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Problem building vmnet module with om kernel [SOLVED]
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behd
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PostPosted: Thu May 06, 2004 2:17 pm    Post subject: Problem building vmnet module with om kernel [SOLVED] Reply with quote

Hie,

I'm having problem to compile the vmnet module (for vmware) with the unofficial release of openmosix kernel. I always get this error:

Code:

make: Entering directory `/tmp/vmware-config0/vmnet-only'
make: Leaving directory `/tmp/vmware-config0/vmnet-only'
Unable to make a vmnet module that can be loaded in the running kernel:
/tmp/vmware-config0/vmnet.o: unresolved symbol deputy_csum_partial_copy_to_user
/tmp/vmware-config0/vmnet.o:
Hint: You are trying to load a module without a GPL compatible license
      and it has unresolved symbols.  The module may be trying to access
      GPLONLY symbols but the problem is more likely to be a coding or
      user error.  Contact the module supplier for assistance, only they
      can help you.

There is probably a slight difference in the kernel configuration between the
set of C header files you specified and your running kernel.  You may want to
rebuild a kernel based on that directory, or specify another directory.


Already tried:
- fake GPL license when building modules [ Result: Yay, I can modprobe vmmon w/o warning about tainting my kernel but vmnet still have the same unresolved symbol]
- give a try to 2.4.26-openmosix (NB. I am running a 2.4.25-openmosix-r3) kernel but vmnet still have the same unresolved symbol
- give a try to a vanilla 2.4.25 kernel, yep both module compile and are inserted w/o problem
(but then the problem, is that I don't have OM anymore :( )

Conclusion:
It really seems to be a problem with OM patch... but I don't know how I could troubleshoot furhter...

If anyone can help, it's more than welcome... TIA !!!

[Edit] Ooops, I forgot to tell my version of vmware (if it can be of any use).
vmware-workstation 4.5.1.7568


Last edited by behd on Mon May 10, 2004 10:56 am; edited 1 time in total
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behd
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PostPosted: Mon May 10, 2004 10:54 am    Post subject: Reply with quote

okie solved thanks to petr:
http://www.vmware.com/community/thread.jspa?forumID=19&threadID=4437&messageID=24100#24100

Cheers and thanks to vmware community !

If someone is also using this kind of kernel with vmware, here's the patch I created:
-------------------cut here---
--- hpc/export.c 2004-04-26 09:40:40.000000000 +0200
+++ hpc/export.c 2004-05-10 11:14:44.000000000 +0200
@@ -17,6 +17,8 @@

EXPORT_SYMBOL(deputy_copy_to_user);
EXPORT_SYMBOL(deputy_copy_from_user);
+EXPORT_SYMBOL(deputy_csum_partial_copy_from_user);
+EXPORT_SYMBOL(deputy_csum_partial_copy_to_user);
EXPORT_SYMBOL(deputy_clear_user);
EXPORT_SYMBOL(deputy_strncpy_from_user);
EXPORT_SYMBOL(deputy_strnlen_user);

--- include/asm-i386/uaccess.h 2004-04-26 11:30:23.000000000 +0200
+++ include/asm-i386/uaccess.h 2004-05-10 11:52:05.000000000 +0200
@@ -95,6 +95,8 @@

extern unsigned long deputy_copy_from_user(void *, void *, unsigned long, int);
extern unsigned long deputy_copy_to_user(void *, void *, unsigned long, int);
+extern unsigned int deputy_csum_partial_copy_from_user(const char *, char *,int, int, int *);
+extern unsigned int deputy_csum_partial_copy_to_user(const char *, char *, int, int, int *);
extern unsigned long deputy_clear_user(void *, int, int);
extern long deputy_strncpy_from_user(char *, char *, int, int);
extern long deputy_strnlen_user(char *, long);
-------------------stop cutting---

As I have played with lot of files in the kernel sources, I hope that I did not modified other files... if it doesn't work for you let me know....
NB. notify me by mail: palclan AT host DOT sk
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tecknojunky
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PostPosted: Fri Nov 26, 2004 8:03 pm    Post subject: Reply with quote

Well, Googling deputy_csum_partial_copy_to_user will rank 1st the link to that patch submitted by Pter.

I think the patch should be added to the OM ebuild.

edit:I submitted a bug
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behd
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PostPosted: Sun Nov 28, 2004 7:21 pm    Post subject: Reply with quote

LoL my patch ranks first... Yay :D

> I think the patch should be added to the OM ebuild.
normally it has already been sent to openmosix-devel:
http://bugs.gentoo.org/show_bug.cgi?id=50622
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tecknojunky
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PostPosted: Sun Nov 28, 2004 11:27 pm    Post subject: Reply with quote

Ok, I changed my bug entry as a duplicate of yours.

Is there any one taking care of the OM ebuilds? Your bug is dating from last may... 6 months ago! 8O
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behd
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PostPosted: Tue Nov 30, 2004 8:44 am    Post subject: Reply with quote

Well normally Konstantin took care of that...

Quote:

------- Additional Comment #3 From Konstantin Arkhipov 2004-05-23 07:18 PST -------

Merged into migshm-testing patchset, sent to tab and to openmosix-devel@


------- Additional Comment #4 From Konstantin Arkhipov 2004-05-23 07:40 PST -------

Merged into mainline and tab's patchset.
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