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From "Alexey Petrenko" <alexey.a.petre...@gmail.com>
Subject Re: [drlvm][em64t] drlvm broken on em64t?
Date Tue, 12 Dec 2006 21:37:06 GMT
And here is the failure after update:
    [junit] Running org.apache.harmony.lang.generics.ClassLoaderTest
    [junit] SIGSEGV in VM code.
    [junit] Stack trace:
    [junit]     1: strcat (??:-1)
    [junit]     2: bootstrap_initial_java_classes
(/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmcore/src/init/vm_init.cpp:292)
    [junit]     3: preload_classes
(/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmcore/src/init/vm_init.cpp:334)
    [junit]     4: vm_init1(JavaVM_Internal*, JavaVMInitArgs*)
(/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmcore/src/init/vm_init.cpp:691)
    [junit]     5: JNI_CreateJavaVM
(/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmcore/src/jni/jni.cpp:495)
    [junit]     6: ?? (??:-1)
    [junit]     7: ?? (??:-1)
    [junit]     8: ?? (??:-1)
    [junit]     9: hysig_protect
(/nfs/pb/home/aapetren/work/harmony/working_classlib/modules/portlib/src/main/native/port/unix/hysignal.c:283)
    [junit]     10: ?? (??:-1)
    [junit]     11: __libc_start_main (??:-1)
    [junit]     12: ?? (??:-1)
    [junit] <end of stack trace>


2006/12/13, Alexey Petrenko <alexey.a.petrenko@gmail.com>:
> I got the following errors while runnig kernel and other vm tests on Suse/x86:
>    [junit] Running org.apache.harmony.lang.generics.ClassLoaderTest
>    [junit] SIGSEGV in VM code.
>    [junit] Stack trace:
>    [junit]     1: strlen (??:-1)
>    [junit]     2: GetSystemProperty
> (/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmi/src/vmi.cpp:150)
>    [junit]     3: readClassPathFromPropertiesFile (../shared/luniglob.c:275)
>    [junit]     4: JNI_OnLoad (../shared/luniglob.c:126)
>    [junit]     5: find_call_JNI_OnLoad
> (/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmcore/src/util/natives_support.cpp:119)
>    [junit]     6: natives_load_library(char const*, bool*, int*)
> (/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmcore/src/util/natives_support.cpp:287)
>    [junit]     7: ClassLoader::LoadNativeLibrary(char const*)
> (/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmcore/src/class_support/classloader.cpp:1046)
>    [junit]     8: BootstrapClassLoader::Initialize(ManagedObject*)
> (/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmcore/src/class_support/classloader.cpp:1369)
>    [junit]     9: bootstrap_initial_java_classes
> (/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmcore/src/init/vm_init.cpp:292)
>    [junit]     10: preload_classes
> (/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmcore/src/init/vm_init.cpp:334)
>    [junit]     11: vm_init1(JavaVM_Internal*, JavaVMInitArgs*)
> (/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmcore/src/init/vm_init.cpp:691)
>    [junit]     12: JNI_CreateJavaVM
> (/nfs/pb/home/aapetren/work/harmony/working_vm/vm/vmcore/src/jni/jni.cpp:495)
>    [junit]     13: ?? (??:-1)
>    [junit]     14: ?? (??:-1)
>    [junit]     15: ?? (??:-1)
>    [junit]     16: hysig_protect
> (/nfs/pb/home/aapetren/work/harmony/working_classlib/modules/portlib/src/main/native/port/unix/hysignal.c:283)
>    [junit]     17: ?? (??:-1)
>    [junit]     18: __libc_start_main (??:-1)
>    [junit]     19: ?? (??:-1)
>    [junit] <end of stack trace>
>    [junit] Tests FAILED
>
> And something like this on windows...
>
> SY, Alexey
>
> P.S. I do not have latest Gregory's patch yet.
>
> 2006/12/13, Geir Magnusson Jr. <geir@pobox.com>:
> >
> >
> > Gregory Shimansky wrote:
> > > Geir Magnusson Jr. wrote:
> > >> This must be from the recent properties refactoring...
> > >
> > > I've found out the reason of the change. It is r486100 in classlib.
> > > Previously there was no call to GetSystemProperty about
> > > org.apache.harmony.boot.class.path. I've fixed drlvm function
> > > GetSystemProperty to return VMI_ERROR_NOT_FOUND in case a property
> > > cannot be found and set valuePtr to NULL (or otherwise luniglob crashes).
> > >
> > > This still doesn't work because org.apache.harmony.boot.class.path is
> > > not set anywhere, and then bootstrap class loader fails to initialize.
> > > I'm still trying to find out what else had changed.
> > >
> >
> > That property is constructed by luni when the .so is loaded.  If this
> > doesn't work on em64t, it shouldn't work anywhere...
> >
> > geir
> >
> >
> > >> Gregory Shimansky wrote:
> > >>> Geir Magnusson Jr. wrote:
> > >>>> No one?
> > >>>
> > >>> I think I've reproduced the same problem on ia32 fedora (on other
> > >>> linuxes everything works ok). I'm trying to investigate. The problem
> > >>> is in function GetSystemProperty in vm/vmi/src/vmi.cpp
> > >>>
> > >>> 146     vmiError JNICALL
> > >>> 147     GetSystemProperty(VMInterface *vmi, char *key, char **valuePtr)
> > >>> 148     {
> > >>> 149         char* value = get_property(key, JAVA_PROPERTIES);
> > >>> 150         *valuePtr = strdup(value);
> > >>> 151         destroy_property_value(value);
> > >>> 152         return VMI_ERROR_NONE;
> > >>> 153     }
> > >>>
> > >>> called like this:
> > >>>
> > >>> GetSystemProperty (vmi=0x97ca60, key=0x941e5c
> > >>> "org.apache.harmony.boot.class.path", valuePtr=0xbf98cd18)
> > >>>
> > >>> The function get_property returns NULL, so strdup in line 150
> > >>> crashes. I don't know yet why
> > >>> get_property("org.apache.harmony.boot.class.path", JAVA_PROPERTIES)
> > >>> returns NULL, but calling strdup unconditionally doesn't seem to be
a
> > >>> good idea to me too.
> > >>>
> > >>>> Geir Magnusson Jr. wrote:
> > >>>>> Trying to get the snapshots out... :)
> > >>>>>
> > >>>>> I was trying r486163 and drlvm just crashes...
> > >>>>>
> > >>>>> Anyone else seeing this?  I'm on ubuntu 6 x86_64.  I don't
want to
> > >>>>> blame luni, but w/ strace, I see the following :
> > >>>>>
> > >>>>> open("/home/geir/dev/apache/harmony/enhanced/trunk/working_vm/build/deploy/jdk/jre/bin/libhyluni.so",
> > >>>>> O_RDONLY) = 3
> > >>>>> read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0
> > >>>>> i\0\0\0"..., 640) = 640
> > >>>>> fstat(3, {st_mode=S_IFREG|0755, st_size=1238859, ...}) = 0
> > >>>>> mmap(NULL, 1263224, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE,
> > >>>>> 3, 0) = 0x2aaabf6e8000
> > >>>>> mprotect(0x2aaabf71d000, 1046136, PROT_NONE) = 0
> > >>>>> mmap(0x2aaabf81c000, 4096, PROT_READ|PROT_WRITE,
> > >>>>> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x34000) = 0x2aaabf81c000
> > >>>>> close(3)                                = 0
> > >>>>> rt_sigaction(SIGPIPE, NULL, {SIG_DFL}, 8) = 0
> > >>>>> rt_sigaction(SIGPIPE, {SIG_IGN}, {SIG_DFL}, 8) = 0
> > >>>>> stat("/home/geir/dev/apache/harmony/enhanced/trunk/working_vm/build/deploy/jdk/jre/lib/boot/bootclasspath.properties",
> > >>>>> {st_mode=S_IFREG|0644, st_size=6360, ...}) = 0
> > >>>>> open("/home/geir/dev/apache/harmony/enhanced/trunk/working_vm/build/deploy/jdk/jre/lib/boot/bootclasspath.properties",
> > >>>>> O_RDONLY) = 3
> > >>>>> fstat(3, {st_mode=S_IFREG|0644, st_size=6360, ...}) = 0
> > >>>>> mmap(NULL, 6360, PROT_READ|PROT_WRITE, MAP_PRIVATE, 3, 0) =
> > >>>>> 0x2aaabf81d000
> > >>>>> close(3)                                = 0
> > >>>>> munmap(0x2aaabf81d000, 6360)            = 0
> > >>>>> --- SIGSEGV (Segmentation fault) @ 0 (0) ---
> > >>>>> rt_sigaction(SIGSEGV, {SIG_DFL}, {0x2aaaac098530, [],
> > >>>>> SA_RESTORER|SA_STACK|SA_SIGINFO, 0x2aaaab8554d0}, 8) = 0
> > >>>>> rt_sigreturn(0)                         = 0
> > >>>>> --- SIGSEGV (Segmentation fault) @ 0 (0) ---
> > >>>>> +++ killed by SIGSEGV +++
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>> geir
> > >>>>
> > >>>
> > >>>
> > >>
> > >
> > >
> >
>

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