Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-30 Thread Ian Campbell
On Sun, 2010-08-29 at 21:22 +0100, Ben Hutchings wrote:
 On Fri, Aug 27, 2010 at 10:51:10AM +0100, Ian Campbell wrote:
 [...]
  BTW, should I port my lintian fixes over from trunk?
 
 Yes please.

Done.

Thanks,
Ian.

-- 
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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-29 Thread Ben Hutchings
On Fri, Aug 27, 2010 at 10:51:10AM +0100, Ian Campbell wrote:
[...]
 BTW, should I port my lintian fixes over from trunk?

Yes please.

 I guess its mostly a manual process?
 
diff and patch should take you most of the way.  But no, merging or
cherry-picking with svn is not so automatic.

Ben.

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  - Albert Camus


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-27 Thread Ian Campbell
On Fri, 2010-08-27 at 03:59 +0100, Ben Hutchings wrote:
 On Wed, 2010-08-25 at 13:20 +0100, Ian Campbell wrote:
  On Wed, 2010-08-25 at 13:07 +0100, Ben Hutchings wrote:
   On Wed, 2010-08-25 at 09:54 +0100, Ian Campbell wrote:
On Wed, 2010-08-25 at 07:11 +0100, Ian Campbell wrote:
 On Wed, 2010-08-25 at 01:13 +0100, Ben Hutchings wrote:
  I have had to revert the addition of pvhvm because it causes
  an instant panic under KVM (at least in a 64-bit kernel).
 
 Ouch, I didn't think to try that combo!
 
 I don't suppose you managed to catch the stack anywhere? I'll try and
 repro today.

So the fix is pretty simple (and the omission pretty embarrassing) but I
guess you'd prefer me to wait until after 2.6.32-21 before I update the
patches?
   [...]
   
   I'm not going to restart the build now, but we can reenable them in -22.
  
  Sure.
 
 Feel free to do that now.

I have just done this. I used your name for the last line of the new
stanza in debian/changelog, hope that was the right thing to do.

BTW, should I port my lintian fixes over from trunk? I guess its mostly
a manual process?

Ian.
-- 
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Current Noise: Tool - Mantra

Staff meeting in the conference room in %d minutes.


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-26 Thread Ben Hutchings
On Wed, 2010-08-25 at 13:20 +0100, Ian Campbell wrote:
 On Wed, 2010-08-25 at 13:07 +0100, Ben Hutchings wrote:
  On Wed, 2010-08-25 at 09:54 +0100, Ian Campbell wrote:
   On Wed, 2010-08-25 at 07:11 +0100, Ian Campbell wrote:
On Wed, 2010-08-25 at 01:13 +0100, Ben Hutchings wrote:
 I have had to revert the addition of pvhvm because it causes
 an instant panic under KVM (at least in a 64-bit kernel).

Ouch, I didn't think to try that combo!

I don't suppose you managed to catch the stack anywhere? I'll try and
repro today.
   
   So the fix is pretty simple (and the omission pretty embarrassing) but I
   guess you'd prefer me to wait until after 2.6.32-21 before I update the
   patches?
  [...]
  
  I'm not going to restart the build now, but we can reenable them in -22.
 
 Sure.

Feel free to do that now.

  Relatedly, why did you set CONFIG_XEN_PLATFORM_PCI=y and not =m?  It's
  generally preferable to enable features as modules where possible so
  they don't waste memory for users that don't need them.
 
 I did set it =m at first but there is no explicit dependency between
 e.g. net-blkfront and the platform-pci driver so things like mkinitramfs
 would not pick it up automatically without modifications to the
 userspace stuff.
 
 The module is ~1.7k so I figured building it in was a worthwhile
 trade-off in this case. (actually, I think this size includes init text
 +data etc, looking at objdump -h the final size looks to be .text 0xc0
 + .data 0xe0 + .bss 0x20 + .rodata 0x168 = ~0.8k total)

OK, that's not too bad.

Ben.

-- 
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Once a job is fouled up, anything done to improve it makes it worse.


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-25 Thread Ian Campbell
On Wed, 2010-08-25 at 01:13 +0100, Ben Hutchings wrote:
 On Mon, 2010-08-23 at 15:22 +0100, Ian Campbell wrote:
  On Mon, 2010-08-23 at 17:11 +0300, Pasi Kärkkäinen wrote:
   On Sun, Aug 22, 2010 at 01:16:20AM +0300, Pasi Kärkkäinen wrote:
On Sat, Aug 21, 2010 at 10:27:16PM +0100, Ian Campbell wrote:
 On Sat, 2010-08-21 at 23:52 +0300, Pasi Kärkkäinen wrote:
  On Tue, Aug 17, 2010 at 09:28:32PM +0200, Bastian Blank wrote:
   Please send such mails to the maintainer of the package, not me.
   
   On Tue, Aug 17, 2010 at 08:55:33PM +0300, Pasi Kärkkäinen wrote:
Is there a plan to update the dom0-capable kernel to the latest
version from xen/stable-2.6.32.x branch?
   
   On the way.
   
  
  Oh, kernel update form xen/stable-2.6.32.x will bring
  Xen PV-on-HVM drivers aswell..
 
 These drivers have also been backported to the regular 2.6.32 flavour
 for Squeeze so you won't need the Xen flavour to get this 
 functionality.
 

Oh nice! Thanks.

   
   Btw which kernel release in squeeze/testing adds these pv-on-hvm drivers? 
  
  It will be in 2.6.32-21 which AIUI will be uploaded to Sid shortly.
  Sorry, it was misleading of me to suggest it was already in Squeeze.
 
 Sadly not.  I have had to revert the addition of pvhvm because it causes
 an instant panic under KVM (at least in a 64-bit kernel).

Ouch, I didn't think to try that combo!

I don't suppose you managed to catch the stack anywhere? I'll try and
repro today.

Ian.

-- 
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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-25 Thread Thomas Goirand
Ben Hutchings wrote:
 On Mon, 2010-08-23 at 15:22 +0100, Ian Campbell wrote:
 On Mon, 2010-08-23 at 17:11 +0300, Pasi Kärkkäinen wrote:
 On Sun, Aug 22, 2010 at 01:16:20AM +0300, Pasi Kärkkäinen wrote:
 On Sat, Aug 21, 2010 at 10:27:16PM +0100, Ian Campbell wrote:
 On Sat, 2010-08-21 at 23:52 +0300, Pasi Kärkkäinen wrote:
 On Tue, Aug 17, 2010 at 09:28:32PM +0200, Bastian Blank wrote:
 Please send such mails to the maintainer of the package, not me.

 On Tue, Aug 17, 2010 at 08:55:33PM +0300, Pasi Kärkkäinen wrote:
 Is there a plan to update the dom0-capable kernel to the latest
 version from xen/stable-2.6.32.x branch?
 On the way.

 Oh, kernel update form xen/stable-2.6.32.x will bring
 Xen PV-on-HVM drivers aswell..
 These drivers have also been backported to the regular 2.6.32 flavour
 for Squeeze so you won't need the Xen flavour to get this functionality.

 Oh nice! Thanks.

 Btw which kernel release in squeeze/testing adds these pv-on-hvm drivers? 
 It will be in 2.6.32-21 which AIUI will be uploaded to Sid shortly.
 Sorry, it was misleading of me to suggest it was already in Squeeze.
 
 Sadly not.  I have had to revert the addition of pvhvm because it causes
 an instant panic under KVM (at least in a 64-bit kernel).
 
 Ben.

Can't this then be added as a Xen only patch?

Thomas


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-25 Thread Ian Campbell
On Wed, 2010-08-25 at 07:11 +0100, Ian Campbell wrote:
 On Wed, 2010-08-25 at 01:13 +0100, Ben Hutchings wrote:
  I have had to revert the addition of pvhvm because it causes
  an instant panic under KVM (at least in a 64-bit kernel).
 
 Ouch, I didn't think to try that combo!
 
 I don't suppose you managed to catch the stack anywhere? I'll try and
 repro today.

So the fix is pretty simple (and the omission pretty embarrassing) but I
guess you'd prefer me to wait until after 2.6.32-21 before I update the
patches?

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 50fbf65..37d30e4 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1220,6 +1220,9 @@ static int init_hvm_pv_info(int *major, int *minor)
u64 pfn;
 
base = xen_cpuid_base();
+   if (!base)
+   return -EINVAL;
+
cpuid(base + 1, eax, ebx, ecx, edx);
 
*major = eax  16;



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Current Noise: I - Days Of North Winds

I'm not a level-headed person...-- Bruce Perens


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-25 Thread Ben Hutchings
On Wed, 2010-08-25 at 09:54 +0100, Ian Campbell wrote:
 On Wed, 2010-08-25 at 07:11 +0100, Ian Campbell wrote:
  On Wed, 2010-08-25 at 01:13 +0100, Ben Hutchings wrote:
   I have had to revert the addition of pvhvm because it causes
   an instant panic under KVM (at least in a 64-bit kernel).
  
  Ouch, I didn't think to try that combo!
  
  I don't suppose you managed to catch the stack anywhere? I'll try and
  repro today.
 
 So the fix is pretty simple (and the omission pretty embarrassing) but I
 guess you'd prefer me to wait until after 2.6.32-21 before I update the
 patches?
[...]

I'm not going to restart the build now, but we can reenable them in -22.

Relatedly, why did you set CONFIG_XEN_PLATFORM_PCI=y and not =m?  It's
generally preferable to enable features as modules where possible so
they don't waste memory for users that don't need them.

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-25 Thread Ian Campbell
On Wed, 2010-08-25 at 13:07 +0100, Ben Hutchings wrote:
 On Wed, 2010-08-25 at 09:54 +0100, Ian Campbell wrote:
  On Wed, 2010-08-25 at 07:11 +0100, Ian Campbell wrote:
   On Wed, 2010-08-25 at 01:13 +0100, Ben Hutchings wrote:
I have had to revert the addition of pvhvm because it causes
an instant panic under KVM (at least in a 64-bit kernel).
   
   Ouch, I didn't think to try that combo!
   
   I don't suppose you managed to catch the stack anywhere? I'll try and
   repro today.
  
  So the fix is pretty simple (and the omission pretty embarrassing) but I
  guess you'd prefer me to wait until after 2.6.32-21 before I update the
  patches?
 [...]
 
 I'm not going to restart the build now, but we can reenable them in -22.

Sure.

 Relatedly, why did you set CONFIG_XEN_PLATFORM_PCI=y and not =m?  It's
 generally preferable to enable features as modules where possible so
 they don't waste memory for users that don't need them.

I did set it =m at first but there is no explicit dependency between
e.g. net-blkfront and the platform-pci driver so things like mkinitramfs
would not pick it up automatically without modifications to the
userspace stuff.

The module is ~1.7k so I figured building it in was a worthwhile
trade-off in this case. (actually, I think this size includes init text
+data etc, looking at objdump -h the final size looks to be .text 0xc0
+ .data 0xe0 + .bss 0x20 + .rodata 0x168 = ~0.8k total)

Ian.
-- 
Ian Campbell

  Talking about a piece of movie dialogue: Let's have some new
  cliches. -Samuel Goldwyn


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-24 Thread Ben Hutchings
On Mon, 2010-08-23 at 15:22 +0100, Ian Campbell wrote:
 On Mon, 2010-08-23 at 17:11 +0300, Pasi Kärkkäinen wrote:
  On Sun, Aug 22, 2010 at 01:16:20AM +0300, Pasi Kärkkäinen wrote:
   On Sat, Aug 21, 2010 at 10:27:16PM +0100, Ian Campbell wrote:
On Sat, 2010-08-21 at 23:52 +0300, Pasi Kärkkäinen wrote:
 On Tue, Aug 17, 2010 at 09:28:32PM +0200, Bastian Blank wrote:
  Please send such mails to the maintainer of the package, not me.
  
  On Tue, Aug 17, 2010 at 08:55:33PM +0300, Pasi Kärkkäinen wrote:
   Is there a plan to update the dom0-capable kernel to the latest
   version from xen/stable-2.6.32.x branch?
  
  On the way.
  
 
 Oh, kernel update form xen/stable-2.6.32.x will bring
 Xen PV-on-HVM drivers aswell..

These drivers have also been backported to the regular 2.6.32 flavour
for Squeeze so you won't need the Xen flavour to get this functionality.

   
   Oh nice! Thanks.
   
  
  Btw which kernel release in squeeze/testing adds these pv-on-hvm drivers? 
 
 It will be in 2.6.32-21 which AIUI will be uploaded to Sid shortly.
 Sorry, it was misleading of me to suggest it was already in Squeeze.

Sadly not.  I have had to revert the addition of pvhvm because it causes
an instant panic under KVM (at least in a 64-bit kernel).

Ben.

-- 
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Once a job is fouled up, anything done to improve it makes it worse.


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-23 Thread Pasi Kärkkäinen
On Sun, Aug 22, 2010 at 01:16:20AM +0300, Pasi Kärkkäinen wrote:
 On Sat, Aug 21, 2010 at 10:27:16PM +0100, Ian Campbell wrote:
  On Sat, 2010-08-21 at 23:52 +0300, Pasi Kärkkäinen wrote:
   On Tue, Aug 17, 2010 at 09:28:32PM +0200, Bastian Blank wrote:
Please send such mails to the maintainer of the package, not me.

On Tue, Aug 17, 2010 at 08:55:33PM +0300, Pasi Kärkkäinen wrote:
 Is there a plan to update the dom0-capable kernel to the latest
 version from xen/stable-2.6.32.x branch?

On the way.

   
   Oh, kernel update form xen/stable-2.6.32.x will bring
   Xen PV-on-HVM drivers aswell..
  
  These drivers have also been backported to the regular 2.6.32 flavour
  for Squeeze so you won't need the Xen flavour to get this functionality.
  
 
 Oh nice! Thanks.
 

Btw which kernel release in squeeze/testing adds these pv-on-hvm drivers? 

-- Pasi


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-23 Thread Ian Campbell
On Mon, 2010-08-23 at 17:11 +0300, Pasi Kärkkäinen wrote:
 On Sun, Aug 22, 2010 at 01:16:20AM +0300, Pasi Kärkkäinen wrote:
  On Sat, Aug 21, 2010 at 10:27:16PM +0100, Ian Campbell wrote:
   On Sat, 2010-08-21 at 23:52 +0300, Pasi Kärkkäinen wrote:
On Tue, Aug 17, 2010 at 09:28:32PM +0200, Bastian Blank wrote:
 Please send such mails to the maintainer of the package, not me.
 
 On Tue, Aug 17, 2010 at 08:55:33PM +0300, Pasi Kärkkäinen wrote:
  Is there a plan to update the dom0-capable kernel to the latest
  version from xen/stable-2.6.32.x branch?
 
 On the way.
 

Oh, kernel update form xen/stable-2.6.32.x will bring
Xen PV-on-HVM drivers aswell..
   
   These drivers have also been backported to the regular 2.6.32 flavour
   for Squeeze so you won't need the Xen flavour to get this functionality.
   
  
  Oh nice! Thanks.
  
 
 Btw which kernel release in squeeze/testing adds these pv-on-hvm drivers? 

It will be in 2.6.32-21 which AIUI will be uploaded to Sid shortly.
Sorry, it was misleading of me to suggest it was already in Squeeze.

-- 
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Who goeth a-borrowing goeth a-sorrowing.
-- Thomas Tusser


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-21 Thread Pasi Kärkkäinen
On Tue, Aug 17, 2010 at 09:28:32PM +0200, Bastian Blank wrote:
 Please send such mails to the maintainer of the package, not me.
 
 On Tue, Aug 17, 2010 at 08:55:33PM +0300, Pasi Kärkkäinen wrote:
  Is there a plan to update the dom0-capable kernel to the latest
  version from xen/stable-2.6.32.x branch?
 
 On the way.
 

Oh, kernel update form xen/stable-2.6.32.x will bring
Xen PV-on-HVM drivers aswell..

Allowing fully virtualized (Xen HVM) guests use paravirtualized
disk/net devices and perform much better.

Those drivers are also merged to upstream kernel.org 2.6.36.

-- Pasi


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-21 Thread Ian Campbell
On Sat, 2010-08-21 at 23:52 +0300, Pasi Kärkkäinen wrote:
 On Tue, Aug 17, 2010 at 09:28:32PM +0200, Bastian Blank wrote:
  Please send such mails to the maintainer of the package, not me.
  
  On Tue, Aug 17, 2010 at 08:55:33PM +0300, Pasi Kärkkäinen wrote:
   Is there a plan to update the dom0-capable kernel to the latest
   version from xen/stable-2.6.32.x branch?
  
  On the way.
  
 
 Oh, kernel update form xen/stable-2.6.32.x will bring
 Xen PV-on-HVM drivers aswell..

These drivers have also been backported to the regular 2.6.32 flavour
for Squeeze so you won't need the Xen flavour to get this functionality.

Ian.

-- 
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Pilfering Treasury property is paticularly dangerous: big thieves are
ruthless in punishing little thieves.
-- Diogenes


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-21 Thread Pasi Kärkkäinen
On Sat, Aug 21, 2010 at 10:27:16PM +0100, Ian Campbell wrote:
 On Sat, 2010-08-21 at 23:52 +0300, Pasi Kärkkäinen wrote:
  On Tue, Aug 17, 2010 at 09:28:32PM +0200, Bastian Blank wrote:
   Please send such mails to the maintainer of the package, not me.
   
   On Tue, Aug 17, 2010 at 08:55:33PM +0300, Pasi Kärkkäinen wrote:
Is there a plan to update the dom0-capable kernel to the latest
version from xen/stable-2.6.32.x branch?
   
   On the way.
   
  
  Oh, kernel update form xen/stable-2.6.32.x will bring
  Xen PV-on-HVM drivers aswell..
 
 These drivers have also been backported to the regular 2.6.32 flavour
 for Squeeze so you won't need the Xen flavour to get this functionality.
 

Oh nice! Thanks.

-- Pasi


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-20 Thread Ian Campbell
On Fri, 2010-08-20 at 12:38 +0800, Thomas Goirand wrote:
 Bastian Blank wrote:
  It would be a terrible shame if Squeeze did not have support for the
  modern graphics subsystem when running Xen.
  
  Well. All the intel cards seems to work.
  
  Bastian
 
 I can confirm that issues that has been reported to the xen-devel list
 were only with specific cards like ATI and another brand that I cannot
 recall.

I think it's Nvidia (using Nouveau rather than the proprietary driver,
the latter stands no chance of working).

  These cards drivers are playing too much with memory mapping,
 which creates issues.

It's not too much -- their behaviour is reasonable but just needs
extra care under Xen.

Ian.
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Safety Third.


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-20 Thread Ian Campbell
On Thu, 2010-08-19 at 13:13 +0200, Bastian Blank wrote:
 On Wed, Aug 18, 2010 at 05:32:58PM +0100, Ian Campbell wrote:
  On Tue, 2010-08-17 at 21:28 +0200, Bastian Blank wrote:
   However not this part. Only small commits are fixes and I consider the
   rest as hacks.
  Which commits in particular?
 
 As documented: bcf16b6b4f34fb40a7aaf637947c7d3bce0be671, a merge commit.
 
   Have you raised your concerns upstream?
 
 Which upstream?

I meant the upstream author of the commits in question.

  (or something equivalent). While these are clearly not suitable for
  upstream they are correct as far as they go. Excluding them from the xen
  flavour of the kernel seems a bit extreme.
 
 Someone have to explain them to the release team. As they are clearly
 not even remotely suitable for upstream, I'm not going to stretch the
 own rules further.

I'm not sure these commits are measurably any different in the context
of featureset=xen than pvops.patch already is but ultimately it is your
call so I won't push it.

  It would be a terrible shame if Squeeze did not have support for the
  modern graphics subsystem when running Xen.
 
 Well. All the intel cards seems to work.

That's good.

Ian.

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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-19 Thread Bastian Blank
On Wed, Aug 18, 2010 at 05:32:58PM +0100, Ian Campbell wrote:
 On Tue, 2010-08-17 at 21:28 +0200, Bastian Blank wrote:
  However not this part. Only small commits are fixes and I consider the
  rest as hacks.
 Which commits in particular?

As documented: bcf16b6b4f34fb40a7aaf637947c7d3bce0be671, a merge commit.

  Have you raised your concerns upstream?

Which upstream? The DRM people are upstream for AGP. I doubt that they
even got there.

 (or something equivalent). While these are clearly not suitable for
 upstream they are correct as far as they go. Excluding them from the xen
 flavour of the kernel seems a bit extreme.

Someone have to explain them to the release team. As they are clearly
not even remotely suitable for upstream, I'm not going to stretch the
own rules further.

 It would be a terrible shame if Squeeze did not have support for the
 modern graphics subsystem when running Xen.

Well. All the intel cards seems to work.

Bastian

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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-19 Thread Thomas Goirand
Bastian Blank wrote:
 It would be a terrible shame if Squeeze did not have support for the
 modern graphics subsystem when running Xen.
 
 Well. All the intel cards seems to work.
 
 Bastian

I can confirm that issues that has been reported to the xen-devel list
were only with specific cards like ATI and another brand that I cannot
recall. These cards drivers are playing too much with memory mapping,
which creates issues.

Thomas


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-18 Thread Ian Campbell
On Tue, 2010-08-17 at 21:28 +0200, Bastian Blank wrote:
   A lot of graphics related
  fixes are now merged, and they make most of the graphics adapters
  (and KMS modesetting) work ok.
 
 However not this part. Only small commits are fixes and I consider the
 rest as hacks.

Which commits in particular? Have you raised your concerns upstream?

There are a few commits in the referenced branch which are tagged as
needing to be revisited before going upstream, they are generally of the
form
-   do_thing(ADDR);
+   if (xen_domain())
+   do_thing(translate(ADDR));
+   else
+   do_thing(ADDR)

(or something equivalent). While these are clearly not suitable for
upstream they are correct as far as they go. Excluding them from the xen
flavour of the kernel seems a bit extreme.

It would be a terrible shame if Squeeze did not have support for the
modern graphics subsystem when running Xen.

Ian.

-- 
Ian Campbell
Current Noise: Black Sabbath - Lonely Is The Word

Sure he's sharp as a razor ... he's a two-dimensional pinhead!


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Re: [Pkg-xen-devel] Graphics driver fixes for squeeze kernel-xen ?

2010-08-17 Thread Bastian Blank
Please send such mails to the maintainer of the package, not me.

On Tue, Aug 17, 2010 at 08:55:33PM +0300, Pasi Kärkkäinen wrote:
 Is there a plan to update the dom0-capable kernel to the latest
 version from xen/stable-2.6.32.x branch?

On the way.

  A lot of graphics related
 fixes are now merged, and they make most of the graphics adapters
 (and KMS modesetting) work ok.

However not this part. Only small commits are fixes and I consider the
rest as hacks.

Bastian

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There's another way to survive.  Mutual trust -- and help.
-- Kirk, Day of the Dove, stardate unknown


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