[Qemu-devel] [Bug 1795148] Re: address_space_stw_le_cached: Assertion `addr < cache->len && 2 <= cache ->len - addr' failed

[Peter Maydell]

I suspect this is a known bug, fixed in master in commit db812c4073c77.
You could test that by cherry-picking it to 3.0 or just testing against
master.

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https://bugs.launchpad.net/bugs/1795148

Title:
  address_space_stw_le_cached: Assertion `addr < cache->len && 2 <=
  cache ->len - addr' failed

Status in QEMU:
  New

Bug description:
  When running OpenBSD-current as a guest, the following assertion is
  hit after a few seconds, resulting in the virtual machine to crash:

  ```
  qemu-system-x86_64: 
/build/qemu/src/qemu-3.0.0/include/exec/memory_ldst_cached.inc.h:85: 
address_space_stw_le_cached: Assertion `addr < cache->len && 2 <= cache->len - 
addr' failed.
  ```

  Host is Arch Linux stable, running on x86_64.

  Qemu version is 3.0.0, installed via the standard Arch Linux package.

  Version 2.12.1 didn't exhibit this behavior.

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