FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 2baed30cb30727b2637d26eac5a8887875a13420 ("spi: lm70llp: use new parport device model") +----------------+------------+------------+ | | 74bdced4b4 | 2baed30cb3 | +----------------+------------+------------+ | boot_successes | 0 | 0 | +----------------+------------+------------+ [ 6.358390] i6300esb: Intel 6300ESB WatchDog Timer Driver v0.05 [ 6.358540] i6300esb: cannot register miscdev on minor=130 (err=-16) [ 6.358555] i6300ESB timer: probe of 0000:00:06.0 failed with error -16 [ 6.363357] BUG: scheduling while atomic: systemd-udevd/134/0x00000002 [ 6.363366] Modules linked in: crc32c_intel pcspkr evdev i6300esb ide_cd_mod cdrom intel_agp intel_gtt i2c_piix4 i2c_core virtio_pci virtio virtio_ring agpgart rtc_cmos(+) parport_pc(+) autofs4 [ 6.363369] CPU: 1 PID: 134 Comm: systemd-udevd Not tainted 4.4.0-rc1-00006-g2baed30 #1 [ 6.363370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 6.363372] 0000000000012880 ffff88007f8bb880 ffffffff878a5e4d ffff880078712880 [ 6.363374] ffff88007f8bb890 ffffffff876a64d6 ffff88007f8bb8d0 ffffffff87b05f69 [ 6.363375] ffff88005d04e340 ffff88007f8bc000 000000000000007f ffffffff879a6260 [ 6.363375] Call Trace: [ 6.363385] [] dump_stack+0x4b/0x6e [ 6.363391] [] __schedule_bug+0x46/0x60 [ 6.363394] [] __schedule+0x549/0x780 [ 6.363398] [] ? dead_read+0x10/0x10 [ 6.363399] [] schedule+0x37/0x80 [ 6.363406] [] schedule_hrtimeout_range_clock+0x9f/0x100 [ 6.363410] [] ? hrtimer_init+0x10/0x10 [ 6.363411] [] schedule_hrtimeout_range+0xe/0x10 [ 6.363412] [] usleep_range+0x46/0x50 [ 6.363418] [] lcd_write_cmd_p8+0x33/0x90 [ 6.363420] [] lcd_init_display+0x35/0x130 [ 6.363421] [] panel_attach+0x6f3/0xb30 [ 6.363423] [] ? dead_read+0x10/0x10 [ 6.363424] [] driver_check+0x12/0x20 [ 6.363429] [] bus_for_each_drv+0x56/0x90 [ 6.363430] [] attach_driver_chain+0x54/0x60 [ 6.363432] [] parport_announce_port+0xeb/0x140 [ 6.363439] [] parport_pc_probe_port+0x729/0xc40 [parport_pc] [ 6.363441] [] ? __dev_printk+0x37/0x80 [ 6.363442] [] ? _dev_info+0x57/0x60 [ 6.363445] [] parport_pc_pnp_probe+0x13e/0x1e0 [parport_pc] [ 6.363448] [] ? parport_pc_pci_probe+0x270/0x270 [parport_pc] [ 6.363458] [] pnp_device_probe+0x5c/0xb0 [ 6.363461] [] driver_probe_device+0x21d/0x490 [ 6.363463] [] __driver_attach+0x7f/0x90 [ 6.363464] [] ? driver_probe_device+0x490/0x490 [ 6.363466] [] bus_for_each_dev+0x5f/0x90 [ 6.363467] [] driver_attach+0x19/0x20 [ 6.363469] [] bus_add_driver+0x1e1/0x280 [ 6.363470] [] driver_register+0x5b/0xd0 [ 6.363472] [] pnp_register_driver+0x1b/0x20 [ 6.363475] [] parport_pc_init+0x437/0xf48 [parport_pc] [ 6.363478] [] ? parport_parse_param+0xb8/0xb8 [parport_pc] [ 6.363481] [] do_one_initcall+0xae/0x1f0 [ 6.363482] [] ? __might_sleep+0x44/0x80 [ 6.363485] [] do_init_module+0x5a/0x38e [ 6.363489] [] load_module+0x1ded/0x2300 [ 6.363491] [] ? m_show+0x100/0x100 [ 6.363492] [] ? copy_module_from_fd+0xc5/0x120 [ 6.363494] [] SyS_finit_module+0x95/0xc0 [ 6.363496] [] entry_SYSCALL_64_fastpath+0x12/0x71 LKP: HOSTNAME vm-lkp-wsx03-2G-2, MAC , kernel 4.4.0-rc1-00006-g2baed30 1, serial console /dev/ttyS0 [ 6.476101] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:97 [ 6.478575] in_atomic(): 1, irqs_disabled(): 0, pid: 134, name: systemd-udevd [ 6.480112] CPU: 0 PID: 134 Comm: systemd-udevd Tainted: G W 4.4.0-rc1-00006-g2baed30 #1 [ 6.482404] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 6.484632] 0000000000000061 ffff88007f8bb908 ffffffff878a5e4d ffff88005d04e340 [ 6.484633] ffff88007f8bb920 ffffffff876a676d ffffffff87d46380 ffff88007f8bb948 [ 6.484634] ffffffff876a67f4 ffffffff87e51ea0 ffffffff87e6b718 000000000000009c [ 6.484635] Call Trace: [ 6.484641] [] dump_stack+0x4b/0x6e [ 6.484644] [] ___might_sleep+0xcd/0x110 [ 6.484648] [] __might_sleep+0x44/0x80 [ 6.484651] [] mutex_lock+0x1b/0x40 [ 6.484655] [] misc_register+0x2b/0x180 [ 6.484659] [] ? lcd_write_cmd_p8+0x77/0x90 [ 6.484661] [] ? dead_read+0x10/0x10 [ 6.484662] [] panel_attach+0x72d/0xb30 [ 6.484664] [] ? dead_read+0x10/0x10 [ 6.484665] [] driver_check+0x12/0x20 [ 6.484667] [] bus_for_each_drv+0x56/0x90 [ 6.484668] [] attach_driver_chain+0x54/0x60 calling: settle [ 6.484670] [] parport_announce_port+0xeb/0x140 [ 6.484674] [] parport_pc_probe_port+0x729/0xc40 [parport_pc] ipconfig: no devices to configure ipconfig: no devices to configure [ 6.484676] [] ? __dev_printk+0x37/0x80 ipconfig: no devices to configure ipconfig: no devices to configure ipconfig: no devices to configure ipconfig: no devices to configure [ 6.484677] [] ? _dev_info+0x57/0x60 ipconfig: no devices to configure ipconfig: no devices to configure ipconfig: no devices to configure ipconfig: no devices to configure [ 6.484680] [] parport_pc_pnp_probe+0x13e/0x1e0 [parport_pc] /lkp/lkp/src/bin/run-ipconfig: 246: .: Can't open /run/net-eth0.conf [ 6.484683] [] ? parport_pc_pci_probe+0x270/0x270 [parport_pc] [ 6.484686] [] pnp_device_probe+0x5c/0xb0 [ 6.484687] [] driver_probe_device+0x21d/0x490 [ 6.484689] [] __driver_attach+0x7f/0x90 [ 6.484690] [] ? driver_probe_device+0x490/0x490 [ 6.484691] [] bus_for_each_dev+0x5f/0x90 [ 6.484693] [] driver_attach+0x19/0x20 [ 6.484694] [] bus_add_driver+0x1e1/0x280 [ 6.484695] [] driver_register+0x5b/0xd0 [ 6.484697] [] pnp_register_driver+0x1b/0x20 !!! IP-Config: Auto-configuration of network failed !!! [ 6.484700] [] parport_pc_init+0x437/0xf48 [parport_pc] [ 6.484702] [] ? parport_parse_param+0xb8/0xb8 [parport_pc] [ 6.484704] [] do_one_initcall+0xae/0x1f0 [ 6.484705] [] ? __might_sleep+0x44/0x80 [ 6.484707] [] do_init_module+0x5a/0x38e [ 6.484710] [] load_module+0x1ded/0x2300 [ 6.484711] [] ? m_show+0x100/0x100 [ 6.484713] [] ? copy_module_from_fd+0xc5/0x120 [ 6.484714] [] SyS_finit_module+0x95/0xc0 [ 6.484716] [] entry_SYSCALL_64_fastpath+0x12/0x71 [ 6.484750] BUG: scheduling while atomic: systemd-udevd/134/0x00000000 [ 6.484758] Modules linked in: crc32c_intel pcspkr evdev i6300esb ide_cd_mod cdrom intel_agp intel_gtt i2c_piix4 i2c_core virtio_pci virtio virtio_ring agpgart rtc_cmos(+) parport_pc(+) autofs4 [ 6.484760] CPU: 0 PID: 134 Comm: systemd-udevd Tainted: G W 4.4.0-rc1-00006-g2baed30 #1 [ 6.484761] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 6.484762] 0000000000012880 ffff88007f8bb6b8 ffffffff878a5e4d ffff880078612880 [ 6.484763] ffff88007f8bb6c8 ffffffff876a64d6 ffff88007f8bb708 ffffffff87b05f69 [ 6.484764] ffff88005d04e340 ffff88007f8bc000 7fffffffffffffff ffff88005d04e340 [ 6.484765] Call Trace: [ 6.484767] [] dump_stack+0x4b/0x6e [ 6.484768] [] __schedule_bug+0x46/0x60 [ 6.484770] [] __schedule+0x549/0x780 [ 6.484771] [] schedule+0x37/0x80 [ 6.484772] [] schedule_timeout+0x137/0x180 [ 6.484773] [] wait_for_completion+0xb8/0x120 [ 6.484775] [] ? wake_up_q+0x60/0x60 [ 6.484777] [] devtmpfs_create_node+0xf4/0x120 [ 6.484779] [] device_add+0x5c9/0x5e0 [ 6.484781] [] device_create_groups_vargs+0xd6/0xf0 [ 6.484782] [] device_create_with_groups+0x31/0x40 [ 6.484784] [] ? mutex_lock+0x1b/0x40 [ 6.484785] [] misc_register+0xae/0x180 [ 6.484787] [] ? dead_read+0x10/0x10 [ 6.484788] [] panel_attach+0x72d/0xb30 [ 6.484790] [] ? dead_read+0x10/0x10 [ 6.484791] [] driver_check+0x12/0x20 [ 6.484793] [] bus_for_each_drv+0x56/0x90 [ 6.484794] [] attach_driver_chain+0x54/0x60 [ 6.484795] [] parport_announce_port+0xeb/0x140 [ 6.484798] [] parport_pc_probe_port+0x729/0xc40 [parport_pc] [ 6.484800] [] ? __dev_printk+0x37/0x80 [ 6.484801] [] ? _dev_info+0x57/0x60 [ 6.484804] [] parport_pc_pnp_probe+0x13e/0x1e0 [parport_pc] [ 6.484807] [] ? parport_pc_pci_probe+0x270/0x270 [parport_pc] [ 6.484808] [] pnp_device_probe+0x5c/0xb0 [ 6.484810] [] driver_probe_device+0x21d/0x490 [ 6.484811] [] __driver_attach+0x7f/0x90 [ 6.484812] [] ? driver_probe_device+0x490/0x490 [ 6.484814] [] bus_for_each_dev+0x5f/0x90 [ 6.484815] [] driver_attach+0x19/0x20 [ 6.484816] [] bus_add_driver+0x1e1/0x280 [ 6.484817] [] driver_register+0x5b/0xd0 [ 6.484819] [] pnp_register_driver+0x1b/0x20 [ 6.484821] [] parport_pc_init+0x437/0xf48 [parport_pc] [ 6.484823] [] ? parport_parse_param+0xb8/0xb8 [parport_pc] [ 6.484824] [] do_one_initcall+0xae/0x1f0 [ 6.484826] [] ? __might_sleep+0x44/0x80 [ 6.484827] [] do_init_module+0x5a/0x38e [ 6.484829] [] load_module+0x1ded/0x2300 [ 6.484830] [] ? m_show+0x100/0x100 [ 6.484831] [] ? copy_module_from_fd+0xc5/0x120 [ 6.484833] [] SyS_finit_module+0x95/0xc0 [ 6.484835] [] entry_SYSCALL_64_fastpath+0x12/0x71 [ 6.502415] rtc_cmos 00:00: RTC can wake from S4 [ 6.502722] rtc rtc0: alarm rollover: day [ 6.502841] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 6.503016] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram, hpet irqs !!! IP-Config: Auto-configuration of network failed !!! [ 7.087624] advantechwdt: Unexpected close, not stopping watchdog! [ 7.097583] systemd-journald[110]: Received SIGTERM from PID 1 (systemd-shutdow). [ 7.099582] systemd-journald[110]: systemd-journald stopped as pid 110 [ 7.101053] systemd-journald[110]: Assertion 's->event->state != SD_EVENT_FINISHED' failed at ../src/libsystemd/sd-event/sd-event.c:1538, function sd_event_source_set_time(). Ignoring. [ 7.182675] Unregister pv shared memory for cpu 0 [ 7.183875] Unregister pv shared memory for cpu 1 [ 7.185019] BUG: scheduling while atomic: systemd-shutdow/1/0x00000002 [ 7.186359] Modules linked in: crc32c_intel pcspkr evdev i6300esb ide_cd_mod cdrom intel_agp intel_gtt i2c_piix4 i2c_core virtio_pci virtio virtio_ring agpgart rtc_cmos parport_pc autofs4 [ 7.191095] CPU: 1 PID: 1 Comm: systemd-shutdow Tainted: G W 4.4.0-rc1-00006-g2baed30 #1 [ 7.193163] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 7.195158] 0000000000012880 ffff8800760a3ba8 ffffffff878a5e4d ffff880078712880 [ 7.197294] ffff8800760a3bb8 ffffffff876a64d6 ffff8800760a3bf8 ffffffff87b05f69 [ 7.199436] ffff88007609d340 ffff8800760a4000 0000000000000020 0000000000000001 [ 7.201579] Call Trace: [ 7.202432] [] dump_stack+0x4b/0x6e [ 7.203572] [] __schedule_bug+0x46/0x60 [ 7.204762] [] __schedule+0x549/0x780 [ 7.205929] [] schedule+0x37/0x80 [ 7.207050] [] schedule_hrtimeout_range_clock+0x9f/0x100 [ 7.208447] [] ? hrtimer_init+0x10/0x10 [ 7.209624] [] schedule_hrtimeout_range+0xe/0x10 [ 7.210915] [] usleep_range+0x46/0x50 [ 7.212106] [] lcd_write_cmd_p8+0x33/0x90 [ 7.213294] [] lcd_gotoxy+0x4e/0x50 [ 7.214433] [] lcd_clear_fast_p8+0x2a/0x100 [ 7.215645] [] lcd_write_char+0x1b9/0x740 [ 7.216833] [] panel_lcd_print+0x3b/0x70 [ 7.218036] [] panel_notify_sys+0x34/0x60 [ 7.219242] [] notifier_call_chain+0x45/0x70 [ 7.220461] [] __blocking_notifier_call_chain+0x42/0x60 [ 7.221813] [] blocking_notifier_call_chain+0x11/0x20 [ 7.223116] [] kernel_restart_prepare+0x18/0x40 Thanks, Kernel Test Robot