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Even when dev->dev_lost was set, the async read loop would not\u000a properly exit, and applications like rtl_fm had no way to detect\u000a the device loss.\u000a\u000aThis patch:\u000a- Removes the problematic rtlsdr_cancel_async() call from the callback\u000a- Adds proper dev->dev_lost detection in the main event loop to\u000a transition to RTLSDR_CANCELING state\u000a- Returns -1 from rtlsdr_read_async() when device is lost\u000a- Updates rtl_fm to check the return value and terminate gracefully\u000a with an error message\u000a\u000aTested with RTL2832U/FC0012 dongle by deliberately triggering USB\u000aerrors (dongle movement). Applications now terminate cleanly instead\u000aof hanging indefinitely.\u000a\u000aSigned-off-by: Ramon Smits \u000a", "date" : "2026-01-26 23:51:06 +0100", "id" : "65f06585ea46160cd2d7bee8b3f641c14771c2ee", "msg" : "Fix application hang on USB transfer errors", "paths" : [ { "editType" : "edit", "file" : "src/rtl_fm.c" }, { "editType" : "edit", "file" : "src/librtlsdr.c" } ] }, { "_class" : "hudson.plugins.git.GitChangeSet", "affectedPaths" : [ "CMakeLists.txt" ], "commitId" : "5e4d386650c032bdc23bea2c38fa59f51d53014d", "timestamp" : 1769468244000, "author" : { "absoluteUrl" : "https://jenkins.osmocom.org/jenkins/user/steve", "fullName" : "steve" }, "authorEmail" : "steve@steve-m.de", "comment" : "Use CMake ... syntax to get rid of deprecation warnings\u000a", "date" : "2026-01-26 23:57:24 +0100", "id" : "5e4d386650c032bdc23bea2c38fa59f51d53014d", "msg" : "Use CMake ... syntax to get rid of deprecation warnings", "paths" : [ { "editType" : "edit", "file" : "CMakeLists.txt" } ] }, { "_class" : "hudson.plugins.git.GitChangeSet", "affectedPaths" : [ "src/CMakeLists.txt" ], "commitId" : "84195f169f5b4b7dc06a10efb1e210d02b49e51c", "timestamp" : 1771041642000, "author" : { "absoluteUrl" : "https://jenkins.osmocom.org/jenkins/user/joshua.grieve19", "fullName" : "joshua.grieve19" }, "authorEmail" : "joshua.grieve19@gmail.com", "comment" : "Make include relative to project for use with FetchContent\u000a", "date" : "2026-02-13 23:00:42 -0500", "id" : "84195f169f5b4b7dc06a10efb1e210d02b49e51c", "msg" : "Make include relative to project for use with FetchContent", "paths" : [ { "editType" : "edit", "file" : "src/CMakeLists.txt" } ] } ], "kind" : "git" }, "culprits" : [ { "absoluteUrl" : "https://jenkins.osmocom.org/jenkins/user/steve", "fullName" : "steve" }, { "absoluteUrl" : "https://jenkins.osmocom.org/jenkins/user/joshua.grieve19", "fullName" : "joshua.grieve19" } ], "runs" : [ { "number" : 2934, "url" : "https://jenkins.osmocom.org/jenkins/view/OBS/job/master-rtl-sdr/a1=default,a2=default,a3=default,a4=default,label=osmocom-master/2934/" } ] }