diff options
| -rw-r--r-- | kexec/arch/i386/crashdump-x86.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/kexec/arch/i386/crashdump-x86.c b/kexec/arch/i386/crashdump-x86.c index d5b5b685..a301ac8f 100644 --- a/kexec/arch/i386/crashdump-x86.c +++ b/kexec/arch/i386/crashdump-x86.c @@ -271,8 +271,14 @@ static int get_crash_memory_ranges(struct memory_range **range, int *ranges, str = line + consumed; dbgprintf("%016llx-%016llx : %s", start, end, str); - /* Only Dumping memory of type System RAM. */ - if (memcmp(str, "System RAM\n", 11) == 0) { + /* + * We want to dump any System RAM -- memory regions currently + * used by the kernel. In the usual case, this is "System RAM" + * on the top level. However, we can also have "System RAM + * (virtio_mem)" below virtio devices or "System RAM (kmem)" + * below "Persistent Memory". + */ + if (strstr(str, "System RAM")) { type = RANGE_RAM; } else if (memcmp(str, "ACPI Tables\n", 12) == 0) { /* |