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SeongLim's avatar
SeongLim
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8 months ago

[USB-Blaster] Detected as "USB-Blaster Variant" on SLES12 – Causing Detection Issues

Hi, I'm facing an issue where the USB-Blaster is automatically detected as USB-Blaster [Variant] in a Linux environment (SLES12), instead of the standard USB-Blaster. Because of this, my system is ...
Programmable Logic Device
Milan_S's avatar
Milan_S
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2 months ago

My actual workaroud about the issue is to restart jtagserver. In CMD as admin:

net stop jtagserver

net start jtagserver

Milan_S's avatar
Milan_S
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2 months ago

Taking back, today jtagserver restart do not help.  Command:

C:\altera_pro\25.1.1\quartus\bin64>jtagconfig returns:

1) USB-Blaster variant [USB-1]
  Unable to lock chain - Hardware not attached
2) Remote server loc: Unable to connect

In this wrong state, the Device Manager still shows on the oem190.inf so the driver is still the same...