[Bug 1937] New: timeout in data send/receive

[samba-bugs at samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=1937

           Summary: timeout in data send/receive
           Product: rsync
           Version: 2.6.2
          Platform: Sparc
        OS/Version: Solaris
            Status: NEW
          Severity: normal
          Priority: P3
         Component: core
        AssignedTo: wayned at samba.org
        ReportedBy: ade.rixon at big-bubbles.fluff.org
         QAContact: rsync-qa at samba.org


Using rsync with SSH 3.9p1 on Solaris 8 to transfer files from a series of hosts
in a script. We see random timeout errors on every run since updating to 2.6.2
from 2.6.0:
rsync error: timeout in data send/receive (code 30) at io.c(143)
rsync: connection unexpectedly closed (147189 bytes read so far)
rsync error: error in rsync protocol data stream (code 12) at io.c(342)
rsync: connection unexpectedly closed (701 bytes read so far)
rsync error: error in rsync protocol data stream (code 12) at io.c(342)

Running rsync with:
SSH='ssh -oCipher=blowfish-cbc'
rsync -azq -e "${SSH}" --timeout=60 host:/dir/ /localdir/

Here's the end of a truss on the remote side:
8050:   write(1, "FC0F\007E3 ~ { z z sFADD".., 4096)    = 4096
8050:   time()                                          = 1097834603
8050:   poll(0xFFBE6058, 1, 60000)      (sleeping...)
8050:   poll(0xFFBE6058, 1, 60000)                      = 0
8050:   time()                                          = 1097834663
8050:   sigaction(SIGUSR1, 0xFFBE5F50, 0xFFBE5FD0)      = 0
8050:   sigaction(SIGUSR2, 0xFFBE5F50, 0xFFBE5FD0)      = 0
8050:   poll(0xFFBE48A0, 1, 60000)      (sleeping...)
8050:   poll(0xFFBE48A0, 1, 60000)                      = 0
8050:   time()                                          = 1097834723
8050:   sigaction(SIGUSR1, 0xFFBE4798, 0xFFBE4818)      = 0
8050:   sigaction(SIGUSR2, 0xFFBE4798, 0xFFBE4818)      = 0
8050:   poll(0xFFBE30E8, 1, 60000)      (sleeping...)
8050:   poll(0xFFBE30E8, 1, 60000)                      = 1
8050:   write(1, " A\0\0\b r s y n c   e r".., 69)      = 69
8050:   time()                                          = 1097834738
8050:   llseek(0, 0, SEEK_CUR)                          Err#29 ESPIPE
8050:   _exit(30)

In this case, the transfer failed only a few files in.

This looks similar to bug #1476.

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