Date: Sat, 21 Jul 2007 10:30:52 -0500 From: <lists@avioc.org> To: Pascal Hofstee <caelian@gmail.com> Cc: current <current@freebsd.org>, "Boris S." <bst2006@dva.dyndns.org>, Brian Donnell <bdonnell@gmail.com> Subject: Re: ZFS vs Samba Debugging Results ... Need Help. Message-ID: <d6eea6627feb085a7009c9d85916d3f9@mail.internal.avioc.org> In-Reply-To: <1183674495.75595.14.camel@worf> References: <1183674495.75595.14.camel@worf>
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On Fri, 06 Jul 2007 00:28:15 +0200, Pascal Hofstee <caelian@gmail.com> wrote: > Hi, > > I did some addititional debugging and adding a small workaround to > smbd/vfs.c making the function vfs_readdirname() return ptr->d_name > directly instead of relying on the temporary variable dname gets the > code properly skipping the "." and ".." entries. > Have any other work arounds for this issue been found? - other than deleting the repdir_get* files as noted by Brian? Are there any consequences to removing the files that I don't want to run into? >>From that point on the code enters into a new problem area which can be > observed in the backtrace posted at http://pastebin.ca/604961 > > Joe Marcus Clarke helped me out further with debugging this problem and > we have come to the conclusion that the following assertion in samba's > telldir() implementation located in lib/replace/repdir_getdirentries.c > does not hold true on ZFS directories (marcus mentioned something about > lseek() behaving differently on ZFS than it does on UFS): > > if (d->seekpos & (DIR_BUF_SIZE-1)) { > abort(); > } > > Marcus was so kind to put up a simple test case at > http://www.marcuscom.com/downloads/samba_zfs.c > > Change main() to point to a ZFS directory, and watch it crash. > Then point to a UFS directory, and it works. > The seekpos is printed each time. > > Hopefully this will be enough information to get us to figure out a > workable solution here. > > -- > Pascal Hofstee > > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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