This is normal for the first few cycles; it takes several cycles for the
reference clock to “sync in”. It should eventually start working.
This is why there’s a patch in the unofficial patchset to suppress the fprintf
error when using the usermode library.
From: Mohsen Alizadeh Noghani
Sent: Friday, 26 October 2018 19:16
To: etherlab-users@etherlab.org
Subject: [etherlab-users] Failed to get reference clock time: Input/output error
Hello everyone.
When I call ecrt_master_reference_clock_time -right after
ecrt_master_sync_slave_clocks()- in my userspace code, I get the following
error every cycle.
Failed to get reference clock time: Input/output error.
I'm using stable-1.5 branch.
Has anyone been able to resolve this issue?
Best,
Mohsen
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