are there any news/solutions related to this problem? Thanks Thomas
> -----Ursprüngliche Nachricht----- > Von: Debes, Thomas RAEK MRA > Gesendet: Donnerstag, 26. November 2009 07:06 > An: jan.kis...@web.de > Cc: rtnet-users@lists.sourceforge.net > Betreff: AW: [RTnet-users] unresolved symbol netdev_priv when loading rtcap.o > > > > > -----Ursprüngliche Nachricht----- > > Von: thomas.de...@manroland.com [mailto:thomas.de...@manroland.com] > > Gesendet: Mittwoch, 25. November 2009 13:30 > > An: jan.kis...@web.de > > Cc: rtnet-users@lists.sourceforge.net > > Betreff: Re: [RTnet-users] unresolved symbol netdev_priv when loading > > rtcap.o > > > > > -----Ursprüngliche Nachricht----- > > > Von: jan.kis...@web.de [mailto:jan.kis...@web.de] > > > Gesendet: Montag, 23. November 2009 09:50 > > > An: Debes, Thomas RAEK MRA > > > Cc: rtnet-users@lists.sourceforge.net > > > Betreff: Re: AW: [RTnet-users] unresolved symbol netdev_priv when > > > loading rtcap.o > > > > > > thomas.de...@manroland.com wrote: > > > >> -----Ursprüngliche Nachricht----- > > > >> Von: jan.kis...@web.de [mailto:jan.kis...@web.de] > > > >> Gesendet: Freitag, 20. November 2009 18:41 > > > >> An: Debes, Thomas RAEK MRA > > > >> Cc: rtnet-users@lists.sourceforge.net > > > >> Betreff: Re: [RTnet-users] unresolved symbol netdev_priv when > > > loading > > > >> rtcap.o > > > >> > > > >> thomas.de...@manroland.com wrote: > > > >>> Hello, > > > >>> > > > >>> recently I tried to build the latest RTnet release for our kernel > > > >>> 2.4.25 based MPC52000. Everything went fine until I loaded the > > > rtcap > > > >> module. > > > >>> This led to "unresolved symbol netdev_priv". Looking through the > > > git > > > >>> commit messages I found that this function was introduced with > > > >>> kernel 2.6.29. Is there a chance to make it work with kernel 2.4 > > > again? > > > >> If that was the only issue: please check latest git. > > > >> > > > > > > > > I did that but I still got an unresolved symbol. After including > > > rtnet_port.h in rtcap.c compiling was fine but insmoding led to a > > > segfault. Did I miss something? > > > > > > Inclusion fixed in git, thanks for pointing out. > > > > > > > > > > > *** RTnet 0.9.11 - built on Nov 20 2009 22:28:51 *** > > > > > > > > RTnet: initialising real-time networking > > > > RTnet: registered rteth0 > > > > RTproxy attached to rteth0 > > > > rtnetproxy installed as "rtproxy" > > > > RTcap: real-time capturing interface > > > > Oops: kernel access of bad area, sig: 11 > > > > NIP: D12C8DA4 XER: 20000000 LR: D12C8D90 SP: CD92DE40 REGS: > > cd92dd90 > > > TRAP: 0300 Not tainted > > > > MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 > > > > DAR: 00000000, DSISR: 22000000 > > > > TASK = cd92c000[166] 'insmod' Last syscall: 128 last math cd92c000 > > > > last altivec 00000000 > > > > GPR00: D12C8D90 CD92DE40 CD92C000 CFBF6200 CDB0300A > CFBF6206 > > CFBF6279 > > > > CFD42360 > > > > GPR08: CFBF6000 00000000 00000000 D12C88F8 84428428 10047088 > > 00000000 > > > > 00000000 > > > > GPR16: 10040000 00000001 00000000 00000000 D12C994C D12D0000 > > D12D0000 > > > > 00000000 > > > > GPR24: CDB03004 0000006C 00000001 CFBF6200 D12C99B0 CDB03000 > > 00000000 > > > > CDB030AC Call backtrace: > > > > D12C8D90 C0018340 C0005AFC 10088480 10003DB4 10004EC4 > 1000942C > > > > 10009654 0FEBCFC8 00000000 > > > > > > But this oops is not very helpful. No backtrace, not even a proper > > > resolution of the IP. Can you enable debug symbols for your kernel > > and > > > run this through ksymoops? > > > > > > > Okay, I was not able to get debug enabled kernel, but I could track > > down the oops to line 467 in rtcap_init: > > > > *(struct rtnet_device **)netdev_priv(dev) = rtdev; > > > > By instrumenting it with some printk's it turned out that "dev->priv" > > is NULL. That seems to be a valid case because "rtdev" is assigned. > > Finally I manually replaced this line with the code before switching to > > netdev_priv (dev->priv = rtdev) and it worked until the next oops > > occurred at the following "register_netdev(dev)" call. Obviously there > > is something wrong with the dev structure. I will dig into this... > > > > By the way rtmac_vnic.c needs rtnet_port.h included too. > > > > I was able to run ksymoops - here is the output: > > Oops: kernel access of bad area, sig: 11 > NIP: D12C7CD4 XER: 20000000 LR: D12C7CC0 SP: CDE3FE40 REGS: cde3fd90 > TRAP: 0300 Not tainted > MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 > TASK = cde3e000[181] 'insmod' Last syscall: 128 > last math cde3e000 last altivec 00000000 > GPR00: D12C7CC0 CDE3FE40 CDE3E000 CFBF6200 CDAD600A CFBF6206 > CFBF6279 CFD42360 > GPR08: CFBF6000 00000000 00000000 D12C7828 84428422 10047088 00000000 > 00000000 > GPR16: 10040000 00000001 00000000 00000000 D12C887C D12D0000 > D12C0000 00000000 > GPR24: CDAD6004 0000006C 00000001 CFBF6200 D12C88E0 CDAD6000 > 00000000 CDAD60AC > Call backtrace: > D12C7CC0 C0018340 C0005AFC 10086DA8 10003DB4 10004EC4 1000942C > 10009654 0FEBCFC8 00000000 > Warning (Oops_read): Code line not seen, dumping what data is available > > > >>NIP; d12c7cd4 <rtnetproxy_rtdev+29a8/????> <===== > > >>GPR0; d12c7cc0 <rtnetproxy_rtdev+2994/????> > >>GPR1; cde3fe40 <_end+dbcc578/11012798> > >>GPR2; cde3e000 <_end+dbca738/11012798> > >>GPR3; cfbf6200 <_end+f982938/11012798> > >>GPR4; cdad600a <_end+d862742/11012798> > >>GPR5; cfbf6206 <_end+f98293e/11012798> > >>GPR6; cfbf6279 <_end+f9829b1/11012798> > >>GPR7; cfd42360 <_end+facea98/11012798> > >>GPR8; cfbf6000 <_end+f982738/11012798> > >>GPR11; d12c7828 <rtnetproxy_rtdev+24fc/????> > >>GPR20; d12c887c <rtnetproxy_rtdev+3550/????> > >>GPR22; d12c0000 <[rt_mpc52xx_fec]mpc5xxx_fec_setup+514/5cc> > >>GPR24; cdad6004 <_end+d86273c/11012798> > >>GPR27; cfbf6200 <_end+f982938/11012798> > >>GPR28; d12c88e0 <rtnetproxy_rtdev+35b4/????> > >>GPR29; cdad6000 <_end+d862738/11012798> > >>GPR31; cdad60ac <_end+d8627e4/11012798> > > Trace; d12c7cc0 <rtnetproxy_rtdev+2994/????> > Trace; c0018340 <sys_init_module+6fc/854> > Trace; c0005afc <ret_from_syscall_1+0/104> > Trace; 10086da8 Before first symbol > Trace; 10003db4 Before first symbol > Trace; 10004ec4 Before first symbol > Trace; 1000942c Before first symbol > Trace; 10009654 Before first symbol > Trace; 0febcfc8 Before first symbol > Trace; 00000000 Before first symbol > > > 8 warnings and 7 errors issued. Results may not be reliable. > > Hopefully this helps. > > Thanks > Thomas -------------------------------------------------------- manroland AG Vorsitzender des Aufsichtsrates: Hanno C. Fiedler Vorstand: Gerd Finkbeiner (Vorsitzender), Dr. Ingo Koch, Dr. Markus Rall, Paul Steidle Sitz der Gesellschaft: Offenbach am Main, Registergericht: Amtsgericht Offenbach HRB-Nr. 42592 USt-Ident-Nr. DE 250200933 ------------------------------------------------------------------------------ Return on Information: Google Enterprise Search pays you back Get the facts. http://p.sf.net/sfu/google-dev2dev _______________________________________________ RTnet-users mailing list RTnet-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rtnet-users
