I've just had this happen for the 3rd time in 4 days. I wasn't
suibscribed to the list so couldn't reply to the existing thread but
here it is http://www.spinics.net/lists/linux-btrfs/msg68662.html
I can do some limited testing. It's my main dev machine though..
On Sat, Sep 2, 2017 at 10:52 AM, Josef Bacik <jba...@fb.com> wrote:
>
> Oops, ok I've updated my tree so we don't save the stack trace of the initial
> scan, which we don't need anyway. That should save a decent amount of memory
> in your case. It was an in place update so you'll need to blow away your
> local branch and pull the new one to get the new code. Thanks,
>
> Josef
>
> Sent from my iPhone
>
> > On Sep 2, 2017, at 12:10 PM, Marc MERLIN <m...@merlins.org> wrote:
> >
> >> On Fri, Sep 01, 2017 at 11:01:30PM +0000, Josef Bacik wrote:
> >> You'll be fine, it's only happening on the one fs right? That's 13gib of
> >> metadata with checksums and all that shit, it'll probably look like 8 or
> >> 9gib of ram worst case. I'd mount with -o ref_verify and check the slab
> >> amount in /proc/meminfo to get an idea of real usage. Once the mount is
> >> finished that'll be about as much metadata you will use, of course it'll
> >> grow as metadata usage grows but it should be nominal. Thanks,
> >
> > Looks like I don't have enough RAM :(
> >
> > [ 80.964838] BTRFS info (device dm-2): bdev /dev/mapper/dshelf1 errs: wr
> > 0, rd 0, flush 0, corrupt 2, gen 0
> > [ 1382.968986]Tbcache_writebaceinvoked
> > oom-killer:dgfp_mask=0x14000c0(GFP_KERNEL), nodemask=(null), order=0,
> > oom_score_adj=0
> > [ 1383.003255] bcache_writebac cpuset=/ mems_allowed=0
> > [ 1383.018947] CPU: 6 PID: 2359 Comm: bcache_writebac Tainted: G U
> > 4.13.0-rc5-amd64-preempt-sysrq-20170406+ #1
> > [ 1383.052448] Hardware name: System manufacturer System Product
> > Name/P8H67-M PRO, BIOS 3904 04/27/2013
> > [ 1383.080911] Call Trace:
> > [ 1383.089336] dump_stack+0x61/0x7d
> > [ 1383.100132] dump_header+0x97/0x239
> > [ 1383.111354] ? _raw_spin_unlock_irqrestore+0x14/0x24
> > [ 1383.127322] oom_kill_process+0x86/0x379
> > [ 1383.140208] out_of_memory+0x3b8/0x416
> > [ 1383.152581] __alloc_pages_slowpath+0x890/0xa55
> > [ 1383.166960] ? _raw_spin_unlock_irq+0x11/0x21
> > [ 1383.180806] __alloc_pages_nodemask+0x141/0x1f5
> > [ 1383.195144] alloc_pages_current+0x8d/0x96
> > [ 1383.208310] bio_alloc_pages+0x29/0x6a
> > [ 1383.220472] bch_writeback_thread+0x53b/0x6ff [bcache]
> > [ 1383.236942] ? write_dirty+0x90/0x90 [bcache]
> > [ 1383.250734] kthread+0xfb/0x100
> > [ 1383.261230] ? init_completion+0x24/0x24
> > [ 1383.273988] ? do_fast_syscall_32+0xb7/0xfe
> > [ 1383.287265] ret_from_fork+0x25/0x30
> > [ 1383.298733] Mem-Info:
> > [ 1383.306446] active_anon:1 inactive_anon:3 isolated_anon:0
> > [ 1383.306446] active_file:190 inactive_file:180 isolated_file:0
> > [ 1383.306446] unevictable:0 dirty:0 writeback:1 unstable:0
> > [ 1383.306446] slab_reclaimable:3436 slab_unreclaimable:8033273
> > [ 1383.306446] mapped:1 shmem:2 pagetables:74 bounce:0
> > [ 1383.306446] free:53127 free_pcp:0 free_cma:3741
> > [ 1383.406332] Node 0 active_anon:0kB inactive_anon:16kB active_file:896kB
> > inactive_file:824kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
> > mapped:4kB dirty:0kB writeback:0kB shmem:8kB shmem_thp: 0kB
> > shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB
> > all_unreclaimable? yes
> > [ 1383.486392] Node 0 DMA free:15880kB min:32kB low:44kB high:56kB
> > active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB
> > unevictable:0kB writepending:0kB present:15964kB managed:15880kB
> > mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB
> > local_pcp:0kB free_cma:0kB
> > [ 1383.565818] lowmem_reserve[]: 0 3201 31832 31832 31832
> > [ 1383.581956] Node 0 DMA32 free:121256kB min:6788kB low:10064kB
> > high:13340kB active_anon:0kB inactive_anon:0kB active_file:44kB
> > inactive_file:52kB unevictable:0kB writepending:0kB present:3362068kB
> > managed:3296500kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB
> > free_pcp:0kB local_pcp:0kB free_cma:0kB
> > [ 1383.665831] lowmem_reserve[]: 0 0 28631 28631 28631
> > [ 1383.681212] Node 0 Normal free:75372kB min:60760kB low:90092kB
> > high:119424kB active_anon:0kB inactive_anon:16kB active_file:788kB
> > inactive_file:836kB unevictable:0kB writepending:0kB present:29874176kB
> > managed:29337252kB mlocked:0kB kernel_stack:8048kB pagetables:296kB
> > bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:14964kB
> > [ 1383.769793] lowmem_reserve[]: 0 0 0 0 0
> > [ 1383.782429] Node 0 DMA: 0*4kB 1*8kB (U) 0*16kB 0*32kB 2*64kB (U) 1*128kB
> > (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15880kB
> > [ 1383.823171] Node 0 DMA32: 4*4kB (UM) 21*8kB (UME) 9*16kB (UME) 5*32kB
> > (ME) 5*64kB (UME) 5*128kB (UME) 6*256kB (UME) 5*512kB (UME) 5*1024kB (ME)
> > 4*2048kB (UME) 25*4096kB (M) = 121256kB
> > [ 1383.874564] Node 0 Normal: 773*4kB (UMEC) 494*8kB (ME) 373*16kB (UMEC)
> > 284*32kB (MEC) 177*64kB (UMEC) 108*128kB (UME) 36*256kB (UME) 9*512kB
> > (UMEC) 0*1024kB 1*2048kB (C) 3*4096kB (C) = 75412kB
> > [ 1383.927787] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
> > hugepages_size=2048kB
> > [ 1383.954002] 467 total pagecache pages
> > [ 1383.965889] 3 pages in swap cache
> > [ 1383.976715] Swap cache stats: add 1253, delete 1250, find 21/36
> > [ 1383.995325] Free swap = 15610620kB
> > [ 1384.006675] Total swap = 15616764kB
> > [ 1384.018005] 8313052 pages RAM
> > [ 1384.027730] 0 pages HighMem/MovableOnly
> > [ 1384.040076] 150644 pages reserved
> > [ 1384.050845] 4096 pages cma reserved
> > [ 1384.062127] 0 pages hwpoisoned
> > [ 1384.072133] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds
> > swapents oom_score_adj name
> > [ 1384.098531] [ 983] 0 983 936 0 6 2
> > 32 0 init
> > [ 1384.124971] [ 984] 0 984 941 1 5 2
> > 98 0 rc
> > [ 1384.150843] [ 1103] 0 1103 920 1 5 2
> > 188 -1000 udevd
> > [ 1384.177534] [ 1311] 0 1311 925 1 5 2
> > 67 -1000 net.agent
> > [ 1384.205278] [ 1352] 0 1352 925 1 5 2
> > 66 -1000 net.agent
> > [ 1384.233017] [ 1703] 0 1703 926 1 5 2
> > 68 -1000 net.agent
> > [ 1384.260731] [ 1935] 0 1935 587 0 5 2
> > 31 0 bootlogd
> > [ 1384.288190] [ 2469] 0 2469 993 0 5 2
> > 262 -1000 udevd
> > [ 1384.314846] [ 2470] 0 2470 993 0 5 2
> > 261 -1000 udevd
> > [ 1384.341494] [ 3049] 0 3049 1538 1 6 2
> > 177 0 S13mountall.sh
> > [ 1384.370576] [ 3125] 0 3125 1718 0 7 2
> > 128 0 mount
> > [ 1384.397360] [15456] 0 15456 124 0 3 2
> > 10 -1000 sleep
> > [ 1384.424026] [15457] 0 15457 124 0 3 2
> > 12 -1000 sleep
> > [ 1384.450650] [15458] 0 15458 124 1 3 2
> > 10 -1000 sleep
> > [ 1384.477317] Out of memory: Kill process 3049 (S13mountall.sh) score 0 or
> > sacrifice child
> > [ 1384.502384] Killed process 3125 (mount) total-vm:6872kB, anon-rss:0kB,
> > file-rss:0kB, shmem-rss:0kB
> > [ 1384.535964] oom_reaper: reaped process 3125 (mount), now anon-rss:0kB,
> > file-rss:0kB, shmem-rss:0kB
> > [ 1384.573082] bcache_writebac invoked oom-killer:
> > gfp_mask=0x14000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0
> > [ 1384.607340] bcache_writebac cpuset=/ mems_allowed=0
> > [ 1384.623102] CPU: 0 PID: 2359 Comm: bcache_writebac Tainted: G U
> > 4.13.0-rc5-amd64-preempt-sysrq-20170406+ #1
> > [ 1384.656825] Hardware name: System manufacturer System Product
> > Name/P8H67-M PRO, BIOS 3904 04/27/2013
> > [ 1384.685361] Call Trace:
> > [ 1384.693823] dump_stack+0x61/0x7d
> > [ 1384.704866] dump_header+0x97/0x239
> > [ 1384.716086] ? _raw_spin_unlock_irqrestore+0x14/0x24
> > [ 1384.731697] oom_kill_process+0x86/0x379
> > [ 1384.744201] out_of_memory+0x3b8/0x416
> > [ 1384.756259] __alloc_pages_slowpath+0x890/0xa55
> > [ 1384.770536] ? _raw_spin_unlock_irq+0x11/0x21
> > [ 1384.784302] __alloc_pages_nodemask+0x141/0x1f5
> > [ 1384.798539] alloc_pages_current+0x8d/0x96
> > [ 1384.811465] bio_alloc_pages+0x29/0x6a
> > [ 1384.823334] bch_writeback_thread+0x53b/0x6ff [bcache]
> > [ 1384.839334] ? write_dirty+0x90/0x90 [bcache]
> > [ 1384.852984] kthread+0xfb/0x100
> > [ 1384.862970] ? init_completion+0x24/0x24
> > [ 1384.875285] ? do_fast_syscall_32+0xb7/0xfe
> > [ 1384.888368] ret_from_fork+0x25/0x30
> > [ 1384.899696] Mem-Info:
> > [ 1384.907064] active_anon:0 inactive_anon:2 isolated_anon:0
> > [ 1384.907064] active_file:189 inactive_file:273 isolated_file:0
> > [ 1384.907064] unevictable:0 dirty:0 writeback:0 unstable:0
> > [ 1384.907064] slab_reclaimable:3414 slab_unreclaimable:8053934
> > [ 1384.907064] mapped:1 shmem:2 pagetables:74 bounce:0
> > [ 1384.907064] free:32075 free_pcp:25 free_cma:3741
> > [ 1384.922833] kworker/6:1H: page allocation failure: order:0,
> > mode:0x1284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK), nodemask=(null)
> > [ 1384.922836] kworker/6:1H cpuset=/ mems_allowed=0
> > [ 1384.922840] CPU: 6 PID: 400 Comm: kworker/6:1H Tainted: G U
> > 4.13.0-rc5-amd64-preempt-sysrq-20170406+ #1
> > [ 1384.922841] Hardware name: System manufacturer System Product
> > Name/P8H67-M PRO, BIOS 3904 04/27/2013
> > [ 1384.922844] Workqueue: kblockd blk_mq_run_work_fn
> > [ 1384.922845] Call Trace:
> > [ 1384.922849] dump_stack+0x61/0x7d
> > [ 1384.922851] warn_alloc+0xfc/0x18c
> > [ 1384.922854] __alloc_pages_slowpath+0x9ca/0xa55
> > [ 1384.922856] ? __alloc_pages_slowpath+0x9ca/0xa55
> > [ 1384.922858] __alloc_pages_nodemask+0x141/0x1f5
> > [ 1384.922862] cache_grow_begin+0xa4/0x294
> > [ 1384.922863] fallback_alloc+0x154/0x196
> > [ 1384.922865] ? cache_grow_begin+0xa4/0x294
> > [ 1384.922867] ____cache_alloc_node+0xdd/0xe9
> > [ 1384.922869] kmem_cache_alloc+0x98/0x143
> > [ 1384.922873] sas_alloc_task+0x1d/0x32 [libsas]
> > [ 1384.922876] sas_ata_qc_issue+0x71/0x21c [libsas]
> > [ 1384.922878] ata_qc_issue+0x1fc/0x24c
> > [ 1384.922880] ? ata_scsi_write_same_xlat+0x2d1/0x2d1
> > [ 1384.922882] __ata_scsi_queuecmd+0x18f/0x1eb
> > [ 1384.922883] ata_sas_queuecmd+0x31/0x4d
> > [ 1384.922886] sas_queuecommand+0x83/0x1cf [libsas]
> > [ 1384.922889] ? blk_add_timer+0xcb/0x10f
> > [ 1384.922892] scsi_dispatch_cmd+0x141/0x210
> > [ 1384.922893] scsi_queue_rq+0x1c7/0x28f
> > [ 1384.922895] blk_mq_dispatch_rq_list+0x1a6/0x2cf
> > [ 1384.922896] ? find_next_bit+0xb/0xd
> > [ 1384.922899] blk_mq_sched_dispatch_requests+0x14e/0x1e7
> > [ 1384.922900] ? __switch_to+0x288/0x44b
> > [ 1384.922911] __blk_mq_run_hw_queue+0x4c/0x7f
> > [ 1384.922912] blk_mq_run_work_fn+0x2c/0x2e
> > [ 1384.922913] process_one_work+0x179/0x2a5
> > [ 1384.922915] ? rescuer_thread+0x273/0x273
> > [ 1384.922915] worker_thread+0x1a8/0x25b
> > [ 1384.922917] ? rescuer_thread+0x273/0x273
> > [ 1384.922917] kthread+0xfb/0x100
> > [ 1384.922918] ? init_completion+0x24/0x24
> > [ 1384.922919] ? do_fast_syscall_32+0xb7/0xfe
> > [ 1384.922920] ret_from_fork+0x25/0x30
> > [ 1384.922922] Mem-Info:
> > [ 1384.922924] active_anon:0 inactive_anon:2 isolated_anon:0
> > [ 1384.922924] active_file:199 inactive_file:263 isolated_file:0
> > [ 1384.922924] unevictable:0 dirty:0 writeback:0 unstable:0
> > [ 1384.922924] slab_reclaimable:3414 slab_unreclaimable:8055394
> > [ 1384.922924] mapped:1 shmem:2 pagetables:74 bounce:0
> > [ 1384.922924] free:30587 free_pcp:18 free_cma:3741
> > [ 1384.922926] Node 0 active_anon:0kB inactive_anon:8kB active_file:796kB
> > inactive_file:1052kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
> > mapped:4kB dirty:0kB writeback:0kB shmem:8kB shmem_thp: 0kB
> > shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB
> > all_unreclaimable? no
> > [ 1384.922926] Node 0 DMA free:15880kB min:32kB low:44kB high:56kB
> > active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB
> > unevictable:0kB writepending:0kB present:15964kB managed:15880kB
> > mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB
> > local_pcp:0kB free_cma:0kB
> > [ 1384.922928] lowmem_reserve[]: 0 3201 31832 31832 31832
> > [ 1384.922930] Node 0 DMA32 free:91392kB min:6788kB low:10064kB
> > high:13340kB active_anon:0kB inactive_anon:0kB active_file:56kB
> > inactive_file:56kB unevictable:0kB writepending:0kB present:3362068kB
> > managed:3296500kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB
> > free_pcp:72kB local_pcp:72kB free_cma:0kB
> > [ 1384.922932] lowmem_reserve[]: 0 0 28631 28631 28631
> > [ 1384.922933] Node 0 Normal free:15076kB min:60760kB low:90092kB
> > high:119424kB active_anon:0kB inactive_anon:8kB active_file:740kB
> > inactive_file:996kB unevictable:0kB writepending:0kB present:29874176kB
> > managed:29337252kB mlocked:0kB kernel_stack:8048kB pagetables:296kB
> > bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:14964kB
> > [ 1384.922935] lowmem_reserve[]: 0 0 0 0 0
> > [ 1384.922936] Node 0 DMA: 0*4kB 1*8kB (U) 0*16kB 0*32kB 2*64kB (U) 1*128kB
> > (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15880kB
> > [ 1384.922941] Node 0 DMA32: 2*4kB (UM) 3*8kB (ME) 4*16kB (UME) 5*32kB (ME)
> > 4*64kB (ME) 4*128kB (ME) 5*256kB (ME) 4*512kB (ME) 5*1024kB (ME) 4*2048kB
> > (UME) 18*4096kB (M) = 91392kB
> > [ 1384.922946] Node 0 Normal: 1*4kB (C) 0*8kB 1*16kB (C) 1*32kB (C) 1*64kB
> > (C) 0*128kB 0*256kB 1*512kB (C) 0*1024kB 1*2048kB (C) 3*4096kB (C) = 14964kB
> > [ 1384.922951] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
> > hugepages_size=2048kB
> > [ 1384.922951] 464 total pagecache pages
> > [ 1384.922953] 0 pages in swap cache
> > [ 1384.922954] Swap cache stats: add 1253, delete 1253, find 21/36
> > [ 1384.922954] Free swap = 15611132kB
> > [ 1384.922954] Total swap = 15616764kB
> > [ 1384.922955] 8313052 pages RAM
> > [ 1384.922955] 0 pages HighMem/MovableOnly
> > [ 1384.922955] 150644 pages reserved
> > [ 1384.922956] 4096 pages cma reserved
> > [ 1384.922956] 0 pages hwpoisoned
> > [ 1385.007958] ata17.00: exception Emask 0x0 SAct 0x10000 SErr 0x0 action
> > 0x0
> > [ 1385.007961] ata17.00: failed command: READ FPDMA QUEUED
> > [ 1385.007965] ata17.00: cmd 60/20:80:90:81:6f/00:00:35:01:00/40 tag 16 ncq
> > dma 16384 in
> > [ 1385.007965] res 40/00:78:10:2c:8d/00:00:f1:00:00/40 Emask 0x40
> > (internal error)
> > [ 1385.007966] ata17.00: status: { DRDY }
> > [ 1385.008982] ata17.00: Security Log not supported
> > [ 1385.010102] ata17.00: Security Log not supported
> > [ 1385.010104] ata17.00: configured for UDMA/133
> > [ 1385.010110] ata17: EH complete
> > [ 1385.010162] scsi_eh_10: page allocation failure: order:0,
> > mode:0x1284020(GFP_ATOMIC|__GFP_COMP|__GFP_NOTRACK), nodemask=(null)
> > [ 1385.010164] scsi_eh_10 cpuset=/ mems_allowed=0
> > [ 1385.010175] CPU: 6 PID: 409 Comm: scsi_eh_10 Tainted: G U
> > 4.13.0-rc5-amd64-preempt-sysrq-20170406+ #1
> > [ 1385.010175] Hardware name: System manufacturer System Product
> > Name/P8H67-M PRO, BIOS 3904 04/27/2013
> > [ 1385.010175] Call Trace:
> > [ 1385.010178] dump_stack+0x61/0x7d
> > [ 1385.010179] warn_alloc+0xfc/0x18c
> > [ 1385.010181] __alloc_pages_slowpath+0x9ca/0xa55
> > [ 1385.010182] ? __alloc_pages_slowpath+0x9ca/0xa55
> > [ 1385.010184] __alloc_pages_nodemask+0x141/0x1f5
> > [ 1385.010186] cache_grow_begin+0xa4/0x294
> > [ 1385.010187] fallback_alloc+0x154/0x196
> > [ 1385.010188] ? cache_grow_begin+0xa4/0x294
> > [ 1385.010189] ____cache_alloc_node+0xdd/0xe9
> > [ 1385.010191] kmem_cache_alloc+0x98/0x143
> > [ 1385.010193] sas_alloc_task+0x1d/0x32 [libsas]
> > [ 1385.010195] sas_ata_qc_issue+0x71/0x21c [libsas]
> > [ 1385.010196] ata_qc_issue+0x1fc/0x24c
> > [ 1385.010198] ? ata_scsi_write_same_xlat+0x2d1/0x2d1
> > [ 1385.010198] __ata_scsi_queuecmd+0x18f/0x1eb
> > [ 1385.010200] ata_sas_queuecmd+0x31/0x4d
> > [ 1385.010202] sas_queuecommand+0x83/0x1cf [libsas]
> > [ 1385.010203] ? blk_add_timer+0xcb/0x10f
> > [ 1385.010205] scsi_dispatch_cmd+0x141/0x210
> > [ 1385.010205] scsi_queue_rq+0x1c7/0x28f
> > [ 1385.010207] blk_mq_dispatch_rq_list+0x1a6/0x2cf
> > [ 1385.010208] blk_mq_sched_dispatch_requests+0x129/0x1e7
> > [ 1385.010209] __blk_mq_run_hw_queue+0x4c/0x7f
> > [ 1385.010210] __blk_mq_delay_run_hw_queue+0x5c/0xa2
> > [ 1385.010211] blk_mq_run_hw_queue+0x14/0x16
> > [ 1385.010212] blk_mq_run_hw_queues+0x2e/0x5e
> > [ 1385.010212] scsi_run_queue+0x236/0x2c1
> > [ 1385.010214] scsi_run_host_queues+0x1f/0x37
> > [ 1385.010215] scsi_error_handler+0x467/0x523
> > [ 1385.010216] ? __schedule+0x4f5/0x5c5
> > [ 1385.010217] ? scsi_eh_get_sense+0x1a9/0x1a9
> > [ 1385.010218] kthread+0xfb/0x100
> > [ 1385.010219] ? init_completion+0x24/0x24
> > [ 1385.010220] ret_from_fork+0x25/0x30
> > [ 1385.010260] ata17.00: exception Emask 0x0 SAct 0x20000 SErr 0x0 action
> > 0x0
> > [ 1385.010263] ata17.00: failed command: READ FPDMA QUEUED
> > [ 1385.010266] ata17.00: cmd 60/20:88:90:81:6f/00:00:35:01:00/40 tag 17 ncq
> > dma 16384 in
> > [ 1385.010266] res 50/00:01:30:00:00/00:00:00:00:00/a0 Emask 0x40
> > (internal error)
> > [ 1385.010267] ata17.00: status: { DRDY }
> > [ 1385.011259] ata17.00: Security Log not supported
> > [ 1385.012380] ata17.00: Security Log not supported
> > [ 1385.012382] ata17.00: configured for UDMA/133
> > [ 1385.012385] ata17: EH complete
> > [ 1385.335912] mount: page allocation failure: order:0,
> > mode:0x1604040(GFP_NOFS|__GFP_COMP|__GFP_NOTRACK), nodemask=(null)
> > [ 1385.335916] mount cpuset=/ mems_allowed=0
> > [ 1385.335920] CPU: 7 PID: 3125 Comm: mount Tainted: G U
> > 4.13.0-rc5-amd64-preempt-sysrq-20170406+ #1
> > [ 1385.335920] Hardware name: System manufacturer System Product
> > Name/P8H67-M PRO, BIOS 3904 04/27/2013
> > [ 1385.335921] Call Trace:
> > [ 1385.335927] dump_stack+0x61/0x7d
> > [ 1385.335930] warn_alloc+0xfc/0x18c
> > [ 1385.335933] ? call_timer_fn+0x140/0x140
> > [ 1385.335935] __alloc_pages_slowpath+0x9ca/0xa55
> > [ 1385.335939] __alloc_pages_nodemask+0x141/0x1f5
> > [ 1385.335943] cache_grow_begin+0xa4/0x294
> > [ 1385.335945] fallback_alloc+0x154/0x196
> > [ 1385.335946] ? cache_grow_begin+0xa4/0x294
> > [ 1385.335948] ____cache_alloc_node+0xdd/0xe9
> > [ 1385.335950] kmem_cache_alloc_trace+0xa0/0xfc
> > [ 1385.335953] add_tree_block+0x6a/0x1a1
> > [ 1385.335955] build_ref_tree_for_root+0x1aa/0x3c8
> > [ 1385.335956] btrfs_build_ref_tree+0x142/0x179
> > [ 1385.335958] open_ctree+0x19af/0x1ffe
> > [ 1385.335961] ? _raw_spin_unlock_bh+0x1a/0x1c
> > [ 1385.335964] btrfs_mount+0xa0e/0xb86
> > [ 1385.335965] ? btrfs_mount+0xa0e/0xb86
> > [ 1385.335967] ? find_next_bit+0xb/0xd
> > [ 1385.335970] mount_fs+0x67/0x111
> > [ 1385.335973] vfs_kern_mount+0x6b/0xd5
> > [ 1385.335974] btrfs_mount+0x1de/0xb86
> > [ 1385.335975] ? find_next_bit+0xb/0xd
> > [ 1385.335978] mount_fs+0x67/0x111
> > [ 1385.335979] vfs_kern_mount+0x6b/0xd5
> > [ 1385.335981] do_mount+0x6e9/0x987
> > [ 1385.335984] compat_SyS_mount+0x185/0x1ae
> > [ 1385.335986] do_fast_syscall_32+0xb7/0xfe
> > [ 1385.335988] entry_SYSENTER_compat+0x4c/0x5b
> > [ 1385.335990] RIP: 0023:0xf7f69c29
> > [ 1385.335991] RSP: 002b:00000000ffa6fed0 EFLAGS: 00000297 ORIG_RAX:
> > 0000000000000015
> > [ 1385.335992] RAX: ffffffffffffffda RBX: 0000000009877050 RCX:
> > 00000000098771e8
> > [ 1385.335993] RDX: 0000000009877370 RSI: 00000000c0ed0400 RDI:
> > 00000000098bd548
> > [ 1385.335993] RBP: 0000000000000000 R08: 0000000000000000 R09:
> > 0000000000000000
> > [ 1385.335994] R10: 0000000000000000 R11: 0000000000000000 R12:
> > 0000000000000000
> > [ 1385.335994] R13: 0000000000000000 R14: 0000000000000000 R15:
> > 0000000000000000
> > [ 1387.789938] Node 0 active_anon:588kB inactive_anon:300kB
> > active_file:3988kB inactive_file:1428kB unevictable:0kB isolated(anon):0kB
> > isolated(file):0kB mapped:2184kB dirty:0kB writeback:0kB shmem:8kB
> > shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB
> > unstable:0kB all_unreclaimable? yes
> > [ 1387.871500] Node 0 DMA free:0kB min:32kB low:44kB high:56kB
> > active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB
> > unevictable:0kB writepending:0kB present:15964kB managed:15880kB
> > mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB
> > local_pcp:0kB free_cma:0kB
> > [ 1387.949345] lowmem_reserve[]: 0 3201 31832 31832 31832
> > [ 1387.965376] Node 0 DMA32 free:621628kB min:6788kB low:10064kB
> > high:13340kB active_anon:0kB inactive_anon:0kB active_file:84kB
> > inactive_file:28kB unevictable:0kB writepending:0kB present:3362068kB
> > managed:3296500kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB
> > free_pcp:640kB local_pcp:0kB free_cma:0kB
> > [ 1388.049300] lowmem_reserve[]: 0 0 28631 28631 28631
> > [ 1388.064560] Node 0 Normal free:4812428kB min:60760kB low:90092kB
> > high:119424kB active_anon:588kB inactive_anon:300kB active_file:3904kB
> > inactive_file:1400kB unevictable:0kB writepending:0kB present:29874176kB
> > managed:29337252kB mlocked:0kB kernel_stack:8080kB pagetables:320kB
> > bounce:0kB free_pcp:4124kB local_pcp:420kB free_cma:11288kB
> > [ 1388.155296] lowmem_reserve[]: 0 0 0 0 0
> > [ 1388.167479] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB
> > 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
> > [ 1388.198947] Node 0 DMA32: 4430*4kB (U) 3580*8kB (U) 1883*16kB (U)
> > 1009*32kB (U) 17*64kB (U) 16*128kB (U) 12*256kB (U) 10*512kB (U) 17*1024kB
> > (U) 18*2048kB (U) 126*4096kB (U) = 690472kB
> > [ 1388.249622] Node 0 Normal: 71828*4kB (UC) 54033*8kB (UC) 34313*16kB (UC)
> > 21097*32kB (UC) 10342*64kB (U) 2801*128kB (UC) 201*256kB (UC) 96*512kB (UC)
> > 68*1024kB (U) 48*2048kB (UC) 457*4096kB (UC) = 5104520kB
> > [ 1388.305855] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
> > hugepages_size=2048kB
> > [ 1388.331978] 1467 total pagecache pages
> > [ 1388.344026] 111 pages in swap cache
> > [ 1388.355282] Swap cache stats: add 1465, delete 1354, find 364/553
> > [ 1388.374360] Free swap = 15611132kB
> > [ 1388.385607] Total swap = 15616764kB
> > [ 1388.396863] 8313052 pages RAM
> > [ 1388.406556] 0 pages HighMem/MovableOnly
> > [ 1388.418861] 150644 pages reserved
> > [ 1388.429595] 4096 pages cma reserved
> > [ 1388.440853] 0 pages hwpoisoned
> > [ 1388.450807] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds
> > swapents oom_score_adj name
> > [ 1388.477200] [ 983] 0 983 936 0 6 2
> > 32 0 init
> > [ 1388.503586] [ 984] 0 984 941 1 5 2
> > 98 0 rc
> > [ 1388.529456] [ 1103] 0 1103 920 1 5 2
> > 188 -1000 udevd
> > [ 1388.556123] [ 1311] 0 1311 925 443 5 2
> > 24 -1000 net.agent
> > [ 1388.583800] [ 1352] 0 1352 925 441 5 2
> > 26 -1000 net.agent
> > [ 1388.611490] [ 1703] 0 1703 926 442 5 2
> > 26 -1000 net.agent
> > [ 1388.639176] [ 1935] 0 1935 587 0 5 2
> > 31 0 bootlogd
> > [ 1388.666611] [ 2469] 0 2469 993 0 5 2
> > 262 -1000 udevd
> > [ 1388.693254] [ 2470] 0 2470 993 0 5 2
> > 261 -1000 udevd
> > [ 1388.719913] [ 3049] 0 3049 1538 1 6 2
> > 177 0 S13mountall.sh
> > [ 1388.748886] [ 3125] 0 3125 1718 0 7 2
> > 0 0 mount
> > [ 1388.775570] [15483] 0 15483 558 141 5 2
> > 0 -1000 sleep
> > [ 1388.802207] [15484] 0 15484 558 146 4 2
> > 0 -1000 sleep
> > [ 1388.828828] [15485] 0 15485 558 145 5 2
> > 0 -1000 sleep
> > [ 1388.855456] Out of memory: Kill process 3049 (S13mountall.sh) score 0 or
> > sacrifice child
> >
> > And hopefully totally unrelated (but maybe not), after the boot continues,
> > it
> > crashes with:
> > [ 1523.299228] Kernel panic - not syncing: stack-protector: Kernel stack is
> > corrupted in: ffffffffbd1d4c2c
> > [ 1523.299228]
> > [ 1523.334262] CPU: 2 PID: 19932 Comm: avahi-daemon Tainted: G U
> > 4.13.0-rc5-amd64-preempt-sysrq-20170406+ #1
> > [ 1523.367142] Hardware name: System manufacturer System Product
> > Name/P8H67-M PRO, BIOS 3904 04/27/2013
> > [ 1523.395339] Call Trace:
> > [ 1523.403515] dump_stack+0x61/0x7d
> > [ 1523.414266] panic+0xe7/0x235
> > [ 1523.423982] ? compat_core_sys_select+0x25b/0x26d
> > [ 1523.438878] __stack_chk_fail+0x19/0x19
> > [ 1523.451168] compat_core_sys_select+0x25b/0x26d
> > [ 1523.465552] ? compat_SyS_select+0xe/0x10
> > [ 1523.478358] ? do_fast_syscall_32+0xb7/0xfe
> > [ 1523.491698] ? entry_SYSENTER_compat+0x4c/0x5b
> > [ 1523.505858] Kernel Offset: 0x3c000000 from 0xffffffff81000000
> > (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
> > [ 1523.538981] Rebooting in 20 seconds..
> >
> > I did add stack-protector in 4.13, and it seems to be finding an unrelated
> > bug.
> >
> > Marc
> > --
> > "A mouse is a device used to point at the xterm you want to type in" -
> > A.S.R.
> > Microsoft is to operating systems ....
> > .... what McDonalds is to gourmet
> > cooking
> > Home page:
> > https://urldefense.proofpoint.com/v2/url?u=http-3A__marc.merlins.org_&d=DwIBAg&c=5VD0RTtNlTh3ycd41b3MUw&r=sDzg6MvHymKOUgI8SFIm4Q&m=mDvpdGkRxdLklN-yVzuqr1omzWlRYVI9TzvOASUue9Q&s=rb6VESzi-2sFH_z_ODWKQ5tQtta83EITuT_KaHE7jIs&e=
> > | PGP 1024R/763BE901
> --
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