Description of problem: from XIM specification, the packet syntax for XIM_QUERY_EXTENSION is defined as: XIM_QUERY_EXTENSION_REPLY 2 CARD16 input-method ID 2 n byte length of extensions supported by both the IM library and the IM Server. n LISTofEXT list of extensions supported by both the IM library and the IM Server. also EXT is defined as: EXT 1 CARD8 extension major-opcode 1 CARD8 extension minor-opcode 2 n length of extension name n STRING8 extension name p unused, p = Pad(n) This is a dump code what gcin sent back to the client: D:[transport/summary] 0x6a0003d <- opcode: XIM_QUERY_EXTENSION_REPLY(major: 41, minor 0) length: 36 D:[transport/dump] 0 1 2 3 4 5 6 7 8 9 A B C D E F 0123456789ABCDEF D:[transport/dump] --+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--=---------------- D:[transport/dump] 29:00:08:00:03:00:1c:00:80:00:30:00:16:00:58:49 ).........0...XI D:[transport/dump] 4d:5f:45:58:54:5f:53:45:54:5f:45:56:45:4e:54:5f M_EXT_SET_EVENT_ D:[transport/dump] 4d:41:53:4b MASK Apparently it doesn't follow the above syntax. Version-Release number of selected component (if applicable): gcin-1.4.2-2.fc9.x86_64 How reproducible: always Steps to Reproduce: 1.run X application with XMODIFIERS=@im=gcin 2.monitor the packets on XIM protocol. 3. Actual results: the client got the wrong packets and can't use the extensions then. Expected results: should receives the proper reply. Additional info:
requested by Jens Petersen (#27995)
For reference, see Bug#457566
Candyz, if you could pass this info to upstream that would be helpful.
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After looking at the diffs among the released archives, this issue seems to be fixed in 1.4.3. so closing this since we've shipped 1.4.5 in F-10 updates.