Re: Disable SCSI-Reservation at the driver level ?

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Hi !

> It's a modified linux kernel with hooks for a big binary module that takes
> over part of the control.  It's rather hard to argue that it's not a derived
> work.  Especially as they reuse various I/O subsystem of the kernel
> that has been parasited.


They have put their modified sources for download at http://www.vmware.com/download/vi/open_source.html

For recent version of ESX this is  http://download3.vmware.com/software/vi/VMware-esx-public-source-3.0.1-32039.tar.gz

which is:

VMware-esx-drivers-public-source-3.0.1-32039.tar.gz
VMware-esx-gpl-public-source-3.0.1-32039.tar.gz
VMware-esx-server-public-source-3.0.1-32039.tar.gz


which is:
# ls -la VMware-esx-drivers-public-source-3.0.1-32039/src/drivers/* |wc -l
41

# ls -la VMware-esx-public-source-3.0.1-32039 
total 54
drwxr-xr-x   11 root root   360 Sep 27 01:51 .
drwxrwxrwt  188 root root 23896 Nov 27 19:18 ..
-r--r--r--    1 root root 18003 Sep 27 01:51 COPYING
-r--r--r--    1 root root   832 Sep 27 01:51 README
drwxr-xr-x    2 root root  3656 Sep 27 01:51 include
drwxr-xr-x    4 root root   120 Sep 27 01:51 installer
drwxr-xr-x    2 root root  2144 Sep 27 01:51 linux-iscsi
drwxr-xr-x    2 root root    88 Sep 27 01:51 pixops-2.0
drwxr-xr-x    2 root root   136 Sep 27 01:51 ramcheck
drwxr-xr-x    2 root root    88 Sep 27 01:51 uwglibc-2.2.5
drwxr-xr-x    2 root root  1008 Sep 27 01:51 vmkiscsi-util
drwxr-xr-x    2 root root   624 Sep 27 01:51 vmklinux
drwxr-xr-x    2 root root   128 Sep 27 01:51 vmkload_mod

# tar tzvf VMware-esx-gpl-public-source-3.0.1-32039.tar.gz
booty-0.31.1-5.src.rpm
busybox-0.60.5-11.src.rpm
initscripts-7.31.30.EL-13vmw.src.rpm
iputils-20020927-11.30.4vmw.src.rpm
kudzu-1.1.22.14-4.1.4.src.rpm
mingetty-1.06-2vmw.src.rpm
mkinitrd-3.5.13-16.src.rpm
openssh-3.6.1p2-33.30.9vmw.src.rpm
pam_passwdqc-1.0.2-1.src.rpm
parted-1.6.3-48vmw.src.rpm
pixops-2.0.tar.gz
procmail-3.22-10vmw.src.rpm
redhat-config-keyboard-1.1.4-2.src.rpm
rhpl-0.110.6-2.src.rpm
rpm-4.2.3-26vmw.src.rpm
samba-3.0.9-1.3E.10vmw.src.rpm
shadow-utils-4.0.3-22.03.src.rpm
util-linux-2.11y-31.12vmw.src.rpm
util-linux-2.11y-31.14vmw.src.rpm
vmware-hwdata-1.00-6vmw.src.rpm
vmware-release-3-3vmw.src.rpm
yum-2.0.7-3vmw.src.rpm


So they have re-distributed the sources of all kernel-code/tools they have modified for their product.

I cannot judge, if this is really complete download or if there is missing some or some thousands of lines, but if there is no proof that there is missing a line, i don`t really understand why there is any issue with this.

The GPL allows modification and even sale of  GPL`ed protected code or. It just enforces derived code being GPL`ed, too.

Ok, maybe half of their product is standing on the shoulders of giants (i.e kernel hackers and not people working for vmware) and they don`t tell everyone - but this is the same with half of the world`s DSL-routers.

i`m not sure, but do you just mean:

"they take everything from us, making millions of dollars, but they don`t give anything (real) back to us because the modified sources are more or less useless for the rest of the world...."

???
 
Hey, come on - even if you are right with this - all i wanted to know is how to modify their product so it works for me as i want it to work. That`s why i like freedom of open-source and why i dislike closed-source. I`d happily switch to XEN, but unfortunately XEN is no option for now....

Am i sort of a traitor now , becoming ostracized ?

roland





> -----Ursprüngliche Nachricht-----
> Von: Christoph Hellwig <hch@xxxxxxxxxxxxx>
> Gesendet: 27.11.06 18:19:24
> An: devzero@xxxxxx
> CC: Christoph Hellwig <hch@xxxxxxxxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx
> Betreff: Re: Disable SCSI-Reservation at the driver level ?


> On Mon, Nov 27, 2006 at 10:45:42AM +0100, devzero@xxxxxx wrote:
> > > And more.  It's in fact one of the most blatant violations of the
> > > Linux 2.4 kernel copyrights.  Don't expect support if you use such
> > > an illegal product.
> > 
> > really?
> > this is the first time i hear that ESX is an "illegal" product from the point of view of the kernel community.
> > afaik, the esx kernel (vmnix) is a completely different product and for example, the source of the linux drivers they have modified to run under ESX are made available for download, as GPL tells them to do.
> > 
> > what`s the problem here?
> 
> It's a modified linux kernel with hooks for a big binary module that takes
> over part of the control.  It's rather hard to argue that it's not a derived
> work.  Especially as they reuse various I/O subsystem of the kernel
> that has been parasited.
> 
> > can you provide a link to some thread where this has been discussed?
> 
> I don't think so.
> 
> > something to be resolved with the help of gpl-violations.org ?
> 
> I haven't found any evidence that they are using enough code that
> gpl-violations.org has the right to defend.
> 


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