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Message #41947
[Bug 144178] [NEW] Silicon Motion X driver fails to correctly restore text mode; requires modprobe vga16fb fbcon
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Binary package hint: linux-source-2.6.22
After installing from i386 Alternate CD (20070921.1) onto an Acer
Travelmate C104TCi (C100), the PC has no console video driver and
therefore virtual consoles aren't usable when switching away from GDM.
The reason is, there is no console video driver loaded. lsmod doesn't
show a module loaded.
Alt+F2 "sudo modprobe vga16fb fbcon"
in a terminal fixes this for the session. To fix it permanently the
initrd image needs updating:
$ sudo sh -c 'echo "vga16fb\nfbcon" >> /etc/initramfs-tools/modules"
$ sudo update-initramfs -u
After a reboot the consoles are usable.
This should have been installed by debian-installer.
$ lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation 82440MX Host Bridge [8086:7194] (rev 01)
00:00.1 Multimedia audio controller [0401]: Intel Corporation 82440MX AC'97 Audio Controller [8086:7195]
00:00.2 Modem [0703]: Intel Corporation 82440MX AC'97 Modem Controller [8086:7196]
00:02.0 VGA compatible controller [0300]: Silicon Motion, Inc. SM720 Lynx3DM [126f:0720] (rev c1)
00:03.0 CardBus bridge [0607]: O2 Micro, Inc. OZ6933/711E1 CardBus/SmartCardBus Controller [1217:6933] (rev 02)
00:03.1 CardBus bridge [0607]: O2 Micro, Inc. OZ6933/711E1 CardBus/SmartCardBus Controller [1217:6933] (rev 02)
00:04.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ [10ec:8139] (rev 10)
00:05.0 FireWire (IEEE 1394) [0c00]: Texas Instruments TSB43AB21 IEEE-1394a-2000 Controller (PHY/Link) [104c:8026]
00:07.0 ISA bridge [0601]: Intel Corporation 82440MX ISA Bridge [8086:7198] (rev 01)
00:07.1 IDE interface [0101]: Intel Corporation 82440MX EIDE Controller [8086:7199]
00:07.2 USB Controller [0c03]: Intel Corporation 82440MX USB Universal Host Controller [8086:719a]
00:07.3 Bridge [0680]: Intel Corporation 82440MX Power Management Controller [8086:719b]
$ sudo dmidecode
# dmidecode 2.9
SMBIOS 2.3 present.
37 structures occupying 1235 bytes.
Table at 0x000FD080.
Handle 0x0000, DMI type 0, 19 bytes
BIOS Information
Vendor: Wistron
Version: V3.3 R01-A4K EN
Release Date: 03/04/2003
Address: 0xF0000
Runtime Size: 64 kB
ROM Size: 512 kB
Characteristics:
ISA is supported
PCI is supported
PC Card (PCMCIA) is supported
PNP is supported
APM is supported
BIOS is upgradeable
BIOS shadowing is allowed
Boot from CD is supported
Selectable boot is supported
EDD is supported
Japanese floppy for NEC 9800 1.2 MB is supported (int 13h)
Japanese floppy for Toshiba 1.2 MB is supported (int 13h)
3.5"/720 KB floppy services are supported (int 13h)
3.5"/2.88 MB floppy services are supported (int 13h)
Print screen service is supported (int 5h)
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
CGA/mono video services are supported (int 10h)
ACPI is supported
USB legacy is supported
IEEE 1394 boot is supported
Smart battery is supported
Handle 0x0100, DMI type 1, 25 bytes
System Information
Manufacturer: ACER
Product Name: TravelMate C100
Version: -1
Serial Number: xxxxxxxxxxxxxxx
UUID: C0DEFF20-32E4-11D7-A965-E5B6CFC82539
Wake-up Type: Power Switch
Handle 0x0200, DMI type 2, 8 bytes
Base Board Information
Manufacturer: ACER
Product Name: Intel 440MX and PX4M
Version: -1
Serial Number: xxxxxxxxxxxxxxxx
** Affects: xf86-video-siliconmotion
Importance: Undecided
Status: New
** Affects: xorg (Ubuntu)
Importance: Low
Status: Incomplete
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Silicon Motion X driver fails to correctly restore text mode; requires modprobe vga16fb fbcon
https://bugs.launchpad.net/bugs/144178
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