Hi, after upgrading to 4.3-rc gta04 board during boot print following warning: [ 3.111206] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec [ 3.131286] ------------[ cut here ]------------ [ 3.136138] WARNING: CPU: 0 PID: 1 at drivers/regulator/core.c:2105 _regulator_disable+0x74/0x16c() [ 3.145721] unbalanced disables for pbias_mmc_omap2430 [ 3.151153] Modules linked in: [ 3.154357] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.3.0-rc1-letux+ #4 [ 3.161499] Hardware name: Generic OMAP36xx (Flattened Device Tree) [ 3.168090] [<c001628c>] (unwind_backtrace) from [<c0012b60>] (show_stack+0x10/0x14) [ 3.176208] [<c0012b60>] (show_stack) from [<c029af28>] (dump_stack+0x70/0x8c) [ 3.183837] [<c029af28>] (dump_stack) from [<c0037868>] (warn_slowpath_common+0x84/0xb0) [ 3.192321] [<c0037868>] (warn_slowpath_common) from [<c00378c0>] (warn_slowpath_fmt+0x2c/0x3c) [ 3.201477] [<c00378c0>] (warn_slowpath_fmt) from [<c0315e2c>] (_regulator_disable+0x74/0x16c) [ 3.210540] [<c0315e2c>] (_regulator_disable) from [<c0315f54>] (regulator_disable+0x30/0x60) [ 3.219482] [<c0315f54>] (regulator_disable) from [<c045cb14>] (omap_hsmmc_set_power+0x6c/0x1d0) [ 3.228729] [<c045cb14>] (omap_hsmmc_set_power) from [<c045ccdc>] (omap_hsmmc_set_ios+0x64/0x220) [ 3.238037] [<c045ccdc>] (omap_hsmmc_set_ios) from [<c0448198>] (mmc_power_up+0x48/0xc8) [ 3.246490] [<c0448198>] (mmc_power_up) from [<c0448dac>] (mmc_start_host+0x48/0x6c) [ 3.254699] [<c0448dac>] (mmc_start_host) from [<c0449df4>] (mmc_add_host+0x5c/0x80) [ 3.262817] [<c0449df4>] (mmc_add_host) from [<c045c8e4>] (omap_hsmmc_probe+0x790/0x954) [ 3.271331] [<c045c8e4>] (omap_hsmmc_probe) from [<c034c0b0>] (platform_drv_probe+0x48/0x98) [ 3.280212] [<c034c0b0>] (platform_drv_probe) from [<c034a79c>] (driver_probe_device+0x110/0x290) [ 3.289550] [<c034a79c>] (driver_probe_device) from [<c034a98c>] (__driver_attach+0x70/0x94) [ 3.298400] [<c034a98c>] (__driver_attach) from [<c0348fa4>] (bus_for_each_dev+0x68/0x8c) [ 3.307006] [<c0348fa4>] (bus_for_each_dev) from [<c0349f54>] (bus_add_driver+0xcc/0x1e4) [ 3.315551] [<c0349f54>] (bus_add_driver) from [<c034b2e4>] (driver_register+0x9c/0xe0) [ 3.323974] [<c034b2e4>] (driver_register) from [<c0009804>] (do_one_initcall+0x104/0x1b8) [ 3.332672] [<c0009804>] (do_one_initcall) from [<c07dbd90>] (kernel_init_freeable+0x118/0x1e4) [ 3.341827] [<c07dbd90>] (kernel_init_freeable) from [<c0578fa4>] (kernel_init+0x8/0xe4) [ 3.350341] [<c0578fa4>] (kernel_init) from [<c000ec50>] (ret_from_fork+0x14/0x24) [ 3.358428] ---[ end trace 89c011c14ada579b ]--- [ 3.363281] omap_hsmmc 4809c000.mmc: pbias reg disable fail after reverting mmc: host: omap_hsmmc: enable/disable vmmc_aux regulator based on previous state (3f77f702389b7fbc955ec95721ce3861e40697fc) warning is gone and rootfs is mounted properly: [ 4.904022] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 4.912811] VFS: Mounted root (ext4 filesystem) on device 179:2. [ 4.932891] devtmpfs: mounted [ 4.937133] Freeing unused kernel memory: 436K (c07db000 - c0848000) INIT: version 2.88 booting but we see strange errors during booting like: -- udevd[984]: timeout: killing '/sbin/modprobe -b of:NbciT<NULL>Cti,twl4030-bci' [987] udevd[972]: timeout: killing '/sbin/modprobe -b of:NpwrbuttonT<NULL>Cti,twl4030-pwrbutton' [988] udevd[970]: timeout: killing '/sbin/modprobe -b of:NrtcT<NULL>Cti,twl4030-rtc' [996] udevd[968]: timeout: killing '/sbin/modprobe -b of:Ntwl4030-usbT<NULL>Cti,twl4030-usb' [997] udevd[973]: timeout: killing '/sbin/modprobe -b of:NgpioT<NULL>Cti,twl4030-gpio' [998] udevd[972]: timeout: killing '/sbin/modprobe -b of:NpwrbuttonT<NULL>Cti,twl4030-pwrbutton' [988] udevd[984]: timeout: killing '/sbin/modprobe -b of:NbciT<NULL>Cti,twl4030-bci' [987] udevd[970]: timeout: killing '/sbin/modprobe -b of:NrtcT<NULL>Cti,twl4030-rtc' [996] udevd[968]: timeout: killing '/sbin/modprobe -b of:Ntwl4030-usbT<NULL>Cti,twl4030-usb' [997] udevd[973]: timeout: killing '/sbin/modprobe -b of:NgpioT<NULL>Cti,twl4030-gpio' [998] which are repeated until we get prompt (after 1-2 minutes). Any idea what could cause this problems? On 4.2 it works fine. Many thanks. BR, marek as simple and primitive as possible ------------------------------------------------- Marek Belisko - OPEN-NANDRA Freelance Developer Ruska Nova Ves 219 | Presov, 08005 Slovak Republic Tel: +421 915 052 184 skype: marekwhite twitter: #opennandra web: http://open-nandra.com -- 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