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When loading the dynamic libraries, if something goes wrong report some details. Unfortunately this wont explain which dependencies are missing, but this breadcrumb in the logs should help us diagnose GPU discovery failures.
33 lines
1.3 KiB
Diff
33 lines
1.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Daniel Hiltgen <daniel@ollama.com>
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Date: Fri, 17 Oct 2025 14:17:00 -0700
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Subject: [PATCH] report LoadLibrary failures
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---
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ggml/src/ggml-backend-reg.cpp | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/ggml/src/ggml-backend-reg.cpp b/ggml/src/ggml-backend-reg.cpp
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index f794d9cfa..3a855ab2e 100644
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--- a/ggml/src/ggml-backend-reg.cpp
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+++ b/ggml/src/ggml-backend-reg.cpp
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@@ -118,6 +118,18 @@ static dl_handle * dl_load_library(const fs::path & path) {
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SetErrorMode(old_mode | SEM_FAILCRITICALERRORS);
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HMODULE handle = LoadLibraryW(path.wstring().c_str());
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+ if (!handle) {
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+ DWORD error_code = GetLastError();
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+ std::string msg;
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+ LPSTR lpMsgBuf = NULL;
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+ DWORD bufLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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+ NULL, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&lpMsgBuf, 0, NULL);
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+ if (bufLen) {
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+ msg = lpMsgBuf;
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+ LocalFree(lpMsgBuf);
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+ GGML_LOG_INFO("%s unable to load library %s: %s\n", __func__, path_str(path).c_str(), msg.c_str());
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+ }
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+ }
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SetErrorMode(old_mode);
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