<div dir="ltr">Dear All, <div><br></div><div><span style="color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px">Recently, We enabled CoreCLR (</span><font color="#333333" face="Helvetica Neue, Helvetica, Segoe UI, Arial, freesans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol"><span style="font-size:14px;line-height:22.4px"><a href="https://github.com/dotnet/coreclr">https://github.com/dotnet/coreclr</a>)</span></font><span style="color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px"> with -O3 flag in release build. </span></div><div><span style="color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px">We could successfully run simple C# console applications as following:</span></div><div><span style="color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px">root@linux-arm#> ./corerun ./MS Official/ Hello World/HelloWorld.exe</span><span style="color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px"> <br></span><font color="#333333" face="Helvetica Neue, Helvetica, Segoe UI, Arial, freesans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol"><span style="font-size:14px;line-height:22.4px"> * Execution result - <a href="https://cloud.githubusercontent.com/assets/82404/16142548/24fad3ea-34a1-11e6-8b9a-47fa8ad14228.jpg">https://cloud.githubusercontent.com/assets/82404/16142548/24fad3ea-34a1-11e6-8b9a-47fa8ad14228.jpg</a> </span></font></div><div><span style="color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px"><br></span></div><div><p style="margin-top:0px;margin-bottom:16px;color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px">However, We have got the "Bus error" from 3,000+ unit-tests when we have tried to <br><span style="line-height:22.4px">run the CoreCLR UnitTest for stabilization as a next step.</span></p><ul style="padding-left:2em;margin-top:0px;margin-bottom:16px;color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px"><li style="margin-left:0px">Checking the number of the "Bus error" related issues</li></ul><pre style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;margin-top:0px;margin-bottom:16px;font-stretch:normal;line-height:1.45;word-wrap:normal;padding:16px;overflow:auto;border-radius:3px;color:rgb(51,51,51);background-color:rgb(247,247,247)"><code style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;padding:0px;margin:0px;border-radius:3px;border:0px;display:inline;overflow:visible;line-height:inherit;word-wrap:normal;background:transparent">dxl@target:/unit-test/Windows_NT.x64.Release.20160519$ cat ./coreclrtests-release-20160613-o3.xml | grep "Bus error" | wc -l
3805</code></pre></div><div><ul style="padding-left:2em;margin-top:0px;margin-bottom:16px;color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px"><li style="margin-left:0px"><p style="margin-top:0px;margin-bottom:16px">Kernel messages<br style="">. . . . . Upper Omission . . . . <br style="">[14041.099385] Alignment trap: not handling instruction ed940a00 at []<br style="">[14041.099455] Unhandled fault: alignment exception (0x011) at 0xb570405d<br style="">[14041.101480] pgd = ebbec000<br style="">[14041.103260] [b570405d] *pgd=bbc77835<br style="">[14041.105123] Alignment trap: not handling instruction ed940a00 at []<br style="">[14041.108652] Unhandled fault: alignment exception (0x011) at 0xb570406f<br style="">[14041.110451] pgd = ebbec000<br style="">[14041.113633] [b570406f] *pgd=bbc77835<br style="">[14042.734539] Alignment trap: not handling instruction ed940a00 at []<br style="">[14042.734611] Unhandled fault: alignment exception (0x011) at 0xb4f0805d<br style="">[14042.746142] pgd = c642c000<br style="">[14042.747780] [b4f0805d] *pgd=6bb5e835, *pte=946127df, *ppte=94612e7f<br style="">[14042.783738] Alignment trap: not handling instruction ed940b00 at []<br style="">[14042.785409] Unhandled fault: alignment exception (0x011) at 0xb2507193<br style="">[14042.787300] pgd = ebbec000<br style="">[14042.788940] [b2507193] *pgd=ba4ad835<br style="">[14042.790739] Alignment trap: not handling instruction ed940b00 at []<br style="">[14042.792643] Unhandled fault: alignment exception (0x011) at 0xb25071a1<br style="">[14042.794286] pgd = ebbec000<br style="">. . . . Below Omission . . . .</p></li><li style="margin-left:0px"><p style="margin-top:0px;margin-bottom:16px">System call tracing:</p></li></ul><pre style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;margin-top:0px;margin-bottom:16px;font-stretch:normal;line-height:1.45;word-wrap:normal;padding:16px;overflow:auto;border-radius:3px;color:rgb(51,51,51);background-color:rgb(247,247,247)"><code style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;padding:0px;margin:0px;border-radius:3px;border:0px;display:inline;overflow:visible;line-height:inherit;word-wrap:normal;background:transparent"> . . . Upper Omission . . . .
mmap2(NULL, 65536, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb0581000
mprotect(0xb0581000, 65536, PROT_READ|PROT_WRITE) = 0
mmap2(NULL, 65536, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb0571000
mprotect(0xb0571000, 65536, PROT_READ|PROT_WRITE) = 0
mmap2(NULL, 65536, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb0561000
mprotect(0xb0561000, 65536, PROT_READ|PROT_WRITE) = 0
mmap2(NULL, 65536, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb0551000
mprotect(0xb0551000, 65536, PROT_READ|PROT_WRITE) = 0
munmap(0xb0591000, 65536) = 0
munmap(0xb0581000, 65536) = 0
munmap(0xb0571000, 65536) = 0
munmap(0xb0561000, 65536) = 0
munmap(0xb0551000, 65536) = 0
cacheflush(0xb223361c, 0xb2233b44, 0, 0x23e0, 0x528) = 0
cacheflush(0xb2233b84, 0xb2233bf0, 0, 0x23e0, 0x6c) = 0
cacheflush(0xb2233c10, 0xb2233c58, 0, 0x23e0, 0x48) = 0
--- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRALN, si_addr=0xb20378cd} ---
+++ killed by SIGBUS +++
Bus error
</code></pre><p style="margin-top:0px;margin-bottom:16px;color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px">As an one example, below is test result of <code style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;padding:0.2em 0px;margin:0px;border-radius:3px;background-color:rgba(0,0,0,0.0392157)">AboveStackLimit.exe</code> test case.</p><pre style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;margin-top:0px;margin-bottom:16px;font-stretch:normal;line-height:1.45;word-wrap:normal;padding:16px;overflow:auto;border-radius:3px;color:rgb(51,51,51);background-color:rgb(247,247,247)"><code style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;padding:0px;margin:0px;border-radius:3px;border:0px;display:inline;overflow:visible;line-height:inherit;word-wrap:normal;background:transparent">root@u1404:/unit-test/Windows_NT.x64.Release.20160519/Regressions/common/AboveStackLimit# pwd
/unit-test/Windows_NT.x64.Release.20160519/Regressions/common/AboveStackLimit
</code></pre><ul style="padding-left:2em;margin-top:0px;margin-bottom:16px;color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px"><li style="margin-left:0px">with -O1</li></ul><pre style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;margin-top:0px;margin-bottom:16px;font-stretch:normal;line-height:1.45;word-wrap:normal;padding:16px;overflow:auto;border-radius:3px;color:rgb(51,51,51);background-color:rgb(247,247,247)"><code style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;padding:0px;margin:0px;border-radius:3px;border:0px;display:inline;overflow:visible;line-height:inherit;word-wrap:normal;background:transparent">root@u1404:/unit-test/Windows_NT.x64.Release.20160519/Regressions/common/AboveStackLimit# ./AboveStackLimit.sh -coreroot=/unit-test/Windows_NT.x64.Release.20160519/Tests/coreoverlay-o1
BEGIN EXECUTION
/unit-test/Windows_NT.x64.Release.20160519/Tests/coreoverlay-o1/corerun AboveStackLimit.exe
Beginning test case Jitting a large method at 6/18/16 5:31:23 AM
Random seed: 20010415; set environment variable CORECLR_SEED to this value to repro
Beginning scenario: Jitting ~8099 arguments
Method JITTed and ran
Done
Ending test case at 6/18/16 5:31:24 AM
Expected: 100
Actual: 100
END EXECUTION - PASSED
root@u1404:/unit-test/Windows_NT.x64.Release.20160519/Regressions/common/AboveStackLimit# /unit-test/Windows_NT.x64.Release.20160511/Tests/coreoverlay-o1/corerun ./AboveStackLimit.exe
Beginning test case Jitting a large method at 6/18/16 5:49:02 AM
Random seed: 20010415; set environment variable CORECLR_SEED to this value to repro
Beginning scenario: Jitting ~8099 arguments
Method JITTed and ran
Done
Ending test case at 6/18/16 5:49:03 AM
</code></pre><ul style="padding-left:2em;margin-top:0px;margin-bottom:16px;color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px"><li style="margin-left:0px">with -O3</li></ul><pre style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;margin-top:0px;margin-bottom:16px;font-stretch:normal;line-height:1.45;word-wrap:normal;padding:16px;overflow:auto;border-radius:3px;color:rgb(51,51,51);background-color:rgb(247,247,247)"><code style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;padding:0px;margin:0px;border-radius:3px;border:0px;display:inline;overflow:visible;line-height:inherit;word-wrap:normal;background:transparent">root@u1404:/unit-test/Windows_NT.x64.Release.20160519/Regressions/common/AboveStackLimit# ./AboveStackLimit.sh -coreroot=/unit-test/Windows_NT.x64.Release.20160519/Tests/coreoverlay-o3
BEGIN EXECUTION
/unit-test/Windows_NT.x64.Release.20160519/Tests/coreoverlay-o3/corerun AboveStackLimit.exe
./AboveStackLimit.sh: line 65: 15083 Bus error $_DebuggerFullPath "$CORE_ROOT/corerun" AboveStackLimit.exe $CLRTestExecutionArguments $Host_Args
Expected: 100
Actual: 135
END EXECUTION - FAILED
root@u1404:/unit-test/Windows_NT.x64.Release.20160519/Regressions/common/AboveStackLimit#
root@u1404:/unit-test/Windows_NT.x64.Release.20160519/Regressions/common/AboveStackLimit# /unit-test/Windows_NT.x64.Release.20160511/Tests/coreoverlay-o3/corerun ./AboveStackLimit.exe
Bus error
root@u1404:/unit-test# demsg | tail
[ 3849.057055] Alignment trap: not handling instruction ed940b00 at [<b21db226>]
[ 3849.059380] Unhandled fault: alignment exception (0x011) at 0xb1f378e2
[ 3849.061762] pgd = e308c000
[ 3849.064056] [b1f378e2] *pgd=914bc835
[ 3904.059584] Alignment trap: not handling instruction ed940a00 at [<b21db176>]
[ 3904.059653] Unhandled fault: alignment exception (0x011) at 0xb1f378c1
[ 3904.061931] pgd = e308c000
[ 3904.064180] [b1f378c1] *pgd=6d791835, *pte=65adb7df, *ppte=65adbe7f
[ 3904.066624] Alignment trap: not handling instruction ed940b00 at [<b21db226>]
[ 3904.068875] Unhandled fault: alignment exception (0x011) at 0xb1f378e2
[ 3904.071088] pgd = e308c000
[ 3904.073303] [b1f378e2] *pgd=6d791835, *pte=65adb7df, *ppte=65adbe7f
[ 3952.350271] Alignment trap: not handling instruction ed940a00 at [<b227b176>]
[ 3952.350339] Unhandled fault: alignment exception (0x011) at 0xb20378c1
[ 3952.352759] pgd = ed554000
[ 3952.354909] [b20378c1] *pgd=914cb835
</code></pre><ul style="padding-left:2em;margin-top:0px;margin-bottom:16px;color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px"><li style="margin-left:0px">Debugging information with gdb (for -O3)</li></ul><pre style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;margin-top:0px;font-stretch:normal;line-height:1.45;word-wrap:normal;padding:16px;overflow:auto;border-radius:3px;color:rgb(51,51,51);margin-bottom:0px!important;background-color:rgb(247,247,247)"><code style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:11.9px;padding:0px;margin:0px;border-radius:3px;border:0px;display:inline;overflow:visible;line-height:inherit;word-wrap:normal;background:transparent">(gdb)
>From To Syms Read Shared Object Library
0xb6fdf840 0xb6ff21a0 Yes /lib/ld-linux-armhf.so.3
0xb6fc99a0 0xb6fca24c Yes /lib/arm-linux-gnueabihf/libdl.so.2
0xb6fb2090 0xb6fbba54 Yes /lib/arm-linux-gnueabihf/libpthread.so.0
0xb6f4aae0 0xb6f8e264 Yes (*) /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
0xb6e9bc68 0xb6ec5c48 Yes /lib/arm-linux-gnueabihf/libm.so.6
0xb6e84198 0xb6e8ef74 Yes (*) /lib/arm-linux-gnueabihf/libgcc_s.so.1
0xb6daecc0 0xb6e519c0 Yes /lib/arm-linux-gnueabihf/libc.so.6
0xb6969b90 0xb6c8c5a8 Yes /unit-test/Windows_NT.x64.Release.20160511/Tests/coreoverlay-o3/libcoreclr.so
0xb6934840 0xb6936ed0 Yes /lib/arm-linux-gnueabihf/librt.so.1
0xb6927f28 0xb69298e0 Yes (*) /lib/arm-linux-gnueabihf/libuuid.so.1
0xb68f1dc0 0xb68f7934 Yes (*) /usr/lib/arm-linux-gnueabihf/libunwind.so.8
0xb68b76d0 0xb68c09bc Yes (*) /usr/lib/arm-linux-gnueabihf/libunwind-arm.so.8
0xb68978b8 0xb68a5be8 Yes (*) /lib/arm-linux-gnueabihf/liblzma.so.5
0xb228ced8 0xb23a4d3c Yes /unit-test/Windows_NT.x64.Release.20160511/Tests/coreoverlay-o3/libclrjit.so
0xb2272480 0xb2276afc Yes /unit-test/Windows_NT.x64.Release.20160511/Tests/coreoverlay-o3/<a href="http://System.Globalization.Native.so">System.Globalization.Native.so</a>
0xb1f0f158 0xb1f81554 Yes (*) /usr/lib/arm-linux-gnueabihf/libicuuc.so.52
0xb1dfb980 0xb1ea890c Yes (*) /usr/lib/arm-linux-gnueabihf/libicui18n.so.52
0xb070c430 0xb070c524 Yes (*) /usr/lib/arm-linux-gnueabihf/libicudata.so.52
(*): Shared library is missing debugging information.
(gdb) info threads
Id Target Id Frame
5 Thread 0xb2bfe450 (LWP 15800) "corerun" __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
4 Thread 0xb57e5450 (LWP 15799) "corerun" __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
3 Thread 0xb5fe5450 (LWP 15798) "corerun" 0xb6fb9e1e in open () at ../sysdeps/unix/syscall-template.S:81
2 Thread 0xb6855450 (LWP 15797) "corerun" 0xb6e22fc0 in poll () at ../sysdeps/unix/syscall-template.S:81
* 1 Thread 0xb6ff6000 (LWP 15790) "corerun" 0xb22db22a in getI8LittleEndian (ptr=<optimized out>) at /work/dotnet/coreclr.git/src/jit/compiler.hpp:766
(gdb)
(gdb)
(gdb) bt
#0 0xb22db22a in getI8LittleEndian (ptr=<optimized out>) at /work/dotnet/coreclr.git/src/jit/compiler.hpp:766
#1 getR8LittleEndian (ptr=<optimized out>) at /work/dotnet/coreclr.git/src/jit/compiler.hpp:778
#2 Compiler::impImportBlockCode (this=0xb4f25010, block=0xb4f275b4) at /work/dotnet/coreclr.git/src/jit/importer.cpp:9254
#3 0xb22e8660 in operator() (this=<optimized out>, pParam=<optimized out>) at /work/dotnet/coreclr.git/src/jit/importer.cpp:14660
#4 Compiler::impImportBlock (this=0xb4f25010, block=0xb4f275b4) at /work/dotnet/coreclr.git/src/jit/importer.cpp:14670
#5 0xb22e9e1c in Compiler::impImport (this=0xb4f25010, method=<optimized out>) at /work/dotnet/coreclr.git/src/jit/importer.cpp:15741
#6 0xb22ada8c in Compiler::fgImport (this=0xb4f25010) at /work/dotnet/coreclr.git/src/jit/flowgraph.cpp:6601
#7 0xb229e220 in Compiler::compCompile (this=0xb4f25010, methodCodePtr=0xbefdec94, methodCodeSize=0xbefded70, compileFlags=0xbefdec98)
at /work/dotnet/coreclr.git/src/jit/compiler.cpp:3488
#8 0xb229eaae in Compiler::compCompileHelper (this=0xb4f25010, classPtr=<optimized out>, compHnd=<optimized out>, methodInfo=<optimized out>,
methodCodePtr=0x1, methodCodeSize=0xb4f26534, compileFlags=0xbefdec98, instVerInfo=(unknown: 3035779088))
at /work/dotnet/coreclr.git/src/jit/compiler.cpp:4912
#9 0xb229e752 in operator() (this=<optimized out>, __JITpParam=<optimized out>) at /work/dotnet/coreclr.git/src/jit/compiler.cpp:4305
#10 Compiler::compCompile (this=0xb4f25010, methodHnd=<optimized out>, classPtr=0xb602c010, compHnd=0xbefdeda8, methodInfo=0xb4f265c4,
methodCodePtr=<optimized out>, methodCodeSize=<optimized out>, compileFlags=0xbefdec98) at /work/dotnet/coreclr.git/src/jit/compiler.cpp:4327
#11 0xb229f16a in operator() (this=<optimized out>, __JITpParam=<optimized out>) at /work/dotnet/coreclr.git/src/jit/compiler.cpp:5523
#12 operator() (this=<optimized out>, __JITpParam=<optimized out>) at /work/dotnet/coreclr.git/src/jit/compiler.cpp:5552
#13 jitNativeCode (methodHnd=0xb06ed2f0, classPtr=0xb602c010, compHnd=0xbefdeda8, methodInfo=0xbefdee10, methodCodePtr=<optimized out>,
methodCodeSize=<optimized out>, compileFlags=<optimized out>, inlineInfoPtr=0x0) at /work/dotnet/coreclr.git/src/jit/compiler.cpp:5554
#14 0xb22a1dfe in CILJit::compileMethod (this=<optimized out>, compHnd=0xbefdeda8, methodInfo=0xbefdee10, flags=<optimized out>, entryAddress=0x0,
nativeSizeOfCode=0xbefded70) at /work/dotnet/coreclr.git/src/jit/ee_il_dll.cpp:295
#15 0xb69b1c38 in invokeCompileMethodHelper (jitMgr=0x3ff28, comp=<optimized out>, info=0xbefdee10, flags=1048592, flags2=0, nativeEntry=0xbefded74,
nativeSizeOfCode=0xbefded70) at /work/dotnet/coreclr.git/src/vm/jitinterface.cpp:11834
#16 0xb69b1cc8 in invokeCompileMethod (jitMgr=0x3ff28, comp=0xbefdeda8, info=0xbefdee10, flags=1048592, flags2=<optimized out>,
nativeEntry=<optimized out>, nativeSizeOfCode=<optimized out>) at /work/dotnet/coreclr.git/src/vm/jitinterface.cpp:11889
#17 0xb69b1d94 in operator() (this=<optimized out>, pParam=<optimized out>) at /work/dotnet/coreclr.git/src/vm/jitinterface.cpp:11951
#18 CallCompileMethodWithSEHWrapper (jitMgr=0x0, comp=0x1, info=0xb4f26534, flags=1048592, flags2=0, nativeEntry=<optimized out>,
nativeSizeOfCode=0xbefded70, ftn=<optimized out>) at /work/dotnet/coreclr.git/src/vm/jitinterface.cpp:11994
#19 0xb69b247c in UnsafeJitFunction (ftn=0xb06ed2f0, ILHeader=<optimized out>, flags=<optimized out>, flags2=0, pSizeOfCode=0x0)
at /work/dotnet/coreclr.git/src/vm/jitinterface.cpp:12635
#20 0xb6b52538 in MethodDesc::MakeJitWorker (this=0xb06ed2f0, ILHeader=<optimized out>, flags=0, flags2=0)
at /work/dotnet/coreclr.git/src/vm/prestub.cpp:462
#21 0xb6b53280 in MethodDesc::DoPrestub (this=0xb06ed2f0, pDispatchingMT=0x0) at /work/dotnet/coreclr.git/src/vm/prestub.cpp:1454
#22 0xb6b52c2a in PreStubWorker (pTransitionBlock=<optimized out>, pMD=0xb06ed2f0) at /work/dotnet/coreclr.git/src/vm/prestub.cpp:1041
#23 0xb6aa3b72 in ThePreStub () from /unit-test/Windows_NT.x64.Release.20160511/Tests/coreoverlay-o3/libcoreclr.so
#24 0xb05db7b0 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb) info registers
r0 0x0 0
r1 0x1 1
r2 0xb4f26534 3035784500
r3 0x28 40
r4 0xb207d3ef 2986857455
r5 0xb4f25010 3035779088
r6 0xb4f25010 3035779088
r7 0xbefde998 3204311448
r8 0x7 7
r9 0x23 35
r10 0x4 4
r11 0x0 0
r12 0x1528 5416
sp 0xbefde520 0xbefde520
lr 0xb4f26534 -1259182796
pc 0xb22db22a 0xb22db22a <Compiler::impImportBlockCode(BasicBlock*)+7182>
cpsr 0x800e0030 -2146566096
(gdb) info frame
Stack level 0, frame at 0xbefde9b0:
pc = 0xb22db22a in getI8LittleEndian (/work/dotnet/coreclr.git/src/jit/compiler.hpp:766); saved pc = 0xb22e8660
inlined into frame 1
source language c++.
Arglist at unknown address.
Locals at unknown address, Previous frame's sp in sp
(gdb) bt
Dump of assembler code for function Compiler::impImportBlockCode(BasicBlock*):
0xb22d961c <+0>: stmdb sp!, {r4, r5, r6, r7, r8, r9, r10, r11, lr}
0xb22d9620 <+4>: add r7, sp, #12
0xb22d9622 <+6>: sub.w sp, sp, #1128 ; 0x468
0xb22d9626 <+10>: sub sp, #4
0xb22d9628 <+12>: mov r10, r0
0xb22d962a <+14>: ldr.w r0, [pc, #3208] ; 0xb22da2b4 <Compiler::impImportBlockCode(BasicBlock*)+3224>
0xb22d962e <+18>: mov r8, r1
0xb22d9630 <+20>: ldr.w r1, [pc, #3204] ; 0xb22da2b8 <Compiler::impImportBlockCode(BasicBlock*)+3228>
0xb22d9634 <+24>: add r0, pc
0xb22d9636 <+26>: str.w r10, [sp, #196] ; 0xc4
0xb22d963a <+30>: ldr r0, [r1, r0]
0xb22d963c <+32>: ldr r0, [r0, #0]
0xb22d963e <+34>: str.w r0, [r7, #-20]
0xb22d9642 <+38>: ldr.w r0, [r10, #1712] ; 0x6b0
0xb22d9646 <+42>: cbz r0, 0xb22d9658 <Compiler::impImportBlockCode(BasicBlock*)+60>
0xb22d9648 <+44>: ldr.w r0, [r0, #552] ; 0x228
0xb22d964c <+48>: mov.w r9, #4294967295
0xb22d9650 <+52>: ldr r0, [r0, #60] ; 0x3c
0xb22d9652 <+54>: str.w r0, [r10, #1964] ; 0x7ac
0xb22d9656 <+58>: b.n 0xb22d971a <Compiler::impImportBlockCode(BasicBlock*)+254>
0xb22d9658 <+60>: mov.w r0, #2147483648 ; 0x80000000
0xb22d965c <+64>: movw r1, #5412 ; 0x1524
0xb22d9660 <+68>: str.w r0, [r10, #1964] ; 0x7ac
0xb22d9664 <+72>: movw r0, #5308 ; 0x14bc
0xb22d9668 <+76>: ldr.w r0, [r10, r0]
0xb22d966c <+80>: mov r5, r10
0xb22d966e <+82>: ldr.w r10, [r5, r1]
0xb22d9672 <+86>: ldr r4, [r0, #84] ; 0x54
0xb22d9674 <+88>: cmp.w r10, #255 ; 0xff
0xb22d9678 <+92>: bhi.n 0xb22d968a <Compiler::impImportBlockCode(BasicBlock*)+110>
0xb22d967a <+94>: movw r0, #5300 ; 0x14b4
0xb22d967e <+98>: ldrb r0, [r5, r0]
0xb22d9680 <+100>: tst.w r0, #1
0xb22d9684 <+104>: it ne
0xb22d9686 <+106>: strne.w r4, [r5, #1964] ; 0x7ac
0xb22d968a <+110>: cbnz r4, 0xb22d969c <Compiler::impImportBlockCode(BasicBlock*)+128>
0xb22d968c <+112>: movs r0, #0
0xb22d968e <+114>: cmp.w r10, #255 ; 0xff
0xb22d9692 <+118>: it hi
0xb22d9694 <+120>: movhi.w r0, #2147483648 ; 0x80000000
0xb22d9698 <+124>: str.w r0, [r5, #1964] ; 0x7ac
0xb22d969c <+128>: movw r0, #5296 ; 0x14b0
0xb22d96a0 <+132>: ldr r6, [r5, r0]
---Type <return> to continue, or q <return> to quit---
0xb22d96a2 <+134>: cmp r6, #0
0xb22d96a4 <+136>: beq.n 0xb22d96dc <Compiler::impImportBlockCode(BasicBlock*)+192>
0xb22d96a6 <+138>: mul.w r0, r6, r4
0xb22d96aa <+142>: mov.w r1, #5216 ; 0x1460
0xb22d96ae <+146>: ldr r1, [r5, r1]
0xb22d96b0 <+148>: blx 0xb228cac4
0xb22d96b4 <+152>: cmp r0, r6
0xb22d96b6 <+154>: mov r12, r5
0xb22d96b8 <+156>: it cs
0xb22d96ba <+158>: subcs r0, r6, #1
0xb22d96bc <+160>: subs r1, r0, #1
0xb22d96be <+162>: movw r0, #5292 ; 0x14ac
0xb22d96c2 <+166>: adds r2, r5, r0
0xb22d96c4 <+168>: cmp.w r1, #4294967295
0xb22d96c8 <+172>: beq.n 0xb22d96e4 <Compiler::impImportBlockCode(BasicBlock*)+200>
0xb22d96ca <+174>: ldr r0, [r2, #0]
0xb22d96cc <+176>: ldr.w r3, [r0, r1, lsl #2]
0xb22d96d0 <+180>: subs r1, #1
0xb22d96d2 <+182>: cmp r3, r4
0xb22d96d4 <+184>: bcs.n 0xb22d96c4 <Compiler::impImportBlockCode(BasicBlock*)+168>
0xb22d96d6 <+186>: add.w r9, r1, #2
0xb22d96da <+190>: b.n 0xb22d96ea <Compiler::impImportBlockCode(BasicBlock*)+206>
0xb22d96dc <+192>: mov.w r9, #4294967295
0xb22d96e0 <+196>: mov r10, r5
0xb22d96e2 <+198>: b.n 0xb22d971a <Compiler::impImportBlockCode(BasicBlock*)+254>
0xb22d96e4 <+200>: ldr r0, [r2, #0]
0xb22d96e6 <+202>: mov.w r9, #0
0xb22d96ea <+206>: ldr.w r1, [r0, r9, lsl #2]
0xb22d96ee <+210>: cmp r1, r4
0xb22d96f0 <+212>: bcs.n 0xb22d9700 <Compiler::impImportBlockCode(BasicBlock*)+228>
0xb22d96f2 <+214>: add.w r9, r9, #1
0xb22d96f6 <+218>: cmp r6, r9
0xb22d96f8 <+220>: bne.n 0xb22d96ea <Compiler::impImportBlockCode(BasicBlock*)+206>
0xb22d96fa <+222>: mov r9, r6
0xb22d96fc <+224>: mov r10, r12
0xb22d96fe <+226>: b.n 0xb22d971a <Compiler::impImportBlockCode(BasicBlock*)+254>
0xb22d9700 <+228>: bne.n 0xb22d9718 <Compiler::impImportBlockCode(BasicBlock*)+252>
0xb22d9702 <+230>: cmp.w r10, #255 ; 0xff
0xb22d9706 <+234>: add.w r9, r9, #1
0xb22d970a <+238>: mov r10, r12
0xb22d970c <+240>: it hi
0xb22d970e <+242>: orrhi.w r4, r4, #2147483648 ; 0x80000000
0xb22d9712 <+246>: str.w r4, [r10, #1964] ; 0x7ac
0xb22d9716 <+250>: b.n 0xb22d971a <Compiler::impImportBlockCode(BasicBlock*)+254>
---Type <return> to continue, or q <return> to quit---</code></pre></div><div><br></div><div><br></div><div><br></div><div><span style="color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px">We have still got the same issue even though we try to build coreCLR with "</span><span style="font-weight:bolder;color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px">-mno-unaligned-access</span><span style="color:rgb(51,51,51);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;line-height:22.4px">" flag of llang /llvm-3.6. <br>Anyone who has similar experience Is this issue already resolved in the latest clang/llvm version? </span></div><div><font color="#333333" face="Helvetica Neue, Helvetica, Segoe UI, Arial, freesans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol"><span style="font-size:14px;line-height:22.4px"><br></span></font></div><div><font color="#333333" face="Helvetica Neue, Helvetica, Segoe UI, Arial, freesans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol"><span style="font-size:14px;line-height:22.4px">BRs,</span></font></div><div><font color="#333333" face="Helvetica Neue, Helvetica, Segoe UI, Arial, freesans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol"><span style="font-size:14px;line-height:22.4px">Geunsik Lim. </span></font></div><div><font color="#333333" face="Helvetica Neue, Helvetica, Segoe UI, Arial, freesans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol"><span style="font-size:14px;line-height:22.4px"><br></span></font></div><div><font color="#333333" face="Helvetica Neue, Helvetica, Segoe UI, Arial, freesans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol"><span style="font-size:14px;line-height:22.4px"><br></span></font></div><div><font color="#333333" face="Helvetica Neue, Helvetica, Segoe UI, Arial, freesans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol"><span style="font-size:14px;line-height:22.4px"><br></span></font></div><div><font color="#333333" face="Helvetica Neue, Helvetica, Segoe UI, Arial, freesans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol"><span style="font-size:14px;line-height:22.4px"><br clear="all"></span></font><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><a href="http://leemgs.fedorapeople.org" style="font-family:Tahoma" target="_blank">http://leemgs.fedorapeople.org</a><span style="font-family:Tahoma"> </span></div><div>Don't try to avoid pain if you fail.<br>If you decided to face the challenges in life, <br>you can gain a lot by giving your best.<br>Cheolsang Jeong's Book & life<br>--<br></div></div></div>
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