Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Chris Rankin]

Hi,

I have just booted vanilla 2.6.16, and am having trouble with the cursor on my framebuffer
console. The cursor tracks the column correctly, but appears on a line too high up the screen.

All kernels up to 2.6.15 work correctly.

Cheers,
Chris

Linux version 2.6.16 (chris@volcano.underworld) (gcc version 3.4.4) #1 Mon Mar 20 22:07:09 GMT
2006
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
 BIOS-e820: 0000000000100000 - 0000000004000000 (usable)
 BIOS-e820: 00000000fffc0000 - 0000000100000000 (reserved)
64MB LOWMEM available.
On node 0 totalpages: 16384
  DMA zone: 4096 pages, LIFO batch:0
  DMA32 zone: 0 pages, LIFO batch:0
  Normal zone: 12288 pages, LIFO batch:3
  HighMem zone: 0 pages, LIFO batch:0
DMI 2.0 present.
Allocating PCI resources starting at 10000000 (gap: 04000000:fbfc0000)
Built 1 zonelists
Kernel command line: BOOT_IMAGE=2.6.16 ro root=302 mce video=matroxfb:vesa:0x11A
No local APIC present or hardware disabled
mapped APIC to ffffd000 (01081000)
Initializing CPU#0
CPU 0 irqstacks, hard=c02d3000 soft=c02d2000
PID hash table entries: 512 (order: 9, 8192 bytes)
Detected 199.433 MHz processor.
Using tsc for high-res timesource
Console: colour VGA+ 80x25
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 62484k/65536k available (1229k kernel code, 2660k reserved, 481k data, 128k init, 0k
highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 399.46 BogoMIPS (lpj=1997301)
Mount-cache hash table entries: 512
CPU: After generic identify, caps: 008001bf 00000000 00000000 00000000 00000000 00000000 00000000
CPU: After vendor identify, caps: 008001bf 00000000 00000000 00000000 00000000 00000000 00000000
Intel Pentium with F0 0F bug - workaround enabled.
CPU: After all inits, caps: 008001bf 00000000 00000000 00000000 00000000 00000000 00000000
Intel old style machine check architecture supported.
Intel old style machine check reporting enabled on CPU#0.
CPU: Intel Pentium MMX stepping 03
Checking 'hlt' instruction... OK.
NET: Registered protocol family 16
PCI: PCI BIOS revision 2.10 entry at 0xfd2c1, last bus=1
PCI: Using configuration type 1
Linux Plug and Play Support v0.97 (c) Adam Belay
PnPBIOS: Scanning system for PnP BIOS support...
PnPBIOS: Found PnP BIOS installation structure at 0xc00f9f60
PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0xa060, dseg 0x400
PnPBIOS: Missing SMALL_TAG_ENDDEP tag
PnPBIOS: Missing SMALL_TAG_ENDDEP tag
PnPBIOS: Missing SMALL_TAG_ENDDEP tag
PnPBIOS: Missing SMALL_TAG_ENDDEP tag
PnPBIOS: 15 nodes reported by PnP BIOS; 15 recorded by driver
PCI: Probing PCI hardware
PCI: Probing PCI hardware (bus 00)
Boot video device is 0000:00:0d.0
PCI: Bridge: 0000:00:0e.0
  IO window: f000-ffff
  MEM window: ff100000-ff9fffff
  PREFETCH window: ff000000-ff0fffff
PCI: Setting latency timer of device 0000:00:0e.0 to 64
apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
Initializing Cryptographic API
io scheduler noop registered
io scheduler deadline registered (default)
Limiting direct PCI/PCI transfers.
Activating ISA DMA hang workarounds.
matroxfb: Matrox Millennium II (PCI) detected
PInS memtype = 0
matroxfb: 1280x1024x16bpp (virtual: 1280x1638)
matroxfb: framebuffer at 0xFB000000, mapped to 0xc4880000, size 4194304
Console: switching to colour frame buffer device 160x64
fb0: MATROX frame buffer device
isapnp: Scanning for PnP cards...
pnp: SB audio device quirk - increasing port range
isapnp: Card 'Creative ViBRA16C PnP'
isapnp: Card 'U.S. Robotics 56K Voice INT'
isapnp: 2 Plug & Play cards detected total
Generic RTC Driver v1.07
PNP: PS/2 Controller [PNP0303,PNP0f13] at 0x60,0x64 irq 1,12
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
00:0c: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
pnp: Device 00:0d does not support resource configuration.
serial: probe of 00:0d failed with error -16
pnp: Device 01:02.00 activated.
01:02.00: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PIIX3: IDE controller at PCI slot 0000:00:07.1
PIIX3: chipset revision 0
PIIX3: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xefa0-0xefa7, BIOS settings: hda:pio, hdb:pio
    ide1: BM-DMA at 0xefa8-0xefaf, BIOS settings: hdc:pio, hdd:pio
Probing IDE interface ide0...
hda: WDC AC33200L, ATA DISK drive
hdb: WDC AC35100L, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Probing IDE interface ide1...
hdc: TOSHIBA CD-ROM XM-6002B, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
hda: max request size: 128KiB
hda: 6346368 sectors (3249 MB) w/256KiB Cache, CHS=6296/16/63, DMA
 hda: hda1 hda2 hda3
hdb: max request size: 128KiB
hdb: 10085040 sectors (5163 MB) w/256KiB Cache, CHS=10672/15/63, (U)DMA
hdb: cache flushes not supported
 hdb: hdb1 hdb2 hdb3 hdb4
mice: PS/2 mouse device common for all mice
NET: Registered protocol family 2
input: AT Translated Set 2 keyboard as /class/input/input0
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 4096 (order: 2, 16384 bytes)
TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
TCP reno registered
TCP bic registered
NET: Registered protocol family 1
Using IPI Shortcut mode
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Freeing unused kernel memory: 128k freed
input: ImPS/2 Generic Wheel Mouse as /class/input/input1
EXT3 FS on hda2, internal journal
Adding 105832k swap on /dev/hdb3.  Priority:1 extents:1 across:105832k
Adding 105832k swap on /dev/hdb4.  Priority:1 extents:1 across:105832k
Adding 48376k swap on /dev/hda3.  Priority:1 extents:1 across:48376k
kjournald starting.  Commit interval 5 seconds
EXT3 FS on hdb2, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on hdb1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
usbcore: registered new driver usbfs
usbcore: registered new driver hub
USB Universal Host Controller Interface driver v2.3
uhci_hcd 0000:00:07.2: UHCI Host Controller
uhci_hcd 0000:00:07.2: new USB bus registered, assigned bus number 1
uhci_hcd 0000:00:07.2: irq 11, io base 0x0000ef80
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
e100: Intel(R) PRO/100 Network Driver, 3.5.10-k2-NAPI
e100: Copyright(c) 1999-2005 Intel Corporation
e100: eth0: e100_probe: addr 0xffbeb000, irq 10, MAC addr 00:90:27:76:D0:EC
e100: eth1: e100_probe: addr 0xff0fe000, irq 11, MAC addr 00:03:47:3B:29:5C
e100: eth2: e100_probe: addr 0xff0ff000, irq 10, MAC addr 00:03:47:3B:29:5D
e100: eth0: e100_watchdog: link up, 100Mbps, full-duplex
e100: eth1: e100_watchdog: link up, 100Mbps, full-duplex
e100: eth2: e100_watchdog: link up, 100Mbps, full-duplex
Bridge firewalling registered
device eth1 entered promiscuous mode
device eth2 entered promiscuous mode
br0: port 2(eth2) entering learning state
br0: port 1(eth1) entering learning state
parport: PnPBIOS parport detected.
parport0: PC-style at 0x378 (0x778), irq 7, dma 3 [PCSPP,TRISTATE,COMPAT,ECP,DMA]
br0: topology change detected, propagating
br0: port 2(eth2) entering forwarding state
br0: topology change detected, propagating
br0: port 1(eth1) entering forwarding state
pnp: Device 01:01.00 activated.
ip_tables: (C) 2000-2006 Netfilter Core Team
ip_conntrack version 2.4 (512 buckets, 4096 max) - 228 bytes per conntrack
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
IPv6 over IPv4 tunneling driver
ip6_tables: (C) 2000-2006 Netfilter Core Team
prism2usb_init: prism2_usb.o: 0.2.4 Loaded
prism2usb_init: dev_info is: prism2_usb
usbcore: registered new driver prism2_usb
process `syslogd' is using obsolete setsockopt SO_BSDCOMPAT
process `named' is using obsolete setsockopt SO_BSDCOMPAT
Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory
NFSD: starting 90-second grace period
hdc: ATAPI 16X CD-ROM drive, 256kB Cache, DMA
Uniform CD-ROM driver Revision: 3.20
input: PC Speaker as /class/input/input2

#
# Graphics support
#
CONFIG_FB=y
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
# CONFIG_FB_MACMODES is not set
# CONFIG_FB_MODE_HELPERS is not set
CONFIG_FB_TILEBLITTING=y

CONFIG_FB_MATROX=y
CONFIG_FB_MATROX_MILLENIUM=y

#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
# CONFIG_MDA_CONSOLE is not set
CONFIG_DUMMY_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE=y
# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
# CONFIG_FONTS is not set
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y

#
# Logo configuration
#
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
CONFIG_LOGO_LINUX_CLUT224=y
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set

Cheers,
Chris



		
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Re: Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Antonino A. Daplas]

Chris Rankin wrote:
> Hi,
> 
> I have just booted vanilla 2.6.16, and am having trouble with the cursor on my framebuffer
> console. The cursor tracks the column correctly, but appears on a line too high up the screen.

How high? Is the offset constant?

> 
> All kernels up to 2.6.15 work correctly.

Can you try booting with video=matroxfb:noaccel?

Tony


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Re: Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Chris Rankin]

Hmm, the effect is no longer happening on my console, although it was at a consistent height
before. (As if someone thought that the framebuffer had fewer lines than it actually did.)

The machine is a busy one that is awkward to reboot. I'll try and schedule something.

Cheers,
Chris

--- "Antonino A. Daplas" <adaplas@gmail.com> wrote:

> Chris Rankin wrote:
> > Hi,
> > 
> > I have just booted vanilla 2.6.16, and am having trouble with the cursor on my framebuffer
> > console. The cursor tracks the column correctly, but appears on a line too high up the screen.
> 
> How high? Is the offset constant?
> 
> > 
> > All kernels up to 2.6.15 work correctly.
> 
> Can you try booting with video=matroxfb:noaccel?
> 
> Tony
> 



		
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Re: Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Antonino A. Daplas]

Chris Rankin wrote:
> Hmm, the effect is no longer happening on my console, although it was at a consistent height
> before. (As if someone thought that the framebuffer had fewer lines than it actually did.)

Someone reported a similar problem, with a different driver.  It seems to be related to
an init script running kbd.

> 
> The machine is a busy one that is awkward to reboot. I'll try and schedule something.

Don't bother then, just check first if it's related to an rc script running kbd.

Tony


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Re: Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Dave Airlie]

On 3/23/06, Chris Rankin <rankincj@yahoo.com> wrote:
> Hmm, the effect is no longer happening on my console, although it was at a consistent height
> before. (As if someone thought that the framebuffer had fewer lines than it actually did.)
>

Happens for me with my intelfb tree, on first entry to fbcon.. a VT
switch fixes it...

Dave.

> The machine is a busy one that is awkward to reboot. I'll try and schedule something.
>
> Cheers,
> Chris
>
> --- "Antonino A. Daplas" <adaplas@gmail.com> wrote:
>
> > Chris Rankin wrote:
> > > Hi,
> > >
> > > I have just booted vanilla 2.6.16, and am having trouble with the cursor on my framebuffer
> > > console. The cursor tracks the column correctly, but appears on a line too high up the screen.
> >
> > How high? Is the offset constant?
> >
> > >
> > > All kernels up to 2.6.15 work correctly.
> >
> > Can you try booting with video=matroxfb:noaccel?
> >
> > Tony
> >
>
>
>
>
> ___________________________________________________________
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>
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Re: Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Antonino A. Daplas]

Dave Airlie wrote:
> On 3/23/06, Chris Rankin <rankincj@yahoo.com> wrote:
>> Hmm, the effect is no longer happening on my console, although it was at a consistent height
>> before. (As if someone thought that the framebuffer had fewer lines than it actually did.)
>>
> 
> Happens for me with my intelfb tree, on first entry to fbcon.. a VT
> switch fixes it...

Hmm, I cannot duplicate this, but I haven't tried 2.6.16 yet, as I almost always
boot to an mm kernel. And that I use a relatively old distrib (Suse 9.0) may be a
factor. I'll check if I can duplicate this with 2.6.16, and with a machine at work
with Suse 10.0.

Tony


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Re: Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Chris Rankin]

--- "Antonino A. Daplas" <adaplas@gmail.com> wrote:
> Someone reported a similar problem, with a different driver.  It seems to be related to
> an init script running kbd.
> Don't bother then, just check first if it's related to an rc script running kbd.

I do have this line in my rc.S script:

loadkeys uk < /dev/console > /dev/console

However, I need this line (don't I?).

Cheers,
Chris



		
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Re: Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Antonino A. Daplas]

Chris Rankin wrote:
> --- "Antonino A. Daplas" <adaplas@gmail.com> wrote:
>> Someone reported a similar problem, with a different driver.  It seems to be related to
>> an init script running kbd.
>> Don't bother then, just check first if it's related to an rc script running kbd.
> 
> I do have this line in my rc.S script:
> 
> loadkeys uk < /dev/console > /dev/console
> 
> However, I need this line (don't I?).

Not saying you don't :-)  However, if this particular line is really causing the
cursor problem, you can workaround it by doing an stty cols <value> rows <value>
immediately after.

In the meantime, and if you can confirm that kbd is indeed the cause, I'll try to
duplicate this and find the underlying  cause.

Tony


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Re: Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Dave Airlie]

> >
> > loadkeys uk < /dev/console > /dev/console
> >
> > However, I need this line (don't I?).
>
> Not saying you don't :-)  However, if this particular line is really causing the
> cursor problem, you can workaround it by doing an stty cols <value> rows <value>
> immediately after.
>
> In the meantime, and if you can confirm that kbd is indeed the cause, I'll try to
> duplicate this and find the underlying  cause.

Just to let you know what I do, I boot up in text mode, ssh in and
modprobe my fb driver then fbcon... I don't touch the console during
that time.. if I vt switch and come back it works fine..

Dave.


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Re: Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Antonino A. Daplas]

Dave Airlie wrote:
>>> loadkeys uk < /dev/console > /dev/console
>>>
>>> However, I need this line (don't I?).
>> Not saying you don't :-)  However, if this particular line is really causing the
>> cursor problem, you can workaround it by doing an stty cols <value> rows <value>
>> immediately after.
>>
>> In the meantime, and if you can confirm that kbd is indeed the cause, I'll try to
>> duplicate this and find the underlying  cause.
> 
> Just to let you know what I do, I boot up in text mode, ssh in and
> modprobe my fb driver then fbcon... I don't touch the console during
> that time.. if I vt switch and come back it works fine..
> 

Does the position of the cursor before loading fbcon make a difference?

Can you try positioning your cursor at the very top of the screen and
at the very bottom of the screen before loading fbcon? Does it make a difference?

Can you also post the window size before and after loading fbcon?  Just do an
stty -a before and after.

Tony  


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Re: Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Chris Rankin]

--- Dave Airlie <airlied@gmail.com> wrote:
> Just to let you know what I do, I boot up in text mode, ssh in and
> modprobe my fb driver then fbcon... I don't touch the console during
> that time.. if I vt switch and come back it works fine..

If vt-switching "fixes" things then that would explain why I can't reproduce this bug now.

Cheers,
Chris


		
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Re: Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Antonino A. Daplas]

Chris Rankin wrote:
> --- Dave Airlie <airlied@gmail.com> wrote:
>> Just to let you know what I do, I boot up in text mode, ssh in and
>> modprobe my fb driver then fbcon... I don't touch the console during
>> that time.. if I vt switch and come back it works fine..
> 
> If vt-switching "fixes" things then that would explain why I can't reproduce this bug now.
> 

Can you both try this patch?

Tony

diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index eb46629..bf4aeb5 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -1142,6 +1142,7 @@ static void fbcon_init(struct vc_data *v
 		set_blitting_type(vc, info);
 	}
 
+	ops->p = &fb_display[fg_console];
 }
 
 static void fbcon_deinit(struct vc_data *vc)


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Re: Linux 2.6.16: Cursor trouble on Matrox Millenium II framebuffer

[Chris Rankin]

--- "Antonino A. Daplas" <adaplas@gmail.com> wrote:
> Chris Rankin wrote:
> > --- Dave Airlie <airlied@gmail.com> wrote:
> >> Just to let you know what I do, I boot up in text mode, ssh in and
> >> modprobe my fb driver then fbcon... I don't touch the console during
> >> that time.. if I vt switch and come back it works fine..
> > 
> > If vt-switching "fixes" things then that would explain why I can't reproduce this bug now.
> > 
> 
> Can you both try this patch?
> 
> Tony
> 
> diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
> index eb46629..bf4aeb5 100644
> --- a/drivers/video/console/fbcon.c
> +++ b/drivers/video/console/fbcon.c
> @@ -1142,6 +1142,7 @@ static void fbcon_init(struct vc_data *v
>  		set_blitting_type(vc, info);
>  	}
>  
> +	ops->p = &fb_display[fg_console];
>  }
>  
>  static void fbcon_deinit(struct vc_data *vc)

That seems to have worked.

Cheers,
Chris



		
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