Переодически начинается нечто такое: http://joxi.ru/J2bXNkPIXaOX8r И оно все чаще и чаще случается. Лаги с отрисовкой страшные. Тыкакаешь по вкладке - он не переключается.
в dmesg:
# dmesg | tail
[ 63.208497] logitech-hidpp-device 0003:046D:101A.0004: HID++ 1.0 device connected.
[ 117.868132] perf: interrupt took too long (2504 > 2500), lowering kernel.perf_event_max_sample_rate to 79000
[ 164.862038] perf: interrupt took too long (3136 > 3130), lowering kernel.perf_event_max_sample_rate to 63000
[ 368.986524] perf: interrupt took too long (3945 > 3920), lowering kernel.perf_event_max_sample_rate to 50000
[ 771.767200] perf: interrupt took too long (4936 > 4931), lowering kernel.perf_event_max_sample_rate to 40000
[ 776.436798] TCP: request_sock_TCP: Possible SYN flooding on port 45623. Sending cookies. Check SNMP counters.
[ 1283.122732] TCP: request_sock_TCP: Possible SYN flooding on port 50923. Sending cookies. Check SNMP counters.
[ 1572.903676] perf: interrupt took too long (5307 > 2500), lowering kernel.perf_event_max_sample_rate to 37000
[ 1581.473458] perf: interrupt took too long (5302 > 2500), lowering kernel.perf_event_max_sample_rate to 37000
[ 1698.716491] perf: interrupt took too long (5505 > 2500), lowering kernel.perf_event_max_sample_rate to 36000Если сделать # echo 100000 > /proc/sys/kernel/perf_event_max_sample_rate - держится пару секунд, потом опять скидывается до 3x000.
# uname -a
Linux alex-laptop 4.13.0-16-lowlatency #19~16.04.3-Ubuntu SMP PREEMPT Mon Oct 16 20:09:58 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
# lspci
00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 09)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 09)
00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03)
00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03)
00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03)
00:1c.3 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 (rev 03)
00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 4 port SATA Controller [AHCI mode] (rev 03)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03)
02:00.0 Network controller: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) (rev 01)
Чипсет GL40, камень Core2Duo T8600, 8Gb DDR3.
