Thank you for your reply. I'm using the modem during that time, so it's not disconnection. When I try to remove modules, I get error message "Module agrserial is in use" and "Module agrmodem is in use". Here is part of my kern.log. Jun 8 23:26:40 t-u kernel: [ 23.017630] HDA Intel 0000:00:1b.0: power state changed by ACPI to D0 Jun 8 23:26:40 t-u kernel: [ 23.017647] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 Jun 8 23:26:40 t-u kernel: [ 23.017695] HDA Intel 0000:00:1b.0: setting latency timer to 64 Jun 8 23:26:40 t-u kernel: [ 23.042749] * Hello Agere Driver ** Jun 8 23:26:40 t-u kernel: [ 23.042797] usbcore: registered new interface driver agr12dec2006 Jun 8 23:26:40 t-u kernel: [ 23.122877] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input7 Jun 8 23:26:40 t-u kernel: [ 23.236171] input: ImPS/2 Synaptics TouchPad as /devices/platform/i8042/serio4/input/input8 Jun 8 23:26:40 t-u kernel: [ 23.350072] type=1505 audit(1276032400.350:5): operation="profile_load" pid=1038 name="/usr/share/gdm/guest-session/Xsession" Jun 8 23:26:40 t-u kernel: [ 23.353912] type=1505 audit(1276032400.354:6): operation="profile_replace" pid=1041 name="/sbin/dhclient3" Jun 8 23:26:40 t-u kernel: [ 23.354465] type=1505 audit(1276032400.354:7): operation="profile_replace" pid=1041 name="/usr/lib/NetworkManager/nm-dhcp-client.action" Jun 8 23:26:40 t-u kernel: [ 23.354763] type=1505 audit(1276032400.354:8): operation="profile_replace" pid=1041 name="/usr/lib/connman/scripts/dhclient-script" Jun 8 23:26:40 t-u kernel: [ 23.386235] type=1505 audit(1276032400.386:9): operation="profile_load" pid=1044 name="/usr/bin/evince" Jun 8 23:26:40 t-u kernel: [ 23.402406] type=1505 audit(1276032400.402:10): operation="profile_load" pid=1044 name="/usr/bin/evince-previewer" Jun 8 23:26:40 t-u kernel: [ 23.419326] type=1505 audit(1276032400.418:11): operation="profile_load" pid=1044 name="/usr/bin/evince-thumbnailer" Jun 8 23:26:41 t-u kernel: [ 24.690024] iwl3945 0000:10:00.0: firmware: requesting iwlwifi-3945-2.ucode Jun 8 23:26:41 t-u kernel: [ 24.838001] iwl3945 0000:10:00.0: loaded firmware version 15.32.2.9 Jun 8 23:26:41 t-u kernel: [ 24.838237] iwl3945 0000:10:00.0: Radio disabled by HW RF Kill switch Jun 8 23:26:41 t-u kernel: [ 24.839986] alloc irq_desc for 31 on node -1 Jun 8 23:26:41 t-u kernel: [ 24.839989] alloc kstat_irqs on node -1 Jun 8 23:26:41 t-u kernel: [ 24.840013] tg3 0000:18:00.0: irq 31 for MSI/MSI-X Jun 8 23:26:41 t-u kernel: [ 24.869453] ADDRCONF(NETDEV_UP): eth0: link is not ready Jun 8 23:26:41 t-u kernel: [ 24.876717] Bridge firewalling registered Jun 8 23:26:41 t-u kernel: [ 24.904816] virbr0: starting userspace STP failed, starting kernel STP Jun 8 23:26:41 t-u kernel: [ 24.915279] ip_tables: (C) 2000-2006 Netfilter Core Team Jun 8 23:26:41 t-u kernel: [ 24.917523] iwl3945 0000:10:00.0: Radio disabled by HW RF Kill switch Jun 8 23:26:41 t-u kernel: [ 24.978351] Loading module Agere Modem Controller driver version 2.1.80 (2007-10-01) Jun 8 23:26:41 t-u kernel: [ 24.978355] Disabling lock debugging due to kernel taint Jun 8 23:26:41 t-u kernel: [ 24.980378] serial8250_register_ports: BaseAddress 0x4004 Irq 16 Jun 8 23:26:41 t-u kernel: [ 24.980383] ttyAGS3 at I/O 0x4004 (irq = 16) is a AgereModem Jun 8 23:26:41 t-u kernel: [ 24.980770] agrserial - ret_val 0, call: lt_modem_ops.init_modem Jun 8 23:26:41 t-u kernel: [ 24.980773] Loading module Agere Modem Interface driver version 2.1.80.0 (2007-10-01) Jun 8 23:26:41 t-u kernel: [ 24.993237] nf_conntrack version 0.5.0 (16384 buckets, 65536 max) Jun 8 23:26:41 t-u kernel: [ 24.993425] CONFIG_NF_CT_ACCT is deprecated and will be removed soon. Please use Jun 8 23:26:41 t-u kernel: [ 24.993427] nf_conntrack.acct=1 kernel parameter, acct=1 nf_conntrack module option or Jun 8 23:26:41 t-u kernel: [ 24.993429] sysctl net.netfilter.nf_conntrack_acct=1 to enable it. Jun 8 23:26:42 t-u kernel: [ 25.270968] lo: Disabled Privacy Extensions Jun 8 23:26:44 t-u kernel: [ 27.248142] device eth0 entered promiscuous mode Jun 8 23:26:44 t-u kernel: [ 27.304031] device eth0 left promiscuous mode Jun 8 23:26:44 t-u kernel: [ 27.329090] device eth0 entered promiscuous mode Jun 8 23:26:45 t-u kernel: [ 28.964835] vboxdrv: Trying to deactivate the NMI watchdog permanently... Jun 8 23:26:45 t-u kernel: [ 28.964835] vboxdrv: Successfully done. Jun 8 23:26:45 t-u kernel: [ 28.964836] vboxdrv: Found 2 processor cores. Jun 8 23:26:45 t-u kernel: [ 28.965208] vboxdrv: fAsync=0 offMin=0x19c offMax=0x715 Jun 8 23:26:45 t-u kernel: [ 28.965699] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'. Jun 8 23:26:45 t-u kernel: [ 28.965701] vboxdrv: Successfully loaded version 3.2.2 (interface 0x00140001). Jun 8 23:26:52 t-u kernel: [ 35.588098] virbr0: no IPv6 routers present Jun 8 23:28:41 t-u kernel: [ 144.977710] ==> codecType = 0x32 Jun 8 23:30:20 t-u kernel: [ 243.656020] ltmodem: vxd - modem status int Jun 8 23:30:42 t-u kernel: [ 265.494645] PPP BSD Compression module registered Jun 8 23:30:42 t-u kernel: [ 265.518938] PPP Deflate Compression module registered Jun 8 23:30:48 t-u kernel: [ 271.540944] __ratelimit: 21 callbacks suppressed Jun 8 23:30:48 t-u kernel: [ 271.540975] operapluginwrap[2778]: segfault at 0 ip (null) sp bfb9876c error 4 in libXdmcp.so.6.0.0[110000+4000] Jun 8 23:30:48 t-u kernel: [ 271.605590] operapluginwrap[2789]: segfault at 0 ip (null) sp bfad78ac error 4 in libXt.so.6.0.0[110000+4f000] Jun 8 23:30:48 t-u kernel: [ 271.623335] operapluginwrap[2800]: segfault at 0 ip (null) sp bf9f52cc error 4 in libgcc_s.so.1[110000+1d000] Jun 8 23:30:48 t-u kernel: [ 271.643349] operapluginwrap[2811]: segfault at 0 ip (null) sp bfc3f07c error 4 in libXext.so.6.4.0[110000+e000] Jun 8 23:34:43 t-u kernel: [ 506.139271] ==> codecType = 0x32 Jun 8 23:34:48 t-u kernel: [ 511.224798] ==> codecType = 0x32 Jun 8 23:34:48 t-u kernel: [ 511.280992] ------------[ cut here ]------------ Jun 8 23:34:48 t-u kernel: [ 511.281023] kernel BUG at /build/buildd/linux-2.6.32/kernel/timer.c:791! Jun 8 23:34:48 t-u kernel: [ 511.281061] invalid opcode: 0000 [#1] SMP Jun 8 23:34:48 t-u kernel: [ 511.281094] last sysfs file: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/C23B/voltage_now Jun 8 23:34:48 t-u kernel: [ 511.281145] Modules linked in: ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt binfmt_misc vboxnetadp vboxnetflt vboxdrv ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack agrserial ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp dm_crypt kvm_intel kvm snd_hda_codec_analog agrmodem snd_hda_intel arc4 snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device iwl3945 ppdev iwlcore tpm_infineon mac80211 parport_pc snd tpm tpm_bios hp_accel lis3lv02d input_polldev led_class cfg80211 compat_firmware_class soundcore snd_page_alloc psmouse serio_raw lp parport raid10 raid456 async_raid6_recov async_pq raid6_pq async_xor async_memcpy async_tx raid1 raid0 multipath linear dm_raid45 xor vesafb fbcon tileblit font bitblit softcursor i915 drm_kms_helper drm intel_agp agpgart i2c_algo_bit video output tg3 ahci ramzswap xvmalloc l Jun 8 23:34:48 t-u kernel: zo_decompress lzo_compress Jun 8 23:34:48 t-u kernel: [ 511.281987] Jun 8 23:34:48 t-u kernel: [ 511.282000] Pid: 2629, comm: wvdial Tainted: P (2.6.32-22-generic #35-Ubuntu) HP Compaq 6710b (KE124EA#AKN) Jun 8 23:34:48 t-u kernel: [ 511.282054] EIP: 0060:[<c015be38>] EFLAGS: 00210282 CPU: 0 Jun 8 23:34:48 t-u kernel: [ 511.282088] EIP is at add_timer+0x18/0x20 Jun 8 23:34:48 t-u kernel: [ 511.282110] EAX: f9821940 EBX: f8aef114 ECX: 00000000 EDX: f8aeee40 Jun 8 23:34:48 t-u kernel: [ 511.282143] ESI: f8aef114 EDI: fffffff4 EBP: edeffd70 ESP: edeffd70 Jun 8 23:34:48 t-u kernel: [ 511.282176] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Jun 8 23:34:48 t-u kernel: [ 511.282206] Process wvdial (pid: 2629, ti=edefe000 task=edcae680 task.ti=edefe000) Jun 8 23:34:48 t-u kernel: [ 511.282246] Stack: Jun 8 23:34:48 t-u kernel: [ 511.282260] edeffd78 f9719343 edeffd88 f97d426c f97d4227 f8aef114 edeffda8 f97d42f5 Jun 8 23:34:48 t-u kernel: [ 511.282329] <0> 000003e8 00000000 00000000 00000000 12345678 f8aef114 edeffdb0 f97196a2 Jun 8 23:34:48 t-u kernel: [ 511.282407] <0> edeffdc8 f8aedf40 c01cf9fb 00000000 f0519998 f8aef114 edeffde0 c03dc75a Jun 8 23:34:48 t-u kernel: [ 511.284970] Call Trace: Jun 8 23:34:48 t-u kernel: [ 511.284970] [<f9719343>] ? lt_add_timer+0x33/0x40 [agrmodem] Jun 8 23:34:48 t-u kernel: [ 511.284970] [<f97d426c>] ? VMODEM_Start_Timer+0x28/0x33 [agrmodem] Jun 8 23:34:48 t-u kernel: [ 511.284970] [<f97d4227>] ? timertick_function+0x0/0x1d [agrmodem] Jun 8 23:34:48 t-u kernel: [ 511.284970] [<f97d42f5>] ? vxdPortOpen+0x3b/0x42 [agrmodem] Jun 8 23:34:48 t-u kernel: [ 511.284970] [<f97196a2>] ? modemPortOpen+0x12/0x20 [agrmodem] Jun 8 23:34:48 t-u kernel: [ 511.284970] [<f8aedf40>] ? serial8250_startup+0x1a0/0x370 [agrserial] Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c01cf9fb>] ? __get_free_pages+0x2b/0x30 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c03dc75a>] ? uart_startup+0x4a/0x130 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c03dd2c4>] ? uart_open+0x104/0x210 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c03b51a3>] ? __tty_open+0x1b3/0x480 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c021a751>] ? dput+0x91/0x130 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c03b5494>] ? tty_open+0x24/0x40 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c020b295>] ? chrdev_open+0xf5/0x200 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c016ed2a>] ? in_group_p+0x2a/0x30 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c0205e75>] ? __dentry_open+0xe5/0x290 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c02f551d>] ? security_inode_permission+0x1d/0x30 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c0210d7e>] ? inode_permission+0x9e/0xb0 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c020611d>] ? nameidata_to_filp+0x5d/0x70 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c020b1a0>] ? chrdev_open+0x0/0x200 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c0214742>] ? do_filp_open+0x4d2/0x990 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c0207934>] ? do_sync_write+0xc4/0x100 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c0205bd5>] ? do_sys_open+0x55/0x160 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c020956d>] ? fput+0x1d/0x30 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c0205a8c>] ? filp_close+0x4c/0x80 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c0205d4e>] ? sys_open+0x2e/0x40 Jun 8 23:34:48 t-u kernel: [ 511.284970] [<c01033ec>] ? syscall_call+0x7/0xb Jun 8 23:34:48 t-u kernel: [ 511.284970] Code: 75 f3 8b 03 e9 93 fe ff ff 0f 0b eb fe 8d b6 00 00 00 00 55 89 e5 0f 1f 44 00 00 8b 10 85 d2 75 0a 8b 50 08 e8 0a fe ff ff 5d c3 <0f> 0b eb fe 8d 74 26 00 55 89 e5 0f 1f 44 00 00 e8 d3 52 ff ff Jun 8 23:34:48 t-u kernel: [ 511.284970] EIP: [<c015be38>] add_timer+0x18/0x20 SS:ESP 0068:edeffd70 Jun 8 23:34:48 t-u kernel: [ 511.350842] ---[ end trace 705390fbc6d14c83 ]--- Jun 8 23:58:48 t-u kernel: Kernel logging (proc) stopped. On 6/8/10, Joshua Gordon Crawford <jgcrawford@xxxxxxxxx> wrote: > On 7 June 2010 18:28, Timur Gadzo <gtimur@xxxxxxxxx> wrote: >> Hello > > G'day, > >> According to ModemData attached here, I downloaded and installed >> http://linmodems.technion.ac.il/packages/ltmodem/11c11040/agrsm-11c11040_20091225_i386.deb >> on my HP Compaq 6710b with Ubuntu 10.04, kernel 2.6.32-22-generic. >> Modem started to work, but it only works for about 10-15 minutes and >> than it disconnects. Redial does not work, I have to restart laptop. > > Are you actively using the modem during that time? It could be your > ISP disconnecting an idle user. If that's the case, and you want to > keep the connection alive, just do a little network activity > occasionally. E.g., use cron to ping your ISP's homepage (or some > other reliable site) once every 5 minutes. > > Also, it's usually not necessary to reboot the system unless you > change the kernel. Unloading and reloading the appropriate modules > should be enough to reactivate the modem: > $ sudo rmmod agrserial > $ sudo rmmod agrmodem > $ sudo modprobe agrmodem > $ sudo modprobe agrserial > > Note, the order is important in those commands: agrserial runs on top > of agrmodem. > >> In my /etc/modprobe.d/alsa-base.conf there wasn't a line with >> "options snd-hda-intel power_save=10". Nevertheless, I added "options >> snd-hda-intel power_save=0". It didn't help with disconnects. >> >> Regards >> Timur Gadzo >> Sarajevo >> > > > > -- > Joshua Crawford ... http://geocities.com/mortarn > > http://www.rewardscentral.com.au/Join/Default.aspx?refer=mortarn > Be rewarded! Join RewardsCentral today! >