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Subject: Re: [RFC PATCH 1/2] mm, vmscan: account the number of isolated pages per zone
From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
References: <201702031957.AGH86961.MLtOQVFOSHJFFO@I-love.SAKURA.ne.jp>
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        <20170203172403.GG45388@bfoster.bfoster>
        <201702061529.ABC60444.FFFJOOHLVQSMtO@I-love.SAKURA.ne.jp>
        <20170206143533.GC57865@bfoster.bfoster>
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Brian Foster wrote:
> > The workload is to write to a single file on XFS from 10 processes demonstrated at
> > http://lkml.kernel.org/r/201512052133.IAE00551.LSOQFtMFFVOHOJ@I-love.SAKURA.ne.jp
> > using "while :; do ./oom-write; done" loop on a VM with 4CPUs / 2048MB RAM.
> > With this XFS_FILBLKS_MIN() change applied, I no longer hit assertion failures.
> > 
> 
> Thanks for testing. Well, that's an interesting workload. I couldn't
> reproduce on a few quick tries in a similarly configured vm.

It takes 10 to 15 minutes. Maybe some size threshold involved?

> /tmp/file _is_ on an XFS filesystem in your test, correct? If so and if
> you still have the output file from a test that reproduced, could you
> get the 'xfs_io -c "fiemap -v" <file>' output?

Here it is.

[  720.199748] 0 pages HighMem/MovableOnly
[  720.199749] 150524 pages reserved
[  720.199749] 0 pages cma reserved
[  720.199750] 0 pages hwpoisoned
[  722.187335] XFS: Assertion failed: oldlen > newlen, file: fs/xfs/libxfs/xfs_bmap.c, line: 2867
[  722.201784] ------------[ cut here ]------------
[  722.205940] WARNING: CPU: 0 PID: 4877 at fs/xfs/xfs_message.c:105 asswarn+0x33/0x40 [xfs]
[  722.212333] Modules linked in: nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp crct10dif_pclmul vmw_vsock_vmci_transport crc32_pclmul ghash_clmulni_intel vsock aesni_intel crypto_simd cryptd glue_helper ppdev vmw_balloon pcspkr sg parport_pc i2c_piix4 shpchp vmw_vmci parport ip_tables xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi crc32c_intel serio_raw vmwgfx drm_kms_helper syscopyarea sysfillrect
[  722.243207]  sysimgblt fb_sys_fops mptspi scsi_transport_spi ata_piix ahci ttm mptscsih libahci drm libata mptbase e1000 i2c_core
[  722.247704] CPU: 0 PID: 4877 Comm: write Not tainted 4.10.0-rc6-next-20170202 #498
[  722.250612] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015
[  722.254089] Call Trace:
[  722.255751]  dump_stack+0x85/0xc9
[  722.257650]  __warn+0xd1/0xf0
[  722.259420]  warn_slowpath_null+0x1d/0x20
[  722.261434]  asswarn+0x33/0x40 [xfs]
[  722.263356]  xfs_bmap_add_extent_hole_delay+0xb7f/0xdf0 [xfs]
[  722.265695]  xfs_bmapi_reserve_delalloc+0x297/0x440 [xfs]
[  722.267792]  ? xfs_ilock+0x1c9/0x360 [xfs]
[  722.269559]  xfs_file_iomap_begin+0x880/0x1140 [xfs]
[  722.271606]  ? iomap_write_end+0x80/0x80
[  722.273377]  iomap_apply+0x6c/0x130
[  722.274969]  iomap_file_buffered_write+0x68/0xa0
[  722.276702]  ? iomap_write_end+0x80/0x80
[  722.278311]  xfs_file_buffered_aio_write+0x132/0x390 [xfs]
[  722.280394]  ? _raw_spin_unlock+0x27/0x40
[  722.282247]  xfs_file_write_iter+0x90/0x130 [xfs]
[  722.284257]  __vfs_write+0xe5/0x140
[  722.285924]  vfs_write+0xc7/0x1f0
[  722.287536]  ? syscall_trace_enter+0x1d0/0x380
[  722.289490]  SyS_write+0x58/0xc0
[  722.291025]  do_int80_syscall_32+0x6c/0x1f0
[  722.292671]  entry_INT80_compat+0x38/0x50
[  722.294298] RIP: 0023:0x8048076
[  722.295684] RSP: 002b:00000000ffedf840 EFLAGS: 00000202 ORIG_RAX: 0000000000000004
[  722.298075] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000008048000
[  722.300516] RDX: 0000000000001000 RSI: 0000000000000000 RDI: 0000000000000000
[  722.302902] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  722.305278] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  722.307567] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  722.309792] ---[ end trace 5b7012eeb84093b7 ]---
[  732.650867] oom_reaper: reaped process 4876 (oom-write), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB

# ls -l /tmp/file
-rw------- 1 kumaneko kumaneko 43426648064 Feb  7 19:25 /tmp/file
# xfs_io -c "fiemap -v" /tmp/file
/tmp/file:
 EXT: FILE-OFFSET          BLOCK-RANGE            TOTAL FLAGS
   0: [0..262015]:         358739712..359001727  262016   0x0
   1: [262016..524159]:    367651920..367914063  262144   0x0
   2: [524160..1048447]:   385063864..385588151  524288   0x0
   3: [1048448..1238031]:  463702512..463892095  189584   0x0
   4: [1238032..3335167]:  448234520..450331655 2097136   0x0
   5: [3335168..4769775]:  36165320..37599927   1434608   0x0
   6: [4769776..6897175]:  31677984..33805383   2127400   0x0
   7: [6897176..15285759]: 450331656..458720239 8388584   0x0
   8: [15285760..18520255]: 237497528..240732023 3234496   0x0
   9: [18520256..21063607]: 229750248..232293599 2543352   0x0
  10: [21063608..25257855]: 240732024..244926271 4194248   0x0
  11: [25257856..29452159]: 179523440..183717743 4194304   0x0
  12: [29452160..30380031]: 171930952..172858823  927872   0x0
  13: [30380032..31428607]: 185220160..186268735 1048576   0x0
  14: [31428608..32667751]: 232293600..233532743 1239144   0x0
  15: [32667752..38474351]: 172858824..178665423 5806600   0x0
  16: [38474352..39157119]: 188137184..188819951  682768   0x0
  17: [39157120..40205695]: 234837584..235886159 1048576   0x0
  18: [40205696..42302847]: 33805384..35902535   2097152   0x0
  19: [42302848..44188591]: 37599928..39485671   1885744   0x0
  20: [44188592..45112703]: 446735416..447659527  924112   0x0
  21: [45112704..45436343]: 445337184..445660823  323640   0x0
  22: [45436344..45960575]: 447659528..448183759  524232   0x0
  23: [45960576..46484863]: 463892096..464416383  524288   0x0
  24: [46484864..47533439]: 445660824..446709399 1048576   0x0
  25: [47533440..48541959]: 233532744..234541263 1008520   0x0
  26: [48541960..49294175]: 523533736..524285951  752216   0x0
  27: [49294176..49630591]: 376080552..376416967  336416   0x0
  28: [49630592..50154879]: 129846752..130371039  524288   0x0
  29: [50154880..50844383]: 244926272..245615775  689504   0x0
  30: [50844384..51203455]: 250812112..251171183  359072   0x0
  31: [51203456..51727743]: 259555424..260079711  524288   0x0
  32: [51727744..52295239]: 187350752..187918247  567496   0x0
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  40: [54971520..55364735]: 178998696..179391911  393216   0x0
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  42: [55868120..56370663]: 382896800..383399343  502544   0x0
  43: [56370664..56836311]: 464416384..464882031  465648   0x0
  44: [56836312..57085055]: 458720240..458968983  248744   0x0
  45: [57085056..57548743]: 92768112..93231799    463688   0x0
  46: [57548744..57871487]: 102724384..103047127  322744   0x0
  47: [57871488..58304623]: 124278664..124711799  433136   0x0
  48: [58304624..58526847]: 124712024..124934247  222224   0x0
  49: [58526848..58788991]: 125635832..125897975  262144   0x0
  50: [58788992..59203767]: 508031384..508446159  414776   0x0
  51: [59203768..59602871]: 109812624..110211727  399104   0x0
  52: [59602872..59992183]: 385736856..386126167  389312   0x0
  53: [59992184..60381311]: 237108384..237497511  389128   0x0
  54: [60381312..60756863]: 506355968..506731519  375552   0x0
  55: [60756864..61127487]: 186268736..186639359  370624   0x0
  56: [61127488..61490767]: 112848304..113211583  363280   0x0
  57: [61490768..61541503]: 113214200..113264935   50736   0x0
  58: [61541504..61904775]: 112246776..112610047  363272   0x0
  59: [61904776..62246247]: 106328512..106669983  341472   0x0
  60: [62246248..62571991]: 126075640..126401383  325744   0x0
  61: [62571992..62895759]: 108921744..109245511  323768   0x0
  62: [62895760..63219159]: 380153016..380476415  323400   0x0
  63: [63219160..63442047]: 381056248..381279135  222888   0x0
  64: [63442048..63704191]: 379768072..380030215  262144   0x0
  65: [63704192..64026847]: 108328888..108651543  322656   0x0
  66: [64026848..64342415]: 251387232..251702799  315568   0x0
  67: [64342416..64651407]: 183717744..184026735  308992   0x0
  68: [64651408..64947983]: 384092440..384389015  296576   0x0
  69: [64947984..65145983]: 381775560..381973559  198000   0x0
  70: [65145984..65408127]: 186914504..187176647  262144   0x0
  71: [65408128..65447943]: 125328232..125368047   39816   0x0
  72: [65447944..65690599]: 372579112..372821767  242656   0x0
  73: [65690600..65929863]: 130429664..130668927  239264   0x0
  74: [65929864..66168935]: 120951784..121190855  239072   0x0
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  76: [66402280..66633199]: 113372616..113603535  230920   0x0
  77: [66633200..66859943]: 115982256..116208999  226744   0x0
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  85: [68153904..68370703]: 117784232..118001031  216800   0x0
  86: [68370704..68586039]: 121997008..122212343  215336   0x0
  87: [68586040..68798855]: 379191840..379404655  212816   0x0
  88: [68798856..68983935]: 378690808..378875887  185080   0x0
  89: [68983936..69196727]: 90790848..91003639    212792   0x0
  90: [69196728..69409287]: 123091672..123304231  212560   0x0
  91: [69409288..69621503]: 377436856..377649071  212216   0x0
  92: [69621504..69828847]: 128990088..129197431  207344   0x0
  93: [69828848..70035391]: 497270968..497477511  206544   0x0
  94: [70035392..70241111]: 391898048..392103767  205720   0x0
  95: [70241112..70446207]: 260716672..260921767  205096   0x0
  96: [70446208..70507647]: 260079712..260141151   61440   0x0
  97: [70507648..70704255]: 245836040..246032647  196608   0x0
  98: [70704256..70906591]: 107009096..107211431  202336   0x0
  99: [70906592..71108807]: 389471224..389673439  202216   0x0
 100: [71108808..71309703]: 224305904..224506799  200896   0x0
 101: [71309704..71509487]: 388524632..388724415  199784   0x0
 102: [71509488..71707119]: 87983688..88181319    197632   0x0
 103: [71707120..71903015]: 236195680..236391575  195896   0x0
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 183: [84254304..84393663]: 89517888..89657247    139360   0x0
 184: [84393664..84532831]: 376569640..376708807  139168   0x0
 185: [84532832..84671975]: 108725224..108864367  139144   0x0
 186: [84671976..84810807]: 109637664..109776495  138832   0x0
 187: [84810808..84901119]: 110211736..110302047   90312   0x1

From mboxrd@z Thu Jan  1 00:00:00 1970
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Subject: Re: [RFC PATCH 1/2] mm, vmscan: account the number of isolated pages per zone
From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
References: <201702031957.AGH86961.MLtOQVFOSHJFFO@I-love.SAKURA.ne.jp>
	<20170203145009.GB19325@dhcp22.suse.cz>
	<20170203172403.GG45388@bfoster.bfoster>
	<201702061529.ABC60444.FFFJOOHLVQSMtO@I-love.SAKURA.ne.jp>
	<20170206143533.GC57865@bfoster.bfoster>
In-Reply-To: <20170206143533.GC57865@bfoster.bfoster>
Message-Id: <201702071930.EJJ69255.SQOMVLJOFtOHFF@I-love.SAKURA.ne.jp>
Date: Tue, 7 Feb 2017 19:30:54 +0900
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Content-Type: text/plain; charset=us-ascii
Sender: owner-linux-mm@kvack.org
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To: bfoster@redhat.com
Cc: mhocko@kernel.org, david@fromorbit.com, dchinner@redhat.com, hch@lst.de, mgorman@suse.de, viro@ZenIV.linux.org.uk, linux-mm@kvack.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, darrick.wong@oracle.com, linux-xfs@vger.kernel.org

Brian Foster wrote:
> > The workload is to write to a single file on XFS from 10 processes demonstrated at
> > http://lkml.kernel.org/r/201512052133.IAE00551.LSOQFtMFFVOHOJ@I-love.SAKURA.ne.jp
> > using "while :; do ./oom-write; done" loop on a VM with 4CPUs / 2048MB RAM.
> > With this XFS_FILBLKS_MIN() change applied, I no longer hit assertion failures.
> > 
> 
> Thanks for testing. Well, that's an interesting workload. I couldn't
> reproduce on a few quick tries in a similarly configured vm.

It takes 10 to 15 minutes. Maybe some size threshold involved?

> /tmp/file _is_ on an XFS filesystem in your test, correct? If so and if
> you still have the output file from a test that reproduced, could you
> get the 'xfs_io -c "fiemap -v" <file>' output?

Here it is.

[  720.199748] 0 pages HighMem/MovableOnly
[  720.199749] 150524 pages reserved
[  720.199749] 0 pages cma reserved
[  720.199750] 0 pages hwpoisoned
[  722.187335] XFS: Assertion failed: oldlen > newlen, file: fs/xfs/libxfs/xfs_bmap.c, line: 2867
[  722.201784] ------------[ cut here ]------------
[  722.205940] WARNING: CPU: 0 PID: 4877 at fs/xfs/xfs_message.c:105 asswarn+0x33/0x40 [xfs]
[  722.212333] Modules linked in: nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter coretemp crct10dif_pclmul vmw_vsock_vmci_transport crc32_pclmul ghash_clmulni_intel vsock aesni_intel crypto_simd cryptd glue_helper ppdev vmw_balloon pcspkr sg parport_pc i2c_piix4 shpchp vmw_vmci parport ip_tables xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi crc32c_intel serio_raw vmwgfx drm_kms_helper syscopyarea sysfillrect
[  722.243207]  sysimgblt fb_sys_fops mptspi scsi_transport_spi ata_piix ahci ttm mptscsih libahci drm libata mptbase e1000 i2c_core
[  722.247704] CPU: 0 PID: 4877 Comm: write Not tainted 4.10.0-rc6-next-20170202 #498
[  722.250612] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015
[  722.254089] Call Trace:
[  722.255751]  dump_stack+0x85/0xc9
[  722.257650]  __warn+0xd1/0xf0
[  722.259420]  warn_slowpath_null+0x1d/0x20
[  722.261434]  asswarn+0x33/0x40 [xfs]
[  722.263356]  xfs_bmap_add_extent_hole_delay+0xb7f/0xdf0 [xfs]
[  722.265695]  xfs_bmapi_reserve_delalloc+0x297/0x440 [xfs]
[  722.267792]  ? xfs_ilock+0x1c9/0x360 [xfs]
[  722.269559]  xfs_file_iomap_begin+0x880/0x1140 [xfs]
[  722.271606]  ? iomap_write_end+0x80/0x80
[  722.273377]  iomap_apply+0x6c/0x130
[  722.274969]  iomap_file_buffered_write+0x68/0xa0
[  722.276702]  ? iomap_write_end+0x80/0x80
[  722.278311]  xfs_file_buffered_aio_write+0x132/0x390 [xfs]
[  722.280394]  ? _raw_spin_unlock+0x27/0x40
[  722.282247]  xfs_file_write_iter+0x90/0x130 [xfs]
[  722.284257]  __vfs_write+0xe5/0x140
[  722.285924]  vfs_write+0xc7/0x1f0
[  722.287536]  ? syscall_trace_enter+0x1d0/0x380
[  722.289490]  SyS_write+0x58/0xc0
[  722.291025]  do_int80_syscall_32+0x6c/0x1f0
[  722.292671]  entry_INT80_compat+0x38/0x50
[  722.294298] RIP: 0023:0x8048076
[  722.295684] RSP: 002b:00000000ffedf840 EFLAGS: 00000202 ORIG_RAX: 0000000000000004
[  722.298075] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000008048000
[  722.300516] RDX: 0000000000001000 RSI: 0000000000000000 RDI: 0000000000000000
[  722.302902] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  722.305278] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  722.307567] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  722.309792] ---[ end trace 5b7012eeb84093b7 ]---
[  732.650867] oom_reaper: reaped process 4876 (oom-write), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB

# ls -l /tmp/file
-rw------- 1 kumaneko kumaneko 43426648064 Feb  7 19:25 /tmp/file
# xfs_io -c "fiemap -v" /tmp/file
/tmp/file:
 EXT: FILE-OFFSET          BLOCK-RANGE            TOTAL FLAGS
   0: [0..262015]:         358739712..359001727  262016   0x0
   1: [262016..524159]:    367651920..367914063  262144   0x0
   2: [524160..1048447]:   385063864..385588151  524288   0x0
   3: [1048448..1238031]:  463702512..463892095  189584   0x0
   4: [1238032..3335167]:  448234520..450331655 2097136   0x0
   5: [3335168..4769775]:  36165320..37599927   1434608   0x0
   6: [4769776..6897175]:  31677984..33805383   2127400   0x0
   7: [6897176..15285759]: 450331656..458720239 8388584   0x0
   8: [15285760..18520255]: 237497528..240732023 3234496   0x0
   9: [18520256..21063607]: 229750248..232293599 2543352   0x0
  10: [21063608..25257855]: 240732024..244926271 4194248   0x0
  11: [25257856..29452159]: 179523440..183717743 4194304   0x0
  12: [29452160..30380031]: 171930952..172858823  927872   0x0
  13: [30380032..31428607]: 185220160..186268735 1048576   0x0
  14: [31428608..32667751]: 232293600..233532743 1239144   0x0
  15: [32667752..38474351]: 172858824..178665423 5806600   0x0
  16: [38474352..39157119]: 188137184..188819951  682768   0x0
  17: [39157120..40205695]: 234837584..235886159 1048576   0x0
  18: [40205696..42302847]: 33805384..35902535   2097152   0x0
  19: [42302848..44188591]: 37599928..39485671   1885744   0x0
  20: [44188592..45112703]: 446735416..447659527  924112   0x0
  21: [45112704..45436343]: 445337184..445660823  323640   0x0
  22: [45436344..45960575]: 447659528..448183759  524232   0x0
  23: [45960576..46484863]: 463892096..464416383  524288   0x0
  24: [46484864..47533439]: 445660824..446709399 1048576   0x0
  25: [47533440..48541959]: 233532744..234541263 1008520   0x0
  26: [48541960..49294175]: 523533736..524285951  752216   0x0
  27: [49294176..49630591]: 376080552..376416967  336416   0x0
  28: [49630592..50154879]: 129846752..130371039  524288   0x0
  29: [50154880..50844383]: 244926272..245615775  689504   0x0
  30: [50844384..51203455]: 250812112..251171183  359072   0x0
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  32: [51727744..52295239]: 187350752..187918247  567496   0x0
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  41: [55364736..55868119]: 392669176..393172559  503384   0x0
  42: [55868120..56370663]: 382896800..383399343  502544   0x0
  43: [56370664..56836311]: 464416384..464882031  465648   0x0
  44: [56836312..57085055]: 458720240..458968983  248744   0x0
  45: [57085056..57548743]: 92768112..93231799    463688   0x0
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  47: [57871488..58304623]: 124278664..124711799  433136   0x0
  48: [58304624..58526847]: 124712024..124934247  222224   0x0
  49: [58526848..58788991]: 125635832..125897975  262144   0x0
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  52: [59602872..59992183]: 385736856..386126167  389312   0x0
  53: [59992184..60381311]: 237108384..237497511  389128   0x0
  54: [60381312..60756863]: 506355968..506731519  375552   0x0
  55: [60756864..61127487]: 186268736..186639359  370624   0x0
  56: [61127488..61490767]: 112848304..113211583  363280   0x0
  57: [61490768..61541503]: 113214200..113264935   50736   0x0
  58: [61541504..61904775]: 112246776..112610047  363272   0x0
  59: [61904776..62246247]: 106328512..106669983  341472   0x0
  60: [62246248..62571991]: 126075640..126401383  325744   0x0
  61: [62571992..62895759]: 108921744..109245511  323768   0x0
  62: [62895760..63219159]: 380153016..380476415  323400   0x0
  63: [63219160..63442047]: 381056248..381279135  222888   0x0
  64: [63442048..63704191]: 379768072..380030215  262144   0x0
  65: [63704192..64026847]: 108328888..108651543  322656   0x0
  66: [64026848..64342415]: 251387232..251702799  315568   0x0
  67: [64342416..64651407]: 183717744..184026735  308992   0x0
  68: [64651408..64947983]: 384092440..384389015  296576   0x0
  69: [64947984..65145983]: 381775560..381973559  198000   0x0
  70: [65145984..65408127]: 186914504..187176647  262144   0x0
  71: [65408128..65447943]: 125328232..125368047   39816   0x0
  72: [65447944..65690599]: 372579112..372821767  242656   0x0
  73: [65690600..65929863]: 130429664..130668927  239264   0x0
  74: [65929864..66168935]: 120951784..121190855  239072   0x0
  75: [66168936..66402279]: 372845976..373079319  233344   0x0
  76: [66402280..66633199]: 113372616..113603535  230920   0x0
  77: [66633200..66859943]: 115982256..116208999  226744   0x0
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  85: [68153904..68370703]: 117784232..118001031  216800   0x0
  86: [68370704..68586039]: 121997008..122212343  215336   0x0
  87: [68586040..68798855]: 379191840..379404655  212816   0x0
  88: [68798856..68983935]: 378690808..378875887  185080   0x0
  89: [68983936..69196727]: 90790848..91003639    212792   0x0
  90: [69196728..69409287]: 123091672..123304231  212560   0x0
  91: [69409288..69621503]: 377436856..377649071  212216   0x0
  92: [69621504..69828847]: 128990088..129197431  207344   0x0
  93: [69828848..70035391]: 497270968..497477511  206544   0x0
  94: [70035392..70241111]: 391898048..392103767  205720   0x0
  95: [70241112..70446207]: 260716672..260921767  205096   0x0
  96: [70446208..70507647]: 260079712..260141151   61440   0x0
  97: [70507648..70704255]: 245836040..246032647  196608   0x0
  98: [70704256..70906591]: 107009096..107211431  202336   0x0
  99: [70906592..71108807]: 389471224..389673439  202216   0x0
 100: [71108808..71309703]: 224305904..224506799  200896   0x0
 101: [71309704..71509487]: 388524632..388724415  199784   0x0
 102: [71509488..71707119]: 87983688..88181319    197632   0x0
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