Kern -- I would think that this issue would concern you...? How does the director use client-supplied data? Could an insane client cause the director to crash? Can this be prevented?
On Jul 28, 2006, at 4:45 PM, Jo Rhett wrote: > So I'm quoting from WAY back in the thread because it has relevant > information. > > We found the problem, and it had nothing to do with bacula. (Which > means that the Director code has a real flaw that can cause > segfaults.) > > The network card being used to back up the server was fried/frying/ > whatever. It took a long time to figure this out - we weren't > certain until we used a pci interrupt analyzer, and watched it go > haywire during a backup. > > I don't know what about bacula backups caused this interrupt fload > but rsync didn't do it. But it was clearly the card going nuts. A > replacement card solved the problem. > > But anyway -- to bring this back to bacula -- so a client goes insane > and starts sending nonsense to bacula (one assumes). What would make > the director crash with a segfault? > > Sadly, I've now lost my replication ability for this bug... > > On Jul 9, 2006, at 11:45 AM, Kern Sibbald wrote: >> The "Broken pipe" is a network error and is quite common if you are >> having >> networking problems. >> >> I've never seen the Director silently die as you say. >> >> The seg fault, is not good. However, I cannot do anything without >> the proper >> kind of information as indicated on the Support page as well as a >> traceback >> as described in the Kaboom chapter of the manual. If you have that >> information (traceback and your system info) and the problem is a >> seg fault, >> then please open a bug report in the bugs database. >> >> On Sunday 09 July 2006 18:07, Jo Rhett wrote: >>> * Resending this directly to you, since I've now sent it to the >>> list 4 >>> times. >>> >>> Okay, this is starting to drive me nuts. I have one system - same >>> OS, same >>> installed binary package, everything - that is causing the >>> director to >>> crash. I can't for the life of me figure out why. >>> >>> bacula logfile shows this: >>> >>> backup0-sd: Volume "clients-0001" previously written, moving to >>> end of >>> data. >>> triceratops-fd: Filesystem change prohibited. Will not >>> descend into >>> /dev >>> triceratops-fd: Filesystem change prohibited. Will not >>> descend into /d >>> triceratops-fd: Filesystem change prohibited. Will not >>> descend into >>> /var >>> 07-Jul 18:34 triceratops-fd: triceratops.2006-07-07_17.57.19 Fatal >>> error: >>> backup.c:500 Network send error to SD. ERR=Broken pipe >>> 07-Jul 18:34 backup0-dir: triceratops.2006-07-07_17.57.19 Error: >>> Bacula >>> 1.38.5 (18Jan06): 07-Jul-2006 18:34:48 >>> JobId: 9 >>> Job: triceratops.2006-07-07_17.57.19 >>> Backup Level: Full >>> Client: "triceratops-fd" >>> i386-portbld-freebsd6.0,freebsd,6.0-RELEASE FileSet: >>> "generic-unix" 2006-07-05 14:49:53 >>> Pool: "clients_Pool" >>> Storage: "Disk_clients" >>> Scheduled time: 07-Jul-2006 17:57:13 >>> Start time: 07-Jul-2006 17:57:21 >>> End time: 07-Jul-2006 18:34:48 >>> Priority: 10 >>> FD Files Written: 127,760 >>> SD Files Written: 0 >>> FD Bytes Written: 673,071,788 >>> SD Bytes Written: 0 >>> Rate: 299.5 KB/s >>> Software Compression: None >>> Volume name(s): >>> Volume Session Id: 9 >>> Volume Session Time: 1152197183 >>> Last Volume Bytes: 1 >>> Non-fatal FD errors: 0 >>> SD Errors: 0 >>> FD termination status: Error >>> SD termination status: Running >>> Termination: *** Backup Error *** >>> >>> And shortly after logging this the director will silently die. >>> I'm very >>> confused. >>> >>> POSTNOTE: I noticed this morning that the error included >>> >>> 08-Jul 22:07 backup0-dir: Fatal Error because: Bacula interrupted >>> by signal >>> 11: Segmentation violation >> >> >> --------------------------------------------------------------------- >> - >> --- >> Using Tomcat but need to do more? Need to support web services, >> security? >> Get stuff done quickly with pre-integrated technology to make your >> job easier >> Download IBM WebSphere Application Server v.1.0.1 based on Apache >> Geronimo >> http://sel.as-us.falkag.net/sel? >> cmd=lnk&kid=120709&bid=263057&dat=121642 >> _______________________________________________ >> Bacula-users mailing list >> Bacula-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/bacula-users > > -- > Jo Rhett > senior geek > Silicon Valley Colocation > > > ---------------------------------------------------------------------- > --- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to > share your > opinions on IT & business topics through brief surveys -- and earn > cash > http://www.techsay.com/default.php? > page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > Bacula-users mailing list > Bacula-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bacula-users -- Jo Rhett senior geek Silicon Valley Colocation ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
