Hi Greg,
The following list of LTP syscalls failure noticed on qemu-arm64 with stable-rc 6.16.1-rc1 with CONFIG_ARM64_64K_PAGES=y build configuration.
Most failures report ENOSPC (28) or mkswap errors, which may be related to disk space handling in the 64K page configuration on qemu-arm64.
The issue is reproducible on multiple runs.
qemu-arm64, ltp-syscalls - 64K page size test failures list,
- fallocate04
- fallocate05
- fdatasync03
- fsync01
- fsync04
- ioctl_fiemap01
- swapoff01
- swapoff02
- swapon01
- swapon02
- swapon03
- sync01
- sync_file_range02
- syncfs01
Reproducibility:
- 64K config above listed test fails
- 4K config above listed test pass.
Regression Analysis:
- New regression? yes
Regression from 6.16? Or just from 6.15.y?
Based on available data, the issue is not present in v6.16 or v6.15.
Anders, bisected this regression and found,
ext4: correct the reserved credits for extent conversion [ Upstream commit 95ad8ee45cdbc321c135a2db895d48b374ef0f87 ]
Report lore link,
https://lore.kernel.org/stable/CA+G9fYtBnCSa2zkaCn-oZKYz8jz5FZj0HS7DjSfMeamq...
-- Linaro LKFT https://lkft.linaro.org