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gdb tests have been flaking on windows/mshv #1326

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gdb tests have been flaking on windows/mshv#1326
#1435
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Description

@jsturtevant
jsturtevant
opened on Mar 19, 2026

we've seen a couple flakes with gdb tests, I've retriggered this job to see if it was a flake. if it was will open an issue for the flake

Originally posted by @jsturtevant in #1309

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  1. github-actions
    added
    S-needs-triageThe issue has not yet been reviewed.
    on Mar 19, 2026

  2. jsturtevant commented on Mar 19, 2026

    @jsturtevant
    jsturtevant
    on Mar 19, 2026
    ContributorAuthor

    failure:

         Running `/target/debug/examples/guest-debugging`
warning: Can not parse XML target description; XML support was disabled at compile time
warning: 132	src/arch/amd64/init.rs: No such file or directory
hyperlight_guest_bin::arch::init::entrypoint (peb_address=<error reading variable: Cannot access memory at address 0xfffffffffffff000>, seed=<error reading variable: Cannot access memory at address 0xfffffffffffff008>, ops=<error reading variable: Cannot access memory at address 0xfffffffffffff010>, max_log_level=<error reading variable: Cannot access memory at address 0xfffffffffffff018>) at src/arch/amd64/init.rs:132
Breakpoint 1 at 0x43287: file src/main.rs, line 694.
warning: 694	src/main.rs: No such file or directory

Breakpoint 1, simpleguest::hyperlight_main () at src/main.rs:694
"Stopped at hyperlight_main breakpoint
"#0  simpleguest::hyperlight_main () at src/main.rs:694
#1  0x000000000006f8a9 in hyperlight_guest_bin::generic_init (peb_address=5038080, seed=4515860245123200426, ops=4096, max_log_level=1) at src/lib.rs:262
#2  0x0000000000055b5e in pivot_stack ()
/target/x86_64-unknown-linux-musl/debug/build/hyperlight-host-92161da5772f0ef8/out/gdb-commands.txt:16: Error in sourced command file:
Remote connection closed
test tests::test_gdb_end_to_end ... FAILED
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
     Running `/target/debug/examples/guest-debugging`
warning: Can not parse XML target description; XML support was disabled at compile time
warning: 132	src/arch/amd64/init.rs: No such file or directory
hyperlight_guest_bin::arch::init::entrypoint (peb_address=<error reading variable: Cannot access memory at address 0xfffffffffffff000>, seed=<error reading variable: Cannot access memory at address 0xfffffffffffff008>, ops=<error reading variable: Cannot access memory at address 0xfffffffffffff010>, max_log_level=<error reading variable: Cannot access memory at address 0xfffffffffffff018>) at src/arch/amd64/init.rs:132
Breakpoint 1 at 0x42781: file src/main.rs, line 539.
warning: 539	src/main.rs: No such file or directory

Breakpoint 1, simpleguest::use_sse2_registers () at src/main.rs:539
$1 = [0, 0, 0, 0]
Breakpoint 2 at 0x42798: file src/main.rs, line 541.

Breakpoint 2, simpleguest::use_sse2_registers () at src/main.rs:541
541	in src/main.rs
$2 = [1.20000005, 0, 0, 0]
[Inferior 1 (process 1) exited normally]
test tests::test_gdb_sse_check has been running for over 60 seconds
error: test failed, to rerun pass `-p hyperlight-host --example guest-debugging`
test tests::test_gdb_sse_check ... ok

failures:

---- tests::test_gdb_end_to_end stdout ----

thread 'tests::test_gdb_end_to_end' panicked at src/hyperlight_host/examples/guest-debugging/main.rs:287:9:
Gdb process exited with non-zero status: exit status: 1
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace


failures:
    tests::test_gdb_end_to_end

test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 68.00s

  3. jsturtevant commented on Mar 19, 2026

    @jsturtevant
    jsturtevant
    on Mar 19, 2026
    ContributorAuthor

    another instance:https://github.com/hyperlight-dev/hyperlight/actions/runs/23034363643/job/66899889238

    `D:\a\_work\hyperlight\hyperlight\target\debug\examples\guest-debugging.exe`
warning: 132	src/arch/amd64/init.rs: No such file or directory
hyperlight_guest_bin::arch::init::entrypoint (peb_address=<error reading variable: Cannot access memory at address 0xfffffffffffff000>, seed=<error reading variable: Cannot access memory at address 0xfffffffffffff008>, ops=<error reading variable: Cannot access memory at address 0xfffffffffffff010>, max_log_level=<error reading variable: Cannot access memory at address 0xfffffffffffff018>) at src/arch/amd64/init.rs:132
Breakpoint 1 at 0x43287: file src/main.rs, line 694.

warning: 694	src/main.rs: No such file or directory
Breakpoint 1, simpleguest::hyperlight_main () at src/main.rs:694
"Stopped at hyperlight_main breakpoint
"#0  simpleguest::hyperlight_main () at src/main.rs:694
#1  0x000000000006f8a9 in hyperlight_guest_bin::generic_init (peb_address=5038080, seed=2847743794227815636, ops=4096, max_log_level=4) at src/lib.rs:262
#2  0x0000000000055b5e in pivot_stack ()
[Inferior 1 (process 1) exited normally]
test tests::test_gdb_end_to_end ... ok

failures:

---- tests::test_gdb_sse_check stdout ----
manifest dir D:/a/_work/hyperlight/hyperlight/src/hyperlight_host
Warning: failed to remove D:\a\_work\hyperlight\hyperlight\target\debug\build\hyperlight-host-d33a04ea70f9d8c6\out/gdb-sse.output during cleanup: The system cannot find the file specified. (os error 2)

thread 'tests::test_gdb_sse_check' panicked at src\hyperlight_host\examples\guest-debugging\main.rs:335:9:
Failed to open gdb.output file: The system cannot find the file specified. (os error 2)
stack backtrace:
   0:     0x7ff787580952 - std::backtrace_rs::backtrace::win64::trace
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\..\..\backtrace\src\backtrace\win64.rs:85
   1:     0x7ff787580952 - std::backtrace_rs::backtrace::trace_unsynchronized
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\..\..\backtrace\src\backtrace\mod.rs:66
   2:     0x7ff787580952 - std::sys::backtrace::_print_fmt
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\sys\backtrace.rs:66
   3:     0x7ff787580952 - std::sys::backtrace::impl$0::print::impl$0::fmt
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\sys\backtrace.rs:39
   4:     0x7ff78759de0b - core::fmt::rt::Argument::fmt
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\core\src\fmt\rt.rs:173
   5:     0x7ff78759de0b - core::fmt::write
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\core\src\fmt\mod.rs:1465
   6:     0x7ff78757c937 - std::io::default_write_fmt
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\io\mod.rs:639
   7:     0x7ff78757c937 - std::io::Write::write_fmt<alloc::vec::Vec<u8,alloc::alloc::Global> >
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\io\mod.rs:1954
   8:     0x7ff787580795 - std::sys::backtrace::BacktraceLock::print
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\sys\backtrace.rs:42
   9:     0x7ff7875841fa - std::panicking::default_hook::closure$0
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\panicking.rs:300
  10:     0x7ff787583feb - std::panicking::default_hook
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\panicking.rs:324
  11:     0x7ff7874fe172 - alloc::boxed::impl$30::call
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\alloc\src\boxed.rs:1980
  12:     0x7ff7874fe172 - test::test_main_with_exit_callback::closure$0<test::test_main::closure_env$0>
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\test\src\lib.rs:145
  13:     0x7ff787584cfc - std::panicking::rust_panic_with_hook
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\panicking.rs:841
  14:     0x7ff787584b49 - std::panicking::begin_panic_handler::closure$0
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\panicking.rs:706
  15:     0x7ff7875816ff - std::sys::backtrace::__rust_end_short_backtrace<std::panicking::begin_panic_handler::closure_env$0,never$>
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\sys\backtrace.rs:168
  16:     0x7ff78758475e - std::panicking::begin_panic_handler
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\panicking.rs:697
  17:     0x7ff7875b23e1 - core::panicking::panic_fmt
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\core\src\panicking.rs:75
  18:     0x7ff7874b38ee - core::panicking::panic_display<enum2$<hyperlight_host::error::HyperlightError> >
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2\library\core\src\panicking.rs:268
  19:     0x7ff7874b83be - guest_debugging::tests::test_gdb_sse_check::closure$0::panic_cold_display<enum2$<hyperlight_host::error::HyperlightError> >
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2\library\core\src\panic.rs:100
  20:     0x7ff7874b80f6 - guest_debugging::tests::test_gdb_sse_check::closure$0
                               at D:\a\_work\hyperlight\hyperlight\src\hyperlight_host\examples\guest-debugging\main.rs:335
  21:     0x7ff7874b216b - core::ops::function::FnOnce::call_once<guest_debugging::tests::test_gdb_sse_check::closure_env$0,tuple$<> >
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2\library\core\src\ops\function.rs:250
  22:     0x7ff78750f047 - serial_test::serial_code_lock::local_serial_core
                               at C:\Users\cloudtest\.cargo\registry\src\index.crates.io-1949cf8c6b5b557f\serial_test-3.4.0\src\serial_code_lock.rs:36
  23:     0x7ff7874b7be7 - guest_debugging::tests::test_gdb_sse_check
                               at D:\a\_work\hyperlight\hyperlight\src\hyperlight_host\examples\guest-debugging\main.rs:291
  24:     0x7ff7874b7b38 - guest_debugging::tests::test_gdb_sse_check::closure$0
                               at D:\a\_work\hyperlight\hyperlight\src\hyperlight_host\examples\guest-debugging\main.rs:292
  25:     0x7ff7874b20d2 - core::ops::function::FnOnce::call_once<guest_debugging::tests::test_gdb_sse_check::closure_env$0,tuple$<> >
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2\library\core\src\ops\function.rs:250
  26:     0x7ff7875055c0 - core::ops::function::FnOnce::call_once
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\core\src\ops\function.rs:250
  27:     0x7ff7875055c0 - test::__rust_begin_short_backtrace<enum2$<core::result::Result<tuple$<>,alloc::string::String> >,enum2$<core::result::Result<tuple$<>,alloc::string::String> > (*)()>
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\test\src\lib.rs:648
  28:     0x7ff787503ff3 - test::run_test_in_process
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\test\src\lib.rs:671
  29:     0x7ff787503ff3 - test::run_test::closure$0
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\test\src\lib.rs:592
  30:     0x7ff7874bf04c - test::run_test::closure$1
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\test\src\lib.rs:622
  31:     0x7ff7874bf04c - std::sys::backtrace::__rust_begin_short_backtrace<test::run_test::closure_env$1,tuple$<> >
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\sys\backtrace.rs:152
  32:     0x7ff7874c34dd - core::ops::function::FnOnce::call_once<std::thread::impl$0::spawn_unchecked_::closure_env$1<test::run_test::closure_env$1,tuple$<> >,tuple$<> >
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\core\src\ops\function.rs:250
  33:     0x7ff7875877dd - alloc::boxed::impl$28::call_once
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\alloc\src\boxed.rs:1966
  34:     0x7ff7875877dd - alloc::boxed::impl$28::call_once
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\alloc\src\boxed.rs:1966
  35:     0x7ff7875877dd - std::sys::pal::windows::thread::impl$0::new::thread_start
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library\std\src\sys\pal\windows\thread.rs:60
  36:     0x7ffaceb04cb0 - BaseThreadInitThunk
  37:     0x7ffacfb1edcb - RtlUserThreadStart


failures:
    tests::test_gdb_sse_check

test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 28.04s

  4. ludfjig commented on Mar 23, 2026

    @ludfjig
    ludfjig
    on Mar 23, 2026
    Contributor

    On MSHV too

    https://github.com/hyperlight-dev/hyperlight/actions/runs/23458926445/job/68255990313

    cargo test --profile=dev   --example guest-debugging --features gdb
   Compiling managed v0.8.0
   Compiling pastey v0.2.1
   Compiling hyperlight-host v0.13.1 (/mnt/vss/_work/hyperlight/hyperlight/src/hyperlight_host)
   Compiling gdbstub v0.7.10
   Compiling gdbstub_arch v0.3.3
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.96s
     Running unittests examples/guest-debugging/main.rs (target/debug/examples/guest_debugging-4cc2297f7180e96a)

running 2 tests
   Compiling hyperlight-host v0.13.1 (/mnt/vss/_work/hyperlight/hyperlight/src/hyperlight_host)
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
     Running `/mnt/vss/_work/hyperlight/hyperlight/target/debug/examples/guest-debugging`
hyperlight_guest_bin::arch::init::entrypoint (peb_address=<error reading variable: Cannot access memory at address 0xfffffffffffff000>, seed=<error reading variable: Cannot access memory at address 0xfffffffffffff008>, ops=<error reading variable: Cannot access memory at address 0xfffffffffffff010>, max_log_level=<error reading variable: Cannot access memory at address 0xfffffffffffff018>) at src/arch/amd64/init.rs:132
132	pub extern "C" fn entrypoint(peb_address: u64, seed: u64, ops: u64, max_log_level: u64) {
Breakpoint 1 at 0x43db7: file src/main.rs, line 859.

Breakpoint 1, simpleguest::hyperlight_main () at src/main.rs:859
859	#[instrument(skip_all, parent = Span::current(), level= "Trace")]
"Stopped at hyperlight_main breakpoint
"#0  simpleguest::hyperlight_main () at src/main.rs:859
#1  0x0000000000070909 in hyperlight_guest_bin::generic_init (peb_address=5042176, seed=1388523398987174563, ops=4096, max_log_level=4) at src/lib.rs:262
#2  0x0000000000056b9e in pivot_stack ()
/mnt/vss/_work/hyperlight/hyperlight/target/debug/build/hyperlight-host-6be4c368ad61488f/out/gdb-commands.txt:16: Error in sourced command file:
Remote connection closed
test tests::test_gdb_end_to_end ... FAILED
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
     Running `/mnt/vss/_work/hyperlight/hyperlight/target/debug/examples/guest-debugging`
hyperlight_guest_bin::arch::init::entrypoint (peb_address=<error reading variable: Cannot access memory at address 0xfffffffffffff000>, seed=<error reading variable: Cannot access memory at address 0xfffffffffffff008>, ops=<error reading variable: Cannot access memory at address 0xfffffffffffff010>, max_log_level=<error reading variable: Cannot access memory at address 0xfffffffffffff018>) at src/arch/amd64/init.rs:132
132	pub extern "C" fn entrypoint(peb_address: u64, seed: u64, ops: u64, max_log_level: u64) {
Breakpoint 1 at 0x432b1: file src/main.rs, line 704.

Breakpoint 1, simpleguest::use_sse2_registers () at src/main.rs:704
704	    let val: f32 = 1.2f32;
$1 = [0, 0, 0, 0]
Breakpoint 2 at 0x432c8: file src/main.rs, line 706.

Breakpoint 2, simpleguest::use_sse2_registers () at src/main.rs:706
706	}
$2 = [1.20000005, 0, 0, 0]
[Inferior 1 (process 1) exited normally]
test tests::test_gdb_sse_check ... ok

failures:

---- tests::test_gdb_end_to_end stdout ----

thread 'tests::test_gdb_end_to_end' panicked at src/hyperlight_host/examples/guest-debugging/main.rs:287:9:
Gdb process exited with non-zero status: exit status: 1
stack backtrace:
   0:     0x5ce5acdb3862 - std::backtrace_rs::backtrace::libunwind::trace::h9c1aa7b29a521839
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
   1:     0x5ce5acdb3862 - std::backtrace_rs::backtrace::trace_unsynchronized::hb123c31478ec901c
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
   2:     0x5ce5acdb3862 - std::sys::backtrace::_print_fmt::hdda75a118fd2034a
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/sys/backtrace.rs:66:9
   3:     0x5ce5acdb3862 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hf435e8e9347709a8
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/sys/backtrace.rs:39:26
   4:     0x5ce5acdd8ef3 - core::fmt::rt::Argument::fmt::h9802ea71fd88c728
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/core/src/fmt/rt.rs:173:76
   5:     0x5ce5acdd8ef3 - core::fmt::write::h0a51fad3804c5e7c
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/core/src/fmt/mod.rs:1465:25
   6:     0x5ce5acdb0cd3 - std::io::default_write_fmt::h33ff8981097f58ea
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/io/mod.rs:639:11
   7:     0x5ce5acdb0cd3 - std::io::Write::write_fmt::he54474135bb64f2f
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/io/mod.rs:1954:13
   8:     0x5ce5acdb36b2 - std::sys::backtrace::BacktraceLock::print::h1ec5ce5bb8ee285e
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/sys/backtrace.rs:42:9
   9:     0x5ce5acdb4e2c - std::panicking::default_hook::{{closure}}::h5ffefe997a3c75e4
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/panicking.rs:300:27
  10:     0x5ce5acdb4c82 - std::panicking::default_hook::h820c77ba0601d6bb
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/panicking.rs:324:9
  11:     0x5ce5acd2dba4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd2d9a835f4b8f423
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/alloc/src/boxed.rs:1980:9
  12:     0x5ce5acd2dba4 - test::test_main_with_exit_callback::{{closure}}::h32c4bc4a085dff05
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/test/src/lib.rs:145:21
  13:     0x5ce5acdb57ab - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8be59125c8e59551
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/alloc/src/boxed.rs:1980:9
  14:     0x5ce5acdb57ab - std::panicking::rust_panic_with_hook::h8b29cbe181d50030
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/panicking.rs:841:13
  15:     0x5ce5acdb557a - std::panicking::begin_panic_handler::{{closure}}::h9f5b6f6dc6fde83e
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/panicking.rs:706:13
  16:     0x5ce5acdb3d59 - std::sys::backtrace::__rust_end_short_backtrace::hd7b0c344383b0b61
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/sys/backtrace.rs:168:18
  17:     0x5ce5acdb520d - __rustc[5224e6b81cd82a8f]::rust_begin_unwind
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/panicking.rs:697:5
  18:     0x5ce5acce7f90 - core::panicking::panic_fmt::hc49fc28484033487
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/core/src/panicking.rs:75:14
  19:     0x5ce5accf2af0 - core::panicking::panic_display::hba122be99cc0fba5
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/core/src/panicking.rs:268:5
  20:     0x5ce5accef5da - guest_debugging::tests::test_gdb_end_to_end::{{closure}}::panic_cold_display::h8394e9c5b1674f50
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/core/src/panic.rs:100:13
  21:     0x5ce5accef467 - guest_debugging::tests::test_gdb_end_to_end::{{closure}}::hc3c5d06bc06f83df
                               at /mnt/vss/_work/hyperlight/hyperlight/src/hyperlight_host/examples/guest-debugging/main.rs:287:9
  22:     0x5ce5accf0dbe - core::ops::function::FnOnce::call_once::hdc8de61350e3f48b
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/core/src/ops/function.rs:250:5
  23:     0x5ce5acd3c103 - serial_test::serial_code_lock::local_serial_core::h94853a0516779f98
                               at /opt/cargo/registry/src/index.crates.io-1949cf8c6b5b557f/serial_test-3.4.0/src/serial_code_lock.rs:36:5
  24:     0x5ce5acceee19 - guest_debugging::tests::test_gdb_end_to_end::hdaace4ba8766b60e
                               at /mnt/vss/_work/hyperlight/hyperlight/src/hyperlight_host/examples/guest-debugging/main.rs:247:5
  25:     0x5ce5acceed67 - guest_debugging::tests::test_gdb_end_to_end::{{closure}}::hec128fd6b585d400
                               at /mnt/vss/_work/hyperlight/hyperlight/src/hyperlight_host/examples/guest-debugging/main.rs:248:29
  26:     0x5ce5accf0cf6 - core::ops::function::FnOnce::call_once::h9263dd99c9599326
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/core/src/ops/function.rs:250:5
  27:     0x5ce5acd332ab - core::ops::function::FnOnce::call_once::h92226b62eea5e740
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/core/src/ops/function.rs:250:5
  28:     0x5ce5acd332ab - test::__rust_begin_short_backtrace::h5403e9ff57c40dab
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/test/src/lib.rs:648:18
  29:     0x5ce5acd3252e - test::run_test_in_process::{{closure}}::hde5ebd764eed8d41
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/test/src/lib.rs:671:74
  30:     0x5ce5acd3252e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h87a841e037538b15
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/core/src/panic/unwind_safe.rs:272:9
  31:     0x5ce5acd3252e - std::panicking::catch_unwind::do_call::hfce8274c0464d7ee
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/panicking.rs:589:40
  32:     0x5ce5acd3252e - std::panicking::catch_unwind::hf1024a3b71e7559a
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/panicking.rs:552:19
  33:     0x5ce5acd3252e - std::panic::catch_unwind::h32f944874226e619
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/panic.rs:359:14
  34:     0x5ce5acd3252e - test::run_test_in_process::he51794d4da2ed405
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/test/src/lib.rs:671:27
  35:     0x5ce5acd3252e - test::run_test::{{closure}}::hc41d5e32018fb032
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/test/src/lib.rs:592:43
  36:     0x5ce5accf7304 - test::run_test::{{closure}}::hb8e8bc84d9b1bbba
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/test/src/lib.rs:622:41
  37:     0x5ce5accf7304 - std::sys::backtrace::__rust_begin_short_backtrace::h725872d9e0edd537
error: test failed, to rerun pass `-p hyperlight-host --example guest-debugging`
error: Recipe `test-rust-gdb-debugging` failed on line 252 with exit code 101
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/sys/backtrace.rs:152:18
  38:     0x5ce5accfaa8a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc300ae8ae2205644
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/thread/mod.rs:559:17
  39:     0x5ce5accfaa8a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h98ba43e212713b1f
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/core/src/panic/unwind_safe.rs:272:9
  40:     0x5ce5accfaa8a - std::panicking::catch_unwind::do_call::h3367b31a744e4f14
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/panicking.rs:589:40
  41:     0x5ce5accfaa8a - std::panicking::catch_unwind::h0a7a52dbc375b4fd
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/panicking.rs:552:19
  42:     0x5ce5accfaa8a - std::panic::catch_unwind::he34cdfe5914307ff
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/panic.rs:359:14
  43:     0x5ce5accfaa8a - std::thread::Builder::spawn_unchecked_::{{closure}}::h73faeaeb9205adc3
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/thread/mod.rs:557:30
  44:     0x5ce5accfaa8a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7c65d33fb6595d81
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/core/src/ops/function.rs:250:5
  45:     0x5ce5acdb87bf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8703e59bc8145d18
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/alloc/src/boxed.rs:1966:9
  46:     0x5ce5acdb87bf - std::sys::pal::unix::thread::Thread::new::thread_start::h1ff51d6e85162efd
                               at /rustc/29483883eed69d5fb4db01964cdf2af4d86e9cb2/library/std/src/sys/pal/unix/thread.rs:107:17
  47:     0x76e7b5a8bca7 - <unknown>
  48:     0x76e7b5b0fabc - <unknown>
  49:                0x0 - <unknown>


failures:
    tests::test_gdb_end_to_end

test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 26.98s
  5. ludfjig
    changed the title [-]gdb tests have been flaking on windows[/-] [+]gdb tests have been flaking on windows/mshv[/+] on Mar 23, 2026
  6. jsturtevant
    closed this as completedin #1435on May 4, 2026
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