I built an lldb myself. As far as I remember, this error has been seen in swift's CI on machines running Linux. Adrian, could you correct me if I'm wrong?
On Wed, Aug 15, 2018 at 8:02 PM <ted.woodw...@codeaurora.org> wrote: > That definitely points to an issue with either your install or your system. > > > > Is that an lldb you built, or one you installed with apt-get? > > > > Turning on the lldb-server logs might help. Unfortunately, I forget how to > do that 😊. Pavel, do you remember? > > > > *From:* Александр Поляков <polyakov....@gmail.com> > *Sent:* Tuesday, August 14, 2018 6:15 PM > *To:* Ted Woodward <ted.woodw...@codeaurora.org> > *Cc:* Adrian Prantl <apra...@apple.com>; LLDB <lldb-dev@lists.llvm.org> > *Subject:* Re: [lldb-dev] Failing LIT-based lldb-mi tests > > > > LLDB fails with the same symptoms: > > lldb < 1> send packet: + > > lldb history[1] tid=0x0c09 < 1> send packet: + > > lldb < 19> send packet: $QStartNoAckMode#b0 > > lldb < 1> read packet: + > > lldb < 6> read packet: $OK#9a > > lldb < 1> send packet: + > > lldb < 41> send packet: > $qSupported:xmlRegisters=i386,arm,mips#12 > > lldb < 124> read packet: > $PacketSize=20000;QStartNoAckMode+;QThreadSuffixSupported+;QListThreadsInStopReply+;qEcho+;QPassSignals+;qXfer:auxv:read+#be > > lldb < 26> send packet: $QThreadSuffixSupported#e4 > > lldb < 6> read packet: $OK#9a > > lldb < 27> send packet: $QListThreadsInStopReply#21 > > lldb < 6> read packet: $OK#9a > > lldb < 13> send packet: $qHostInfo#9b > > lldb < 11> send packet: $qEcho:1#5b > > error: process launch failed: 'A' packet returned an error: -1 > > > > `gdb-remote process` log is the same as for lldb-mi. > > > > On Wed, Aug 15, 2018 at 2:01 AM <ted.woodw...@codeaurora.org> wrote: > > Yes, the communications back and forth indicate that lldb-server is > running and lldb-mi is connected to it. > > > > My run was successful. You mentioned load on the machine; do you see any > failed runs from lldb? Both lldb and lldb-mi make the same call > (Target::Launch) to start the process. > > > > My log looks like this: > > lldb-mi < 1> send packet: + > > lldb-mi history[1] tid=0x33d0 < 1> send packet: + > > lldb-mi < 19> send packet: $QStartNoAckMode#b0 > > lldb-mi < 1> read packet: + > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 1> send packet: + > > lldb-mi < 41> send packet: > $qSupported:xmlRegisters=i386,arm,mips#12 > > lldb-mi < 124> read packet: > $PacketSize=20000;QStartNoAckMode+;QThreadS > > > uffixSupported+;QListThreadsInStopReply+;qEcho+;QPassSignals+;qXfer:auxv:read+#b > > e > > lldb-mi < 26> send packet: $QThreadSuffixSupported#e4 > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 27> send packet: $QListThreadsInStopReply#21 > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 13> send packet: $qHostInfo#9b > > lldb-mi < 363> read packet: > $triple:7838365f36342d2d6c696e75782d676e75;ptrsize:8;distribution_id:7562756e7475;watchpoint_exceptions_received:after;endian:little;os_version:3.13.0;os_build:332e31332e302d3135332d67656e65726963;os_kernel:233230332d5562756e747520534d5020546875204a756e2031342030383a35323a3238205554432032303138;hostname:746564776f6f642d7562756e74752e7175616c636f6d6d2e636f6d;#73 > > lldb-mi < 10> send packet: $vCont?#49 > > lldb-mi < 17> read packet: $vCont;c;C;s;S#62 > > lldb-mi < 27> send packet: $qVAttachOrWaitSupported#38 > > lldb-mi < 4> read packet: $#00 > > lldb-mi < 23> send packet: $QEnableErrorStrings#8c > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 36> send packet: $QSetSTDIN:2f6465762f7074732f3235#4c > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 37> send packet: $QSetSTDOUT:2f6465762f7074732f3235#ad > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 37> send packet: $QSetSTDERR:2f6465762f7074732f3235#9e > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 21> send packet: $QSetDisableASLR:1#ce > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 23> send packet: $QSetDetachOnError:1#f8 > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 22> send packet: $QLaunchArch:x86_64#13 > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 72> send packet: > $A62,0,2f757372322f746564776f6f642f6c6c6462 > > 5f746573742f666163746c696e#19 > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 18> send packet: $qLaunchSuccess#a5 > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 16> send packet: $qProcessInfo#dc > > lldb-mi < 172> read packet: > $pid:378a;parent-pid:3785;real-uid:34004;real-gid:c8;effective-uid:34004;effective-gid:c8;triple:7838365f36342d2d6c696e7578 > > > > the rest of the log is full of qRegisterInfo and other packets from a > successful run. > > > > *From:* apra...@apple.com <apra...@apple.com> > *Sent:* Tuesday, August 14, 2018 4:50 PM > *To:* Александр Поляков <polyakov....@gmail.com> > *Cc:* Ted Woodward <ted.woodw...@codeaurora.org>; LLDB < > lldb-dev@lists.llvm.org> > *Subject:* Re: [lldb-dev] Failing LIT-based lldb-mi tests > > > > > > > > On Aug 14, 2018, at 2:43 PM, Александр Поляков <polyakov....@gmail.com> > wrote: > > > > Here is what I got from gdb-remote packet log: > > (gdb) > > lldb-mi < 1> send packet: + > > lldb-mi history[1] tid=0x784a < 1> send packet: + > > lldb-mi < 19> send packet: $QStartNoAckMode#b0 > > lldb-mi < 1> read packet: + > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 1> send packet: + > > lldb-mi < 41> send packet: > $qSupported:xmlRegisters=i386,arm,mips#12 > > lldb-mi < 124> read packet: > $PacketSize=20000;QStartNoAckMode+;QThreadSuffixSupported+;QListThreadsInStopReply+;qEcho+;QPassSignals+;qXfer:auxv:read+#be > > lldb-mi < 26> send packet: $QThreadSuffixSupported#e4 > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 27> send packet: $QListThreadsInStopReply#21 > > lldb-mi < 6> read packet: $OK#9a > > lldb-mi < 13> send packet: $qHostInfo#9b > > lldb-mi < 11> send packet: $qEcho:1#5b > > Could somebody help me with understanding of what is happening here? > > > > > > Just to clarify: Is this from a session that failed with the symptoms you > described earlier? > > I'm not familiar with the protocol, but the fact that there are send and > read log entries makes it sound like the communication itself is working. > > > > -- adrian > > > > > -- > > Alexander > -- Alexander
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