Index: sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
===================================================================
--- sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c  (wersja 248767)
+++ sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c  (kopia robocza)
@@ -1837,7 +1837,18 @@
            &xattr_obj, sizeof (xattr_obj));
        if (error == 0 && xattr_obj) {
                error = zfs_zget(zfsvfs, xattr_obj, &xzp);
-               ASSERT3U(error, ==, 0);
+               if (error != 0) {
+                       printf("%s: zfs_zget(%s, %ju) returned %d\n",
+                           __func__, zfsvfs->z_vfs->mnt_stat.f_mntfromname,
+                           (uintmax_t)xattr_obj, error);
+                       zfs_dirent_unlock(dl);
+                       VN_RELE(vp);
+                       if (realnmp)
+                               pn_free(realnmp);
+                       dmu_tx_abort(tx);
+                       ZFS_EXIT(zfsvfs);
+                       return (error);
+               }
                dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_TRUE);
                dmu_tx_hold_sa(tx, xzp->z_sa_hdl, B_FALSE);
        }