Hello Cygwin team,I am reporting a regression regarding the blkid utility from the util-linux package.
Problem DescriptionWhen running blkid in the latest Cygwin environment, the command produces absolutely no output and exits quietly. This happens even when running the terminal as a built-in Administrator account in Windows. However, running blkid --help works as expected.
Version Comparison
* Broken version: util-linux 2.40.2-2 with cygwin1.dll from 2026-01-09.* Working version: util-linux (blkid.exe dated 2024-01-24) with cygwin1.dll dated 2024-02-01.
In the older working environment, blkid successfully prints the list of partitions, UUIDs, and file systems as expected. I have attached my cygcheck.out file generated with cygcheck -s -v -r > cygcheck.out to this email for further diagnostic details.
Best regards, Albert Kalinin
cygcheck.out
Description: Binary data
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