The following patch fixes an important issue when booting FreeBSD.
FreeBSD's kldstat(2) function expects that the full pathname will be
provided to kernel / modules. The current GRUB was striping this out and
only leaving the filename itself. This broke dtrace and other things
which used the full pathname to locate the kernel or modules on disk.
The attached patch fixes this behavior.
--
Kris Moore
PC-BSD Software
iXsystems
diff --git a/grub-core/loader/i386/bsd.c b/grub-core/loader/i386/bsd.c
index 8f691e0..fb47969 100644
--- a/grub-core/loader/i386/bsd.c
+++ b/grub-core/loader/i386/bsd.c
@@ -415,11 +415,15 @@ grub_freebsd_add_meta_module (const char *filename, const char *type,
grub_addr_t addr, grub_uint32_t size)
{
const char *name;
- name = grub_strrchr (filename, '/');
+ /* Don't strip the full path, some FreeBSD functionality, such
+ * as kldstat(2) / dtrace, rely on this. Instead we only need to remove
+ * any ZFS dataset information first. */
+ name = grub_strrchr (filename, '@');
if (name)
name++;
else
name = filename;
+
if (grub_strcmp (type, "/boot/zfs/zpool.cache") == 0)
name = "/boot/zfs/zpool.cache";
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