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I am getting a kernel crash related with irq 16, used by SMBus. My system is a Dell Inspiron 7459:
kernel: irq 16: nobody cared (try booting with the "irqpoll" option)
kernel: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.4-1-ARCH #1
kernel: Hardware name: Dell Inc. Inspiron 24-7459/0503P4, BIOS 1.4.1 06/08/2016
kernel: 0000000000000086 c65d176df4753300 ffff880483c03e78 ffffffff812fe480
kernel: ffff8804701ad600 ffff8804701ad6a4 ffff880483c03ea8 ffffffff810dbea5
kernel: ffff8804701ad600 0000000000000000 ffffffff818fc880 0000000000000071
kernel: Call Trace:
kernel: <IRQ> [<ffffffff812fe480>] dump_stack+0x63/0x83
kernel: [<ffffffff810dbea5>] __report_bad_irq+0x35/0xc0
kernel: [<ffffffff810dc224>] note_interrupt+0x234/0x280
kernel: [<ffffffff810d9434>] handle_irq_event_percpu+0x54/0x80
kernel: [<ffffffff810d9499>] handle_irq_event+0x39/0x60
kernel: [<ffffffff810dcbcf>] handle_fasteoi_irq+0x8f/0x160
kernel: [<ffffffff8102feca>] handle_irq+0x1a/0x30
kernel: [<ffffffff815fa55b>] do_IRQ+0x4b/0xd0
kernel: [<ffffffff815f8642>] common_interrupt+0x82/0x82
kernel: <EOI> [<ffffffff814a5194>] ? cpuidle_enter_state+0x134/0x2e0
kernel: [<ffffffff814a516f>] ? cpuidle_enter_state+0x10f/0x2e0
kernel: [<ffffffff814a5377>] cpuidle_enter+0x17/0x20
kernel: [<ffffffff810c095a>] call_cpuidle+0x2a/0x50
kernel: [<ffffffff810c0d65>] cpu_startup_entry+0x2c5/0x380
kernel: [<ffffffff815eadf4>] rest_init+0x84/0x90
kernel: [<ffffffff81922fdd>] start_kernel+0x443/0x464
kernel: [<ffffffff81922120>] ? early_idt_handler_array+0x120/0x120
kernel: [<ffffffff819222d6>] x86_64_start_reservations+0x2a/0x2c
kernel: [<ffffffff81922424>] x86_64_start_kernel+0x14c/0x16f
kernel: handlers:
kernel: [<ffffffffa04d30d0>] i801_isr [i2c_i801]
kernel: Disabling IRQ #1600:1f.4 SMBus: Intel Corporation Sunrise Point-H SMBus (rev 31)
Subsystem: Dell Device 06ef
Flags: medium devsel, IRQ 16
Memory at df42a000 (64-bit, non-prefetchable) [size=256]
I/O ports at f040 [size=32]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801Any suggestions?
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I found new BIOS version, but problem persist:
kernel: irq 16: nobody cared (try booting with the "irqpoll" option)
kernel: CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.8.4-1-ARCH #1
kernel: Hardware name: Dell Inc. Inspiron 24-7459/0503P4, BIOS 1.5.0 07/19/2016
kernel: 0000000000000086 343a14e1179f12ab ffff880483c83e78 ffffffff812fe480
kernel: ffff880470ad8200 ffff880470ad82a4 ffff880483c83ea8 ffffffff810dbea5
kernel: ffff880470ad8200 0000000000000000 ffffffff818fc880 0000000000000071
kernel: Call Trace:
kernel: <IRQ> [<ffffffff812fe480>] dump_stack+0x63/0x83
kernel: [<ffffffff810dbea5>] __report_bad_irq+0x35/0xc0
kernel: [<ffffffff810dc224>] note_interrupt+0x234/0x280
kernel: [<ffffffff810d9434>] handle_irq_event_percpu+0x54/0x80
kernel: [<ffffffff810d9499>] handle_irq_event+0x39/0x60
kernel: [<ffffffff810dcbcf>] handle_fasteoi_irq+0x8f/0x160
kernel: [<ffffffff8102feca>] handle_irq+0x1a/0x30
kernel: [<ffffffff815fa55b>] do_IRQ+0x4b/0xd0
kernel: [<ffffffff815f8642>] common_interrupt+0x82/0x82
kernel: <EOI> [<ffffffff814a5194>] ? cpuidle_enter_state+0x134/0x2e0
kernel: [<ffffffff814a5377>] cpuidle_enter+0x17/0x20
kernel: [<ffffffff810c095a>] call_cpuidle+0x2a/0x50
kernel: [<ffffffff810c0d65>] cpu_startup_entry+0x2c5/0x380
kernel: [<ffffffff81050e98>] start_secondary+0x158/0x1a0
kernel: handlers:
kernel: [<ffffffffa04660d0>] i801_isr [i2c_i801]
kernel: Disabling IRQ #16I still need some suggestion. Thanks.
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Booting with the "irqpoll" option:
[ 17.897949] hpet1: lost 5729 rtc interrupts
[ 19.479746] hpet1: lost 5730 rtc interrupts
[ 21.164875] hpet1: lost 5729 rtc interrupts
[ 22.127831] hpet1: lost 5729 rtc interrupts
[ 22.954690] hpet1: lost 5728 rtc interrupts
[ 23.836104] hpet1: lost 5729 rtc interrupts
[ 24.560416] hpet1: lost 5728 rtc interrupts
[ 25.249524] hpet1: lost 5729 rtc interrupts
[ 25.887330] hpet1: lost 5729 rtc interrupts
[ 26.634886] hpet1: lost 5729 rtc interrupts
[ 27.344409] hpet1: lost 5729 rtc interrupts
[ 27.993798] hpet1: lost 5728 rtc interrupts
[ 28.667757] hpet1: lost 5729 rtc interrupts
[ 29.281103] hpet1: lost 5728 rtc interrupts
[ 29.912825] hpet1: lost 5728 rtc interrupts
[ 30.520740] hpet1: lost 5728 rtc interrupts
[ 31.121289] hpet1: lost 5728 rtc interrupts
[ 31.737737] hpet1: lost 5729 rtc interrupts
[ 32.341443] hpet1: lost 5729 rtc interrupts
[ 32.942314] hpet1: lost 5728 rtc interrupts
[ 33.569425] hpet1: lost 5729 rtc interrupts
[ 34.199586] hpet1: lost 5728 rtc interrupts
[ 34.799938] hpet1: lost 5728 rtc interrupts
[ 35.408822] hpet1: lost 5728 rtc interrupts
[ 36.039793] hpet1: lost 5728 rtc interrupts
[ 36.662082] hpet1: lost 5728 rtc interrupts
[ 37.273069] hpet1: lost 5728 rtc interrupts
[ 37.911827] hpet1: lost 5729 rtc interrupts
[ 38.564230] hpet1: lost 5729 rtc interrupts
[ 39.169362] hpet1: lost 5729 rtc interrupts
[ 39.803951] hpet1: lost 5729 rtc interrupts
[ 40.426307] hpet1: lost 5729 rtc interrupts
[ 41.027360] hpet1: lost 5728 rtc interrupts
[ 41.655407] hpet1: lost 5729 rtc interrupts
[ 42.373437] hpet1: lost 5728 rtc interrupts
[ 43.050697] hpet1: lost 5729 rtc interrupts
[ 43.654115] hpet1: lost 5729 rtc interrupts
[ 44.810239] hpet1: lost 5729 rtc interrupts
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Do you use this SMBus driver for anything? What if you blacklist i2c_i801?
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I don't know really if the module is used for something or not. If I blacklist i2c-i801, the error don't show and for now all seems work... I will continue checking if really all is working.
Last edited by opotonil (2017-10-15 11:28:04)
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The main use of SMBus on x86 systems is for BIOS to detect installed RAM. Less commonly it may contain some sensors, voltage regulators, clock generators - also normally only accessed by BIOS. I'm not aware of any use for it in Linux, besides overclockers messing with this stuff.
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I searched more information about i2c-i801 and found this:
https://www.kernel.org/doc/Documentatio … s/i2c-i801
Now with (0x10 don't use interrupts):
# cat /etc/modprobe.d/i2c-i801.conf
options i2c-i801 disable_features=0x10The error don't show and the module is loaded:
# lsmod | grep i2c_i801
i2c_i801 24576 0And used:
00:1f.4 SMBus: Intel Corporation Sunrise Point-H SMBus (rev 31)
Subsystem: Dell Sunrise Point-H SMBus
Flags: medium devsel, IRQ 16
Memory at df42a000 (64-bit, non-prefetchable) [size=256]
I/O ports at f040 [size=32]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801Thanks you @mich41
Last edited by opotonil (2017-10-15 11:27:35)
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