netbsd-10 linux emulation issue

Hi,

I have been running the IBM Spectrum Protect (AKA Tivoli Storage 
Manager, AKA2 ADSM) backup client* in linux emulation on NetBSD for 
almost twenty years. It has generally been a very well-behaved piece of 
software.

On netbsd-10 now, the client will establish a session, transfer a few 
files (or at least it says so), then hang until killed.

Besides gettimeofday calls, the ktrace has a lot of

  17467  17467 dsmc     RET   futex -1 errno -110 Operation timed out

Is there anything substantial that has changed in the linux emul that 
could have caused the breakage?

Cheerio,
Hauke


* pkgsrc sysutils/tsm8

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