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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap: break-word;-webkit-nbsp-mode: space;line-break:after-white-space'><div class=WordSection1><p class=MsoNormal>FYI - the color you picked for this makes it unreadable against a white background. I had to convert it to plain text to read it.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The error message “Lost debug server connection” occurs if the platform isn’t connected and it is not a host platform.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>What do you get if you type “platform status” after “file Test”?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Is the remote-built executable available on your Mac? lldb will need it to be able to get symbols and debug info.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Ted<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>--<o:p></o:p></p><p class=MsoNormal>Qualcomm Innovation Center, Inc.<o:p></o:p></p><p class=MsoNormal>The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> lldb-dev [mailto:lldb-dev-bounces@lists.llvm.org] <b>On Behalf Of </b>NeckTwi via lldb-dev<br><b>Sent:</b> Monday, July 09, 2018 1:27 PM<br><b>To:</b> lldb-dev@lists.llvm.org<br><b>Subject:</b> [lldb-dev] error: process launch failed: Lost debug server connection<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have started lldb-server on remote linux in the directory where my executable need to be debugged reside.<o:p></o:p></p><div><p class=MsoNormal>From my Mac I started lldb, <o:p></o:p></p></div><div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'>(lldb) platform select remote-linux<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'> Platform: remote-linux<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'> Connected: no<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'>(lldb) platform connect <a href="connect://pi.local:9091">connect://pi.local:9091</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'> Platform: remote-linux<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'>OS Version: 4.9.78 (4.9.78-v7+)<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'> Kernel: #1084 SMP Thu Jan 25 18:05:49 GMT 2018<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'> Hostname: pi<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'> Connected: yes<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'>WorkingDir: /Users/necktwi/Workspace/RemoteDebugTest/build<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'>(lldb) file Test<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'>Current executable set to ’Test' (arm).<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif'>(lldb) <span style='color:#F2F2F2'>run</span><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Monaco",serif;color:#F2F2F2'>error: process launch failed: Lost debug server connection<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Why the process launch failing? The executable `Test` takes parameters `-s normal`. How to feed them in? Did the process failed because of not feeding its arguments?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="https://u7535577.ct.sendgrid.net/wf/click?upn=S8VPHvg5-2FzxqlLfWXPq42joHRevhhtk-2F7AY-2BEiccsimjZUugcpCB66JpJVXGiuJP_WMme76WnOQDuJvvro7-2FTNuvmvuA2PaJWS0FeALMc2HfRwekG2ZIQ8RWNZqpS5pNm3zr3KpG64KxYaYNpxNAsXcvN18I9mAz-2FHNm4s7diR-2FuSy6IXrEgk-2BY2n97MBEYS5iwkBIuCbKexARr-2B0xFagIjBzqGTtpVhCvyjyYqWd1dIOy7kIeyDUoBgnqzW9aw6Hw5oCr97h2unnh6TX8YfTyLjS8Z7i0RQXWDc49b1pNb0-3D">https://lldb.llvm.org/remote.html</a> explains how to debug a cross-built local executable on remote platform. But I am trying to debug the executable which was built on the remote.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thank you.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>… neckTwi<o:p></o:p></p></div></div><p class=MsoNormal><span style='border:solid windowtext 1.0pt;padding:0in'><img border=0 width=1 height=1 style='width:.0104in;height:.0104in' id="_x0000_i1025" src="cid:image001.jpg@01D4178B.5B5E59B0" alt="Image removed by sender."></span><o:p></o:p></p></div></div></body></html>