Things to try that come to my mind: - try a non-SMP kernel - try to build the kernel with the CONFIG_SND_HDA_POWER_SAVE unset - try to bring down other interfaces (eth0, wlan0) before using the modem -- Nick Zhuravlev www.auriga.com On Sun, Feb 14, 2010 at 08:51:02PM -0200, Kevin Fernandez <siegfri3d@xxxxxxxxx> wrote: > Almost there! > I don't know if it's your change (probably!); as i also upgraded to > the variant 2.6.31-20-generic. > I could run wvdialconf without problem, then i tried multiple times to > connect but right after connecting to the first site it was always > crashing wvdial/pppd (i could see that it resolved the site in firefox > and was trying to connect to it). > After trying another time i got a segmentation fault: > > --> WvDial: Internet dialer version 1.60 > --> Initializing modem. > --> Sending: ATZ > ATZ > OK > --> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 > ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 > OK > --> Modem initialized. > --> Sending: ATDT17003131 > --> Waiting for carrier. > ATDT17003131 > BUSY > --> The line is busy. Trying again. > --> Sending: ATDT17003131 > --> Waiting for carrier. > ATDT17003131 > CONNECT 40000 V44 > --> Carrier detected. Waiting for prompt. > ~[7f]}#@!}!}!} }8}"}&} }*} } }#}$@#}%}&(BAh}'}"}(}"[0c]J~ > --> PPP negotiation detected. > --> Starting pppd at Sun Feb 14 20:17:40 2010 > --> Pid of pppd: 16639 > --> Using interface ppp0 > --> pppd: px2[08]@[7f]2[08] > --> pppd: px2[08]@[7f]2[08] > --> pppd: px2[08]@[7f]2[08] > --> pppd: px2[08]@[7f]2[08] > --> local IP address 189.48.97.120 > --> pppd: px2[08]@[7f]2[08] > --> remote IP address 201.4.82.93 > --> pppd: px2[08]@[7f]2[08] > --> primary DNS address 200.202.193.75 > --> pppd: px2[08]@[7f]2[08] > --> secondary DNS address 200.222.0.34 > --> pppd: px2[08]@[7f]2[08] > --> pppd: px2[08]@[7f]2[08] > --> Connect time 1.1 minutes. > --> pppd: px2[08]@[7f]2[08] > --> pppd: px2[08]@[7f]2[08] > --> pppd: px2[08]@[7f]2[08] > --> Disconnecting at Sun Feb 14 20:18:47 2010 > --> The PPP daemon has died: A modem hung up the phone (exit code = 16) > --> man pppd explains pppd error codes in more detail. > --> Try again and look into /var/log/messages and the wvdial and pppd > man pages for more information. > --> Auto Reconnect will be attempted in 5 seconds > --> Initializing modem. > --> Sending: ATZ > ATZ > OK > --> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 > ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 > OK > --> Modem initialized. > Erreur de segmentation > > > > dmesg: > > [ 1348.660145] ------------[ cut here ]------------ > [ 1348.660150] kernel BUG at /build/buildd/linux-2.6.31/kernel/timer.c:762! > [ 1348.660154] invalid opcode: 0000 [#1] SMP > [ 1348.660159] last sysfs file: /sys/devices/system/cpu/cpu1/topology/core_id > [ 1348.660162] Modules linked in: ppp_deflate zlib_deflate bsd_comp > ppp_async crc_ccitt agrserial agrmodem isofs udf crc_itu_t binfmt_misc > ppdev vboxnetflt vboxnetadp vboxdrv joydev snd_hda_codec_realtek > wlan_scan_sta ath_rate_sample iptable_nat nf_nat nf_conntrack_ipv4 > nf_conntrack nf_defrag_ipv4 iptable_mangle snd_hda_intel snd_hda_codec > snd_hwdep iptable_filter pcmcia ip_tables x_tables snd_pcm_oss > snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss sdhci_pci sdhci > led_class yenta_socket rsrc_nonstatic pcmcia_core snd_seq_midi > snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd > ath_pci wlan ath_hal psmouse serio_raw soundcore snd_page_alloc sbp2 > lp parport dm_raid45 xor fbcon tileblit font bitblit softcursor i915 > drm i2c_algo_bit ohci1394 ieee1394 r8169 mii intel_agp agpgart video > output > [ 1348.660246] > [ 1348.660251] Pid: 16129, comm: wvdial Tainted: P > (2.6.31-20-generic #57-Ubuntu) MSI Notebook VR601 > [ 1348.660255] EIP: 0060:[<c0150bb3>] EFLAGS: 00010286 CPU: 1 > [ 1348.660262] EIP is at add_timer+0x13/0x20 > [ 1348.660265] EAX: fbaaebc0 EBX: f851ae28 ECX: 00000000 EDX: f851ab60 > [ 1348.660268] ESI: f851ae28 EDI: fffffff4 EBP: ec82dd88 ESP: ec82dd88 > [ 1348.660272] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 > [ 1348.660275] Process wvdial (pid: 16129, ti=ec82c000 task=ec838000 > task.ti=ec82c000) > [ 1348.660278] Stack: > [ 1348.660280] ec82dd90 fb98604e ec82dda0 fba40ebc fba40e77 f851ae28 > ec82ddc0 fba40f45 > [ 1348.660289] <0> 000003e8 00000000 00000000 00000000 12345678 > f851ae28 ec82ddc8 fb9862f8 > [ 1348.660298] <0> ec82ddd0 fb98630d ec82dde8 f8518fe0 fffffff4 > ec82dde8 ef86be04 f851ae28 > [ 1348.660309] Call Trace: > [ 1348.660346] [<fb98604e>] ? lt_add_timer+0x2e/0x30 [agrmodem] > [ 1348.660389] [<fba40ebc>] ? VMODEM_Start_Timer+0x28/0x33 [agrmodem] > [ 1348.660432] [<fba40e77>] ? timertick_function+0x0/0x1d [agrmodem] > [ 1348.660473] [<fba40f45>] ? vxdPortOpen+0x3b/0x42 [agrmodem] > [ 1348.660504] [<fb9862f8>] ? wrap_vxdPortOpen+0x8/0x10 [agrmodem] > [ 1348.660533] [<fb98630d>] ? modemPortOpen+0xd/0x20 [agrmodem] > [ 1348.660540] [<f8518fe0>] ? serial8250_startup+0x210/0x380 [agrserial] > [ 1348.660548] [<c039d0d6>] ? uart_startup+0x46/0x140 > [ 1348.660552] [<c039dc12>] ? uart_open+0x102/0x220 > [ 1348.660557] [<c0384d13>] ? __tty_open+0x1a3/0x460 > [ 1348.660562] [<c0384fef>] ? tty_open+0x1f/0x40 > [ 1348.660568] [<c01eae1d>] ? chrdev_open+0xcd/0x190 > [ 1348.660572] [<c01e5df9>] ? __dentry_open+0xb9/0x230 > [ 1348.660577] [<c01e6055>] ? nameidata_to_filp+0x55/0x70 > [ 1348.660581] [<c01ead50>] ? chrdev_open+0x0/0x190 > [ 1348.660587] [<c01f3daa>] ? do_filp_open+0x53a/0x890 > [ 1348.660592] [<c01e5b90>] ? do_sys_open+0x50/0x150 > [ 1348.660597] [<c01e9645>] ? fput+0x15/0x20 > [ 1348.660601] [<c01e5a67>] ? filp_close+0x47/0x70 > [ 1348.660605] [<c01e5cf9>] ? sys_open+0x29/0x40 > [ 1348.660610] [<c01033ac>] ? syscall_call+0x7/0xb > [ 1348.660612] Code: 8b 80 08 02 00 00 89 43 2c e9 fa fe ff ff 0f 0b > eb fe 8d b6 00 00 00 00 55 8b 10 89 e5 85 d2 75 0a 8b 50 08 e8 af fe > ff ff 5d c3 <0f> 0b eb fe 89 f6 8d bc 27 00 00 00 00 55 89 e5 e8 98 8c > ff ff > [ 1348.660669] EIP: [<c0150bb3>] add_timer+0x13/0x20 SS:ESP 0068:ec82dd88 > [ 1348.660677] ---[ end trace e3d2e7c757a613b0 ]--- > > > Any idea? > Thanks for the help! > > 2010/2/14, Nikolay Zhuravlev <xxor@xxxxxxx>: > > I am not sure. I think power_save=0 means that > > there is no timeout and snd-hda-intel never sleeps. > > > > My previous kernel (vanilla 2.6.32) did not have > > CONFIG_SND_HDA_POWER_SAVE set, so the power_save was > > not even an option, and it all worked fine. > > > > There are also bug reports of some high pitch noise > > related to the power_save=10 setting, both in Fedora > > and in Ubuntu. > > > > -- > > Nick Zhuravlev > > www.auriga.com > > > > On Sun, Feb 14, 2010 at 02:26:08PM -0400, Bjorn Wielens <Uniacke1@xxxxxxxx> > > wrote: > > > >> so it looks like if the hda driver is in a sleep state, the agrsm driver > >> has a fit. > >> > >> > >> I just verified that my SuSE distro does not set the power save in > >> modprobe, hence it worked fine out of the box for me. > >> > >> That said, it must be possible to modify the driver code to "wake" the > >> sound card properly- I know for a fact that it has function prototypes > >> for powerup/powerdown functions. > >> > >> Bjorn. > >> > >> > >> On 02/14/2010 01:57 PM, Nikolay Zhuravlev wrote: > >> > Valera, > >> > > >> > Glad it worked for you. It is amazing how much difference a single > >> > bit of information can make ;) > >> > > >> > > > > > >