Hi,

I'm having a bit of a problem on *some* servers concerning failed
backups with the error message:
lev # FAILED [spawn /bin/gzip: dup2 out: Bad file descriptor]

usually these failed backups are "successfully retried", but sometimes I
get the same error twice and the backup for the day fails completely.

This only happens on servers backing up windows clients via
smb-share/"smbclient" which are running amanda version 2.6.1p2. Servers
with Linux clients are not affected and other versions of amanda backing
up windows clients are also not affected. Additionally, as I said, this
does not happen all the time and not always with the same clients.

I verified amanda-user-access to /dev/null and I would rule out that the
file systems are suddenly corrupt on all these different servers.

I would like to know what this error message means and how to fix it or
maybe you can point me in the right direction.

If you need any more information, please tell me.
Thank you in advance,
Volker

some detailed output from sendbackup.*.debug (this time failed and then
retried successfully):
1270767389.972013: sendbackup: start: serverfqdn://ipaddr/backupshare$ lev 1
1270767389.972046: sendbackup: pipespawnv: stdoutfd is 50
1270767389.972078: sendbackup: Spawning "/bin/gzip /bin/gzip --fast" in
pipeline
1270767389.972196: sendbackup: gnutar: pid 24511:
/bin/gzip1270767389.972213: sendbackup: pid 24511: /bin/gzip --fast
1270767389.972347: sendbackup: critical (fatal): error [spawn /bin/gzip:
dup2 out: Bad file descriptor]
1270767389.972928: sendbackup: gnutar: backup of \\ipaddr\backupshare$
1270767389.973070: sendbackup: pipespawnv: stdoutfd is 6
1270767389.973188: sendbackup: Spawning "/usr/bin/smbclient smbclient
"\\\\ipaddr\\backupshare$" -U username -E -d0 -Tqcg -" in pipeline
1270767389.976787: sendbackup: Started index creator: "/bin/tar -tf -
2>/dev/null | sed -e 's/^\.//'"
1270767389.979324: sendbackup: gnutar: /usr/bin/smbclient: pid 24513
1270767389.979343: sendbackup: Started backup

software versions on affected servers:
the OS is Debian Lenny
amanda 2.6.1p2
gzip 1.3.12-6+lenny1
tar 1.20-1
smbclient 3.2.5-4lenny9

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