kmx.io Blog

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- 2026-10-11 12:07:06 Viewed 56 times
  Found a bug in OpenBSD ic/nvme
- Confirmed and fixed: NVMe invoked a completion callback after its scsi_xfer had been freed and poisoned with 0xdeadbeef.
  
  Changes:
  - Track whether each NVMe CCB is active.
  - Retire it when the first completion is consumed.
  - Ignore...
- 2026-10-06 16:38:55 Viewed 75 times
  IABSD: new features for msdos (FAT) filesystems
- New features for msdos (FAT16/FAT32) filesystems are coming in for the upcoming first release of IABSD-0.1 :
  - Reduced time for newfs_msdos by 3600 times by batching writes and using recommended default values for block size and cluster s...
- 2026-10-03 11:56:06 Viewed 64 times
  IABSD/OpenBSD ext4fs has slow journal !
- Yesterday we managed to copy a few gigs of UNIX files to ext4fs on IABSD with journaling enabled.
  
  Crashing the system is not necessary to test as we managed to write BSD regress test suite for ext4fs using VMM/VMD. It is a slow process b...
- 2026-09-25 08:45:51 Viewed 86 times
  Fixed bugs in ext4fs
- We added a regression test suite for ext4fs and it actually caught production bugs.
  
  Bugs fixed today in ext4fs :
  - Out-of-range physical extent blocks were accepted instead of returning an error.
  - Extent headers were insufficientl...
- 2026-09-20 13:21:50 Viewed 129 times
  New reddit community : r/IABSD
- Reddit has a new subreddit for IABSD.
  
  https://www.reddit.com/r/IABSD/

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Found a bug in OpenBSD ic/nvme