Public bug reported:
kernel crash on boot rendering sdio wifi and bluetooth from operating on
Nexbox T9 (Intel x5-z8300), works fine under Windows 10. It happens on
both 16.04 and 16.10 with kernel 4.4.0 and on kernel 4.8.0-rc4 on Fedora
25 alpha. The acpi errors don't show up in the 4.8.0 kernel dmesg.
Ubuntu 16.10 output.
[ 34.656025] i2c_designware 808622C1:06: I2C bus managed by PUNIT
[ 34.756942] i2c_designware 808622C1:06: punit semaphore timed out, resetting
[ 34.757068] i2c_designware 808622C1:06: PUNIT SEM: 2
[ 34.757134] ------------[ cut here ]------------
[ 34.757148] WARNING: CPU: 1 PID: 1137 at
/build/linux-rTsl6N/linux-4.4.0/drivers/i2c/busses/i2c-designware-baytrail.c:112
baytrail_i2c_acquire+0x139/0x1e0 [i2c_designware_platform]()
[ 34.757152] Modules linked in: mei_txe(+) mei snd_rawmidi lpc_ich(+)
processor_thermal_device(+) intel_soc_dts_iosf snd_seq hci_uart snd_seq_device
8250_fintek snd_timer intel_hid btbcm btqca dw_dmac btintel sparse_keymap
dw_dmac_core
bluetooth snd pwm_lpss_platform spi_pxa2xx_platform i2c_designware_platform(+)
rfkill_gpio i2c_designware_core pwm_lpss soundcore int3403_thermal
int340x_thermal_zone 8250_dw int3400_thermal soc_button_array acpi_thermal_rel
mac_hid acpi_
pad parport_pc ppdev lp parport ip_tables x_tables autofs4 overlay nls_utf8
isofs nls_iso8859_1 dm_mirror dm_region_hash dm_log uas usb_storage
hid_logitech_hidpp hid_logitech_dj usbhid mmc_block i915 i2c_algo_bit
drm_kms_helper syscopyar
ea sysfillrect sysimgblt fb_sys_fops drm video fjes i2c_hid hid sdhci_acpi
sdhci pinctrl_cherryview
[ 34.757245] CPU: 1 PID: 1137 Comm: systemd-udevd Not tainted
4.4.0-9136-generic #55-Ubuntu
[ 34.757248] Hardware name: N/A CherryTrail/Type2 - Board Product Name, BIOS
YT11.6W4x64.D003 05/17/2016
[ 34.757254] 0000000000000286 00000000be581321 ffff8800b8803a00
ffffffff813f13e3
[ 34.757260] 0000000000000000 ffffffffc0325708 ffff8800b8803a38
ffffffff810810f2
[ 34.757266] ffff8801384f9018 00000000ffffff92 00000000fffefce0
ffff88013b08c810
[ 34.757272] Call Trace:
[ 34.757285] [<ffffffff813f13e3>] dump_stack+0x63/0x90
[ 34.757293] [<ffffffff810810f2>] warn_slowpath_common+0x82/0xc0
[ 34.757298] [<ffffffff8108123a>] warn_slowpath_null+0x1a/0x20
[ 34.757305] [<ffffffffc0324919>] baytrail_i2c_acquire+0x139/0x1e0
[i2c_designware_platform]
[ 34.757313] [<ffffffffc0311217>] i2c_dw_init+0x27/0x350
[i2c_designware_core]
[ 34.757319] [<ffffffffc0311592>] i2c_dw_probe+0x52/0x180
[i2c_designware_core]
[ 34.757325] [<ffffffffc0324494>] dw_i2c_plat_probe+0x1d4/0x410
[i2c_designware_platform]
[ 34.757334] [<ffffffff8155648b>] platform_drv_probe+0x3b/0xa0
[ 34.757339] [<ffffffff81554282>] driver_probe_device+0x222/0x4a0
[ 34.757344] [<ffffffff81554584>] __driver_attach+0x84/0x90
[ 34.757349] [<ffffffff81554500>] ? driver_probe_device+0x4a0/0x4a0
[ 34.757354] [<ffffffff81551eac>] bus_for_each_dev+0x6c/0xc0
[ 34.757359] [<ffffffff81553a3e>] driver_attach+0x1e/0x20
[ 34.757364] [<ffffffff8155357b>] bus_add_driver+0x1eb/0x280
[ 34.757368] [<ffffffffc032e000>] ? 0xffffffffc032e000
[ 34.757373] [<ffffffff81554e90>] driver_register+0x60/0xe0
[ 34.757378] [<ffffffff815563c6>] __platform_driver_register+0x36/0x40
[ 34.757384] [<ffffffffc032e017>] dw_i2c_init_driver+0x17/0x1000
[i2c_designware_platform]
[ 34.757390] [<ffffffff81002123>] do_one_initcall+0xb3/0x200
[ 34.757397] [<ffffffff811eb823>] ? kmem_cache_alloc_trace+0x183/0x1f0
[ 34.757404] [<ffffffff8118c7a3>] do_init_module+0x5f/0x1cf
[ 34.757412] [<ffffffff8110a1f7>] load_module+0x1667/0x1c00
[ 34.757417] [<ffffffff811067a0>] ? __symbol_put+0x60/0x60
[ 34.757424] [<ffffffff81213160>] ? kernel_read+0x50/0x80
[ 34.757429] [<ffffffff8110a9d4>] SYSC_finit_module+0xb4/0xe0
[ 34.757435] [<ffffffff8110aa1e>] SyS_finit_module+0xe/0x10
[ 34.757441] [<ffffffff8182dff2>] entry_SYSCALL_64_fastpath+0x16/0x71
[ 34.757446] ---[ end trace e446adf67caf8c0d ]---
[ 34.757451] i2c_designware 808622C1:06: couldn't acquire bus ownership
[ 34.757582] i2c_designware: probe of 808622C1:06 failed with error -110
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Attachment added: "Ubuntu 16.10 dmesg output"
https://bugs.launchpad.net/bugs/1625440/+attachment/4744080/+files/nexbox.dmesg.4.4.0-9136-generic
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https://bugs.launchpad.net/bugs/1625440
Title:
WARNING: CPU: 1 PID: 1137 at /build/linux-
rTsl6N/linux-4.4.0/drivers/i2c/busses/i2c-designware-baytrail.c:112
baytrail_i2c_acquire+0x139/0x1e0 [i2c_designware_platform]()
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