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From: Teresa Remmet <t.remmet@phytec.de>
To: barebox@lists.infradead.org
Subject: Transferring files over tftp
Date: Thu, 15 Nov 2018 16:24:18 +0100	[thread overview]
Message-ID: <1542295458.2675.12.camel@phytec.de> (raw)

Hello,

I am facing tftp issues when trying to transfer files > 2GB. This ends up in a crash:

barebox@Phytec phyCORE AM335x:/ cp /mnt/tftp/2GB_plus_1M .
eth0: 100Mbps full duplex link detected
T T T T T T T T T T T T T T read: Connection timed out
unable to handle paging request at address 0x200d319a
pc : [<9fe0587a>]    lr : [<9fe058cb>]
sp : 9ffef810  ip : ffffffff  fp : 9004d4d0
r10: 00000000  r9 : 9004e410  r8 : 00000006
r7 : 00000000  r6 : 8fefeec0  r5 : a79cdbf6  r4 : 200d318e
r3 : 0000001a  r2 : 00000019  r1 : 9004f40c  r0 : 8fefeec0
Flags: nzCv  IRQs off  FIQs on  Mode SVC_32
[<9fe0587a>] (remove_free_block+0xe/0x3e) from [<9fe058cb>] (block_remove+0x21/0x24)
[<9fe058cb>] (block_remove+0x21/0x24) from [<9fe058eb>] (block_merge_next+0x1d/0x34)
[<9fe058eb>] (block_merge_next+0x1d/0x34) from [<9fe05b73>] (tlsf_free+0x55/0x62)
[<9fe05b73>] (tlsf_free+0x55/0x62) from [<9fe408e7>] (copy_file+0x77/0x13c)
[<9fe408e7>] (copy_file+0x77/0x13c) from [<9fe33c41>] (do_cp+0x101/0x124)
[<9fe33c41>] (do_cp+0x101/0x124) from [<9fe0318d>] (execute_command+0x21/0x48)
[<9fe0318d>] (execute_command+0x21/0x48) from [<9fe07c81>] (run_list_real+0x5a9/0x608)
[<9fe07c81>] (run_list_real+0x5a9/0x608) from [<9fe075dd>] (parse_stream_outer+0x105/0x1
5c)
[<9fe075dd>] (parse_stream_outer+0x105/0x15c) from [<9fe07ea3>] (run_shell+0x33/0x60)
[<9fe07ea3>] (run_shell+0x33/0x60) from [<9fe0318d>] (execute_command+0x21/0x48)
[<9fe0318d>] (execute_command+0x21/0x48) from [<9fe07c81>] (run_list_real+0x5a9/0x608)
[<9fe07c81>] (run_list_real+0x5a9/0x608) from [<9fe0796d>] (run_list_real+0x295/0x608)

[<9fe5603d>] (unwind_backtrace+0x1/0x58) from [<9fe00cf1>] (panic+0x1d/0x34)
[<9fe00cf1>] (panic+0x1d/0x34) from [<9fe543ad>] (do_exception+0xd/0x10)
[<9fe543ad>] (do_exception+0xd/0x10) from [<9fe5440d>] (do_data_abort+0x21/0x2c)
[<9fe5440d>] (do_data_abort+0x21/0x2c) from [<9fe54134>] (do_abort_6+0x48/0x54)

Copying a file <2GB works even without timeouts.

Causing this seems to be commit:

commit e3e55fa3aa698bb92fa4362a36e102749c13c124
Author: Sascha Hauer <s.hauer@pengutronix.de>
Date:   Thu Aug 30 12:27:00 2018 +0200

    fs: tftp: improve file size handling
    
    Previously we used FILE_SIZE_STREAM unconditionally. Instead, fill the
    inode size with a valid filesize if we have one and only if not fall
    back to FILE_SIZE_STREAM.

Reverting the commit reveals a second issue. After 2GB the transfer breaks up silently.
Maybe some overflow? Any idea where to look at this further?

Thanks,
Teresa

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             reply	other threads:[~2018-11-15 15:24 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-15 15:24 Teresa Remmet [this message]
2018-11-16  7:32 ` Transferring files over tftp Sascha Hauer
2018-11-20 13:46   ` Teresa Remmet
2018-11-29  8:14   ` Teresa Remmet
2018-11-29 11:02     ` Sascha Hauer

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