diff options
| -rw-r--r-- | UPDATING | 8 | ||||
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c | 8 |
2 files changed, 16 insertions, 0 deletions
@@ -16,6 +16,14 @@ from older versions of FreeBSD, try WITHOUT_CLANG to bootstrap to the tip of stable/10, and then rebuild without this option. The bootstrap process from older version of current is a bit fragile. +20150731: + As ZFS requires more kernel stack pages than is the default on some + architectures e.g. i386, it now warns if KSTACK_PAGES is less than + ZFS_MIN_KSTACK_PAGES (which is 4 at the time of writing). + + Please consider using 'options KSTACK_PAGES=X' where X is greater + than or equal to ZFS_MIN_KSTACK_PAGES i.e. 4 in such configurations. + 20150703: The default Unbound configuration now enables remote control using a local socket. Users who have already enabled the diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c index c38b509..cf42cae 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c @@ -6493,10 +6493,18 @@ static void zfs_shutdown(void *, int); static eventhandler_tag zfs_shutdown_event_tag; +#define ZFS_MIN_KSTACK_PAGES 4 + int zfs__init(void) { +#if KSTACK_PAGES < ZFS_MIN_KSTACK_PAGES + printf("ZFS NOTICE: KSTACK_PAGES is %d which could result in stack " + "overflow panic!\nPlease consider adding " + "'options KSTACK_PAGES=%d' to your kernel config\n", KSTACK_PAGES, + ZFS_MIN_KSTACK_PAGES); +#endif zfs_root_token = root_mount_hold("ZFS"); mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL); |
