PUNIT i2c-designware-baytrail.c:106 baytrail_i2c_acquire+

[Nicola Lunghi]

 i2c_designware 808622C1:06: I2C bus managed by PUNIT
[ +0.099369] i2c_designware 808622C1:06: punit semaphore timed out, resetting
[ +0.000014] i2c_designware 808622C1:06: PUNIT SEM: 2
[ +0.000002] ------------[ cut here ]------------
[ +0.000012] WARNING: CPU: 3 PID: 315 at /build/linux-hwe-zOpU13/linux-hwe-4.10.0/drivers/i2c/busses
[ +0.000001] Modules linked in: snd_intel_sst_core snd_soc_sst_mfld_platform lpc_ich(+) snd_soc_sst_
[ +0.000061] CPU: 3 PID: 315 Comm: systemd-udevd Not tainted 4.10.0-40-generic #44~16.04.1-Ubuntu
[ +0.000002] Hardware name: AAEON UP-CHT01/UP-CHT01, BIOS UPC1BM0X 09/10/2016
[ +0.000001] Call Trace:
[ +0.000011] dump_stack+0x63/0x90
[ +0.000006] __warn+0xcb/0xf0
[ +0.000003] warn_slowpath_null+0x1d/0x20
[ +0.000004] baytrail_i2c_acquire+0x133/0x1e0 [i2c_designware_platform]
[ +0.000005] i2c_dw_acquire_lock+0x22/0x50 [i2c_designware_core]
[ +0.000003] i2c_dw_init+0x1e/0x600 [i2c_designware_core]
[ +0.000004] i2c_dw_probe+0x39/0x8d0 [i2c_designware_core]
[ +0.000005] ? pm_runtime_forbid+0x49/0x60
[ +0.000004] dw_i2c_plat_probe+0x29c/0x530 [i2c_designware_platform]
[ +0.000003] platform_drv_probe+0x3b/0xa0
[ +0.000004] ? acpi_lpss_activate+0x5b/0x90
[ +0.000002] driver_probe_device+0x2bf/0x460
[ +0.000003] __driver_attach+0xdf/0xf0
[ +0.000002] ? driver_probe_device+0x460/0x460
[ +0.000004] bus_for_each_dev+0x6c/0xc0
[ +0.000003] driver_attach+0x1e/0x20
[ +0.000003] bus_add_driver+0x1fd/0x270
[ +0.000003] ? 0xffffffffc05f9000
[ +0.000002] driver_register+0x60/0xe0
[ +0.000002] ? 0xffffffffc05f9000
[ +0.000002] __platform_driver_register+0x36/0x40
[ +0.000004] dw_i2c_init_driver+0x17/0x1000 [i2c_designware_platform]
[ +0.000004] do_one_initcall+0x53/0x1c0
[ +0.000004] ? __vunmap+0x81/0xd0
[ +0.000005] ? kmem_cache_alloc_trace+0x152/0x1c0
[ +0.000002] ? kfree+0x162/0x170
[ +0.000004] do_init_module+0x5f/0x1ff
[ +0.000005] load_module+0x1825/0x1bf0
[ +0.000003] ? __symbol_put+0x60/0x60
[ +0.000004] ? ima_post_read_file+0x7d/0xa0
[ +0.000004] ? security_kernel_post_read_file+0x6b/0x80
[ +0.000004] SYSC_finit_module+0xdf/0x110
[ +0.000004] SyS_finit_module+0xe/0x10
[ +0.000004] entry_SYSCALL_64_fastpath+0x1e/0xad
[ +0.000003] RIP: 0033:0x7f63971f5499
[ +0.000002] RSP: 002b:00007ffd74d55028 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ +0.000002] RAX: ffffffffffffffda RBX: 00007ffd74d53d30 RCX: 00007f63971f5499
[ +0.000002] RDX: 0000000000000000 RSI: 00007f63976ebe23 RDI: 000000000000000f
[ +0.000001] RBP: 00007ffd74d53d20 R08: 0000000000000000 R09: 0000000000000000
[ +0.000002] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffd74d54030
[ +0.000001] R13: 00007f63976ebd57 R14: 00007ffd74d53ea8 R15: 0000000000000001
[ +0.000003] ---[ end trace 69cf8baad810d48b ]---
[ +0.000002] i2c_designware 808622C1:06: couldn't acquire bus ownership
[ +0.000051] i2c_designware: probe of 808622C1:06 failed with error -110

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.3 LTS
Release: 16.04
Codename: xenial

apt-cache policy linux-image-4.10.0-40-generic
linux-image-4.10.0-40-generic:
  Installed: 4.10.0-40.44~16.04.1
  Candidate: 4.10.0-40.44~16.04.1
  Version table:
 *** 4.10.0-40.44~16.04.1 500
        500 http://de.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages
        100 /var/lib/dpkg/status

Bug present on Up board/cherry trail platform

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.10.0-40-generic 4.10.0-40.44~16.04.1
ProcVersionSignature: Ubuntu 4.10.0-40.44~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-40-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.13
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Nov 29 11:03:08 2017
InstallationDate: Installed on 2017-11-24 (5 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
SourcePackage: linux-hwe
UpgradeStatus: No upgrade log present (probably fresh install)

[Po-Hsu Lin (cypressyew)]

Hello,
4.10.0 is not supported anymore, please feel free to open a new bug with a newer kernel if you're still experiencing this issue.
Thanks