yes, although internet connection reliability seems much improved (the
problem does not occur as frequently).

ethan

“A society grows great when its elders plant trees whose shade they know
they shall never sit in.” -- an ironic Greek proverb


On Sat, Jul 4, 2015 at 7:52 AM, Christopher M. Penalver <
christopher.m.penal...@gmail.com> wrote:

> ethanay, so when you reboot into an earlier kernel available via the
> GRUB menu, does this issue still occur?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1296504
>
> Title:
>   iwl3945 wireless connection becomes unreliable
>
> Status in linux package in Ubuntu:
>   Incomplete
>
> Bug description:
>   what I expect:  wireless connectivity to be reliable and consistent
>   what happens instead:  wireless connection cuts out, recovers,
> re-establishes connection.  sometimes (rare) requires disabling /
> re-enabling via hardware or software switch.   sometimes (more rare)
> hardware fails completely until reboot (removing and re-inserting module
> fails -- hardware disappears to the system until reboot).  This problem
> will occur without a suspend / resume cycle.
>
>   This problem appeared recently, within the last month or two months of
>   kernel updates.  I think the next step in debugging would be to test
>   reliability against previous kernel versions.
>
>   some relevant dmesg:
>   keyboard: can't emulate rawmode for keycode 240
>   iwl3945 0000:0c:00.0: BSM uCode verification failed at addr 0x00003800+0
> (of 900), is 0xffffffff, s/b 0xf802020
>   iwl3945 0000:0c:00.0: Unable to set up bootstrap uCode: -5
>   iwl3945 0000:0c:00.0: MAC is in deep sleep!.  CSR_GP_CNTRL = 0xFFFFFFFF
>
>   iwl3945 0000:0c:00.0: bad EEPROM signature,EEPROM_GP=0x00000007
>   iwl3945 0000:0c:00.0: EEPROM not found, EEPROM_GP=0xffffffff
>   iwl3945 0000:0c:00.0: Unable to init EEPROM
>   iwl3945 0000:0c:00.0: PCI INT A disabled
>   iwl3945: probe of 0000:0c:00.0 failed with error -2
>
>   ---
>   AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
>   ApportVersion: 2.0.1-0ubuntu17.8
>   Architecture: i386
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  ethan      2078 F.... pulseaudio
>   Card0.Amixer.info:
>    Card hw:0 'Intel'/'HDA Intel at 0xf6dfc000 irq 48'
>      Mixer name : 'Silicon Image SiI1392 HDMI'
>      Components : 'HDA:83847616,1028020a,00100201
> HDA:10951392,1028020a,00100000'
>      Controls      : 34
>      Simple ctrls  : 20
>   DistroRelease: Ubuntu 12.04
>   HibernationDevice: RESUME=UUID=b57e427a-bc21-49e6-994b-a43aee47cec0
>   InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386
> (20120423)
>   MachineType: Dell Inc. XPS M1330
>   MarkForUpload: True
>   Package: linux (not installed)
>   ProcFB: 0 inteldrmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-77-lowlatency-pae
> root=UUID=8e1188f1-2cff-41e9-8298-1d4b1983f24d ro quiet splash
> acpi_backlight=vendor dell_laptop.backlight=0 vt.handoff=7
>   ProcVersionSignature: Ubuntu 3.2.0-77.79-lowlatency-pae 3.2.66
>   RelatedPackageVersions:
>    linux-restricted-modules-3.2.0-77-lowlatency-pae N/A
>    linux-backports-modules-3.2.0-77-lowlatency-pae  N/A
>    linux-firmware                                   1.79.18
>   RfKill:
>    0: phy0: Wireless LAN
>     Soft blocked: no
>     Hard blocked: no
>   Tags:  precise running-unity
>   Uname: Linux 3.2.0-77-lowlatency-pae i686
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   UserGroups: adm audio cdrom dip lpadmin plugdev sambashare sudo video
>   dmi.bios.date: 12/26/2008
>   dmi.bios.vendor: Dell Inc.
>   dmi.bios.version: A15
>   dmi.board.name: 0N6705
>   dmi.board.vendor: Dell Inc.
>   dmi.chassis.type: 8
>   dmi.chassis.vendor: Dell Inc.
>   dmi.modalias:
> dmi:bvnDellInc.:bvrA15:bd12/26/2008:svnDellInc.:pnXPSM1330:pvr:rvnDellInc.:rn0N6705:rvr:cvnDellInc.:ct8:cvr:
>   dmi.product.name: XPS M1330
>   dmi.sys.vendor: Dell Inc.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1296504/+subscriptions
>

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1296504

Title:
  iwl3945 wireless connection becomes unreliable

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1296504/+subscriptions

-- 
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to