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Skip stack trace if gdb is unavailable #1004

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Skip stack trace if gdb is unavailable #1004

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2b528a9
Skip stack trace if gdb is unavailable
pentschev Apr 30, 2026
1df0802
Remove accidental change
pentschev Apr 30, 2026
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51 changes: 32 additions & 19 deletions ci/timeout_with_stack.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@

import argparse
import os
import shutil
import signal
import subprocess
import sys
Expand Down Expand Up @@ -109,26 +110,38 @@ def capture_stack_trace(pid: int, stack_type=StackType.C) -> None:
else:
bt_command = "thread apply all py-bt"
print(f"\nCapturing Python stack trace for process {pid}:")
proc = subprocess.run(
[
"gdb",
"--quiet",
"--pid",
str(pid),
"-ex",
"set pagination off",
"-ex",
"set confirm off",
"-ex",
bt_command,
"-ex",
"quit",
],
capture_output=True,
text=True,
check=False,
)
gdb = shutil.which("gdb")
if gdb is None:
print(f"Skipping stack trace for process {pid}: gdb not found")
return

try:
proc = subprocess.run(
[
gdb,
"--quiet",
"--pid",
str(pid),
"-ex",
"set pagination off",
"-ex",
"set confirm off",
"-ex",
bt_command,
"-ex",
"quit",
],
capture_output=True,
text=True,
check=False,
)
except FileNotFoundError:
print(f"Skipping stack trace for process {pid}: gdb not found")
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@wence- wence- Apr 30, 2026

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Not sure how we'll get filenotfounderror here given we just checked for gdb above?

return

print(proc.stdout)
if proc.stderr:
print(proc.stderr, file=sys.stderr)


def capture_all_stacks(pid: int, *, enable_python: bool = False) -> None:
Expand Down
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