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Tom’s Hardware
Tom’s Hardware
Technology
Hassam Nasir

Massive VRAM pools on AMD Instinct accelerators drown Linux's hibernation process — 1.5 TB of memory per server creates headaches

AMD AI servers.

In today’s Linux patch series, AMD engineer Sameul Zhang highlighted an unusual issue where Linux servers are failing to hibernate due to excessive VRAM and a high number of AMD Instinct accelerators per system. For context, Instinct accelerators are powerful AMD GPUs designed specifically for data centers handling AI, high-performance computing, scientific workloads, and other demanding tasks.

Part of what makes these GPUs so powerful is that they come with massive amounts of VRAM, like 192GB in some, which might sound huge to gamers but is fairly standard for modern data center chips. In fact, this AMD AI Linux-powered server is equipped with a total of eight Instinct cards that bring the total VRAM to around 1.5TB. However, while more VRAM is generally a good thing, in cases like this, it can lead to unexpected issues.

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