On 11/7/15, Denis Kirjanov <[email protected]> wrote: > Hi, > > kernel v4.3-3155-g1b1050c, > found the following WARNING at boot time: > > [ 15.363908] Freeing unused kernel memory: 628K (ffff880001963000 - > ffff880001a00000) > [ 15.370510] Freeing unused kernel memory: 1744K (ffff880001e4c000 - > ffff880002000000) > [ 15.380507] ------------[ cut here ]------------ > [ 15.380746] WARNING: CPU: 4 PID: 1 at > arch/x86/mm/dump_pagetables.c:225 note_page+0x619/0x7e0() > [ 15.381208] x86/mm: Found insecure W+X mapping at address > ffffffffa0000000/0xffffffffa0000000 > [ 15.381615] Modules linked in: > [ 15.381907] CPU: 4 PID: 1 Comm: swapper/0 Not tainted 4.3.0+ #3 > [ 15.382163] Hardware name: IBM BladeCenter HS22 -[7870AC1]-/68Y8027 > , BIOS -[P9E131AUS-1.05]- 10/18/2009 > [ 15.382569] ffffffff81d29017 ffff880663607d60 ffffffff81334959 > ffff880663607da8 > [ 15.383222] ffff880663607d98 ffffffff81059a11 ffff880661fd9010 > 0000000000000004 > [ 15.383850] 0000000000000000 ffff880663607e98 0000000000000000 > ffff880663607df8 > [ 15.384531] Call Trace: > [ 15.384763] [<ffffffff81334959>] dump_stack+0x4b/0x72 > [ 15.384996] [<ffffffff81059a11>] warn_slowpath_common+0x81/0xc0 > [ 15.385289] [<ffffffff81059a97>] warn_slowpath_fmt+0x47/0x50 > [ 15.385562] [<ffffffff810521c9>] note_page+0x619/0x7e0 > [ 15.385793] [<ffffffff8105269a>] ptdump_walk_pgd_level_core+0x30a/0x3b0 > [ 15.386045] [<ffffffff81052762>] > ptdump_walk_pgd_level_checkwx+0x12/0x20 > [ 15.386284] [<ffffffff81048f69>] mark_rodata_ro+0xe9/0xf0 > [ 15.386520] [<ffffffff8194e040>] ? rest_init+0x140/0x140 > [ 15.386752] [<ffffffff8194e058>] kernel_init+0x18/0xe0 > [ 15.386986] [<ffffffff8195b6ff>] ret_from_fork+0x3f/0x70 > [ 15.387240] [<ffffffff8194e040>] ? rest_init+0x140/0x140 > [ 15.387472] ---[ end trace efbf79af9fce1389 ]--- > [ 15.387727] x86/mm: Checked W+X mappings: FAILED, 2 W+X pages found. > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
