Eric Sandeen wrote: > I noticed when filling a 1T filesystem with 4 threads using the > fs_mark benchmark: > > fs_mark -d /mnt/test -D 256 -n 100000 -t 4 -s 20480 -F -S 0 > > that I occasionally got checksum mismatch errors: > > EXT4-fs error (device sdb): ext4_init_inode_bitmap: Checksum bad for group 6935 > > etc. I'd reliably get 4-5 of them during the run. > > It appears that the problem is likely a race to init the bg's > when the uninit_bg feature is enabled. > > With the patch below I was able to complete 2 runs with no errors > or warnings. However, I did hit a hang on one run that I can't yet > explain, so maybe this bears more inspection or testing. Crud hit it again, looks like it's my fault. So hold off on this one :) -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html