i had about 50megs of swap "used" when i ran swapoff -a. that trigger two machine checks, but the box stayed up and seemed none the worse. here's the syslog. Jun 24 12:55:54 zero kernel: CIA machine check: vector=0x670 pc=0xfffffc00008470b8 code=0x98 Jun 24 12:55:54 zero kernel: machine check type: processor detected hard error Jun 24 12:55:54 zero kernel: pc = [__get_swap_page+120/832] ra = [try_to_swap_out+656/896] ps = 0000 Jun 24 12:55:54 zero kernel: v0 = 0000000000000001 t0 = 0000000000000000 t1 = 0000000149177150 Jun 24 12:55:54 zero kernel: t2 = fffffc0000ace084 t3 = fffffc0149c77c58 t4 = 0000000000000001 Jun 24 12:55:54 zero kernel: t5 = ffffffffffffffff t6 = 00000000041d17d1 t7 = fffffc001ffe4000 Jun 24 12:55:54 zero kernel: a0 = fffffc001ffe7ce0 a1 = 0000000000000001 a2 = fffffc00008428b0 Jun 24 12:55:54 zero kernel: a3 = fffffc0016563ff8 a4 = fffffc0000cf1460 a5 = 0000000000000000 Jun 24 12:55:54 zero kernel: t8 = 0000000000000000 t9 = fffffc0000b00b08 t10= fffffc0000ace084 Jun 24 12:55:54 zero kernel: t11= 0000000010745f44 pv = fffffc0000847040 at = fffffc0000acf208 Jun 24 12:55:54 zero kernel: gp = fffffc0000ac53a0 sp = fffffc001ffe7ca0 Jun 24 12:55:54 zero kernel: CIA machine check: vector=0x670 pc=0xfffffc0000847330 code=0x98 Jun 24 12:55:54 zero kernel: machine check type: processor detected hard error Jun 24 12:55:54 zero kernel: pc = [__get_swap_page+752/832] ra = [try_to_swap_out+656/896] ps = 0000 Jun 24 12:55:54 zero kernel: v0 = 0000000000000001 t0 = 0000000000000000 t1 = 0000000149177150 Jun 24 12:55:54 zero kernel: t2 = fffffc0000ace084 t3 = fffffc0149c77c58 t4 = 0000000000000001 Jun 24 12:55:54 zero kernel: t5 = ffffffffffffffff t6 = 0000000000000000 t7 = fffffc001ffe4000 Jun 24 12:55:54 zero kernel: a0 = fffffc001ffe7ce0 a1 = 0000000000000001 a2 = fffffc00008428b0 Jun 24 12:55:54 zero kernel: a3 = fffffc0016563ff8 a4 = fffffc0000cf1460 a5 = 0000000000000000 Jun 24 12:55:54 zero kernel: t8 = 0000000000000000 t9 = fffffc0000b00b08 t10= fffffc0000ace084 Jun 24 12:55:54 zero kernel: t11= 0000000010745f44 pv = fffffc0000847040 at = fffffc0000acf208 Jun 24 12:55:54 zero kernel: gp = fffffc0000ac53a0 sp = fffffc001ffe7ca0 -- Tom Vier <[EMAIL PROTECTED]> DSA Key id 0x27371A2C - 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/