321 > c04b0f32 00000660 > [ 1.790000] 7ee0: 00000040 00000000 00000008 ce86c660 ce9c3c00 00000000 > ce9c3c00 c0171530 > [ 1.790000] 7f00: ce997c00 ce9c3c00 00000000 c01719dc 00000000 ce997c00 > cf8c7f24 c0171b14 > [ 1.790000] 7f20: 000000e1 03534453 55303247 80a108b4 6700abed 80ff8000 > ce997c00 00000000 > [ 1.790000] 7f40: c020e800 00061a80 c020e80c c0171dac 00061a80 00ff8000 > c016d514 ce997c00 > [ 1.790000] 7f60: ce997c00 c016d0c0 ce997df4 c016d6b0 cf802ce0 cf16de00 > cf8c6000 00000000 > [ 1.790000] 7f80: 00000000 c002d694 ce997df4 cf802ce0 c0298aac c0298aa8 > c0280d0c cf8c6000 > [ 1.790000] 7fa0: 00000000 cf802cf0 00000000 c002e100 00000000 cf88df38 > cf802ce0 c002dfc0 > [ 1.790000] 7fc0: 00000013 00000000 00000000 c00315fc 00000000 00000000 > cf802ce0 00000000 > [ 1.790000] 7fe0: cf8c7fe0 cf8c7fe0 cf88df38 c0031578 c000e7a4 c000e7a4 > aaaaaaaa aaaaaaaa > [ 1.790000] Function entered at [<c01794fc>] from [<0000000b>] > [ 1.790000] Code: e92d4ff0 e59f9378 e5905004 e5991000 (e5952004) > [ 1.790000] ---[ end trace 0cf742e69e15cd43 ]--- > [ 1.790000] Kernel panic - not syncing: Fatal exception in interrupt > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
