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Updated Windows sysinfo HDD querying to use Win32_LogicalDisk filtered to local fixed drives (DriveType = 3) instead of Win32_Volume, with an inline comment explaining this avoids provider/RPC probe failures (such as Plan9/WSL-backed providers) seen in debugger sessions.

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Updated the HDD size property read from WMI from Capacity to Size so it matches the new Win32_LogicalDisk query schema.
This commit is contained in:
deepend
2026-02-15 16:51:11 -07:00
parent b569d24cd1
commit 16f2c6cc0d
1 changed files with 10 additions and 2 deletions
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12
src/common/sysinfo/win32/backend.c
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@@ -229,7 +229,15 @@ static char *query_wmi (QueryWmiType type)
query = SysAllocString (L"SELECT Name FROM Win32_VideoController");
break;
case QUERY_WMI_HDD:
query = SysAllocString (L"SELECT Name, Capacity, FreeSpace FROM Win32_Volume");
/*
* Query local fixed logical disks only.
*
* Win32_Volume can cause Windows to probe additional network-backed
* providers (for example Plan9/WSL providers), which may trigger RPC
* failures in debugger sessions. Restricting this to fixed logical disks
* avoids those probes while still providing useful local disk stats.
*/
query = SysAllocString (L"SELECT Name, Size, FreeSpace FROM Win32_LogicalDisk WHERE DriveType = 3");
break;
default:
goto release_queryLanguageName;
@@ -465,7 +473,7 @@ static char *read_hdd_info (IWbemClassObject *object)
VariantClear (&name_variant);
hr = object->lpVtbl->Get (object, L"Capacity", 0, &capacity_variant, NULL, NULL);
hr = object->lpVtbl->Get (object, L"Size", 0, &capacity_variant, NULL, NULL);
if (FAILED (hr))
{
return NULL;