On Mon, Oct 19, 2015 at 09:05:22PM +0100, Russell King - ARM Linux wrote: > On Mon, Oct 19, 2015 at 10:37:59PM +0300, Aaro Koskinen wrote: > > Hi, > > > > Somewhere between 4.1 .. 4.3-rc6 framebuffer on Nokia 770 stopped working. > > > > Bisection points to: > > > > commit 2568999835d7797afce3dcc3a3f368051ffcaf1f > > Author: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx> > > Date: Mon Mar 2 15:40:29 2015 +0000 > > > > clkdev: add clkdev_create() helper > > > > The commit cannot be reverted cleanly from current trees, but I re-tested > > that commit 2568999835d7797afce3dcc3a3f368051ffcaf1f does not work and > > commit 2568999835d7797afce3dcc3a3f368051ffcaf1f^1 indeed works. > > Really need more information than that, like a kernel log or something. This is a device with normal consumer electronics mechnics so serial port access is PITA. However I managed to get a boot log, see below, it's from commit 2568999835d7797afce3dcc3a3f368051ffcaf1f. > Can you try this patch please? Unfortunately with the patch it dies even earlier, without any output. ... Uncompressing Linux... done, booting the kernel. [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.1.0-rc1-770_tiny-los_350d5+-00006-g2568999 (aaro@amd-fx-6350) (gcc version 5.2.0 (GCC) ) #1 Tue Oct 20 00:41:44 EEST 2015 [ 0.000000] CPU: ARM926EJ-S [41069263] revision 3 (ARMv5TEJ), cr=0005317f [ 0.000000] CPU: VIVT data cache, VIVT instruction cache [ 0.000000] Machine: Nokia 770 [ 0.000000] Ignoring unrecognised tag 0x414f4d50 [ 0.000000] earlycon: no match for ttyS0,115200 [ 0.000000] Memory policy: Data cache writeback [ 0.000000] OMAP1710 [ 0.000000] revision 8 handled as 16xx id: 8b5f702f03330200 [ 0.000000] Clocks: ARM_SYSST: 0x1000 DPLL_CTL: 0x2a93 ARM_CKCTL: 0x050e [ 0.000000] Clocking rate (xtal/DPLL1/MPU): 12.0/252.0/252.0 MHz [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256 [ 0.000000] Kernel command line: mem=64M console=ttyS0,115200 [ 0.000000] PID hash table entries: 256 (order: -2, 1024 bytes) [ 0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes) [ 0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Memory: 61296K/65536K available (1614K kernel code, 138K rwdata, 532K rodata, 1124K init, 178K bss, 4240K 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 : 0xc4800000 - 0xff000000 ( 936 MB) [ 0.000000] lowmem : 0xc0000000 - 0xc4000000 ( 64 MB) [ 0.000000] modules : 0xbf000000 - 0xc0000000 ( 16 MB) [ 0.000000] .text : 0xc0008000 - 0xc0220d04 (2148 kB) [ 0.000000] .init : 0xc0221000 - 0xc033a000 (1124 kB) [ 0.000000] .data : 0xc033a000 - 0xc035c880 ( 139 kB) [ 0.000000] .bss : 0xc035c880 - 0xc038914c ( 179 kB) [ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] NR_IRQS:368 [ 0.000000] Total of 128 interrupts in 4 interrupt banks [ 0.000000] clocksource 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns [ 0.000030] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 65535999984741ns [ 0.000061] OMAP clocksource: 32k_counter at 32768 Hz [ 0.000610] Console: colour dummy device 80x30 [ 0.000701] Calibrating delay loop... 125.33 BogoMIPS (lpj=626688) [ 0.090118] pid_max: default: 32768 minimum: 301 [ 0.090423] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.090484] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.092102] CPU: Testing write buffer coherency: ok [ 0.093048] Setting up static identity map for 0x10008400 - 0x1000843c [ 0.096374] devtmpfs: initialized [ 0.102111] clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.104034] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.107269] omap_gpio omap_gpio.1: Could not get gpio dbck [ 0.107452] OMAP GPIO hardware version 1.1 [ 0.107635] omap_gpio omap_gpio.2: Could not get gpio dbck [ 0.107940] omap_gpio omap_gpio.3: Could not get gpio dbck [ 0.108245] omap_gpio omap_gpio.4: Could not get gpio dbck [ 0.110229] MUX: initialized V6_USB0_TXD [ 0.110290] MUX: initialized W5_USB0_SE0 [ 0.110321] MUX: initialized Y5_USB0_RCV [ 0.110351] MUX: initialized AA9_USB0_VP [ 0.110351] MUX: initialized R9_USB0_VM [ 0.110382] USB: hmc 16, usb0 6 wires, Mini-AB on usb0 [ 0.110748] MUX: initialized W19_1610_MMC2_DATDIR1 [ 0.112640] Clocking rate (xtal/DPLL1/MPU): 12.0/216.0/216.0 MHz [ 0.116882] OMAP DMA hardware version 1 [ 0.116943] DMA capabilities: 0000000c:00000000:01ff:003f:007f [ 0.133392] omap-dma-engine omap-dma-engine: failed to get L1 IRQ: -6 [ 0.170562] omap-dma-engine omap-dma-engine: OMAP DMA engine driver [ 0.172393] SCSI subsystem initialized [ 0.172668] omap_uwire omap_uwire: Runtime PM disabled, clock forced on. [ 0.174926] usbcore: registered new interface driver usbfs [ 0.175292] usbcore: registered new interface driver hub [ 0.175598] usbcore: registered new device driver usb [ 0.177124] Switched to clocksource 32k_counter [ 3.050994] OMAP OCPI interconnect driver loaded [ 3.078582] io scheduler noop registered (default) [ 3.079772] omapfb: lph8923 rev 92 LCD detected, 16 data lines [ 3.080444] omapfb: configured for panel lph8923 [ 3.089508] omapfb: LCDC initialized [ 3.089660] omapfb omapfb: SoSSI version 1.21 initialized [ 3.089782] Division by zero in kernel. [ 3.089874] CPU: 0 PID: 1 Comm: swapper Not tainted 4.1.0-rc1-770_tiny-los_350d5+-00006-g2568999 #1 [ 3.089904] Hardware name: Nokia 770 [ 3.089935] Backtrace: [ 3.090026] [<c000c9e4>] (dump_backtrace) from [<c000cc08>] (show_stack+0x18/0x1c) [ 3.090057] r7:00005a69 r6:00001215 r5:00000001 r4:c0386c70 [ 3.090179] [<c000cbf0>] (show_stack) from [<c019776c>] (dump_stack+0x20/0x28) [ 3.090270] [<c019774c>] (dump_stack) from [<c000cb70>] (__div0+0x18/0x20) [ 3.090362] [<c000cb58>] (__div0) from [<c00de018>] (Ldiv0+0x8/0x10) [ 3.090454] [<c010cff4>] (calc_extif_timings) from [<c010d370>] (hwa742_init+0xa8/0x510) [ 3.090484] r10:00000000 r9:c035c880 r8:c3a0c228 r7:00000000 r6:c319d000 r5:00000000 [ 3.090576] r4:c0386c70 [ 3.090667] [<c010d2c8>] (hwa742_init) from [<c010a154>] (omapfb_do_probe+0x238/0x710) [ 3.090698] r10:00000000 r9:c035c880 r8:c3a0c228 r7:c0386b88 r6:c033fd00 r5:00000000 [ 3.090789] r4:c319d000 [ 3.090881] [<c0109f1c>] (omapfb_do_probe) from [<c010a6dc>] (omapfb_register_panel+0x38/0x40) [ 3.090911] r10:00000000 r9:c035c880 r8:c0351ed8 r7:00000000 r6:c0341738 r5:c3a0c228 [ 3.091003] r4:00000000 [ 3.091064] [<c010a6a4>] (omapfb_register_panel) from [<c010dee0>] (mipid_spi_probe+0x120/0x158) [ 3.091156] [<c010ddc0>] (mipid_spi_probe) from [<c01546e4>] (spi_drv_probe+0x20/0x24) [ 3.091217] r7:00000000 r6:c0351ed8 r5:c0388910 r4:c3869e00 [ 3.091339] [<c01546c4>] (spi_drv_probe) from [<c0137e1c>] (driver_probe_device+0xe8/0x248) [ 3.091400] [<c0137d34>] (driver_probe_device) from [<c0138038>] (__driver_attach+0x70/0x94) [ 3.091430] r9:c035c880 r8:c033c520 r7:c03579f4 r6:c0351ed8 r5:c3869e34 r4:c3869e00 [ 3.091583] [<c0137fc8>] (__driver_attach) from [<c01365dc>] (bus_for_each_dev+0x74/0x98) [ 3.091613] r7:c03579f4 r6:c0137fc8 r5:c0351ed8 r4:00000000 [ 3.091735] [<c0136568>] (bus_for_each_dev) from [<c0137954>] (driver_attach+0x20/0x28) [ 3.091766] r6:c3a244e0 r5:00000000 r4:c0351ed8 [ 3.091857] [<c0137934>] (driver_attach) from [<c01375f8>] (bus_add_driver+0xe8/0x1d4) [ 3.091949] [<c0137510>] (bus_add_driver) from [<c0138474>] (driver_register+0xa4/0xe8) [ 3.091979] r7:c033c520 r6:00000000 r5:c0230be8 r4:c0351ed8 [ 3.092102] [<c01383d0>] (driver_register) from [<c0154bc4>] (spi_register_driver+0x4c/0x60) [ 3.092132] r5:c0230be8 r4:c3a05860 [ 3.092254] [<c0154b78>] (spi_register_driver) from [<c0230bfc>] (mipid_spi_driver_init+0x14/0x1c) [ 3.092346] [<c0230be8>] (mipid_spi_driver_init) from [<c000951c>] (do_one_initcall+0x10c/0x1c4) [ 3.092407] [<c0009410>] (do_one_initcall) from [<c0221dd4>] (kernel_init_freeable+0xfc/0x1c0) [ 3.092437] r9:c035c880 r8:c035c880 r7:c0234ef0 r6:c0238270 r5:00000048 r4:00000006 [ 3.092590] [<c0221cd8>] (kernel_init_freeable) from [<c0196750>] (kernel_init+0x10/0xec) [ 3.092620] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0196740 r4:00000000 [ 3.092742] [<c0196740>] (kernel_init) from [<c000a0f8>] (ret_from_fork+0x14/0x3c) [ 3.092773] r5:c0196740 r4:00000000 [ 3.092834] Division by zero in kernel. [ 3.092895] CPU: 0 PID: 1 Comm: swapper Not tainted 4.1.0-rc1-770_tiny-los_350d5+-00006-g2568999 #1 [ 3.092926] Hardware name: Nokia 770 [ 3.092956] Backtrace: [ 3.093017] [<c000c9e4>] (dump_backtrace) from [<c000cc08>] (show_stack+0x18/0x1c) [ 3.093078] r7:00005a69 r6:000007d0 r5:00000001 r4:c0386c70 [ 3.093170] [<c000cbf0>] (show_stack) from [<c019776c>] (dump_stack+0x20/0x28) [ 3.093231] [<c019774c>] (dump_stack) from [<c000cb70>] (__div0+0x18/0x20) [ 3.093322] [<c000cb58>] (__div0) from [<c00de018>] (Ldiv0+0x8/0x10) [ 3.093444] [<c010cff4>] (calc_extif_timings) from [<c010d370>] (hwa742_init+0xa8/0x510) [ 3.093475] r10:00000000 r9:c035c880 r8:c3a0c228 r7:00000000 r6:c319d000 r5:00000000 [ 3.093566] r4:c0386c70 [ 3.093627] [<c010d2c8>] (hwa742_init) from [<c010a154>] (omapfb_do_probe+0x238/0x710) [ 3.093658] r10:00000000 r9:c035c880 r8:c3a0c228 r7:c0386b88 r6:c033fd00 r5:00000000 [ 3.093749] r4:c319d000 [ 3.093841] [<c0109f1c>] (omapfb_do_probe) from [<c010a6dc>] (omapfb_register_panel+0x38/0x40) [ 3.093872] r10:00000000 r9:c035c880 r8:c0351ed8 r7:00000000 r6:c0341738 r5:c3a0c228 [ 3.093963] r4:00000000 [ 3.094055] [<c010a6a4>] (omapfb_register_panel) from [<c010dee0>] (mipid_spi_probe+0x120/0x158) [ 3.094146] [<c010ddc0>] (mipid_spi_probe) from [<c01546e4>] (spi_drv_probe+0x20/0x24) [ 3.094177] r7:00000000 r6:c0351ed8 r5:c0388910 r4:c3869e00 [ 3.094299] [<c01546c4>] (spi_drv_probe) from [<c0137e1c>] (driver_probe_device+0xe8/0x248) [ 3.094390] [<c0137d34>] (driver_probe_device) from [<c0138038>] (__driver_attach+0x70/0x94) [ 3.094421] r9:c035c880 r8:c033c520 r7:c03579f4 r6:c0351ed8 r5:c3869e34 r4:c3869e00 [ 3.094543] [<c0137fc8>] (__driver_attach) from [<c01365dc>] (bus_for_each_dev+0x74/0x98) [ 3.094573] r7:c03579f4 r6:c0137fc8 r5:c0351ed8 r4:00000000 [ 3.094696] [<c0136568>] (bus_for_each_dev) from [<c0137954>] (driver_attach+0x20/0x28) [ 3.094726] r6:c3a244e0 r5:00000000 r4:c0351ed8 [ 3.094818] [<c0137934>] (driver_attach) from [<c01375f8>] (bus_add_driver+0xe8/0x1d4) [ 3.094909] [<c0137510>] (bus_add_driver) from [<c0138474>] (driver_register+0xa4/0xe8) [ 3.094940] r7:c033c520 r6:00000000 r5:c0230be8 r4:c0351ed8 [ 3.095062] [<c01383d0>] (driver_register) from [<c0154bc4>] (spi_register_driver+0x4c/0x60) [ 3.095092] r5:c0230be8 r4:c3a05860 [ 3.095214] [<c0154b78>] (spi_register_driver) from [<c0230bfc>] (mipid_spi_driver_init+0x14/0x1c) [ 3.095306] [<c0230be8>] (mipid_spi_driver_init) from [<c000951c>] (do_one_initcall+0x10c/0x1c4) [ 3.095367] [<c0009410>] (do_one_initcall) from [<c0221dd4>] (kernel_init_freeable+0xfc/0x1c0) [ 3.095428] r9:c035c880 r8:c035c880 r7:c0234ef0 r6:c0238270 r5:00000048 r4:00000006 [ 3.095550] [<c0221cd8>] (kernel_init_freeable) from [<c0196750>] (kernel_init+0x10/0xec) [ 3.095581] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0196740 r4:00000000 [ 3.095703] [<c0196740>] (kernel_init) from [<c000a0f8>] (ret_from_fork+0x14/0x3c) [ 3.095733] r5:c0196740 r4:00000000 [ 3.095886] Division by zero in kernel. [ 3.095947] CPU: 0 PID: 1 Comm: swapper Not tainted 4.1.0-rc1-770_tiny-los_350d5+-00006-g2568999 #1 [ 3.095977] Hardware name: Nokia 770 [ 3.096008] Backtrace: [ 3.096069] [<c000c9e4>] (dump_backtrace) from [<c000cc08>] (show_stack+0x18/0x1c) [ 3.096099] r7:00005a69 r6:00001215 r5:00000001 r4:c0386c70 [ 3.096221] [<c000cbf0>] (show_stack) from [<c019776c>] (dump_stack+0x20/0x28) [ 3.096282] [<c019774c>] (dump_stack) from [<c000cb70>] (__div0+0x18/0x20) [ 3.096374] [<c000cb58>] (__div0) from [<c00de018>] (Ldiv0+0x8/0x10) [ 3.096466] [<c010cff4>] (calc_extif_timings) from [<c010d3e0>] (hwa742_init+0x118/0x510) [ 3.096527] r10:00000000 r9:00000011 r8:c3a0c228 r7:0000008b r6:c319d000 r5:00000000 [ 3.096618] r4:c0386c70 [ 3.096679] [<c010d2c8>] (hwa742_init) from [<c010a154>] (omapfb_do_probe+0x238/0x710) [ 3.096710] r10:00000000 r9:c035c880 r8:c3a0c228 r7:c0386b88 r6:c033fd00 r5:00000000 [ 3.096832] r4:c319d000 [ 3.096893] [<c0109f1c>] (omapfb_do_probe) from [<c010a6dc>] (omapfb_register_panel+0x38/0x40) [ 3.096923] r10:00000000 r9:c035c880 r8:c0351ed8 r7:00000000 r6:c0341738 r5:c3a0c228 [ 3.097015] r4:00000000 [ 3.097106] [<c010a6a4>] (omapfb_register_panel) from [<c010dee0>] (mipid_spi_probe+0x120/0x158) [ 3.097198] [<c010ddc0>] (mipid_spi_probe) from [<c01546e4>] (spi_drv_probe+0x20/0x24) [ 3.097381] r7:00000000 r6:c0351ed8 r5:c0388910 r4:c3869e00 [ 3.097503] [<c01546c4>] (spi_drv_probe) from [<c0137e1c>] (driver_probe_device+0xe8/0x248) [ 3.097595] [<c0137d34>] (driver_probe_device) from [<c0138038>] (__driver_attach+0x70/0x94) [ 3.097625] r9:c035c880 r8:c033c520 r7:c03579f4 r6:c0351ed8 r5:c3869e34 r4:c3869e00 [ 3.097747] [<c0137fc8>] (__driver_attach) from [<c01365dc>] (bus_for_each_dev+0x74/0x98) [ 3.097808] r7:c03579f4 r6:c0137fc8 r5:c0351ed8 r4:00000000 [ 3.097900] [<c0136568>] (bus_for_each_dev) from [<c0137954>] (driver_attach+0x20/0x28) [ 3.097930] r6:c3a244e0 r5:00000000 r4:c0351ed8 [ 3.098052] [<c0137934>] (driver_attach) from [<c01375f8>] (bus_add_driver+0xe8/0x1d4) [ 3.098114] [<c0137510>] (bus_add_driver) from [<c0138474>] (driver_register+0xa4/0xe8) [ 3.098144] r7:c033c520 r6:00000000 r5:c0230be8 r4:c0351ed8 [ 3.098266] [<c01383d0>] (driver_register) from [<c0154bc4>] (spi_register_driver+0x4c/0x60) [ 3.098297] r5:c0230be8 r4:c3a05860 [ 3.098419] [<c0154b78>] (spi_register_driver) from [<c0230bfc>] (mipid_spi_driver_init+0x14/0x1c) [ 3.098510] [<c0230be8>] (mipid_spi_driver_init) from [<c000951c>] (do_one_initcall+0x10c/0x1c4) [ 3.098602] [<c0009410>] (do_one_initcall) from [<c0221dd4>] (kernel_init_freeable+0xfc/0x1c0) [ 3.098632] r9:c035c880 r8:c035c880 r7:c0234ef0 r6:c0238270 r5:00000048 r4:00000006 [ 3.098754] [<c0221cd8>] (kernel_init_freeable) from [<c0196750>] (kernel_init+0x10/0xec) [ 3.098785] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0196740 r4:00000000 [ 3.098907] [<c0196740>] (kernel_init) from [<c000a0f8>] (ret_from_fork+0x14/0x3c) [ 3.098937] r5:c0196740 r4:00000000 [ 3.098999] Division by zero in kernel. [ 3.099060] CPU: 0 PID: 1 Comm: swapper Not tainted 4.1.0-rc1-770_tiny-los_350d5+-00006-g2568999 #1 [ 3.099090] Hardware name: Nokia 770 [ 3.099121] Backtrace: [ 3.099212] [<c000c9e4>] (dump_backtrace) from [<c000cc08>] (show_stack+0x18/0x1c) [ 3.099243] r7:00005a69 r6:000007d0 r5:00000001 r4:c0386c70 [ 3.099334] [<c000cbf0>] (show_stack) from [<c019776c>] (dump_stack+0x20/0x28) [ 3.099426] [<c019774c>] (dump_stack) from [<c000cb70>] (__div0+0x18/0x20) [ 3.099517] [<c000cb58>] (__div0) from [<c00de018>] (Ldiv0+0x8/0x10) [ 3.099609] [<c010cff4>] (calc_extif_timings) from [<c010d3e0>] (hwa742_init+0x118/0x510) [ 3.099639] r10:00000000 r9:00000011 r8:c3a0c228 r7:0000008b r6:c319d000 r5:00000000 [ 3.099731] r4:c0386c70 [ 3.099822] [<c010d2c8>] (hwa742_init) from [<c010a154>] (omapfb_do_probe+0x238/0x710) [ 3.099853] r10:00000000 r9:c035c880 r8:c3a0c228 r7:c0386b88 r6:c033fd00 r5:00000000 [ 3.099945] r4:c319d000 [ 3.100036] [<c0109f1c>] (omapfb_do_probe) from [<c010a6dc>] (omapfb_register_panel+0x38/0x40) [ 3.100067] r10:00000000 r9:c035c880 r8:c0351ed8 r7:00000000 r6:c0341738 r5:c3a0c228 [ 3.100158] r4:00000000 [ 3.100219] [<c010a6a4>] (omapfb_register_panel) from [<c010dee0>] (mipid_spi_probe+0x120/0x158) [ 3.100311] [<c010ddc0>] (mipid_spi_probe) from [<c01546e4>] (spi_drv_probe+0x20/0x24) [ 3.100341] r7:00000000 r6:c0351ed8 r5:c0388910 r4:c3869e00 [ 3.100494] [<c01546c4>] (spi_drv_probe) from [<c0137e1c>] (driver_probe_device+0xe8/0x248) [ 3.100555] [<c0137d34>] (driver_probe_device) from [<c0138038>] (__driver_attach+0x70/0x94) [ 3.100585] r9:c035c880 r8:c033c520 r7:c03579f4 r6:c0351ed8 r5:c3869e34 r4:c3869e00 [ 3.100738] [<c0137fc8>] (__driver_attach) from [<c01365dc>] (bus_for_each_dev+0x74/0x98) [ 3.100769] r7:c03579f4 r6:c0137fc8 r5:c0351ed8 r4:00000000 [ 3.100891] [<c0136568>] (bus_for_each_dev) from [<c0137954>] (driver_attach+0x20/0x28) [ 3.100921] r6:c3a244e0 r5:00000000 r4:c0351ed8 [ 3.101013] [<c0137934>] (driver_attach) from [<c01375f8>] (bus_add_driver+0xe8/0x1d4) [ 3.101074] [<c0137510>] (bus_add_driver) from [<c0138474>] (driver_register+0xa4/0xe8) [ 3.101135] r7:c033c520 r6:00000000 r5:c0230be8 r4:c0351ed8 [ 3.101226] [<c01383d0>] (driver_register) from [<c0154bc4>] (spi_register_driver+0x4c/0x60) [ 3.101287] r5:c0230be8 r4:c3a05860 [ 3.101379] [<c0154b78>] (spi_register_driver) from [<c0230bfc>] (mipid_spi_driver_init+0x14/0x1c) [ 3.101470] [<c0230be8>] (mipid_spi_driver_init) from [<c000951c>] (do_one_initcall+0x10c/0x1c4) [ 3.101562] [<c0009410>] (do_one_initcall) from [<c0221dd4>] (kernel_init_freeable+0xfc/0x1c0) [ 3.101593] r9:c035c880 r8:c035c880 r7:c0234ef0 r6:c0238270 r5:00000048 r4:00000006 [ 3.101715] [<c0221cd8>] (kernel_init_freeable) from [<c0196750>] (kernel_init+0x10/0xec) [ 3.101745] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0196740 r4:00000000 [ 3.101867] [<c0196740>] (kernel_init) from [<c000a0f8>] (ret_from_fork+0x14/0x3c) [ 3.101928] r5:c0196740 r4:00000000 [ 3.102172] Division by zero in kernel. [ 3.102233] CPU: 0 PID: 1 Comm: swapper Not tainted 4.1.0-rc1-770_tiny-los_350d5+-00006-g2568999 #1 [ 3.102264] Hardware name: Nokia 770 [ 3.102294] Backtrace: [ 3.102355] [<c000c9e4>] (dump_backtrace) from [<c000cc08>] (show_stack+0x18/0x1c) [ 3.102416] r7:00000002 r6:c319d000 r5:c0386c70 r4:00000002 [ 3.102508] [<c000cbf0>] (show_stack) from [<c019776c>] (dump_stack+0x20/0x28) [ 3.102600] [<c019774c>] (dump_stack) from [<c000cb70>] (__div0+0x18/0x20) [ 3.102691] [<c000cb58>] (__div0) from [<c00de018>] (Ldiv0+0x8/0x10) [ 3.102783] [<c010d2c8>] (hwa742_init) from [<c010a154>] (omapfb_do_probe+0x238/0x710) [ 3.102813] r10:00000000 r9:c035c880 r8:c3a0c228 r7:c0386b88 r6:c033fd00 r5:00000000 [ 3.102905] r4:c319d000 [ 3.102966] [<c0109f1c>] (omapfb_do_probe) from [<c010a6dc>] (omapfb_register_panel+0x38/0x40) [ 3.102996] r10:00000000 r9:c035c880 r8:c0351ed8 r7:00000000 r6:c0341738 r5:c3a0c228 [ 3.103088] r4:00000000 [ 3.103179] [<c010a6a4>] (omapfb_register_panel) from [<c010dee0>] (mipid_spi_probe+0x120/0x158) [ 3.103271] [<c010ddc0>] (mipid_spi_probe) from [<c01546e4>] (spi_drv_probe+0x20/0x24) [ 3.103302] r7:00000000 r6:c0351ed8 r5:c0388910 r4:c3869e00 [ 3.103424] [<c01546c4>] (spi_drv_probe) from [<c0137e1c>] (driver_probe_device+0xe8/0x248) [ 3.103515] [<c0137d34>] (driver_probe_device) from [<c0138038>] (__driver_attach+0x70/0x94) [ 3.103546] r9:c035c880 r8:c033c520 r7:c03579f4 r6:c0351ed8 r5:c3869e34 r4:c3869e00 [ 3.103698] [<c0137fc8>] (__driver_attach) from [<c01365dc>] (bus_for_each_dev+0x74/0x98) [ 3.103729] r7:c03579f4 r6:c0137fc8 r5:c0351ed8 r4:00000000 [ 3.103820] [<c0136568>] (bus_for_each_dev) from [<c0137954>] (driver_attach+0x20/0x28) [ 3.103851] r6:c3a244e0 r5:00000000 r4:c0351ed8 [ 3.103973] [<c0137934>] (driver_attach) from [<c01375f8>] (bus_add_driver+0xe8/0x1d4) [ 3.104034] [<c0137510>] (bus_add_driver) from [<c0138474>] (driver_register+0xa4/0xe8) [ 3.104064] r7:c033c520 r6:00000000 r5:c0230be8 r4:c0351ed8 [ 3.104187] [<c01383d0>] (driver_register) from [<c0154bc4>] (spi_register_driver+0x4c/0x60) [ 3.104217] r5:c0230be8 r4:c3a05860 [ 3.104339] [<c0154b78>] (spi_register_driver) from [<c0230bfc>] (mipid_spi_driver_init+0x14/0x1c) [ 3.104431] [<c0230be8>] (mipid_spi_driver_init) from [<c000951c>] (do_one_initcall+0x10c/0x1c4) [ 3.104492] [<c0009410>] (do_one_initcall) from [<c0221dd4>] (kernel_init_freeable+0xfc/0x1c0) [ 3.104553] r9:c035c880 r8:c035c880 r7:c0234ef0 r6:c0238270 r5:00000048 r4:00000006 [ 3.104675] [<c0221cd8>] (kernel_init_freeable) from [<c0196750>] (kernel_init+0x10/0xec) [ 3.104705] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0196740 r4:00000000 [ 3.104827] [<c0196740>] (kernel_init) from [<c000a0f8>] (ret_from_fork+0x14/0x3c) [ 3.104858] r5:c0196740 r4:00000000 [ 3.104919] Division by zero in kernel. [ 3.104980] CPU: 0 PID: 1 Comm: swapper Not tainted 4.1.0-rc1-770_tiny-los_350d5+-00006-g2568999 #1 [ 3.105010] Hardware name: Nokia 770 [ 3.105010] Backtrace: [ 3.105102] [<c000c9e4>] (dump_backtrace) from [<c000cc08>] (show_stack+0x18/0x1c) [ 3.105133] r7:00000001 r6:c319d000 r5:c0386c70 r4:00000001 [ 3.105255] [<c000cbf0>] (show_stack) from [<c019776c>] (dump_stack+0x20/0x28) [ 3.105316] [<c019774c>] (dump_stack) from [<c000cb70>] (__div0+0x18/0x20) [ 3.105407] [<c000cb58>] (__div0) from [<c00de018>] (Ldiv0+0x8/0x10) [ 3.105499] [<c010d2c8>] (hwa742_init) from [<c010a154>] (omapfb_do_probe+0x238/0x710) [ 3.105529] r10:00000000 r9:c035c880 r8:c3a0c228 r7:c0386b88 r6:c033fd00 r5:00000000 [ 3.105621] r4:c319d000 [ 3.105712] [<c0109f1c>] (omapfb_do_probe) from [<c010a6dc>] (omapfb_register_panel+0x38/0x40) [ 3.105743] r10:00000000 r9:c035c880 r8:c0351ed8 r7:00000000 r6:c0341738 r5:c3a0c228 [ 3.105834] r4:00000000 [ 3.105926] [<c010a6a4>] (omapfb_register_panel) from [<c010dee0>] (mipid_spi_probe+0x120/0x158) [ 3.106018] [<c010ddc0>] (mipid_spi_probe) from [<c01546e4>] (spi_drv_probe+0x20/0x24) [ 3.106048] r7:00000000 r6:c0351ed8 r5:c0388910 r4:c3869e00 [ 3.106170] [<c01546c4>] (spi_drv_probe) from [<c0137e1c>] (driver_probe_device+0xe8/0x248) [ 3.106231] [<c0137d34>] (driver_probe_device) from [<c0138038>] (__driver_attach+0x70/0x94) [ 3.106292] r9:c035c880 r8:c033c520 r7:c03579f4 r6:c0351ed8 r5:c3869e34 r4:c3869e00 [ 3.106414] [<c0137fc8>] (__driver_attach) from [<c01365dc>] (bus_for_each_dev+0x74/0x98) [ 3.106445] r7:c03579f4 r6:c0137fc8 r5:c0351ed8 r4:00000000 [ 3.106567] [<c0136568>] (bus_for_each_dev) from [<c0137954>] (driver_attach+0x20/0x28) [ 3.106597] r6:c3a244e0 r5:00000000 r4:c0351ed8 [ 3.106689] [<c0137934>] (driver_attach) from [<c01375f8>] (bus_add_driver+0xe8/0x1d4) [ 3.106781] [<c0137510>] (bus_add_driver) from [<c0138474>] (driver_register+0xa4/0xe8) [ 3.106811] r7:c033c520 r6:00000000 r5:c0230be8 r4:c0351ed8 [ 3.106933] [<c01383d0>] (driver_register) from [<c0154bc4>] (spi_register_driver+0x4c/0x60) [ 3.106964] r5:c0230be8 r4:c3a05860 [ 3.107055] [<c0154b78>] (spi_register_driver) from [<c0230bfc>] (mipid_spi_driver_init+0x14/0x1c) [ 3.107147] [<c0230be8>] (mipid_spi_driver_init) from [<c000951c>] (do_one_initcall+0x10c/0x1c4) [ 3.107238] [<c0009410>] (do_one_initcall) from [<c0221dd4>] (kernel_init_freeable+0xfc/0x1c0) [ 3.107391] r9:c035c880 r8:c035c880 r7:c0234ef0 r6:c0238270 r5:00000048 r4:00000006 [ 3.107543] [<c0221cd8>] (kernel_init_freeable) from [<c0196750>] (kernel_init+0x10/0xec) [ 3.107574] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0196740 r4:00000000 [ 3.107696] [<c0196740>] (kernel_init) from [<c000a0f8>] (ret_from_fork+0x14/0x3c) [ 3.107727] r5:c0196740 r4:00000000 [ 3.107757] Division by zero in kernel. [ 3.107818] CPU: 0 PID: 1 Comm: swapper Not tainted 4.1.0-rc1-770_tiny-los_350d5+-00006-g2568999 #1 [ 3.107849] Hardware name: Nokia 770 [ 3.107879] Backtrace: [ 3.107971] [<c000c9e4>] (dump_backtrace) from [<c000cc08>] (show_stack+0x18/0x1c) [ 3.108001] r7:00000001 r6:c319d000 r5:c0386c70 r4:00000001 [ 3.108093] [<c000cbf0>] (show_stack) from [<c019776c>] (dump_stack+0x20/0x28) [ 3.108184] [<c019774c>] (dump_stack) from [<c000cb70>] (__div0+0x18/0x20) [ 3.108276] [<c000cb58>] (__div0) from [<c00de018>] (Ldiv0+0x8/0x10) [ 3.108367] [<c010d2c8>] (hwa742_init) from [<c010a154>] (omapfb_do_probe+0x238/0x710) [ 3.108398] r10:00000000 r9:c035c880 r8:c3a0c228 r7:c0386b88 r6:c033fd00 r5:00000000 [ 3.108489] r4:c319d000 [ 3.108551] [<c0109f1c>] (omapfb_do_probe) from [<c010a6dc>] (omapfb_register_panel+0x38/0x40) [ 3.108612] r10:00000000 r9:c035c880 r8:c0351ed8 r7:00000000 r6:c0341738 r5:c3a0c228 [ 3.108703] r4:00000000 [ 3.108764] [<c010a6a4>] (omapfb_register_panel) from [<c010dee0>] (mipid_spi_probe+0x120/0x158) [ 3.108856] [<c010ddc0>] (mipid_spi_probe) from [<c01546e4>] (spi_drv_probe+0x20/0x24) [ 3.108917] r7:00000000 r6:c0351ed8 r5:c0388910 r4:c3869e00 [ 3.109039] [<c01546c4>] (spi_drv_probe) from [<c0137e1c>] (driver_probe_device+0xe8/0x248) [ 3.109100] [<c0137d34>] (driver_probe_device) from [<c0138038>] (__driver_attach+0x70/0x94) [ 3.109130] r9:c035c880 r8:c033c520 r7:c03579f4 r6:c0351ed8 r5:c3869e34 r4:c3869e00 [ 3.109283] [<c0137fc8>] (__driver_attach) from [<c01365dc>] (bus_for_each_dev+0x74/0x98) [ 3.109313] r7:c03579f4 r6:c0137fc8 r5:c0351ed8 r4:00000000 [ 3.109436] [<c0136568>] (bus_for_each_dev) from [<c0137954>] (driver_attach+0x20/0x28) [ 3.109466] r6:c3a244e0 r5:00000000 r4:c0351ed8 [ 3.109558] [<c0137934>] (driver_attach) from [<c01375f8>] (bus_add_driver+0xe8/0x1d4) [ 3.109649] [<c0137510>] (bus_add_driver) from [<c0138474>] (driver_register+0xa4/0xe8) [ 3.109680] r7:c033c520 r6:00000000 r5:c0230be8 r4:c0351ed8 [ 3.109802] [<c01383d0>] (driver_register) from [<c0154bc4>] (spi_register_driver+0x4c/0x60) [ 3.109832] r5:c0230be8 r4:c3a05860 [ 3.109924] [<c0154b78>] (spi_register_driver) from [<c0230bfc>] (mipid_spi_driver_init+0x14/0x1c) [ 3.110015] [<c0230be8>] (mipid_spi_driver_init) from [<c000951c>] (do_one_initcall+0x10c/0x1c4) [ 3.110107] [<c0009410>] (do_one_initcall) from [<c0221dd4>] (kernel_init_freeable+0xfc/0x1c0) [ 3.110137] r9:c035c880 r8:c035c880 r7:c0234ef0 r6:c0238270 r5:00000048 r4:00000006 [ 3.110290] [<c0221cd8>] (kernel_init_freeable) from [<c0196750>] (kernel_init+0x10/0xec) [ 3.110321] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0196740 r4:00000000 [ 3.110443] [<c0196740>] (kernel_init) from [<c000a0f8>] (ret_from_fork+0x14/0x3c) [ 3.110473] r5:c0196740 r4:00000000 [ 3.110534] omapfb omapfb: HWA742: can't setup tearing synchronization [ 3.111389] omapfb omapfb: controller initialization failed (-33) [ 3.112152] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 3.117492] console [ttyS0] disabled [ 3.137908] serial8250.0: ttyS0 at MMIO 0xfffb0000 (irq = 46, base_baud = 3000000) is a ST16654 [ 5.482666] console [ttyS0] enabled [ 5.508422] serial8250.0: ttyS1 at MMIO 0xfffb0800 (irq = 47, base_baud = 3000000) is a ST16654 [ 5.539245] serial8250.0: ttyS2 at MMIO 0xfffb9800 (irq = 15, base_baud = 3000000) is a ST16654 [ 5.550994] usbcore: registered new interface driver usb-storage [ 5.558013] ads7846 spi2.0: touchscreen, irq 174 [ 5.564147] input: ADS7846 Touchscreen as /devices/platform/omap_uwire/spi_master/spi2/spi2.0/input/input0 [ 5.575653] retu-mfd 2-0001: Retu v3.2 found [ 5.582244] retu-mfd 2-0002: Tahvo v5.2 found [ 5.590454] mmci-omap mmci-omap.1: Runtime PM disabled, clock forced on. [ 5.597442] mmci-omap mmci-omap.1: Runtime PM disabled, clock forced on. [ 5.638610] usbcore: registered new interface driver usbhid [ 5.644256] usbhid: USB HID core driver [ 5.650604] mmci-omap mmci-omap.1: command timeout (CMD52) [ 5.657257] mmci-omap mmci-omap.1: command timeout (CMD52) [ 5.668060] mmci-omap mmci-omap.1: command timeout (CMD8) [ 5.674621] mmci-omap mmci-omap.1: command timeout (CMD5) [ 5.691864] Freeing unused kernel memory: 1124K (c0221000 - c033a000) [ 5.699554] mmci-omap mmci-omap.1: command timeout (CMD5) [ 5.705871] mmci-omap mmci-omap.1: command timeout (CMD5) [ 5.712860] mmci-omap mmci-omap.1: command timeout (CMD5) [ 5.719329] mmci-omap mmci-omap.1: command timeout (CMD55) [ 5.725799] mmci-omap mmci-omap.1: command timeout (CMD55) [ 5.732666] mmci-omap mmci-omap.1: command timeout (CMD55) [ 5.739227] mmci-omap mmci-omap.1: command timeout (CMD55) [ 6.205718] mmc0: new MMC card at address 0001 [ 6.217559] mmcblk0: mmc0:0001 NCard 1.86 GiB [ 6.225738] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 6.237121] mmcblk0: p1 p2 [ 6.263214] ohci-omap: OHCI OMAP driver [ 6.267608] ohci ohci: OMAP OHCI [ 6.271026] ohci ohci: new USB bus registered, assigned bus number 1 [ 6.277984] ohci ohci: irq 38, io mem 0xfffba000 [ 8.268981] hub 1-0:1.0: USB hub found [ 8.273010] hub 1-0:1.0: 3 ports detected Waiting for kexec media to appear... Press ENTER to interrupt. Found /dev/mmcblk0p1. Press ENTER to interrupt. [ 10.733978] EXT2-fs (mmcblk0p1): warning: mounting unchecked fs, running e2fsck is recommended ifdown: socket: Function not implemented[ 14.203186] kexec: Starting new kernel [ 14.207916] Bye! A. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
