Unfortunately, I can't boot the vm with qemu. It's hanging at the beginning.
I'm seeing this: bsd: initializing - done VFS: mounting ramfs at / VFS: mounting devfs at /dev net: initializing - done vga: Add VGA device instance eth0: ethernet address: 52:54:00:12:34:56 virtio-blk: Add blk device instances 0 as vblk0, devsize=1192516096 random: virtio-rng registered as a source. random: intel drng, rdrand registered as a source. random: <Software, Yarrow> initialized VFS: unmounting /dev VFS: mounting rofs at /rofs random: device unblocked. On Thu, Jan 23, 2020 at 3:25 PM zhiting zhu <[email protected]> wrote: > Here's the output log. See the file attached. > > On Thu, Jan 23, 2020 at 7:19 AM Nadav Har'El <[email protected]> wrote: > >> >> On Thu, Jan 23, 2020 at 2:23 PM Waldek Kozaczuk <[email protected]> >> wrote: >> >>> Can you send us the full output? I wonder if there are any warnings >>> before it? >>> >>> I see you are running this on firecracker. Can you run it under qemu and >>> connect to it with gdb and see if you get better stacktrace? >>> >>> You can add another debug statement like that: >>> >>> if (strcmp(" /lib/python3.6/google/protobuf/pyext/_message. >>> cpython-36m-x86_64-linux-gnu.so",pathname)==0 && i == 28) { >>> ... >>> // Put breakpoint here >>> } >>> >>> and try to see what statement causes the fault. Make sure to do 'osv >>> syms" to get as much debug info resolved as possible. (see >>> https://github.com/cloudius-systems/osv/wiki/Debugging-OSv). >>> >> >> I hope that "osv syms" will find the >> newly-loaded-but-not-yet-completely-loaded libraries. If it doesn't, maybe >> we can fix the order of when the array that "osv syms" uses gets written >> during loaded. >> >>> >>> I wonder if this has to with the order of initializing the ELF objects >>> when called by dlopen(). >>> >>> Waldek >>> >>> PS. If no more clue next step would be to add an app so we can build it >>> and reproduce it? >>> >>> On Wednesday, January 22, 2020 at 6:23:30 PM UTC-5, zhiting zhu wrote: >>>> >>>> Hey, >>>> >>>> I'm hitting this error: >>>> >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing DT_INIT function >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Finished executing DT_INIT >>>> function >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 56 DT_INIT_ARRAYSZ >>>> functions >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 0 init func >>>> 0x1000388ad500 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 1 init func >>>> 0x1000388ac8a0 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 2 init func >>>> 0x1000388ac8d0 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 3 init func >>>> 0x1000388ac900 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 4 init func >>>> 0x1000388ac930 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 5 init func >>>> 0x1000388ac960 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 6 init func >>>> 0x1000388ac990 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 7 init func >>>> 0x1000388ac9c0 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 8 init func >>>> 0x1000388ac9f0 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 9 init func >>>> 0x1000388aca20 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 10 init func >>>> 0x1000388aca50 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 11 init func >>>> 0x1000388aca80 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 12 init func >>>> 0x1000388acab0 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 13 init func >>>> 0x1000388acae0 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 14 init func >>>> 0x1000388acb10 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 15 init func >>>> 0x1000388acb40 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 16 init func >>>> 0x1000388acb70 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 17 init func >>>> 0x1000388acc50 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 18 init func >>>> 0x1000388acc80 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 19 init func >>>> 0x1000388accb0 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 20 init func >>>> 0x1000388acce0 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 21 init func >>>> 0x1000388acd10 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 22 init func >>>> 0x1000388acd40 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 23 init func >>>> 0x1000388acd70 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 24 init func >>>> 0x1000388acda0 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 25 init func >>>> 0x1000388acdd0 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 26 init func >>>> 0x1000388ace00 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 27 init func >>>> 0x1000388ace50 >>>> ELF [tid:51, /lib/python3.6/google/protobuf/pyext/_ >>>> message.cpython-36m-x86_64-linux-gnu.so]: Executing 28 init func >>>> 0x1000388ace80 >>>> Aborted >>>> >>>> [backtrace] >>>> 0x0000000040463abb <osv::generate_signal(siginfo&, exception_frame*)+59> >>>> 0x0000000040463b2a <osv::handle_mmap_fault(unsigned long, int, >>>> exception_frame*)+26> >>>> 0x000000004032f3e9 <mmu::vm_fault(unsigned long, exception_frame*)+185> >>>> 0x000000004038f7b6 <page_fault+166> >>>> 0x000000004038e5f6 <???+1077470710> >>>> 0x0000000040341042 <elf::program::init_library(int, char**)+402> >>>> 0x00000000403473db >>>> <elf::program::get_library(std::__cxx11::basic_string<char, >>>> std::char_traits<char>, std::allocator<char> >, >>>> std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, >>>> std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, >>>> std::char_traits<char>, std::allocator<char> > > >, bool)+715> >>>> 0x0000000040462f19 <dlopen+153> >>>> 0x0000100000937228 <_PyImport_FindSharedFuncptr+376> >>>> 0x006567617373656c <???+1936942444> >>>> 2020-01-22T17:13:51.345740567 [anonymous-instance:ERROR:vmm/src/ >>>> lib.rs:1658] Failed to log metrics: Logger was not initialized. >>>> >>>> Is there any clue how to debug this? The function pointer seems to >>>> point to a valid address but I get a seg fault when executing it. >>>> >>>> Best, >>>> Zhiting >>>> >>>> -- >>> You received this message because you are subscribed to the Google >>> Groups "OSv Development" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/osv-dev/ecdc93a7-2a7e-4d39-87e9-6de15578b7df%40googlegroups.com >>> <https://groups.google.com/d/msgid/osv-dev/ecdc93a7-2a7e-4d39-87e9-6de15578b7df%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "OSv Development" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/osv-dev/CANEVyjsYXNroc3%3DeXB7Z0cV-rfeO9yUGpkDGZP87LDNunXHocQ%40mail.gmail.com >> <https://groups.google.com/d/msgid/osv-dev/CANEVyjsYXNroc3%3DeXB7Z0cV-rfeO9yUGpkDGZP87LDNunXHocQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "OSv Development" group. 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