i have a Problem with Interups and MosChip Semiconductor Technology Ltd. 4-Port PCIe Serial Adapter.
I have a Barcode Scanner on the additional tty ports. 5 Minutes it works well. But then the kernel deactivates the serial port.
Has anybody a idea? The irqpoll is enabled.
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[ 1409.980762] irq 19: nobody cared (try booting with the "irqpoll" option)
[ 1409.980766] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 3.10.0-693.2.2.el7.x86_64 #1
[ 1409.980767] Hardware name: Hewlett-Packard HP ProDesk 600 G1 SFF/18E7, BIOS L01 v02.71 05/09/2017
[ 1409.980768] ffff8801197b8c00 bacd6fefd80f6792 ffff88011fb03e58 ffffffff816a3db1
[ 1409.980770] ffff88011fb03e80 ffffffff81132ff2 ffff8801197b8c00 0000000000000013
[ 1409.980771] 0000000000000000 ffff88011fb03ec0 ffffffff81133412 000000001fb03ed4
[ 1409.980773] Call Trace:
[ 1409.980774] <IRQ> [<ffffffff816a3db1>] dump_stack+0x19/0x1b
[ 1409.980781] [<ffffffff81132ff2>] __report_bad_irq+0x32/0xd0
[ 1409.980783] [<ffffffff81133412>] note_interrupt+0x132/0x1f0
[ 1409.980784] [<ffffffff81130c05>] handle_irq_event_percpu+0x55/0x80
[ 1409.980786] [<ffffffff81130c6c>] handle_irq_event+0x3c/0x60
[ 1409.980787] [<ffffffff81134149>] handle_fasteoi_irq+0x59/0x100
[ 1409.980789] [<ffffffff8102d2c8>] handle_irq+0xb8/0x150
[ 1409.980792] [<ffffffff810f3ddc>] ? tick_check_idle+0x8c/0xd0
[ 1409.980795] [<ffffffff816b057a>] ? atomic_notifier_call_chain+0x1a/0x20
[ 1409.980797] [<ffffffff816b762d>] do_IRQ+0x4d/0xe0
[ 1409.980798] [<ffffffff816ac22d>] common_interrupt+0x6d/0x6d
[ 1409.980799] <EOI> [<ffffffff81527c12>] ? cpuidle_enter_state+0x52/0xc0
[ 1409.980803] [<ffffffff81527d58>] cpuidle_idle_call+0xd8/0x210
[ 1409.980804] [<ffffffff81034fee>] arch_cpu_idle+0xe/0x30
[ 1409.980806] [<ffffffff810e7bca>] cpu_startup_entry+0x14a/0x1c0
[ 1409.980808] [<ffffffff81051af6>] start_secondary+0x1b6/0x230
[ 1409.980809] handlers:
[ 1409.980812] [<ffffffff81416520>] serial8250_interrupt
[ 1409.980813] Disabling IRQ #19
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[ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.10.0-693.2.2.el7.x86_64 root=/dev/mapper/centos-root ro crashkernel=auto rd.lvm.lv=centos/root rd.lvm.lv=centos/swap rd.lvm.lv=centos/usr biosdevname=0 net.ifnames=0 8250.nr_uarts=6 irqpoll pci=routeirq LANG=en_US.UTF-8
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02:00.0 Serial controller: MosChip Semiconductor Technology Ltd. 4-Port PCIe Serial Adapter (prog-if 02 [16550])
Subsystem: Device a000:1000
Flags: fast devsel, IRQ 19
I/O ports at e030 [disabled] [size=8]
[virtual] Memory at f7c07000 (32-bit, non-prefetchable) [size=4K]
[virtual] Memory at f7c06000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+
Capabilities: [78] Power Management version 3
Capabilities: [80] Express Legacy Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [800] Advanced Error Reporting
Kernel driver in use: serial
02:00.1 Serial controller: MosChip Semiconductor Technology Ltd. 4-Port PCIe Serial Adapter (prog-if 02 [16550])
Subsystem: Device a000:1000
Flags: fast devsel, IRQ 16
I/O ports at e020 [disabled] [size=8]
[virtual] Memory at f7c05000 (32-bit, non-prefetchable) [size=4K]
[virtual] Memory at f7c04000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+
Capabilities: [78] Power Management version 3
Capabilities: [80] Express Legacy Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Kernel driver in use: serial
02:00.2 Serial controller: MosChip Semiconductor Technology Ltd. 4-Port PCIe Serial Adapter (prog-if 02 [16550])
Subsystem: Device a000:1000
Flags: fast devsel, IRQ 17
I/O ports at e010 [disabled] [size=8]
[virtual] Memory at f7c03000 (32-bit, non-prefetchable) [size=4K]
[virtual] Memory at f7c02000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+
Capabilities: [78] Power Management version 3
Capabilities: [80] Express Legacy Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Kernel driver in use: serial
02:00.3 Serial controller: MosChip Semiconductor Technology Ltd. 4-Port PCIe Serial Adapter (prog-if 02 [16550])
Subsystem: Device a000:1000
Flags: fast devsel, IRQ 18
I/O ports at e000 [disabled] [size=8]
[virtual] Memory at f7c01000 (32-bit, non-prefetchable) [size=4K]
[virtual] Memory at f7c00000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+
Capabilities: [78] Power Management version 3
Capabilities: [80] Express Legacy Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Kernel driver in use: serial
Code: Select all
[ 1409.980762] irq 19: nobody cared (try booting with the "irqpoll" option)
[ 1409.980766] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 3.10.0-693.2.2.el7.x86_64 #1
[ 1409.980767] Hardware name: Hewlett-Packard HP ProDesk 600 G1 SFF/18E7, BIOS L01 v02.71 05/09/2017
[ 1409.980768] ffff8801197b8c00 bacd6fefd80f6792 ffff88011fb03e58 ffffffff816a3db1
[ 1409.980770] ffff88011fb03e80 ffffffff81132ff2 ffff8801197b8c00 0000000000000013
[ 1409.980771] 0000000000000000 ffff88011fb03ec0 ffffffff81133412 000000001fb03ed4
[ 1409.980773] Call Trace:
[ 1409.980774] <IRQ> [<ffffffff816a3db1>] dump_stack+0x19/0x1b
[ 1409.980781] [<ffffffff81132ff2>] __report_bad_irq+0x32/0xd0
[ 1409.980783] [<ffffffff81133412>] note_interrupt+0x132/0x1f0
[ 1409.980784] [<ffffffff81130c05>] handle_irq_event_percpu+0x55/0x80
[ 1409.980786] [<ffffffff81130c6c>] handle_irq_event+0x3c/0x60
[ 1409.980787] [<ffffffff81134149>] handle_fasteoi_irq+0x59/0x100
[ 1409.980789] [<ffffffff8102d2c8>] handle_irq+0xb8/0x150
[ 1409.980792] [<ffffffff810f3ddc>] ? tick_check_idle+0x8c/0xd0
[ 1409.980795] [<ffffffff816b057a>] ? atomic_notifier_call_chain+0x1a/0x20
[ 1409.980797] [<ffffffff816b762d>] do_IRQ+0x4d/0xe0
[ 1409.980798] [<ffffffff816ac22d>] common_interrupt+0x6d/0x6d
[ 1409.980799] <EOI> [<ffffffff81527c12>] ? cpuidle_enter_state+0x52/0xc0
[ 1409.980803] [<ffffffff81527d58>] cpuidle_idle_call+0xd8/0x210
[ 1409.980804] [<ffffffff81034fee>] arch_cpu_idle+0xe/0x30
[ 1409.980806] [<ffffffff810e7bca>] cpu_startup_entry+0x14a/0x1c0
[ 1409.980808] [<ffffffff81051af6>] start_secondary+0x1b6/0x230
[ 1409.980809] handlers:
[ 1409.980812] [<ffffffff81416520>] serial8250_interrupt
[ 1409.980813] Disabling IRQ #19