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Blog posts tagged "Bug-fix support"

Tracing a memory leak bug in PID 1 and contributing an upstream fix: a Linux support story

How Canonical Support helped a global retail organization trace the cause for an unusual memory leak originating in PID 1. By investigating the issue across three separate system layers our team was able to identify the source and fast-track a patch.

How Canonical Support solves hard Linux performance bugs – even in 12-year old code

A 12-year-old bug in libnss-db caused getent enumeration to slow to a crawl – and showed how far expert support can go when a customer brings the right evidence and the right question.

When an upstream change broke smartcard FIPS authentication – and how we fixed it

This is the story of how Canonical’s Support team provided bug-fix support: we tracked down an upstream change in OpenSC that inadvertently broke FIPS compatibility, coordinated with upstream developers across distributions, and delivered both a hotfix and a proper universal solution.