id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
18140	Bug loading Chimera session	m3kelly@…	Greg Couch	"{{{
Hello, I would like to report a bug with ChimeraX.

I saved the attached file using an installation of ChimeraX version 1.10rc202505100155 (2025-05-10) on Windows 11 to my google drive folder.

Using a different Windows 11 machine with the same version of ChimeraX, I attempted to load it with the following error:

| Unable to restore session, resetting.

Traceback (most recent call last):
File ""C:\Program Files\ChimeraX 1.10rc202505100155\bin\Lib\site-packages\chimerax\core\session.py"", line 845, in restore
data = fdeserialize(stream)
^^^^^^^^^^^^^^^^^^^^
File ""C:\Program Files\ChimeraX 1.10rc202505100155\bin\Lib\site-packages\chimerax\core\serialize.py"", line 81, in msgpack_deserialize
return next(stream)
^^^^^^^^^^^^
File ""msgpack\\_unpacker.pyx"", line 540, in msgpack._cmsgpack.Unpacker.__next__
File ""msgpack\\_unpacker.pyx"", line 474, in msgpack._cmsgpack.Unpacker._unpack
File ""msgpack\\_unpacker.pyx"", line 448, in msgpack._cmsgpack.Unpacker.read_from_file
File ""C:\Program Files\ChimeraX 1.10rc202505100155\bin\Lib\site-packages\lz4\frame\__init__.py"", line 668, in read
return self._buffer.read(size)
^^^^^^^^^^^^^^^^^^^^^^^
File ""C:\Program Files\ChimeraX 1.10rc202505100155\bin\Lib\_compression.py"", line 68, in readinto
data = self.read(len(byte_view))
^^^^^^^^^^^^^^^^^^^^^^^^^
File ""C:\Program Files\ChimeraX 1.10rc202505100155\bin\Lib\_compression.py"", line 91, in read
data = self._decompressor.decompress(rawblock, size)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File ""C:\Program Files\ChimeraX 1.10rc202505100155\bin\Lib\site-packages\lz4\frame\__init__.py"", line 414, in decompress
decompressed, bytes_read, eoframe = decompress_chunk(
^^^^^^^^^^^^^^^^^
RuntimeError: LZ4F_decompress failed with code: ERROR_frameType_unknown

Pleas advise on how I can use this file on multiple machines.


Marcus (Mark) Kelly, PhD.
Trey Ideker Lab
I-BRF (formerly BRFII) 3A16
m3kelly@ucsd.edu
206 280 6696
}}}

[attachment:""p53_chimera_sesh.cxs""]
"	defect	assigned	normal		Sessions				chimera-programmers				all	ChimeraX