Is it a BUG or my hardware has problem?

[NoOp]

On 08/28/2008 03:56 AM, Suwandy wrote:
> I'm use Acer 4715z and I've install ubuntu 8.04.1. I want to learn networking so 
> I install virtualbox 1.6.4. When my laptop doesn't has activity for a minutes (I 
> don't active the screen saver), the ubuntu give me the error in CLI like in the 
> below (the message always same although I restart my laptop):
> 
> *[ 1565.836916] BUG: unable to handle kernel NULL pointer dereference at virtual 
> address 0000005c
> [ 1565.837008] printing eip: f8ad2e7e *pde = 00000000
> [ 1565.837122] Oops: 0000 [#1] SMP
> [ 1565.837232] Modules linked in: bridge tun vboxdrv af_packet ipv6 i915 drm 
> rfcomm l2cap bluetooth ppdev acpi_cpufreq cpufreq_powersave cpufreq_userspace 
> cpufreq_ondemand cpufreq_conservative cpufreq_stats freq_table dock container 
> sbs sbshc iptable_filter ip_tables x_tables parport_pc lp parport joydev 
> snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm wlan_scan_sta snd_page_alloc 
> snd_hwdep usbhid ath_rate_sample snd_seq_dummy hid acer_acpi psmouse evdev 
> serio_raw pcspkr snd_seq_oss uvcvideo led_class ath_pci wlan sky2 compat_ioctl32 
> ath_hal(P) snd_seq_midi battery videodev v4l1_compat v4l2_common snd_rawmidi 
> snd_seq_midi_event ac snd_seq snd_timer snd_seq_device snd intel_agp video 
> output shpchp wmi_acer button agpgart pci_hotplug iTCO_wdt iTCO_vendor_support 
> soundcore ext3 jbd mbcache sg sd_mod sr_mod cdrom pata_acpi ata_generic ata_piix 
> libata scsi_mod ehci_hcd uhci_hcd usbcore thermal processor fan fbcon tileblit 
> font bitblit softcursor fuse
> [ 1565.840835]
> [ 1565.840874] Pid: 7719, comm: modprobe Tainted: P        (2.6.24-19-generic #1)
> [ 1565.840922] EIP: 0060:[<f8ad2e7e>] EFLAGS: 00010246 CPU: 1
> [ 1565.840984] EIP is at ieee80211_virtfs_vdetach+0x8e/0xf0 [wlan]
> [ 1565.841030] EAX: 00000000 EBX: 00000000 ECX: f75f0e00 EDX: f75f0b80
> [ 1565.841076] ESI: f7711480 EDI: f73b0484 EBP: f7711000 ESP: cbc19e64
> [ 1565.841122]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
> [ 1565.841167] Process modprobe (pid: 7719, ti=cbc18000 task=dff49700 

[snip]

> 
> It's so disturb me. I'm really don't understand about the message in the above, 
> please give me solution and how to I resolve it. many thanks for the answer. I'm 
> waiting the answer from this forum.
> 
> oh yeah, as additional... after the message, I press Ctrl+Alt+F7 and my laptop 
> has lock, after I unlock it, my wifi can't connect and my shutdown,restart 
> (press Ctrl+Alt+Del) doesn't work.
> 
> 

That does appear to be a kernel related bug w/modprobe. I'd recommend
that you file a bug, see:

https://wiki.ubuntu.com/Bugs/FindRightPackage
  https://bugs.launchpad.net/ubuntu/+source/linux/+filebug
https://wiki.ubuntu.com/KernelTeamBugPolicies
[be sure to include the 'Minimal information' otherwise your bug is
likely to sit idle until someone gets around to asking you for the basic
information]