Thanks. Let me try it and let you know the results. Thank you.
On Sun, Jul 26, 2009 at 5:40 PM, Giovanni Maruzzelli <[email protected]>wrote: > Performance problems and other issues (eg crashes on ALSA drivers) has > been reported for Skypiax on CentOS, albeit various users got good > success on same CentOS. The section down below, "Extreme" Performances > on Linux solves all problems for the user that got issues on CentOS. > > > http://wiki.freeswitch.org/wiki/Skypiax_Skype_Endpoint_and_Trunk#.22Extreme.22_Performances_on_Linux > > > > On Sun, Jul 26, 2009 at 2:37 PM, Giovanni Maruzzelli<[email protected]> > wrote: > > Ciao Muhammad, > > > > I've got many problems with ALSA drivers, including various kind of > crashes. > > > > To make a looong story short, use the alsa_drivers version 1.0.20, > > they have not yet crashed on me. > > > > Also, if you want to test it, you can compile the customized snd-dummy > > driver you find in the svn code, it is a try to have much more > > efficiency bot in softirqs and context switches, allows for 64 Skype > > instances (128 subdevices), etc. it is to be compiled with > > alsa_drivers 1.0.20 too. > > > > Is my feeling (I mean, almost sure) they got spin_locking wrong in > > previous versions, and it crashes the kernel when you "really" use it > > (Skype clients have a demented usage of alsa). > > > > BTW, I'm in the process of revamp the code, fix the bugs and apply > > patches. Please, have a look at the new wiki page with lots of new > > content, I'll send a mail to the ML tomorrow :-) > > > > > > Sincerely, > > > > Giovanni Maruzzelli > > ========================================= > > www.celliax.org > > via Pierlombardo 9, 20135 Milano > > Italy > > gmaruzz at celliax dot org > > Cell : +39-347-2665618 > > Fax : +39-02-87390039 > > > > > > > > > > On Sun, Jul 26, 2009 at 2:19 PM, Muhammad > > Shahzad<[email protected]> wrote: > >> Hi, > >> > >> I am having random Linux Kernel crash problems while running FreeSWITCH > as > >> Skype to/from SIP gateway on one of our production servers. This machine > is > >> running CentOS 5.2, Kernel version 2.6.18-92.1.22.el5.centos.plusPAE > with FS > >> svn revision number 13754. > >> > >> At time of Kernel crash i could find following crash messages which > point to > >> some source code file in FS source tree. > >> > >> --------------------- Kernel Begin ------------------------ > >> > >> > >> 3 Time(s): ======================= > >> 3 Time(s): [<c0404eff>] syscall_call+0x7/0xb > >> 3 Time(s): [<c043ed22>] sys_delete_module+0x192/0x1b8 > >> 3 Time(s): [<c0449011>] audit_syscall_entry+0x14b/0x17d > >> 3 Time(s): [<c049f4fe>] remove_proc_entry+0x139/0x18c > >> 3 Time(s): [<f8d96281>] alsa_sound_exit+0xa/0x30 [snd] > >> 3 Time(s): [<f8d96304>] snd_info_done+0x46/0x49 [snd] > >> 3 Time(s): BUG: warning at fs/proc/generic.c:732/remove_proc_entry() > (Not > >> tainted) > >> 1 Time(s): snd-malloc: Memory leak? pages not freed = 1 > >> > >> ---------------------- Kernel End ------------------------- > >> > >> While the problem seems to arise from ALSA kernel module but it blames > FS > >> file fs/proc/generic.c:732 for this. The only FS module that is using > ALSA > >> is mod_skypiax but as far as i remember that module is using FS internal > >> routines to allocate and de-allocate sound driver services for Skype > client. > >> > >> Please suggest a solution. > >> > >> Thank you. > >> > >> > >> -- > >> Muhammad Shahzad > >> ----------------------------------- > >> CISCO Rich Media Communication Specialist (CRMCS) > >> CISCO Certified Network Associate (CCNA) > >> Cell: +92 334 422 40 88 > >> MSN: [email protected] > >> Email: [email protected] > >> > >> _______________________________________________ > >> FreeSWITCH-users mailing list > >> [email protected] > >> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users > >> UNSUBSCRIBE: > http://lists.freeswitch.org/mailman/options/freeswitch-users > >> http://www.freeswitch.org > >> > >> > > > > _______________________________________________ > FreeSWITCH-users mailing list > [email protected] > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users > http://www.freeswitch.org > -- Muhammad Shahzad ----------------------------------- CISCO Rich Media Communication Specialist (CRMCS) CISCO Certified Network Associate (CCNA) Cell: +92 334 422 40 88 MSN: [email protected] Email: [email protected]
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