Assertion failed: ((size_t)pread_ret == size), function __disk_read, file disk.c, line 110.

[SeanHayes]

"sudo ext4fuse /dev/disk2s1 ~/tmp/MY_EXT_PARTITION -o allow_other,defer_permissions" used to work for me on earlier versions of FUSE and OSX.

$ sudo ext4fuse /dev/disk2s1 ~/tmp/MY_EXT_PARTITION -o allow_other,defer_permissions,daemon_timeout=3600,debug
FUSE library version: 2.9.7
nullpath_ok: 0
nopath: 0
utime_omit_ok: 0
unique: 2, opcode: INIT (26), nodeid: 0, insize: 56, pid: 2918
INIT: 7.19
flags=0xf8000008
max_readahead=0x00100000
INIT: 7.19
flags=0x00000010
max_readahead=0x00100000
max_write=0x02000000
max_background=0
congestion_threshold=0
unique: 2, success, outsize: 40
unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 175
getattr /
unique: 3, opcode: STATFS (17), nodeid: 1, insize: 40, pid: 0
statfs /
unique: 3, success, outsize: 96

Assertion failed: ((size_t)pread_ret == size), function __disk_read, file disk.c, line 110.
Abort trap: 6

I added the debug flag to see what was going wrong. Without it I got this error:

$ ls -al ~/tmp/MY_EXT_PARTITION/
ls: : Device not configured

[iMonZ]

Same error!

[markzporter]

Same here