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Defer DOTNET_DbgEnableMiniDump error message until dump creation #122986

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Merged
steveisok merged 8 commits into from
Jan 10, 2026
Merged

Defer DOTNET_DbgEnableMiniDump error message until dump creation #122986

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a26bec4
Initial plan
Copilot Jan 7, 2026
7fccb58
Move DOTNET_DbgEnableMiniDump error message to BuildCreateDumpCommand…
Copilot Jan 7, 2026
316bca3
Add comment for clarity in PalCreateDumpInitialize
Copilot Jan 7, 2026
6d701ff
Restore original logic, just move error message to BuildCreateDumpCom…
Copilot Jan 7, 2026
2160148
Fix memory leak when createdump binary doesn't exist
Copilot Jan 7, 2026
ee5bd17
Add g_warnCreateDumpMissing flag to warn in both dump creation paths
Copilot Jan 7, 2026
d2abcab
Extract duplicate error message into constant
Copilot Jan 7, 2026
b00b960
Detect missing createdump at execv time instead of initialization
Copilot Jan 9, 2026
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3 changes: 2 additions & 1 deletion src/coreclr/nativeaot/Runtime/unix/PalCreateDump.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,7 @@ BuildCreateDumpCommandLine(
{
if (g_szCreateDumpPath == nullptr || g_ppidarg == nullptr)
{
fprintf(stderr, "DOTNET_DbgEnableMiniDump is set and the createdump binary does not exist\n");
return false;
}

Expand Down Expand Up @@ -624,7 +625,7 @@ PalCreateDumpInitialize()
struct stat fileData;
if (stat(program, &fileData) == -1 || !S_ISREG(fileData.st_mode))
{
fprintf(stderr, "DOTNET_DbgEnableMiniDump is set and the createdump binary does not exist: %s\n", program);
free(program);
return true;
}
g_szCreateDumpPath = program;
Expand Down
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