Hello Doug, On 04/12/2016 09:39 AM, Doug Anderson wrote: > Alim, > > On Tue, Apr 12, 2016 at 4:57 AM, Alim Akhtar <alim.akhtar@xxxxxxxxxxx> wrote: >> Hi All, >> I can't boot Peach-pi (exynos5800) with v4.6-rc-1, board hangs while booting >> with below boot hang-task. >> I have not git-bisected yet, will do that, but AFAIR it was booting fine >> with v4.5. >> Any idea? >> >> ======= >> [ 3.682786] mmcblk1: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 >> [ 36.001343] random: nonblocking pool is initialized >> [ 240.086291] INFO: task swapper/0:1 blocked for more than 120 seconds. >> [ 240.091271] Not tainted 4.6.0-rc1 #1 >> [ 240.095324] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables >> this message. >> [ 240.103153] swapper/0 D c07247cc 0 1 0 0x00000000 >> [ 240.109480] [<c07247cc>] (__schedule) from [<c0724ca0>] >> (schedule+0x40/0xac) >> [ 240.116517] [<c0724ca0>] (schedule) from [<c0724f04>] >> (schedule_preempt_disabled+0x14/0x20) >> [ 240.124846] [<c0724f04>] (schedule_preempt_disabled) from [<c0727704>] >> (__mutex_lock_slowpath+0x1b4/0x418) >> [ 240.134474] [<c0727704>] (__mutex_lock_slowpath) from [<c0727974>] >> (mutex_lock+0xc/0x24) >> [ 240.142544] [<c0727974>] (mutex_lock) from [<c05a1678>] >> (cros_ec_cmd_xfer+0x18/0xe8) >> [ 240.150262] [<c05a1678>] (cros_ec_cmd_xfer) from [<c05a087c>] >> (get_lightbar_version+0x34/0xb8) >> [ 240.158849] [<c05a087c>] (get_lightbar_version) from [<c05a092c>] >> (cros_ec_lightbar_attrs_are_visible+0x2c/0x38) >> [ 240.169000] [<c05a092c>] (cros_ec_lightbar_attrs_are_visible) from >> [<c024ca58>] (internal_create_group+0xb4/0x2d4) >> [ 240.179323] [<c024ca58>] (internal_create_group) from [<c024cda4>] >> (sysfs_create_groups+0x48/0xc8) >> [ 240.188260] [<c024cda4>] (sysfs_create_groups) from [<c0431c6c>] >> (device_add+0x258/0x528) >> [ 240.196413] [<c0431c6c>] (device_add) from [<c059fc90>] >> (ec_device_probe+0x12c/0x14c) >> [ 240.204223] [<c059fc90>] (ec_device_probe) from [<c0435c90>] >> (platform_drv_probe+0x50/0xa0) >> [ 240.212549] [<c0435c90>] (platform_drv_probe) from [<c04344b0>] >> (driver_probe_device+0x200/0x2ac) >> [ 240.221397] [<c04344b0>] (driver_probe_device) from [<c0434600>] >> (__driver_attach+0xa4/0xa8) >> [ 240.229811] [<c0434600>] (__driver_attach) from [<c0432b90>] >> (bus_for_each_dev+0x54/0x88) >> [ 240.237966] [<c0432b90>] (bus_for_each_dev) from [<c0433b00>] >> (bus_add_driver+0x174/0x1fc) >> [ 240.246206] [<c0433b00>] (bus_add_driver) from [<c0434e00>] >> (driver_register+0x78/0xf4) >> [ 240.254188] [<c0434e00>] (driver_register) from [<c0b22dcc>] >> (cros_ec_dev_init+0x88/0xd0) >> [ 240.262344] [<c0b22dcc>] (cros_ec_dev_init) from [<c0101774>] >> (do_one_initcall+0x90/0x1d4) >> [ 240.270587] [<c0101774>] (do_one_initcall) from [<c0b00d98>] >> (kernel_init_freeable+0x14c/0x1f4) >> [ 240.279259] [<c0b00d98>] (kernel_init_freeable) from [<c0723cb4>] >> (kernel_init+0x8/0x114) >> [ 240.287416] [<c0723cb4>] (kernel_init) from [<c0107e38>] >> (ret_from_fork+0x14/0x3c) >> [ 240.294961] INFO: task kworker/3:1:78 blocked for more than 120 seconds. >> [ 240.301637] Not tainted 4.6.0-rc1 #1 > > I haven't dug, but it wouldn't surprise me if you found the same issue > Heiko did. Can you see if > <https://patchwork.kernel.org/patch/8617941/> helps you? > That's correct, I can confirm that I needed Heiko's fix to boot v4.6-rc1 on my Peach Pi a few weeks ago. I don't have my machine at hand now to test but that fix made it to -rc3 so I would suggest using that tag instead of -rc1. > -Doug > -- > To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html