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qemu-system-arch64: Addressing limited to 36 bits #4111

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EricJayHartman opened this issue May 26, 2025 · 1 comment
Open

qemu-system-arch64: Addressing limited to 36 bits #4111

EricJayHartman opened this issue May 26, 2025 · 1 comment
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bug medium Medium priority. Combine with "low" or "high" to signal intermediate priority.

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@EricJayHartman
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Describe the bug
I tried to create an Ubuntu VM (Ubuntu 24.10) on MacOS (macOS Sequoia 15.5) on a 2025 Mac Studio (Apple M4 Max) with Multipass version 1.15.1 and the QEMU driver and received an error of "qemu-system-arch64: Addressing limited to 36 bits, but memory exceeds it by 35433480192 bytes" when trying to provision 96 GB of Memory.

To Reproduce
How, and what happened?

  1. Install Multipass version 1.15.1+mac
  2. Create an Ubuntu 24.04 LTS or Ubuntu 24.10 VM with 96GiB Memory

Expected behavior
Error message of "qemu-system-arch64: Addressing limited to 36 bits, but memory exceeds it by 35433480192 bytes"

Logs

Additional info

  • OS: macOS Sequoia 15.5
  • CPU architecture or model: Apple M4 Max
  • multipass version : 1.15.1+mac
  • multipass info: State == Unknown (vm fails to be created)
  • multipass get local.driver: qemu

Additional context
I found a similar bug that was closed as completed in 2023 (#3043); but I'm having the same issue on all the latest versions.
@EricJayHartman EricJayHartman added bug needs triage Issue needs to be triaged labels May 26, 2025
@sharder996
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Looks like we need to update QEMU versions again :)

https://wiki.qemu.org/ChangeLog/9.2

@sharder996 sharder996 removed the needs triage Issue needs to be triaged label May 26, 2025
@ricab ricab added the medium Medium priority. Combine with "low" or "high" to signal intermediate priority. label May 26, 2025
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@ricab @EricJayHartman @sharder996