Comment 7 for bug 39518

I am having similar trouble using Intel chipset (Pentium M).

Happens after a few susscessful syncs:

Jul 23 13:28:13 localhost kernel: [17189280.432000] usb 2-2: new full speed USB device using uhci_hcd and address 15
Jul 23 13:28:13 localhost kernel: [17189280.576000] visor 2-2:1.0: Handspring Visor / Palm OS converter detected
Jul 23 13:28:13 localhost kernel: [17189280.576000] usb 2-2: Handspring Visor / Palm OS converter now attached to ttyUSB2
Jul 23 13:28:13 localhost kernel: [17189280.576000] usb 2-2: Handspring Visor / Palm OS converter now attached to ttyUSB3
Jul 23 13:28:14 localhost kernel: [17189281.600000] e0f02972
Jul 23 13:28:14 localhost kernel: [17189281.600000] PREEMPT SMP
Jul 23 13:28:14 localhost kernel: [17189281.600000] Modules linked in: acpi_sbs i2c_acpi_ec i2c_core battery ac ibm_acpi thermal fan button ipw2100 ieee80211 e1000 michael_mic ieee80211_crypt_tkip usbhid visor usbserial arc4 ieee80211_crypt_wep binfmt_misc rfcomm l2cap bluetooth radeon drm uinput ppdev ipv6 speedstep_centrino cpufreq_userspace cpufreq_stats freq_table cpufreq_powersave cpufreq_ondemand cpufreq_conservative video tc1100_wmi sony_acpi pcc_acpi hotkey dev_acpi container deflate zlib_deflate twofish serpent aes blowfish des sha256 sha1 crypto_null af_key dm_mod md_mod nvram lp ide_scsi scsi_mod af_packet irtty_sir sir_dev nsc_ircc joydev ieee80211_crypt irda pcspkr pcmcia crc_ccitt tsdev parport_pc parport yenta_socket rsrc_nonstatic pcmcia_core psmouse serio_raw snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc intel_agp agpgart shpchp pci_hotplug evdev ext3 jbd ide_generic ehci_hcd uhci_hcd usbcore ide_cd cdrom ide_disk piix generic pro
Jul 23 13:28:14 localhost kernel: essor capability commoncap vga16fb vgastate fbcon tileblit font bitblit softcursor
Jul 23 13:28:14 localhost kernel: [17189281.600000] CPU: 0
Jul 23 13:28:14 localhost kernel: [17189281.600000] EIP: 0060:[pg0+548043122/1069167616] Not tainted VLI
Jul 23 13:28:14 localhost kernel: [17189281.600000] EFLAGS: 00210246 (2.6.15-26-686)
Jul 23 13:28:14 localhost kernel: [17189281.600000] EIP is at serial_ioctl+0x32/0x100 [usbserial]
Jul 23 13:28:14 localhost kernel: [17189281.600000] eax: 00000000 ebx: 00000000 ecx: c5d2b840 edx: bfbcf628
Jul 23 13:28:14 localhost kernel: [17189281.600000] esi: 00005401 edi: bfbcf628 ebp: c5d2b840 esp: d153fef8
Jul 23 13:28:14 localhost kernel: [17189281.600000] ds: 007b es: 007b ss: 0068
Jul 23 13:28:14 localhost kernel: [17189281.600000] Process gpilotd (pid: 16382, threadinfo=d153e000 task=ddd50a90)
Jul 23 13:28:14 localhost kernel: [17189281.600000] Stack: c0171bf9 c5d2b88c da18b560 c5d2b840 d153ff44 c5d2b840 fffffff8 da7b3000
Jul 23 13:28:14 localhost kernel: [17189281.600000] 00005401 c0242bfb da7b3000 c5d2b840 00005401 bfbcf628 bfbcf628 c5d2b840
Jul 23 13:28:14 localhost kernel: [17189281.600000] da7b3000 c5d2b840 bfbcf628 00005401 00000011 c01880b3 da18b4a8 c5d2b840
Jul 23 13:28:14 localhost kernel: [17189281.600000] Call Trace:
Jul 23 13:28:14 localhost kernel: [17189281.600000] [__dentry_open+265/640] __dentry_open+0x109/0x280
Jul 23 13:28:14 localhost kernel: [17189281.600000] [tty_ioctl+171/1456] tty_ioctl+0xab/0x5b0
Jul 23 13:28:14 localhost kernel: [17189281.600000] [do_ioctl+147/160] do_ioctl+0x93/0xa0
Jul 23 13:28:14 localhost kernel: [17189281.600000] [vfs_ioctl+107/560] vfs_ioctl+0x6b/0x230
Jul 23 13:28:14 localhost kernel: [17189281.600000] [fd_install+50/112] fd_install+0x32/0x70
Jul 23 13:28:14 localhost kernel: [17189281.600000] [sys_ioctl+136/160] sys_ioctl+0x88/0xa0
Jul 23 13:28:14 localhost kernel: [17189281.600000] [sysenter_past_esp+84/117] sysenter_past_esp+0x54/0x75
Jul 23 13:28:14 localhost kernel: [17189281.600000] Code: 89 74 24 18 8b 74 24 30 89 7c 24 1c 8b 7c 24 34 89 6c 24 20 8b 6c 24 2c 89 5c 24 14 8b 98 94 09 00 00 a1 84 9d f0 e0 85 c0 75 6e <8b> 8b 94 00 00 00 85 c9 75 27 8b 15 84 9d f0 e0 b8 ed ff ff ff
Jul 23 13:28:21 localhost kernel: [17189281.600000] <6>usb 2-2: USB disconnect, address 15
Jul 23 13:28:21 localhost kernel: [17189288.508000] visor ttyUSB2: Handspring Visor / Palm OS converter now disconnected from ttyUSB2
Jul 23 13:28:21 localhost kernel: [17189288.508000] visor ttyUSB3: Handspring Visor / Palm OS converter now disconnected from ttyUSB3
Jul 23 13:28:21 localhost kernel: [17189288.508000] visor 2-2:1.0: device disconnected
Jul 23 13:33:27 localhost shutdown[4720]: shutting down for system reboot

After a reboot I can sync again.

Please fix this, Palm synchronisation is very important for Ubuntu Desktop usage particular in Corporate environments.