Shaun Ruffell <sruff...@digium.com> wrote: > On 01/05/2011 05:02 AM, cov...@ccs.covici.com wrote: > > Shaun Ruffell <sruff...@digium.com> wrote: > > > >> On 1/5/11 12:46 AM, cov...@ccs.covici.com wrote: > >>> Shaun Ruffell<sruff...@digium.com> wrote: > >>> > >>>> On 1/4/11 9:26 PM, cov...@ccs.covici.com wrote: > >>>>> > >>>>> Shaun Ruffell<sruff...@digium.com> wrote: > >>>>> > >>>>>> On 01/04/2011 05:09 PM, cov...@ccs.covici.com wrote: > >>>>>>> Hi. I have a Debian Leni system with asterisk-1.8. I was trying to > >>>>>>> get meetme to work and it depends on dahdi, so I compiled dahdi-trunk > >>>>>>> and dahdi-tools-trunk, however, when trying to insert dahdi_dummy, it > >>>>>>> complained about symbol crc_ccitt_table, although the module was > >>>>>>> actually there in the kernel tree. So, I took the Debian source, and > >>>>>>> I > >>>>>>> had the config and I did make Bzimage, make modules and make > >>>>>>> modules_install, but dahdi_dummy still complains about the same > >>>>>>> symbol, > >>>>>>> it says no version for that symbol, so I am confused as to how to > >>>>>>> resolve this so I can modprobe dahdi_dummy properly. > >>>>>>> > >>>>>>> Any ideas would be appreciated. > >>>>>>> > >>>>>> > >>>>>> First off, I recommend using dahdi-linux 2.4.0 *without* compiling > >>>>>> dahdi_dummy. A dummy span is no longer needed for DAHDI to provide a > >>>>>> timing source to asterisk. > >>>>>> > >>>>>> But you'll still need crc_ccitt module for dahdi to load, so that > >>>>>> doesn't fix the problem as you describe here. > >>>>>> > >>>>>> If you rebuilt your kernel (which probably wasn't necessary...) you > >>>>>> need > >>>>>> to reboot into the new kernel, then rebuild DAHDI against your running > >>>>>> kernel in order to load. Sounds like you have built DAHDI against one > >>>>>> version of the kernel and you're running against another one. > >>>>>> > >>>>>> Also...make sure you're using "modprobe" and not "insmod" to load the > >>>>>> driver...so that crc_ccitt will automatically be loaded as a > >>>>>> dependency. > >>>>>> > >>>>>> For example you can see it automatically loaded here (and how > >>>>>> dahdi_dummy isn't needed for timing). > >>>>>> > >>>>>> ]# lsmod | grep crc_ccitt > >>>>>> ]# dahdi_test -c 1 > >>>>>> Unable to open dahdi interface: No such file or directory > >>>>>> ]# modprobe dahdi > >>>>>> ]# lsmod | grep crc_ccitt > >>>>>> crc_ccitt 10240 1 dahdi > >>>>>> ]# dahdi_test -c 5 > >>>>>> Opened pseudo dahdi interface, measuring accuracy... > >>>>>> 99.998% 99.981% 99.990% 99.990% 99.991% > >>>>>> --- Results after 5 passes --- > >>>>>> Best: 99.998 -- Worst: 99.981 -- Average: 99.990100, Difference: > >>>>>> 99.990101 > >>>>>> ]# > >>>>> > >>>>> I did rebuild the kernel, it has the same version and the same config as > >>>>> the old one and it did build a crc_ccitt module, and I even rebooted the > >>>>> system with the new modules, but no joy at all. Igot the same results > >>>>> whether I rebuilt the kernel or not, so this is what is confusing to me. > >>>>> > >>>> > >>>> What you get from the following commands: > >>>> > >>>> ]# lsmod | grep crc_ccitt > >>> I had to modprobe it, but I got: > >>> crc_ccitt 2080 0 > >>> > >>> > >>>> ]# modinfo crc_ccitt > >>> filename: /lib/modules/2.6.26-2-686/kernel/lib/crc-ccitt.ko > >>> license: GPL > >>> description: CRC-CCITT calculations > >>> depends: > >>> vermagic: 2.6.26-2-686 SMP mod_unload modversions 686 > >>> > >>>> ]# uname -a > >>> Linux eirasterisk 2.6.26-2-686 #3 SMP Tue Jan 4 15:29:02 EST 2011 i686 > >>> GNU/Linux > >>> > >>>> ]# cat /proc/kallsyms | grep crc_ccitt > >>> 00000000 a crc-ccitt.c [crc_ccitt] > >>> f8c6d284 ? __mod_license69 [crc_ccitt] > >>> f8c6d290 ? __mod_description68 [crc_ccitt] > >>> f8c72250 r __ksymtab_crc_ccitt [crc_ccitt] > >>> f8c72268 r __kstrtab_crc_ccitt [crc_ccitt] > >>> f8c72260 r __kcrctab_crc_ccitt [crc_ccitt] > >>> f8c72258 r __ksymtab_crc_ccitt_table [crc_ccitt] > >>> f8c72272 r __kstrtab_crc_ccitt_table [crc_ccitt] > >>> f8c72264 r __kcrctab_crc_ccitt_table [crc_ccitt] > >>> 00000000 a crc-ccitt.mod.c [crc_ccitt] > >>> f8c6d2b4 ? __module_depends [crc_ccitt] > >>> f8c6d32c ? ____versions [crc_ccitt] > >>> f8c6d2c0 ? __mod_vermagic5 [crc_ccitt] > >>> f8c725e0 d __this_module [crc_ccitt] > >>> 3771b461 a __crc_crc_ccitt [crc_ccitt] > >>> f8c72000 T crc_ccitt [crc_ccitt] > >>> 75811312 a __crc_crc_ccitt_table [crc_ccitt] > >>> f8c72050 R crc_ccitt_table [crc_ccitt] > >>> > >>>> ]# modinfo dahdi > >>> filename: /lib/modules/2.6.26-2-686/dahdi/dahdi.ko > >>> version: SVN-trunk-r9614 > >>> alias: dahdi_dummy > >>> license: GPL v2 > >>> description: DAHDI Telephony Interface > >>> author: Mark Spencer<marks...@digium.com> > >>> srcversion: A63E42F5ADDDE39777BCC24 > >>> depends: > >>> vermagic: 2.6.26-2-686 SMP mod_unload modversions 686 > >>> parm: debug:Sets debugging verbosity as a bitfield, to see > >>> general debugging set this to 1. To see RBS debugging set this to 32 > >>> (int) > >>> parm: deftaps:int > >>> parm: max_pseudo_channels:Maximum number of pseudo > >>> channels. (int) > >>> > >> > >> And with the crc_ccitt module loaded you still cannot run "modprobe dahdi"? > >> > >> If so, what is the output of: > >> > >> []# cat /lib/modules/`uname -r`/modules.dep | grep dahdi.ko: > > /lib/modules/2.6.26-2-686/dahdi/dahdi.ko: > > /lib/modules/2.6.26-2-686/kernel/lib/crc-ccitt.ko > > <snip> > > >> and > >> > >> []# dmesg -c > /dev/null; modprobe dahdi; dmesg; lsmod | grep dahdi > > FATAL: Error inserting dahdi (/lib/modules/2.6.26-2-686/dahdi/dahdi.ko): > > Unknown symbol in module, or unknown parameter (see dmesg) > > [25991.968325] dahdi: no symbol version for crc_ccitt_table > > [25991.968330] dahdi: Unknown symbol crc_ccitt_table > > > > > > So everything appears right. Have you "make clean; make install" in > your dahdi-linux directory since rebuilding and rebooting into your new > kernel? > > Otherwise, since crc_ccitt_table is in your /proc/kallsyms, you could > just 'modprobe --force dahdi' to bypass the symbol version check.
I did try that and it worked for a while and locked up the system! But I will do a make clean, etc in dahdi and see if that does anything. -- Your life is like a penny. You're going to lose it. The question is: How do you spend it? John Covici cov...@ccs.covici.com -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users