Messages in this thread | | | From | Mikko Perttunen <> | Subject | Boot WARN with patch "regulator: core: Link consumer with regulator driver" | Date | Wed, 11 Jul 2018 13:08:14 +0300 |
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Hi,
I'm seeing the following spew during boot with Tegra210 with the patch "regulator: core: Link consumer with regulator driver", recently applied to linux-next:
[ 1.196664] ------------[ cut here ]------------ [ 1.201480] kobject: '(null)' ((____ptrval____)): is not initialized, yet kobject_put() is being called. [ 1.219186] WARNING: CPU: 2 PID: 23 at lib/kobject.c:688 kobject_put+0xa4/0xe8 [ 1.230026] Modules linked in: [ 1.241081] CPU: 2 PID: 23 Comm: kworker/2:0 Not tainted 4.18.0-rc4-next-20180711 #66 [ 1.258637] Hardware name: NVIDIA Jetson TX1 Developer Kit (DT) [ 1.258651] Workqueue: rcu_gp srcu_invoke_callbacks [ 1.272055] pstate: 60000005 (nZCv daif -PAN -UAO) [ 1.272064] pc : kobject_put+0xa4/0xe8 [ 1.272071] lr : kobject_put+0xa4/0xe8 [ 1.272078] sp : ffff000009be3cf0 [ 1.279387] console [ttyS0] disabled [ 1.283662] x29: ffff000009be3cf0 x28: 0000000000000000 [ 1.283673] x27: ffff8000fb30aeb8 x26: ffff000008e20690 [ 1.283686] x25: ffff0000093e2118 x24: ffff8000fff7b480 [ 1.314668] x23: ffff000008135358 x22: ffff8000fff7b4c0 [ 1.325719] x21: ffff8000fff7b4c8 x20: ffff8000fafae600 [ 1.325727] x19: ffff8000faa54850 x18: 0000000000000010 [ 1.346022] x17: 0000000000000000 x16: 0000000000000000 [ 1.346022] x17: 0000000000000000 x16: 0000000000000000 [ 1.356805] x15: ffffffffffffffff x14: 75705f7463656a62 [ 1.356805] x15: ffffffffffffffff x14: 75705f7463656a62 [ 1.356813] x13: 6f6b20746579202c x12: 64657a696c616974 [ 1.356813] x13: 6f6b20746579202c x12: 64657a696c616974 [ 1.374670] x11: 696e6920746f6e20 x10: 7369203a29295f5f [ 1.374670] x11: 696e6920746f6e20 x10: 7369203a29295f5f [ 1.374678] x9 : 5f5f6c6176727470 x8 : ffff0000085c9810 [ 1.404186] x7 : 6220736920292874 x6 : 000000000000000d [ 1.414785] x5 : 0000000000000000 x4 : 0000000000000000 [ 1.414793] x3 : ffffffffffffffff x2 : ffff000009301010 [ 1.414801] x1 : a7cf02699fb4fa00 x0 : 0000000000000000 [ 1.424623] Call trace: [ 1.424632] kobject_put+0xa4/0xe8 [ 1.424645] __device_link_free_srcu+0x24/0x48 [ 1.435235] srcu_invoke_callbacks+0xf0/0x170 [ 1.435242] process_one_work+0x1e0/0x318 [ 1.435247] worker_thread+0x40/0x428 [ 1.435259] kthread+0x124/0x128 [ 1.445628] loop: module loaded [ 1.449599] ---[ end trace ce0b4f0828c5eeaf ]--- [ 1.449619] ------------[ cut here ]------------
After reverting the patch, the kernel boots without the warning.
Thanks, Mikko
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