From: Luiz Capitulino <[email protected]> If memory allocation fails when using the -mem-prealloc command-line option, QEMU exits without printing any error information to the user:
# qemu [...] -m 1G -mem-prealloc -mem-path /dev/hugepages # echo $? 1 This commit adds an error message, so that we print instead: # qemu [...] -m 1G -mem-prealloc -mem-path /dev/hugepages qemu: unable to map backing store for hugepages: Cannot allocate memory Signed-off-by: Luiz Capitulino <[email protected]> Reviewed-by: Eric Blake <[email protected]> (cherry picked from commit e4d9df4fb16861f413374b69fcdb12c8c7a4a17e) Signed-off-by: Michael Roth <[email protected]> --- exec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/exec.c b/exec.c index 307bc24..a7d7daa 100644 --- a/exec.c +++ b/exec.c @@ -1130,6 +1130,7 @@ static void *file_ram_alloc(RAMBlock *block, error: if (mem_prealloc) { + error_report("%s\n", error_get_pretty(*errp)); exit(1); } return NULL; -- 1.9.1
