On
16/05/17 06:49, Neel Pandeya wrote:
Hello
Cristian:
If you
use Ubuntu 16.04.2, the kernel is 4.8, which
should be fine.
First at all, thank you very much for answering.
My kernel version is: 4.8.0-49-generic
Ubuntu Release: 16.04.2 LTS
The
specific USB controller is also very important.
The Intel controllers work best. Which
controller do you have in your system? (run
"lspci")
It is the information dropped by "lspci"
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th
Gen Core Processor DRAM Controller (rev 06)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen
Core Processor PCI Express x16 Controller (rev 06)
00:02.0 VGA compatible controller: Intel Corporation 4th Gen
Core Processor Integrated Graphics Controller (rev 06)
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th
Gen Core Processor HD Audio Controller (rev 06)
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series
Chipset Family USB xHCI (rev 05)
00:16.0 Communication controller: Intel Corporation 8
Series/C220 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series
Chipset Family USB EHCI #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series
Chipset High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series
Chipset Family PCI Express Root Port #1 (rev d5)
00:1c.1 PCI bridge: Intel Corporation 8 Series/C220 Series
Chipset Family PCI Express Root Port #2 (rev d5)
00:1c.2 PCI bridge: Intel Corporation 8 Series/C220 Series
Chipset Family PCI Express Root Port #3 (rev d5)
00:1c.3 PCI bridge: Intel Corporation 8 Series/C220 Series
Chipset Family PCI Express Root Port #4 (rev d5)
00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series
Chipset Family USB EHCI #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation HM86 Express LPC
Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 8 Series/C220
Series Chipset Family 6-port SATA Controller 1 [AHCI mode]
(rev 05)
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset
Family SMBus Controller (rev 05)
01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX
850M] (rev a2)
04:00.0 Network controller: Qualcomm Atheros AR9485 Wireless
Network Adapter (rev 01)
05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev
0c)
What
flow control errors are you seeing? Are there
any overruns ("O") or underruns ("U") printed on
the console?
There are overruns "000000000000000"
No, i haven't. But i did modified the num_recv_frames to
1024. By doing it, I don't lose samples, but i'm not pretty
sure about i'm in fact reciving all. Do you think it is a
better solution that trying to install other USB3 controller?
Thanks a lot for your time to read my message.
Best regards,
Cristian