With a (cheap) video card in PCI Geforce 6200 (NV44A) with 256Mb video memory misdetected as 512 Mb : result was kernel panic in worst case and memory crash in best case
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
High
|
Unassigned |
Bug Description
Under XP
card detected as
PCI\VEN_
PCI\VEN_
PCI\VEN_
PCI\VEN_
memory range 94000000 94FFFFFF
memory range C0000000 DFFFFFFF
memory range 92000000 92FFFFFF
IRQ 09
IO range 03B0 03BB
IO range 03C0 03DF
memory range 000A0000 000BFFFF
Processeur graphique : GeForce 6200
Version du pilote : 307.83
Prise en charge DirectX : 9.0c
Horloge principale : 300 MHz
Débit de données mémoire : 1064 MHz
Interface de mémoire : 64 bits
Mémoire : 256 Mo
Type de mémoire : DDR2
Version BIOS vidéo : 5.44.A2.10.26
IRQ : 9
Bus : PCI
correctly detected as 256Mb and working
Under linux
file /var/log/Xorg.0.log
contains 18.759] (--) PCI: (0:3:9:0) 10de:0221:0000:0000 rev 161, Mem @ 0x94000000/
card bad detection ... 0xc0000000/
output of:
sudo lshw -C display; lsb_release -a; uname -a
is
jean@jean-Soisy:~$ sudo lshw -C display; lsb_release -a; uname -a
[sudo] password for jean:
*-display
description: Display controller
produit: 82865G Integrated Graphics Controller
fabriquant: Intel Corporation
identifiant matériel: 2
information bus: pci@0000:00:02.0
version: 02
bits: 32 bits
horloge: 33MHz
ressources: irq:16 mémoire:
*-display
description: VGA compatible controller
produit: NV44A [GeForce 6200]
fabriquant: NVIDIA Corporation
identifiant matériel: 9
information bus: pci@0000:03:09.0
version: a1
bits: 32 bits
horloge: 66MHz
ressources: irq:21 mémoire:
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.5 LTS
Release: 14.04
Codename: trusty
Linux jean-Soisy 3.13.0-135-generic #184-Ubuntu SMP Wed Oct 18 11:56:31 UTC 2017 i686 i686 i686 GNU/Linux
Attempted to find where the memory size detection lies in the code, but was too far in the labyrinth for me.
Regards
Jean COLIN
---
ApportVersion: 2.14.1-0ubuntu3.27
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
CurrentDesktop: XFCE
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=
InstallationDate: Installed on 2015-08-08 (985 days ago)
InstallationMedia: Xubuntu 12.04.3 LTS "Precise Pangolin" - Release i386 (20130820)
MachineType: IBM 8429RG7
Package: linux (not installed)
ProcFB:
0 inteldrmfb
1 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
RelatedPackageV
linux-
linux-
linux-firmware 1.127.24
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Tags: trusty
Uname: Linux 3.13.0-144-generic i686
UpgradeStatus: Upgraded to trusty on 2015-08-08 (985 days ago)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 07/06/2005
dmi.bios.vendor: IBM
dmi.bios.version: 2AKT51AUS
dmi.board.name: IBM
dmi.board.vendor: IBM
dmi.chassis.
dmi.chassis.type: 4
dmi.chassis.vendor: IBM
dmi.modalias: dmi:bvnIBM:
dmi.product.name: 8429RG7
dmi.sys.vendor: IBM
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