2.6.35-rc2,3,3-git1 -- Problem with PS2 keyboard and mouse driver
That problem continues at -git6 .
Since 2.6.35-rc2 the USB keyboard driver don't work longer, on different mainboards and keyboards.
On 2.6.35-rc1 things still were (more or less) normal.
THIS IS AN ERROR WHICH ENTERED BETWEEN 2.6.35 -rc1 and -rc2 !!
werner landgraf
[email protected] wrote:
> 2.6.35-rc2,3,3-git1 -- Problem with PS2 keyboard and mouse driver
>
> That problem continues at -git6 .
>
> Since 2.6.35-rc2 the USB keyboard driver don't work longer, on
> different mainboards and keyboards.
>
> On 2.6.35-rc1 things still were (more or less) normal.
>
> THIS IS AN ERROR WHICH ENTERED BETWEEN 2.6.35 -rc1 and -rc2 !!
The address 07200720 looks like a couple of gray spaces in a vga console
and I've seen that before not long ago.
After a bit of searching, I've found it: it's in the thread that started
with "Linux 2.6.35-rc2", and most importantly in the thread:
BUG kmalloc-4096: Poison overwritten (2.6.35-rc2)
where there is a patch that is supposed to fix this. I thought this was
already applied upstream, though...
For your convenience, the patch in that thread is this one (might be
white space mangled, as I just copy+pasted it, so you might need to
apply it by hand):
---
drivers/char/vt.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 1296c42..e123958 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -304,8 +304,8 @@ static void scrup(struct vc_data *vc, unsigned int
t, unsigned int b, int nr)
d = (unsigned short *)(vc->vc_origin + vc->vc_size_row * t);
s = (unsigned short *)(vc->vc_origin + vc->vc_size_row * (t + nr));
scr_memmovew(d, s, (b - t - nr) * vc->vc_size_row);
- scr_memsetw(d + (b - t - nr) * vc->vc_size_row, vc->vc_video_erase_char,
- vc->vc_size_row * nr);
+ scr_memsetw((void *)d + (b - t - nr) * vc->vc_size_row,
+ vc->vc_video_erase_char, vc->vc_size_row * nr);
}
static void scrdown(struct vc_data *vc, unsigned int t, unsigned int b,
int nr)
On piątek, 2 lipca 2010 o 05:34:10 [email protected] wrote:
> 2.6.35-rc2,3,3-git1 -- Problem with PS2 keyboard and mouse driver
>
> That problem continues at -git6 .
>
> Since 2.6.35-rc2 the USB keyboard driver don't work longer, on different
> mainboards and keyboards.
>
> On 2.6.35-rc1 things still were (more or less) normal.
>
> THIS IS AN ERROR WHICH ENTERED BETWEEN 2.6.35 -rc1 and -rc2 !!
>
> werner landgraf
I created a Bugzilla entry at
https://bugzilla.kernel.org/show_bug.cgi?id=16332
for your bug report, please add your address to the CC list in there, thanks!
--
Maciej Rutecki
http://www.maciek.unixy.pl
I compiled 2.6.35-rc3-git7 applying this patch, but the problem continues.
I have an USB keyboard and mouse. For BIOS and lilo the keyboard works normally. However, when the kernel loads, it stops imediately. I can check this by pressing repeatedly the key lock and observing when the light don't blink.
On -rc2 came arbitrarily characters (but only 1 por line) on the text screen. A PS2 keyboard blocks completely as explained above (and also the PS2 mouse t dont work), an USB keyboard worked almost normally in the grafic mode(also the PS2 mouse worked),
But on -rc3 , no kind of keyboard didn't work anymore.
Rebooting with 2.6.35-rc1, everything works normal.
Thus, the error entered between -rc1 and -rc2 , on something what was changed also till -rc3 so that it then become more worse.
Werner Landgraf
===============================================
On 02/Jul/2010 09:05 Paulo Marques wrote ..
> [email protected] wrote:
> > 2.6.35-rc2,3,3-git1 -- Problem with PS2 keyboard and mouse driver
> >
> > That problem continues at -git6 .
> >
> > Since 2.6.35-rc2 the USB keyboard driver don't work longer, on
> > different mainboards and keyboards.
> >
> > On 2.6.35-rc1 things still were (more or less) normal.
> >
> > THIS IS AN ERROR WHICH ENTERED BETWEEN 2.6.35 -rc1 and -rc2 !!
>
> The address 07200720 looks like a couple of gray spaces in a vga console
> and I've seen that before not long ago.
>
> After a bit of searching, I've found it: it's in the thread that started
> with "Linux 2.6.35-rc2", and most importantly in the thread:
>
> BUG kmalloc-4096: Poison overwritten (2.6.35-rc2)
>
> where there is a patch that is supposed to fix this. I thought this was
> already applied upstream, though...
>
> For your convenience, the patch in that thread is this one (might be
> white space mangled, as I just copy+pasted it, so you might need to
> apply it by hand):
>
> ---
> drivers/char/vt.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/char/vt.c b/drivers/char/vt.c
> index 1296c42..e123958 100644
> --- a/drivers/char/vt.c
> +++ b/drivers/char/vt.c
> @@ -304,8 +304,8 @@ static void scrup(struct vc_data *vc, unsigned int
> t, unsigned int b, int nr)
> d = (unsigned short *)(vc->vc_origin + vc->vc_size_row * t);
> s = (unsigned short *)(vc->vc_origin + vc->vc_size_row * (t + nr));
> scr_memmovew(d, s, (b - t - nr) * vc->vc_size_row);
> - scr_memsetw(d + (b - t - nr) * vc->vc_size_row, vc->vc_video_erase_char,
> - vc->vc_size_row * nr);
> + scr_memsetw((void *)d + (b - t - nr) * vc->vc_size_row,
> + vc->vc_video_erase_char, vc->vc_size_row * nr);
> }
>
> static void scrdown(struct vc_data *vc, unsigned int t, unsigned int b,
> int nr)
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