Sorry!! Alec Ari
On Thu, Sep 15, 2016 at 1:22 AM, Mike Galbraith <[email protected]> wrote: > On Wed, 2016-09-14 at 23:02 -0500, NTU wrote: >> [ 26.542980] Call Trace: >> [ 26.542983] [<ffffffffa7fbd7c1>] ? 0xffffffffa7fbd7c1 >> [ 26.542985] [<ffffffffa7f17d35>] ? 0xffffffffa7f17d35 >> [ 26.542986] [<ffffffffa796c115>] ? 0xffffffffa796c115 >> [ 26.542988] [<ffffffffa7633d86>] ? 0xffffffffa7633d86 >> [ 26.542989] [<ffffffffa796c0a6>] ? 0xffffffffa796c0a6 > ... > > The stack trace is useless without symbols.
[ 5.094204] debug: unmapping init [mem 0xffffffffb2717000-0xffffffffb284dfff] [ 5.098544] Write protecting the kernel read-only data: 32768k [ 5.103870] Testing CPA: undo ffffffffb0400000-ffffffffb2400000 [ 5.109293] Testing CPA: again [ 5.114695] debug: unmapping init [mem 0xffff880262881000-0xffff8802629fffff] [ 5.119041] debug: unmapping init [mem 0xffff880262f30000-0xffff880262ffffff] [ 26.098243] INFO: rcu_sched self-detected stall on CPU [ 26.102209] 0-...: (20984 ticks this GP) idle=e5d/140000000000001/0 softirq=196/196 fqs=5248 [ 26.106247] (t=21000 jiffies g=-219 c=-220 q=12) [ 26.110323] Task dump for CPU 0: [ 26.114397] swapper/0 R running task 0 1 0 0x00000008 [ 26.118502] ffffffffb2463020 0000000074ef7c0c ffff8803ace07c98 ffffffffb050d416 [ 26.122620] 0000000000000006 0000000000000010 0000000041b58ab3 ffffffffb22d8e95 [ 26.126749] ffffffffb050d1f0 ffff8803ace07d30 ffffffffb0d59b59 000000000000000f [ 26.130922] Call Trace: [ 26.135064] <IRQ> [<ffffffffb050d416>] sched_show_task+0x226/0x380 [ 26.139255] [<ffffffffb050d1f0>] ? SyS_sched_rr_get_interval+0x250/0x250 [ 26.143423] [<ffffffffb0d59b59>] ? _find_next_bit+0xe9/0x120 [ 26.147605] [<ffffffffb0514f41>] dump_cpu_task+0x71/0x90 [ 26.151766] [<ffffffffb1c60a15>] rcu_dump_cpu_stacks+0x180/0x1a6 [ 26.155944] [<ffffffffb0594576>] rcu_check_callbacks+0x1706/0x17f0 [ 26.160166] [<ffffffffb062662f>] ? __acct_update_integrals+0x21f/0x2a0 [ 26.164410] [<ffffffffb059e6c0>] update_process_times+0x30/0x60 [ 26.168622] [<ffffffffb05c8533>] tick_sched_timer+0xb3/0x420 [ 26.172808] [<ffffffffb05c8480>] ? tick_init_highres+0x20/0x20 [ 26.177013] [<ffffffffb059f52e>] __hrtimer_run_queues+0x25e/0x4e0 [ 26.181207] [<ffffffffb05a11dc>] hrtimer_interrupt+0x17c/0x450 [ 26.185436] [<ffffffffb1c7d8ef>] smp_trace_apic_timer_interrupt+0xdf/0x140 [ 26.189679] [<ffffffffb1c7d959>] smp_apic_timer_interrupt+0x9/0xb [ 26.193895] [<ffffffffb1c7d19c>] apic_timer_interrupt+0x7c/0x90 [ 26.198079] <EOI> [<ffffffffb0493640>] ? ptdump_walk_pgd_level_core+0x4b0/0x710 [ 26.202346] [<ffffffffb0493190>] ? note_page+0x1790/0x1790 [ 26.206594] [<ffffffffb0485a64>] ? set_memory_np+0x34/0x40 [ 26.210890] [<ffffffffb04938e7>] ptdump_walk_pgd_level_checkwx+0x17/0x20 [ 26.215212] [<ffffffffb04788ef>] mark_rodata_ro+0x1cf/0x230 [ 26.219534] [<ffffffffb1c6b114>] kernel_init+0x34/0x180 [ 26.223866] [<ffffffffb1c7c00f>] ret_from_fork+0x1f/0x40 [ 26.228146] [<ffffffffb1c6b0e0>] ? rest_init+0xa0/0xa0 [ 32.053216] CPA self-test: [ 32.258851] 4k 4187648 large 0 gb 0 x 1837[ffff880000099000-ffff880100000000] miss 268800 [ 32.467012] 4k 4187648 large 0 gb 0 x 1837[ffff880000099000-ffff880100000000] miss 268800 [ 32.673716] 4k 4187648 large 0 gb 0 x 1837[ffff880000099000-ffff880100000000] miss 268800 [ 32.678052] ok.
