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From: "Stéphane Lesimple" <stephane_btrfs2@lesimple.fr>
To: fdmanana@gmail.com
Cc: "Craig Andrews" <candrews@integralblue.com>,
	"linux-btrfs" <linux-btrfs@vger.kernel.org>
Subject: Re: Regression in Linux 5.5.0-rc[1-5]: btrfs send/receive out of memory
Date: Mon, 27 Jan 2020 20:08:29 +0000	[thread overview]
Message-ID: <0a47ec399b812248c20be4933eaa6195@lesimple.fr> (raw)
In-Reply-To: <CAL3q7H4-3Mg2GUf2JMMFem77sSQR5opN9dxdvHz2kk1Qd=RD=A@mail.gmail.com>

>> # btrfs send -v /tank/backups/.snaps/incoming/sendme/ | pv 2>/dev/pts/23 | btrfs rec -E 0 /newfs/
>> At subvol /tank/backups/.snaps/incoming/sendme/
>> At subvol sendme
>> ERROR: failed to clone extents to retroarch/x86_64/cores/mednafen_saturn_libretro.dll: Invalid
>> argument
>> ERROR: failed to clone extents to retroarch/x86_64/cores/mednafen_saturn_libretro.dll: Invalid
>> argument
> 
> This is probably the same case for which I sent a fix last week:
> 
> https://patchwork.kernel.org/patch/11350129

This seems very likely, as there is indeed a hole in the middle of the file:

         0: ram    80000 disk(0) 25871fb42000:00000000-00080000 disk_sz    80000
     80000: ram    80000 disk(0) 258720475000:00000000-00080000 disk_sz    80000
    100000: ram    80000 disk(0) 2587215d4000:00000000-00080000 disk_sz    80000
    180000: ram    80000 disk(0) 258721654000:00000000-00080000 disk_sz    80000
    200000: ram    80000 disk(0) 25872177c000:00000000-00080000 disk_sz    80000
    280000: ram    80000 disk(0) 258722383000:00000000-00080000 disk_sz    80000
    300000: ram    80000 disk(0) 258722544000:00000000-00080000 disk_sz    80000
    380000: ram    80000 disk(0) 25871c3a8000:00000000-00080000 disk_sz    80000
    400000: ram    80000 disk(0) 25871c428000:00000000-00080000 disk_sz    80000
    480000: ram    80000 disk(0) 25871c548000:00000000-00080000 disk_sz    80000
    500000: ram    80000 disk(0) 25871cf02000:00000000-00080000 disk_sz    80000
    580000: ram    80000 disk(0) 25871cf82000:00000000-00080000 disk_sz    80000
    600000: ram    80000 disk(0) 25871d41f000:00000000-00080000 disk_sz    80000
    680000: ram    80000 disk(0) 25871d833000:00000000-00080000 disk_sz    80000
    700000: ram     b000 disk(0)  b9e86aeb000:00000000-0000b000 disk_sz     b000
    70b000: ram    11000 disk(0)            0:00000000-00011000 disk_sz        0 -- hole
    71c000: ram    80000 disk(0) 25871eb75000:00000000-00080000 disk_sz    80000
    79c000: ram     1000 disk(0)  a00b6523000:00000000-00001000 disk_sz     1000
    79d000: ram     1000 disk(0)  a00b6cf5000:00000000-00001000 disk_sz     1000
    79e000: ram     1000 disk(0)  a00b6cf5000:00000000-00001000 disk_sz     1000
    79f000: ram     1000 disk(0)  a00b6cf5000:00000000-00001000 disk_sz     1000
    7a0000: ram     1000 disk(0)  a00b6d42000:00000000-00001000 disk_sz     1000
    7a1000: ram     1000 disk(0)  a9573bfa000:00000000-00001000 disk_sz     6000
    7a2000: ram     1000 disk(0)  a9573bfa000:00000000-00001000 disk_sz     6000
    7a3000: ram     6000 disk(0)  a9573bfa000:00000000-00006000 disk_sz     6000
    7a9000: ram     1000 disk(0)  af4f6240000:00000000-00001000 disk_sz    2d000
    7aa000: ram     1000 disk(0)  af4f6240000:00000000-00001000 disk_sz    2d000
    7ab000: ram    2d000 disk(0)  af4f6240000:00000000-0002d000 disk_sz    2d000
    7d8000: ram     1000 disk(0) 1c8d313ba000:0001d000-0001e000 disk_sz    80000
    7d9000: ram    43000 disk(0)  a983253d000:00000000-00043000 disk_sz    43000
    81c000: ram    80000 disk(0) 258721f18000:00000000-00080000 disk_sz    80000
    89c000: ram    80000 disk(0) 258721f98000:00000000-00080000 disk_sz    80000
    91c000: ram    80000 disk(0) 258722018000:00000000-00080000 disk_sz    80000
    99c000: ram    80000 disk(0) 2587229a2000:00000000-00080000 disk_sz    80000
    a1c000: ram     d000 disk(0)  bfa6df44000:00000000-0000d000 disk_sz     e000
    a29000: ram     1000 disk(0) 130963b99000:00a29000-00a2a000 disk_sz   a2a000
file: mednafen_saturn_libretro.dll extents 29 disk size 21741568 logical size 10653836 ratio 0.49

Thanks!

-- 
Stéphane.

  reply	other threads:[~2020-01-27 20:08 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-13 12:41 Regression in Linux 5.5.0-rc[1-5]: btrfs send/receive out of memory Craig Andrews
2020-01-13 13:37 ` David Sterba
2020-01-13 14:48   ` Craig Andrews
2020-01-15 18:44     ` Craig Andrews
2020-01-21  2:18   ` Craig Andrews
2020-01-25 11:08     ` Stéphane Lesimple
2020-01-27 13:44       ` Filipe Manana
2020-01-27 20:08         ` Stéphane Lesimple [this message]
2020-01-28 14:46         ` Craig Andrews
2020-01-28 15:02           ` Filipe Manana
2020-01-28 15:05             ` Craig Andrews
2020-01-28 15:08               ` Filipe Manana
2020-01-28 17:33                 ` Filipe Manana
2020-01-28 17:31               ` David Sterba

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