chkqnx6fs must be run on a stable filesystem, so you need to either:
1. disable snapshots. On a mounted file system with the chattr utility.
# chattr -snapshot <mountpoint>
2. do not mount the filesystem
3. mount the filesystem are read only
NOTE:
This entry has been validated against the SDP version listed above. Use
caution when considering this advice for any other SDP version. For
supported releases, please reach out to QNX Technical Support if you have any questions/concerns.