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* [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
@ 2007-02-09  6:38 S.Çağlar Onur
  2007-02-15 10:40 ` Pavel Machek
  0 siblings, 1 reply; 9+ messages in thread
From: S.Çağlar Onur @ 2007-02-09  6:38 UTC (permalink / raw)
  To: Pavel Machek; +Cc: lkml

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Hi;

With 2.6.20, resuming from disk sometimes cannot returns on vt7 where X runs 
but everything seems working, so just changing to vt1 and returning to vt7 
solves the problem. But dmesg shows some BUG() output like [1] whenever this 
problem occurs

I'm using 20070207 snapshot of suspend, s2disk is used to suspend2disk, 
machine is a Sony Vaio FS-215B which is in the whitelist and works well with 
2.6.16/17/18 (all have fbsplash and vesafb-tng patches [from gentoo] 
applied).

[1] http://cekirdek.pardus.org.tr/~caglar/dmesg.2.6.20

Cheers
-- 
S.Çağlar Onur <caglar@pardus.org.tr>
http://cekirdek.pardus.org.tr/~caglar/

Linux is like living in a teepee. No Windows, no Gates and an Apache in house!

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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
  2007-02-09  6:38 [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume S.Çağlar Onur
@ 2007-02-15 10:40 ` Pavel Machek
  2007-02-15 10:56   ` Andrew Morton
  0 siblings, 1 reply; 9+ messages in thread
From: Pavel Machek @ 2007-02-15 10:40 UTC (permalink / raw)
  To: S.Ça??lar Onur; +Cc: lkml

Hi!
> With 2.6.20, resuming from disk sometimes cannot returns on vt7 where X runs 
> but everything seems working, so just changing to vt1 and returning to vt7 
> solves the problem. But dmesg shows some BUG() output like [1] whenever this 
> problem occurs
> 
> I'm using 20070207 snapshot of suspend, s2disk is used to suspend2disk, 
> machine is a Sony Vaio FS-215B which is in the whitelist and works well with 
> 2.6.16/17/18 (all have fbsplash and vesafb-tng patches [from gentoo] 
> applied).
> 
> [1] http://cekirdek.pardus.org.tr/~caglar/dmesg.2.6.20

Contact fbcon people... They are calling do_blank_screen+0x4e/0x218
from fbcon_event_notify+0x8f1/0xa1e ... probably without taking
neccessary locks.

Aha, it seems their blanking code triggers _while_ resuming, which is
not exactly nice.

								Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
  2007-02-15 10:40 ` Pavel Machek
@ 2007-02-15 10:56   ` Andrew Morton
  2007-02-15 11:00     ` S.Çağlar Onur
  0 siblings, 1 reply; 9+ messages in thread
From: Andrew Morton @ 2007-02-15 10:56 UTC (permalink / raw)
  To: Pavel Machek; +Cc: S.Ça??lar Onur, lkml

On Thu, 15 Feb 2007 11:40:32 +0100 Pavel Machek <pavel@ucw.cz> wrote:

> Contact fbcon people...

There aren't any, basically.  Since Tony disappeared James has been helping out
but doesn't have a lot of time.  So we're pretty much on our own with problems in
this area.

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
  2007-02-15 10:56   ` Andrew Morton
@ 2007-02-15 11:00     ` S.Çağlar Onur
  2007-02-21 23:43       ` Antonino A. Daplas
  0 siblings, 1 reply; 9+ messages in thread
From: S.Çağlar Onur @ 2007-02-15 11:00 UTC (permalink / raw)
  To: Andrew Morton; +Cc: Pavel Machek, lkml

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15 Şub 2007 Per tarihinde, Andrew Morton şunları yazmıştı: 
> On Thu, 15 Feb 2007 11:40:32 +0100 Pavel Machek <pavel@ucw.cz> wrote:
> > Contact fbcon people...
>
> There aren't any, basically.  Since Tony disappeared James has been helping
> out but doesn't have a lot of time.  So we're pretty much on our own with
> problems in this area.

I already sent same mail to  
linux-fbdev-devel mailing lists at sf.net with hope :)

Cheers
-- 
S.Çağlar Onur <caglar@pardus.org.tr>
http://cekirdek.pardus.org.tr/~caglar/

Linux is like living in a teepee. No Windows, no Gates and an Apache in house!

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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
  2007-02-15 11:00     ` S.Çağlar Onur
@ 2007-02-21 23:43       ` Antonino A. Daplas
  2007-02-22 12:53         ` S.Çağlar Onur
  0 siblings, 1 reply; 9+ messages in thread
From: Antonino A. Daplas @ 2007-02-21 23:43 UTC (permalink / raw)
  To: caglar; +Cc: Andrew Morton, Pavel Machek, lkml

On Thu, 2007-02-15 at 13:00 +0200, S.Çağlar Onur wrote: 
> 15 Şub 2007 Per tarihinde, Andrew Morton şunları yazmıştı: 
> > On Thu, 15 Feb 2007 11:40:32 +0100 Pavel Machek <pavel@ucw.cz> wrote:
> > > Contact fbcon people...
> >
> > There aren't any, basically.  Since Tony disappeared James has been helping
> > out but doesn't have a lot of time.  So we're pretty much on our own with
> > problems in this area.
> 
> I already sent same mail to  
> linux-fbdev-devel mailing lists at sf.net with hope :)
> 
> Cheers

Interesting... It does look like this was triggered by calling
do_blank_screen() without taking the console semaphore, but
console_callback() should have taken that.

Second point is that vesafb does not have any blanking functionality,
thus it should not trigger fbcon_event_notify().  My guess is you are
using an out-of-tree vesafb?

BUG: at drivers/char/vt.c:3332 do_blank_screen() 
 [<c02881f7>] do_blank_screen+0x4e/0x218
 [<c02977fa>] fbcon_event_notify+0x8f1/0xa1e
 [<c027b2b0>] extract_buf+0xac/0xe1
 [<c0102002>] __switch_to+0xeb/0x15d
 [<c034bbe5>] __sched_text_start+0x865/0x929
 [<c029a50d>] bit_cursor+0x4c8/0x50b
 [<c034bd67>] wait_for_completion+0x79/0xaf
 [<c011cbe2>] default_wake_function+0x0/0xc
 [<c034ece2>] notifier_call_chain+0x19/0x32
 [<c012d1c6>] blocking_notifier_call_chain+0x23/0x33
 [<c028db54>] fb_blank+0x4a/0x53
 [<c0299028>] fbcon_blank+0xf4/0x1e3
 [<c0294f33>] fbcon_cursor+0x21c/0x250
 [<c029a045>] bit_cursor+0x0/0x50b
 [<c0129e90>] lock_timer_base+0x15/0x2f
 [<c0129eee>] try_to_del_timer_sync+0x44/0x4a
 [<c0298f34>] fbcon_blank+0x0/0x1e3
 [<c028835a>] do_blank_screen+0x1b1/0x218
 [<c028abdd>] console_callback+0xaf/0xbf
 [<c012fa59>] run_workqueue+0x85/0x135
 [<c028ab2e>] console_callback+0x0/0xbf
 [<c01302f0>] worker_thread+0x10a/0x136
 [<c011cbe2>] default_wake_function+0x0/0xc
 [<c01301e6>] worker_thread+0x0/0x136
 [<c0132982>] kthread+0xb2/0xdc
 [<c01328d0>] kthread+0x0/0xdc
 [<c0103a8f>] kernel_thread_helper+0x7/0x10

As for the last tracing, it looks to be valid bug to me.
complete_change_console() should be called with the console sem
taken. I'll look into this.

BUG: at drivers/char/vt.c:3486 set_palette()
 [<c0287538>] set_palette+0x41/0x59
 [<c028886f>] redraw_screen+0x110/0x17e
 [<c0282394>] complete_change_console+0x2a/0xba
 [<c028ab73>] console_callback+0x45/0xbf
 [<c012fa59>] run_workqueue+0x85/0x135
 [<c028ab2e>] console_callback+0x0/0xbf
 [<c01302f0>] worker_thread+0x10a/0x136
 [<c011cbe2>] default_wake_function+0x0/0xc
 [<c01301e6>] worker_thread+0x0/0x136
 [<c0132982>] kthread+0xb2/0xdc
 [<c01328d0>] kthread+0x0/0xdc
 [<c0103a8f>] kernel_thread_helper+0x7/0x10

Tony
 


^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
  2007-02-21 23:43       ` Antonino A. Daplas
@ 2007-02-22 12:53         ` S.Çağlar Onur
  2007-02-22 13:41           ` Antonino A. Daplas
  0 siblings, 1 reply; 9+ messages in thread
From: S.Çağlar Onur @ 2007-02-22 12:53 UTC (permalink / raw)
  To: Antonino A. Daplas; +Cc: Andrew Morton, Pavel Machek, lkml, spock

[-- Attachment #1: Type: text/plain, Size: 3398 bytes --]

Hi;

22 Şub 2007 Per tarihinde, Antonino A. Daplas şunları yazmıştı: 
> On Thu, 2007-02-15 at 13:00 +0200, S.Çağlar Onur wrote:
> > 15 Şub 2007 Per tarihinde, Andrew Morton şunları yazmıştı:
> > > On Thu, 15 Feb 2007 11:40:32 +0100 Pavel Machek <pavel@ucw.cz> wrote:
> > > > Contact fbcon people...
> > >
> > > There aren't any, basically.  Since Tony disappeared James has been
> > > helping out but doesn't have a lot of time.  So we're pretty much on
> > > our own with problems in this area.
> >
> > I already sent same mail to
> > linux-fbdev-devel mailing lists at sf.net with hope :)
> >
> > Cheers
>
> Interesting... It does look like this was triggered by calling
> do_blank_screen() without taking the console semaphore, but
> console_callback() should have taken that.
>
> Second point is that vesafb does not have any blanking functionality,
> thus it should not trigger fbcon_event_notify().  My guess is you are
> using an out-of-tree vesafb?

As i wrote we are using vesafb-tng [http://dev.gentoo.org/~spock/projects/] 
for a long time but this hits me only with 2.6.20 and only after 
suspend2disk, so im adding Michał Januszewski to CC if this is vesafb-tng 
related :).

> BUG: at drivers/char/vt.c:3332 do_blank_screen()
>  [<c02881f7>] do_blank_screen+0x4e/0x218
>  [<c02977fa>] fbcon_event_notify+0x8f1/0xa1e
>  [<c027b2b0>] extract_buf+0xac/0xe1
>  [<c0102002>] __switch_to+0xeb/0x15d
>  [<c034bbe5>] __sched_text_start+0x865/0x929
>  [<c029a50d>] bit_cursor+0x4c8/0x50b
>  [<c034bd67>] wait_for_completion+0x79/0xaf
>  [<c011cbe2>] default_wake_function+0x0/0xc
>  [<c034ece2>] notifier_call_chain+0x19/0x32
>  [<c012d1c6>] blocking_notifier_call_chain+0x23/0x33
>  [<c028db54>] fb_blank+0x4a/0x53
>  [<c0299028>] fbcon_blank+0xf4/0x1e3
>  [<c0294f33>] fbcon_cursor+0x21c/0x250
>  [<c029a045>] bit_cursor+0x0/0x50b
>  [<c0129e90>] lock_timer_base+0x15/0x2f
>  [<c0129eee>] try_to_del_timer_sync+0x44/0x4a
>  [<c0298f34>] fbcon_blank+0x0/0x1e3
>  [<c028835a>] do_blank_screen+0x1b1/0x218
>  [<c028abdd>] console_callback+0xaf/0xbf
>  [<c012fa59>] run_workqueue+0x85/0x135
>  [<c028ab2e>] console_callback+0x0/0xbf
>  [<c01302f0>] worker_thread+0x10a/0x136
>  [<c011cbe2>] default_wake_function+0x0/0xc
>  [<c01301e6>] worker_thread+0x0/0x136
>  [<c0132982>] kthread+0xb2/0xdc
>  [<c01328d0>] kthread+0x0/0xdc
>  [<c0103a8f>] kernel_thread_helper+0x7/0x10
>
> As for the last tracing, it looks to be valid bug to me.
> complete_change_console() should be called with the console sem
> taken. I'll look into this.

If testing needed just ask please :)

> BUG: at drivers/char/vt.c:3486 set_palette()
>  [<c0287538>] set_palette+0x41/0x59
>  [<c028886f>] redraw_screen+0x110/0x17e
>  [<c0282394>] complete_change_console+0x2a/0xba
>  [<c028ab73>] console_callback+0x45/0xbf
>  [<c012fa59>] run_workqueue+0x85/0x135
>  [<c028ab2e>] console_callback+0x0/0xbf
>  [<c01302f0>] worker_thread+0x10a/0x136
>  [<c011cbe2>] default_wake_function+0x0/0xc
>  [<c01301e6>] worker_thread+0x0/0x136
>  [<c0132982>] kthread+0xb2/0xdc
>  [<c01328d0>] kthread+0x0/0xdc
>  [<c0103a8f>] kernel_thread_helper+0x7/0x10
>
> Tony

Cheers
-- 
S.Çağlar Onur <caglar@pardus.org.tr>
http://cekirdek.pardus.org.tr/~caglar/

Linux is like living in a teepee. No Windows, no Gates and an Apache in house!

[-- Attachment #2: Type: application/pgp-signature, Size: 189 bytes --]

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
  2007-02-22 12:53         ` S.Çağlar Onur
@ 2007-02-22 13:41           ` Antonino A. Daplas
  2007-02-22 13:52             ` S.Çağlar Onur
  0 siblings, 1 reply; 9+ messages in thread
From: Antonino A. Daplas @ 2007-02-22 13:41 UTC (permalink / raw)
  To: caglar; +Cc: Andrew Morton, Pavel Machek, lkml, spock

On Thu, 2007-02-22 at 14:53 +0200, S.Çağlar Onur wrote:
> Hi;
> 
> 22 Şub 2007 Per tarihinde, Antonino A. Daplas şunları yazmıştı: 
> > On Thu, 2007-02-15 at 13:00 +0200, S.Çağlar Onur wrote:
> > > 15 Şub 2007 Per tarihinde, Andrew Morton şunları yazmıştı:
> > > > On Thu, 15 Feb 2007 11:40:32 +0100 Pavel Machek <pavel@ucw.cz> wrote:
> > > > > Contact fbcon people...
> > > >
> > > > There aren't any, basically.  Since Tony disappeared James has been
> > > > helping out but doesn't have a lot of time.  So we're pretty much on
> > > > our own with problems in this area.
> > >
> > > I already sent same mail to
> > > linux-fbdev-devel mailing lists at sf.net with hope :)
> > >
> > > Cheers
> >
> > Interesting... It does look like this was triggered by calling
> > do_blank_screen() without taking the console semaphore, but
> > console_callback() should have taken that.
> >
> > Second point is that vesafb does not have any blanking functionality,
> > thus it should not trigger fbcon_event_notify().  My guess is you are
> > using an out-of-tree vesafb?
> 
> As i wrote we are using vesafb-tng [http://dev.gentoo.org/~spock/projects/] 
> for a long time but this hits me only with 2.6.20 and only after 
> suspend2disk, so im adding Michał Januszewski to CC if this is vesafb-tng 
> related :).
> 

Ah, and you have fb_splash too.  That's why the tracing was not what I
expected it to be.

Try using video=vesafb:noblank to disable hardware blanking and find out
if you can still reproduce the oops.

> > BUG: at drivers/char/vt.c:3332 do_blank_screen()
> >  [<c02881f7>] do_blank_screen+0x4e/0x218
> >  [<c02977fa>] fbcon_event_notify+0x8f1/0xa1e
> >  [<c027b2b0>] extract_buf+0xac/0xe1
> >  [<c0102002>] __switch_to+0xeb/0x15d
> >  [<c034bbe5>] __sched_text_start+0x865/0x929
> >  [<c029a50d>] bit_cursor+0x4c8/0x50b
> >  [<c034bd67>] wait_for_completion+0x79/0xaf
> >  [<c011cbe2>] default_wake_function+0x0/0xc
> >  [<c034ece2>] notifier_call_chain+0x19/0x32
> >  [<c012d1c6>] blocking_notifier_call_chain+0x23/0x33
> >  [<c028db54>] fb_blank+0x4a/0x53
> >  [<c0299028>] fbcon_blank+0xf4/0x1e3
> >  [<c0294f33>] fbcon_cursor+0x21c/0x250
> >  [<c029a045>] bit_cursor+0x0/0x50b
> >  [<c0129e90>] lock_timer_base+0x15/0x2f
> >  [<c0129eee>] try_to_del_timer_sync+0x44/0x4a
> >  [<c0298f34>] fbcon_blank+0x0/0x1e3
> >  [<c028835a>] do_blank_screen+0x1b1/0x218
> >  [<c028abdd>] console_callback+0xaf/0xbf
> >  [<c012fa59>] run_workqueue+0x85/0x135
> >  [<c028ab2e>] console_callback+0x0/0xbf
> >  [<c01302f0>] worker_thread+0x10a/0x136
> >  [<c011cbe2>] default_wake_function+0x0/0xc
> >  [<c01301e6>] worker_thread+0x0/0x136
> >  [<c0132982>] kthread+0xb2/0xdc
> >  [<c01328d0>] kthread+0x0/0xdc
> >  [<c0103a8f>] kernel_thread_helper+0x7/0x10
> >
> > As for the last tracing, it looks to be valid bug to me.
> > complete_change_console() should be called with the console sem
> > taken. I'll look into this.
> 
> If testing needed just ask please :)

After grepping for change_console, all callers of change_console and
complete_change_console are acquiring the console semaphore, so I really
don't know what's going on here...

Since you are using a non-vanilla kernel, can you just do
a grep change_console of the kernel source and see if you can find a
caller that missed doing an acquire_console_sem().
 
> 
> > BUG: at drivers/char/vt.c:3486 set_palette()
> >  [<c0287538>] set_palette+0x41/0x59
> >  [<c028886f>] redraw_screen+0x110/0x17e
> >  [<c0282394>] complete_change_console+0x2a/0xba
> >  [<c028ab73>] console_callback+0x45/0xbf
> >  [<c012fa59>] run_workqueue+0x85/0x135
> >  [<c028ab2e>] console_callback+0x0/0xbf
> >  [<c01302f0>] worker_thread+0x10a/0x136
> >  [<c011cbe2>] default_wake_function+0x0/0xc
> >  [<c01301e6>] worker_thread+0x0/0x136
> >  [<c0132982>] kthread+0xb2/0xdc
> >  [<c01328d0>] kthread+0x0/0xdc
> >  [<c0103a8f>] kernel_thread_helper+0x7/0x10
> >
> > Tony
> 
> Cheers

Tony


^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
  2007-02-22 13:41           ` Antonino A. Daplas
@ 2007-02-22 13:52             ` S.Çağlar Onur
  2007-02-28 12:10               ` S.Çağlar Onur
  0 siblings, 1 reply; 9+ messages in thread
From: S.Çağlar Onur @ 2007-02-22 13:52 UTC (permalink / raw)
  To: Antonino A. Daplas; +Cc: Andrew Morton, Pavel Machek, lkml, spock

[-- Attachment #1: Type: text/plain, Size: 2028 bytes --]

Hi;

22 Şub 2007 Per tarihinde, Antonino A. Daplas şunları yazmıştı: 
> Ah, and you have fb_splash too.  That's why the tracing was not what I
> expected it to be.
>
> Try using video=vesafb:noblank to disable hardware blanking and find out
> if you can still reproduce the oops.

I'll try and also will try to reproduce with vanilla one.

> After grepping for change_console, all callers of change_console and
> complete_change_console are acquiring the console semaphore, so I really
> don't know what's going on here...
>
> Since you are using a non-vanilla kernel, can you just do
> a grep change_console of the kernel source and see if you can find a
> caller that missed doing an acquire_console_sem().

fbsplash and vesafb-tng has no change_console call and patched one seems same 
with vanilla one.

[caglar@zangetsu][~/svk/playground/caglar/kernel/kernel/files/gentoo]> grep 
change_console fbsplash-0.9.2-r5.patch
[caglar@zangetsu][~/svk/playground/caglar/kernel/kernel/files/gentoo]> grep 
change_console vesafb-tng-1.0-rc2.patch
[caglar@zangetsu][~/svk/playground/caglar/kernel/kernel/files/gentoo]>

zangetsu linux-2.6.20 # grep change_console *  -r
drivers/char/vt_ioctl.c:static void complete_change_console(struct vc_data 
*vc);
drivers/char/vt_ioctl.c:                                
complete_change_console(vc_cons[newvt].d);
drivers/char/vt_ioctl.c:static void complete_change_console(struct vc_data 
*vc)
drivers/char/vt_ioctl.c:         * clean up (similar to logic employed in 
change_console())
drivers/char/vt_ioctl.c:void change_console(struct vc_data *new_vc)
drivers/char/vt_ioctl.c:        complete_change_console(new_vc);
drivers/char/vt.c:                      
change_console(vc_cons[want_console].d);
include/linux/vt_kern.h:void change_console(struct vc_data *new_vc);

Cheers
-- 
S.Çağlar Onur <caglar@pardus.org.tr>
http://cekirdek.pardus.org.tr/~caglar/

Linux is like living in a teepee. No Windows, no Gates and an Apache in house!

[-- Attachment #2: Type: application/pgp-signature, Size: 189 bytes --]

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume
  2007-02-22 13:52             ` S.Çağlar Onur
@ 2007-02-28 12:10               ` S.Çağlar Onur
  0 siblings, 0 replies; 9+ messages in thread
From: S.Çağlar Onur @ 2007-02-28 12:10 UTC (permalink / raw)
  To: Antonino A. Daplas; +Cc: Andrew Morton, Pavel Machek, lkml, spock

[-- Attachment #1: Type: text/plain, Size: 1528 bytes --]

22 Şub 2007 Per tarihinde, S.Çağlar Onur şunları yazmıştı: 
> 22 Şub 2007 Per tarihinde, Antonino A. Daplas şunları yazmıştı:
> > Ah, and you have fb_splash too.  That's why the tracing was not what I
> > expected it to be.
> >
> > Try using video=vesafb:noblank to disable hardware blanking and find out
> > if you can still reproduce the oops.
>
> I'll try and also will try to reproduce with vanilla one.

Sorry for long delay, here are some more test results;

* using video=vesafb:noblank _sometimes_ causes hard freezes on resume, and 
_sometimes_ X can't start properly (it enters a weird "switch vt1 - wait for 
some seconds - switch vt7" loop and after ~10 minutes X starts magically!) 
whenever this happens system starts to become really unresponsive and dmesg 
and Xorg's logs shows nothing strange :(. I will try an older kernel with 
noblank to see its related or not.

* If system resumes normally with noblank (it can sometimes :)), dmesg shows 
no error at all, X starts normally and system works well.

* I cannot reproduce that BUG with _vanilla one_ but please note that i cannot 
easily reproduce that with patched one also (it occurs only once for ~20 
suspend2disk/resume cycle)

I'll try to test more and trying to reproduce, if i can find anything else 
i'll knock your door again :)

Cheers
-- 
S.Çağlar Onur <caglar@pardus.org.tr>
http://cekirdek.pardus.org.tr/~caglar/

Linux is like living in a teepee. No Windows, no Gates and an Apache in house!

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^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2007-02-28 12:09 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2007-02-09  6:38 [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume S.Çağlar Onur
2007-02-15 10:40 ` Pavel Machek
2007-02-15 10:56   ` Andrew Morton
2007-02-15 11:00     ` S.Çağlar Onur
2007-02-21 23:43       ` Antonino A. Daplas
2007-02-22 12:53         ` S.Çağlar Onur
2007-02-22 13:41           ` Antonino A. Daplas
2007-02-22 13:52             ` S.Çağlar Onur
2007-02-28 12:10               ` S.Çağlar Onur

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