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For the ECP3 cards i2c error ,packet loss solution

TBS690A is a DVB-ASI capture card with 4 channels input, which used to receive DVB transport streams up to 270 Mbps/channel on one card, and the transport streams can be single programs or multi programs. TBS690A is ideal for high-density applications requiring up to four ASI inputs, the input channels can run independently. With minimal power consumption, TBS690A is tailored for industrial applications where reliability is an option.

For the ECP3 cards i2c error ,packet loss solution

Postby steven » Thu May 23, 2019 9:48 am

Hi All

As we received some feedback when use the new TBS ECP3 card sometimes have i2c error or packet loss issue . then please try like this :

1.Set your BIOS PCI-E slot configuration to Gen2

2.set the GRUB like this
/etc/default/grub:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash reboot=efi,pci pci=nomsi,noaer"

3.disable the MSI in open source driver :
linux_media/drivers/media/pci/tbsecp3/tbsecp3-core.c

//static bool enable_msi = true; //annotation this line
thanks
Andreas tips if you compile failded then you can use like this :
static bool enable_msi = false;

module_param(enable_msi, bool, 0444);
MODULE_PARM_DESC(enable_msi, "use an msi interrupt if available");

then compile the driver and install reboot your PC to load the new setting .

test again if you have any more issue please send email to our support@tbsdtv.com or you can leave message here

Thanks

Kind Regards

steven
steven
 
Posts: 2180
Joined: Fri Aug 06, 2010 3:23 pm

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