From: Xin Xiaohui xiaohui@intel.com
The vhost-net backend now only supports synchronous send/recv
operations. The patch provides multiple submits and asynchronous
notifications. This is needed for zero-copy case.
Signed-off-by: Xin Xiaohui xiaohui@intel.com
---
Michael,
Can't vhost
On 04/23/2010 02:17 PM, Yoshiaki Tamura wrote:
Dor Laor wrote:
[...]
Second, even if it wasn't the case, the tsc delta and kvmclock are
synchronized as part of the VM state so there is no use of trapping it
in the middle.
I should study the clock in KVM, but won't tsc get updated by the HW
Gui Jianfeng wrote:
Take sp level into account when calculating quadrant, because only when
level == PT_PAGE_TABLE_LEVEL, quadrant is needed.
Please ignore this patch, Sorry for the noise.
Gui
Signed-off-by: Gui Jianfeng guijianf...@cn.fujitsu.com
---
arch/x86/kvm/mmu.c |3 ++-
1
On Fri, Apr 23, 2010 at 1:45 AM, Stuart Sheldon s...@actusa.net wrote:
Just upgraded to 12.3 user space tools from 11.0, and now when I attempt
to netboot a guest, it appears that the pxe rom is timing out on dhcp
before the bridge has enough time to come up.
Is there a command line switch to
As Avi pointed out, testing bit part in mark_page_dirty() was important
in the days of shadow paging, but currently EPT and NPT has already become
common and the chance of faulting a page more that once per iteration is
small. So let's remove the test bit to avoid extra access.
Signed-off-by:
Hi there!
I'm trying to understand kvm performance bottleneck and I was hoping to
get sharing statistics form ksm. Was not able to locate it so far, the
below mentioned /sys entry is missing, while ksm module is loaded.
I'm using latest from rhel 5 x64: 2.6.18-194.el5, kmod-kvm-83-164.el5 and
I'm
On 04/23/2010 04:44 AM, Zachary Amsden wrote:
Or apply this patch.
time-warp.patch
diff -rup a/time-warp-test.c b/time-warp-test.c
--- a/time-warp-test.c 2010-04-15 16:30:13.955981607 -1000
+++ b/time-warp-test.c 2010-04-15 16:35:37.777982377 -1000
@@ -91,7 +91,7 @@ static inline unsigned
Hi,
I am organizing a Virtualization track at LPC 2010 (Linux Plumbers
Conference 2010). Please see the official call for tracks below.
LPC is particular well suited for work in progress and subjects that
needs discussion and collaboration between communities, for example
between KVM/QEMU and
On 04/21/2010 08:57 AM, Yoshiaki Tamura wrote:
Currently buf size is fixed at 32KB. It would be useful if it could
be flexible.
Why is this needed? The real buffering is in the kernel anyways; this
is only used to reduce the number of write() syscalls.
--
Do not meddle in the
Avi Kivity wrote:
On 04/21/2010 08:57 AM, Yoshiaki Tamura wrote:
Currently buf size is fixed at 32KB. It would be useful if it could
be flexible.
Why is this needed? The real buffering is in the kernel anyways; this is
only used to reduce the number of write() syscalls.
This was introduced
On 04/23/2010 08:29 AM, Alexander Graf wrote:
On 22.04.2010, at 08:09, Fernando Luis Vázquez Cao wrote:
On 04/22/2010 11:45 AM, Fernando Luis Vázquez Cao wrote:
On 04/21/2010 06:41 PM, Alexander Graf wrote:
On 21.04.2010, at 10:29, Fernando Luis Vázquez Cao wrote:
On 04/20/2010 08:03 PM,
On 23.04.2010, at 12:17, Fernando Luis Vázquez Cao wrote:
On 04/23/2010 08:29 AM, Alexander Graf wrote:
On 22.04.2010, at 08:09, Fernando Luis Vázquez Cao wrote:
On 04/22/2010 11:45 AM, Fernando Luis Vázquez Cao wrote:
On 04/21/2010 06:41 PM, Alexander Graf wrote:
On 21.04.2010, at
On 04/22/2010 11:16 PM, Marcelo Tosatti wrote:
Looks good otherwise. Perhaps add a pointer to Joerg's NPT slides,
although they're AMD specific.
Fixed all the comments, added a Further reading section and applied.
Note that this is still complete (example: large pages); patches
On 04/23/2010 10:12 AM, Gui Jianfeng wrote:
+Guest memory (gpa) is part of user address space of the process that is using
+kvm. Userspace defines the translation between guest addresses and user
+addresses (gpa-gva); note that two gpas may alias to the same gva, but not
Do you mean
On 04/22/2010 11:57 AM, Takuya Yoshikawa wrote:
And about x86_32 copy_in_user().
They are using copy_user_generic() which is implemented only for 64bit.
So I'll show them current copy_from_user() and copy_to_user() version and
see their response.
If rejected, though I hope not, please give
On 04/22/2010 12:07 PM, Takuya Yoshikawa wrote:
+ slots-memslots[i].dirty_bitmap = NULL;
+ slots-memslots[i].dirty_bitmap_old = NULL;
kvm_free_physmem_slot(slots-memslots[i], NULL);
+ }
+/*
+ * Please use generic *_user bitops once they become available.
+ * Be careful setting the bit
On 04/23/2010 11:48 AM, Takuya Yoshikawa wrote:
As Avi pointed out, testing bit part in mark_page_dirty() was important
in the days of shadow paging, but currently EPT and NPT has already become
common and the chance of faulting a page more that once per iteration is
small. So let's remove the
On 04/22/2010 01:27 PM, Liu Yu-B13201 wrote:
I met this error when built kernel. Anything wrong?
CC init/main.o
In file included from include/linux/ftrace_event.h:8,
from include/trace/syscall.h:6,
from include/linux/syscalls.h:75,
On 04/22/2010 10:55 PM, Gleb Natapov wrote:
What about converting PIC/IOAPIC mutexes into spinlocks?
Works for me, but on large guests the spinning will be noticeable.
I believe.
For interrupts going through IOPIC, but we know this is not scalable
anyway.
Yes. We also
On 04/23/2010 12:15 AM, Eric Northup wrote:
I've been reading the x86's mmu.c recently and had been wondering
about something. Avi's recent mmu documentation (thanks!) seems to
have confirmed my understanding of how the shadow paging is supposed
to be working.
Wasn't it a lot more fun to
(2010/04/23 19:28), Avi Kivity wrote:
OK, I will do in the next version. In this RFC, I would be happy if I can
know the overall design is right or not.
Everything looks reasonable to me.
Thank you!
Do you have performance numbers? I'm interested in both measurements of
On 04/22/2010 09:12 AM, Xiao Guangrong wrote:
If the guest is 32-bit, we should use 'quadrant' to adjust gpa
offset
Good catch. Only affects kvm_mmu_pte_write(), so I don't think this had
ill effects other than not prefetching the correct address?
@@ -478,9 +478,14 @@ static void
On 04/22/2010 09:12 AM, Xiao Guangrong wrote:
Using '!sp-role.cr4_pae' replaces 'PTTYPE == 32' and using
'pte_size = sp-role.cr4_pae ? 8 : 4' replaces sizeof(pt_element_t)
Then no need compile twice for this code
Signed-off-by: Xiao Guangrongxiaoguangr...@cn.fujitsu.com
---
2010/4/23 Takuya Yoshikawa yoshikawa.tak...@oss.ntt.co.jp:
(2010/04/23 19:28), Avi Kivity wrote:
OK, I will do in the next version. In this RFC, I would be happy if I can
know the overall design is right or not.
Everything looks reasonable to me.
Thank you!
Do you have performance
On 04/22/2010 09:13 AM, Xiao Guangrong wrote:
If have new mapping to the unsync page(i.e, add a new parent), just
update the page from sp-gfn but not write-protect gfn, and if need
create new shadow page form sp-gfn, we should sync it
Sorry, I don't understand this patch. Can you clarify?
On 04/23/2010 02:27 PM, Avi Kivity wrote:
On 04/22/2010 09:12 AM, Xiao Guangrong wrote:
Using '!sp-role.cr4_pae' replaces 'PTTYPE == 32' and using
'pte_size = sp-role.cr4_pae ? 8 : 4' replaces sizeof(pt_element_t)
Then no need compile twice for this code
I think we should keep it in -
On 04/23/2010 02:14 PM, Takuya Yoshikawa wrote:
Do you have performance numbers? I'm interested in both measurements of
KVM_SWITCH_DIRTY_LOG under various conditions and macro benchmarks (for
example, total guest throughput improvement under Kemari).
Currently, I'm just checking the
On 04/23/2010 01:20 PM, Alexander Graf wrote:
I would say the reason is that if we did not convert the user-space pointer to
a void * kvm_get_dirty_log() would end up copying the dirty log to
(log-dirty_bitmap 32) | 0x
Well yes, that was the problem. If we always set the __u64
On 04/22/2010 12:34 PM, Takuya Yoshikawa wrote:
Thanks, I can know basic rules about kvm/api .
(2010/04/21 20:46), Avi Kivity wrote:
+Type: vm ioctl
+Parameters: struct kvm_dirty_log (in/out)
+Returns: 0 on success, -1 on error
+
+/* for KVM_SWITCH_DIRTY_LOG */
+struct kvm_dirty_log {
+
Avi Kivity wrote:
On 04/22/2010 09:12 AM, Xiao Guangrong wrote:
If the guest is 32-bit, we should use 'quadrant' to adjust gpa
offset
Good catch. Only affects kvm_mmu_pte_write(), so I don't think this had
ill effects other than not prefetching the correct address?
Yes
@@
On 04/22/2010 09:13 AM, Xiao Guangrong wrote:
Allow more page become asynchronous at getting sp time, if need create new
shadow page for gfn but it not allow unsync(level 0), we should unsync all
gfn's unsync page
This is something I wanted for a long time.
--
Do not meddle in the
On 04/23/2010 03:05 PM, Xiao Guangrong wrote:
@@ -478,9 +478,14 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu,
gva_t gva)
((level == PT_DIRECTORY_LEVEL is_large_pte(*sptep))) ||
((level == PT_PDPE_LEVEL is_large_pte(*sptep {
struct
On 23.04.2010, at 13:57, Avi Kivity wrote:
On 04/23/2010 01:20 PM, Alexander Graf wrote:
I would say the reason is that if we did not convert the user-space pointer
to
a void * kvm_get_dirty_log() would end up copying the dirty log to
(log-dirty_bitmap 32) | 0x
Well
On Friday 23 April 2010, Avi Kivity wrote:
On 04/23/2010 01:20 PM, Alexander Graf wrote:
I would say the reason is that if we did not convert the user-space
pointer to
a void * kvm_get_dirty_log() would end up copying the dirty log to
(log-dirty_bitmap 32) | 0x
On 04/23/2010 03:27 PM, Arnd Bergmann wrote:
Using a 64-bit integer avoids the problem (though perhaps not sufficient
for s390, Arnd?)
When there is only a __u64 for the address, it will work on s390 as well,
gcc is smart enough to clear the upper bit on a cast from long to pointer.
On Friday 23 April 2010, Avi Kivity wrote:
On 04/23/2010 03:27 PM, Arnd Bergmann wrote:
Using a 64-bit integer avoids the problem (though perhaps not sufficient
for s390, Arnd?)
When there is only a __u64 for the address, it will work on s390 as well,
gcc is smart enough to
On 04/23/2010 03:46 PM, Arnd Bergmann wrote:
On Friday 23 April 2010, Avi Kivity wrote:
On 04/23/2010 03:27 PM, Arnd Bergmann wrote:
Using a 64-bit integer avoids the problem (though perhaps not sufficient
for s390, Arnd?)
When there is only a __u64 for the
On 23.04.2010, at 14:53, Avi Kivity wrote:
On 04/23/2010 03:46 PM, Arnd Bergmann wrote:
On Friday 23 April 2010, Avi Kivity wrote:
On 04/23/2010 03:27 PM, Arnd Bergmann wrote:
Using a 64-bit integer avoids the problem (though perhaps not sufficient
for s390, Arnd?)
On 04/23/2010 07:05 AM, Avi Kivity wrote:
On 04/22/2010 10:55 PM, Gleb Natapov wrote:
What about converting PIC/IOAPIC mutexes into spinlocks?
Works for me, but on large guests the spinning will be noticeable.
I believe.
For interrupts going through IOPIC, but we know this
On 04/22/2010 07:45 PM, Yoshiaki Tamura wrote:
Anthony Liguori wrote:
I think it would make sense to separate out the things that are actually
optimizations (like the dirty bitmap changes and the writev/readv
changes) and to attempt to justify them with actual performance data.
I agree with
On Friday 23 April 2010, Avi Kivity wrote:
Ah so the 31st bit is optional as far as userspace is concerned? What
does it mean? (just curious)
On data pointers it's ignored. When you branch to a function, this bit
determines whether the target function is run in 24 or 31 bit mode.
This allows
On 04/23/2010 12:59 PM, Yoshiaki Tamura wrote:
Avi Kivity wrote:
On 04/21/2010 08:57 AM, Yoshiaki Tamura wrote:
Currently buf size is fixed at 32KB. It would be useful if it could
be flexible.
Why is this needed? The real buffering is in the kernel anyways; this is
only used to reduce the
On 04/22/2010 08:53 PM, Yoshiaki Tamura wrote:
Anthony Liguori wrote:
On 04/22/2010 08:16 AM, Yoshiaki Tamura wrote:
2010/4/22 Dor Laordl...@redhat.com:
On 04/22/2010 01:35 PM, Yoshiaki Tamura wrote:
Dor Laor wrote:
On 04/21/2010 08:57 AM, Yoshiaki Tamura wrote:
Hi all,
We have been
On 04/23/2010 03:59 PM, Alexander Graf wrote:
Ah so the 31st bit is optional as far as userspace is concerned? What does it
mean? (just curious)
The 0x8000 bit declares that a pointer is in 24-bit mode, so that
applications can use the spare upper bits for random data.
See
On 04/22/2010 10:37 PM, Yoshiaki Tamura wrote:
Anthony Liguori wrote:
On 04/21/2010 12:57 AM, Yoshiaki Tamura wrote:
QEMUFile currently doesn't support writev(). For sending multiple
data, such as pages, using writev() should be more efficient.
Signed-off-by: Yoshiaki
On 04/22/2010 11:02 PM, Yoshiaki Tamura wrote:
Anthony Liguori wrote:
On 04/21/2010 12:57 AM, Yoshiaki Tamura wrote:
For fool proof purpose, qemu_put_vector_parepare should be called
before qemu_put_vector. Then, if qemu_put_* functions except this is
called after qemu_put_vector_prepare,
On 04/21/2010 08:57 AM, Yoshiaki Tamura wrote:
Kemari starts synchronizing VMs when QEMU handles I/O requests.
Without this patch VCPU state is already proceeded before
synchronization, and after failover to the VM on the receiver, it
hangs because of this.
We discussed moving the barrier
Avi Kivity wrote:
On 04/23/2010 02:27 PM, Avi Kivity wrote:
On 04/22/2010 09:12 AM, Xiao Guangrong wrote:
Using '!sp-role.cr4_pae' replaces 'PTTYPE == 32' and using
'pte_size = sp-role.cr4_pae ? 8 : 4' replaces sizeof(pt_element_t)
Then no need compile twice for this code
I think we
On 04/23/2010 04:53 AM, Avi Kivity wrote:
On 04/21/2010 08:57 AM, Yoshiaki Tamura wrote:
Currently buf size is fixed at 32KB. It would be useful if it could
be flexible.
Why is this needed? The real buffering is in the kernel anyways; this
is only used to reduce the number of write()
On 04/23/2010 04:21 PM, Xiao Guangrong wrote:
OK, i'll keep invlpg code in paging_tmpl.h and directly call FNAME(update_pte).
But, i don't see mmu_guess_page_from_pte_write() code depends on pte size. :-(
It doesn't indeed, I misremembered. It's mmu_pte_write_new_pte() (which
is no
On 04/23/2010 04:02 PM, Chris Lalancette wrote:
On 04/23/2010 07:05 AM, Avi Kivity wrote:
On 04/22/2010 10:55 PM, Gleb Natapov wrote:
What about converting PIC/IOAPIC mutexes into spinlocks?
Works for me, but on large guests the spinning will be noticeable.
I
Hey Joerg,
On 22.04.2010, at 12:33, Joerg Roedel wrote:
Hi Avi, Marcelo,
here is another set of nested svm fixes. They fix NMI code to make UP Hyper-V
root domain booting. The patches also add better handling for nested entry
failures and mce intercepts.
Also in this patchset are the
On 22.04.2010, at 12:33, Joerg Roedel wrote:
The patch introducing nested nmi handling had a bug. The
check does not belong to enable_nmi_window but must be in
nmi_allowed. This patch fixes this.
Signed-off-by: Joerg Roedel joerg.roe...@amd.com
---
arch/x86/kvm/svm.c | 16
On 22.04.2010, at 13:04, Avi Kivity wrote:
On 04/22/2010 01:33 PM, Joerg Roedel wrote:
Hi Avi, Marcelo,
here is another set of nested svm fixes. They fix NMI code to make UP Hyper-V
root domain booting. The patches also add better handling for nested entry
failures and mce intercepts.
On 04/23/2010 04:22 PM, Anthony Liguori wrote:
I currently don't have data, but I'll prepare it.
There were two things I wanted to avoid.
1. Pages to be copied to QEMUFile buf through qemu_put_buffer.
2. Calling write() everytime even when we want to send multiple pages
at once.
I think 2
On 22.04.2010, at 12:33, Joerg Roedel wrote:
This patch syncs cr0 and cr3 from the vmcb to the kvm state
before nested intercept handling is done. This allows to
simplify the vmexit path.
Signed-off-by: Joerg Roedel joerg.roe...@amd.com
---
arch/x86/kvm/svm.c | 15 ++-
1
On 22.04.2010, at 12:33, Joerg Roedel wrote:
This patch implements propagation of a failes guest vmrun
back into the guest instead of killing the whole guest.
Oh, nice one.
Ack.
Alex
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To unsubscribe from this list: send the line unsubscribe kvm in
the body of a message to
On 22.04.2010, at 12:33, Joerg Roedel wrote:
This patch adds the get_supported_cpuid callback to
kvm_x86_ops. It will be used in do_cpuid_ent to delegate the
decission about some supported cpuid bits to the
architecture modules.
Cc: sta...@kernel.org
Please don't CC stable. There is a
On 22.04.2010, at 12:33, Joerg Roedel wrote:
This patch implements the reporting of the emulated SVM
features to userspace instead of the real hardware
capabilities. Every real hardware capability needs emulation
in nested svm so the old behavior was broken.
Cc: sta...@kernel.org
Again,
On 22.04.2010, at 12:33, Joerg Roedel wrote:
This patch adds logic to kvm/x86 which allows to mark an
injected exception as reinjected. This allows to remove an
ugly hack from svm_complete_interrupts that prevented
exceptions from being reinjected at all in the nested case.
The hack was
On 22.04.2010, at 12:33, Joerg Roedel wrote:
This patch prevents MCE intercepts from being propagated
into the L1 guest if they happened in an L2 guest.
Good catch. How did you stumble over this?
Ack.
Alex
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the body of a
On 04/23/2010 04:52 PM, Alexander Graf wrote:
On 22.04.2010, at 12:33, Joerg Roedel wrote:
This patch adds the get_supported_cpuid callback to
kvm_x86_ops. It will be used in do_cpuid_ent to delegate the
decission about some supported cpuid bits to the
architecture modules.
Cc:
On Fri, Apr 23, 2010 at 03:46:07PM +0200, Alexander Graf wrote:
On 22.04.2010, at 12:33, Joerg Roedel wrote:
The patch introducing nested nmi handling had a bug. The
check does not belong to enable_nmi_window but must be in
nmi_allowed. This patch fixes this.
Signed-off-by: Joerg
On Fri, Apr 23, 2010 at 03:50:20PM +0200, Alexander Graf wrote:
On 22.04.2010, at 12:33, Joerg Roedel wrote:
This patch syncs cr0 and cr3 from the vmcb to the kvm state
before nested intercept handling is done. This allows to
simplify the vmexit path.
Signed-off-by: Joerg Roedel
On 23.04.2010, at 16:13, Joerg Roedel wrote:
On Fri, Apr 23, 2010 at 03:46:07PM +0200, Alexander Graf wrote:
On 22.04.2010, at 12:33, Joerg Roedel wrote:
The patch introducing nested nmi handling had a bug. The
check does not belong to enable_nmi_window but must be in
nmi_allowed. This
On 23.04.2010, at 16:17, Joerg Roedel wrote:
On Fri, Apr 23, 2010 at 03:50:20PM +0200, Alexander Graf wrote:
On 22.04.2010, at 12:33, Joerg Roedel wrote:
This patch syncs cr0 and cr3 from the vmcb to the kvm state
before nested intercept handling is done. This allows to
simplify the
On Fri, Apr 23, 2010 at 03:55:15PM +0200, Alexander Graf wrote:
On 22.04.2010, at 12:33, Joerg Roedel wrote:
static void svm_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2
*entry)
{
+ switch (func) {
+ case 0x800A:
+ entry-eax = 1; /* SVM revision 1 */
+
On Fri, Apr 23, 2010 at 04:19:40PM +0200, Alexander Graf wrote:
On 23.04.2010, at 16:13, Joerg Roedel wrote:
On Fri, Apr 23, 2010 at 03:46:07PM +0200, Alexander Graf wrote:
On 22.04.2010, at 12:33, Joerg Roedel wrote:
The patch introducing nested nmi handling had a bug. The
On 23.04.2010, at 16:22, Joerg Roedel wrote:
On Fri, Apr 23, 2010 at 04:19:40PM +0200, Alexander Graf wrote:
On 23.04.2010, at 16:13, Joerg Roedel wrote:
On Fri, Apr 23, 2010 at 03:46:07PM +0200, Alexander Graf wrote:
On 22.04.2010, at 12:33, Joerg Roedel wrote:
The patch
On Fri, Apr 23, 2010 at 03:57:32PM +0200, Alexander Graf wrote:
On 22.04.2010, at 12:33, Joerg Roedel wrote:
This patch adds logic to kvm/x86 which allows to mark an
injected exception as reinjected. This allows to remove an
ugly hack from svm_complete_interrupts that prevented
On Fri, Apr 23, 2010 at 03:58:18PM +0200, Alexander Graf wrote:
On 22.04.2010, at 12:33, Joerg Roedel wrote:
This patch prevents MCE intercepts from being propagated
into the L1 guest if they happened in an L2 guest.
Good catch. How did you stumble over this?
While thinking about
On Fri, Apr 23, 2010 at 04:24:54PM +0200, Alexander Graf wrote:
On 23.04.2010, at 16:22, Joerg Roedel wrote:
No, nested_svm_nmi runs in atomic context where we can't emulate a
vmexit. We set exit_required and emulate the vmexit later.
So we modify the L2 rflags and then trigger a
On 23.04.2010, at 16:27, Joerg Roedel wrote:
On Fri, Apr 23, 2010 at 03:57:32PM +0200, Alexander Graf wrote:
On 22.04.2010, at 12:33, Joerg Roedel wrote:
This patch adds logic to kvm/x86 which allows to mark an
injected exception as reinjected. This allows to remove an
ugly hack from
On 23.04.2010, at 16:31, Joerg Roedel wrote:
On Fri, Apr 23, 2010 at 04:24:54PM +0200, Alexander Graf wrote:
On 23.04.2010, at 16:22, Joerg Roedel wrote:
No, nested_svm_nmi runs in atomic context where we can't emulate a
vmexit. We set exit_required and emulate the vmexit later.
So we
Not many details, but JFYI: at least 0.12 still has issues
(leads to silent data corruption) with block devices of
size = 1Tb. There were several such cases reported on
#...@oftc in last two months. Usually reducing the device
size to something less than 1Tb solves that issue (i.e.,
stops new
On Fri, Apr 23, 2010 at 04:42:52PM +0200, Alexander Graf wrote:
On 23.04.2010, at 16:31, Joerg Roedel wrote:
On Fri, Apr 23, 2010 at 04:24:54PM +0200, Alexander Graf wrote:
On 23.04.2010, at 16:22, Joerg Roedel wrote:
No, nested_svm_nmi runs in atomic context where we can't
Yoshiaki Tamura wrote:
Jamie Lokier wrote:
Yoshiaki Tamura wrote:
Dor Laor wrote:
On 04/21/2010 08:57 AM, Yoshiaki Tamura wrote:
Event tapping is the core component of Kemari, and it decides on which
event the
primary should synchronize with the secondary. The basic assumption
here is
I'm having a problem with a virtual machine running under RHEL 5.4
64-bit. I take out the CD / insert a new and the main machine sees the
new cd and makes it available. However, the virtual machines still see
the old CD. I've tried mounting the new CD, but it just keeps mounting
what it thinks
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Stefan Hajnoczi wrote:
On Fri, Apr 23, 2010 at 1:45 AM, Stuart Sheldon s...@actusa.net wrote:
Just upgraded to 12.3 user space tools from 11.0, and now when I attempt
to netboot a guest, it appears that the pxe rom is timing out on dhcp
before
After a few days of debugging I think kvmclock is the source of lockups
for a RHEL5.5-based VM. The VM works fine on one host, but repeatedly
locks up on another.
Server 1 - VM locks up repeatedly
-- DL580 G5
-- 4 quad-core X7350 processors at 2.93GHz
-- 48GB RAM
Server 2 - VM works just fine
--
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: qemu-kvm/hw/vga.c
===
--- qemu-kvm.orig/hw/vga.c
+++ qemu-kvm/hw/vga.c
@@ -1613,8 +1613,8 @@ void vga_dirty_log_stop(VGACommonState *
kvm_log_stop(s-map_addr,
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the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Jim Paris wrote:
Stuart Sheldon wrote:
Stefan Hajnoczi wrote:
On Fri, Apr 23, 2010 at 1:45 AM, Stuart Sheldon s...@actusa.net wrote:
Just upgraded to 12.3 user space tools from 11.0, and now when I attempt
to netboot a guest, it appears that
On Mon, Apr 12, 2010 at 2:57 PM, Avi Kivity a...@redhat.com wrote:
There is work now to bring msi to the generic pci 2.3 driver, perhaps we can
use that instead. From a quick look it looks fine.
I'd be interested to follow this development. I can't find anything
on LKML, is it being
I saw this with RHEL5.3. I ended up hacking qemu to re_open the CD every
so often. See attached.
David
On 04/23/2010 09:10 AM, Matt Burkhardt wrote:
I'm having a problem with a virtual machine running under RHEL 5.4
64-bit. I take out the CD / insert a new and the main machine sees the
new
oops. the previous patch rides on top of this one.
David
On 04/23/2010 12:18 PM, David S. Ahern wrote:
I saw this with RHEL5.3. I ended up hacking qemu to re_open the CD every
so often. See attached.
David
On 04/23/2010 09:10 AM, Matt Burkhardt wrote:
I'm having a problem with a
On 23.04.2010, at 16:51, Joerg Roedel wrote:
On Fri, Apr 23, 2010 at 04:42:52PM +0200, Alexander Graf wrote:
On 23.04.2010, at 16:31, Joerg Roedel wrote:
On Fri, Apr 23, 2010 at 04:24:54PM +0200, Alexander Graf wrote:
On 23.04.2010, at 16:22, Joerg Roedel wrote:
No, nested_svm_nmi
On 22.04.2010, at 13:04, Avi Kivity wrote:
On 04/22/2010 01:33 PM, Joerg Roedel wrote:
Hi Avi, Marcelo,
here is another set of nested svm fixes. They fix NMI code to make UP Hyper-V
root domain booting. The patches also add better handling for nested entry
failures and mce intercepts.
On 04/23/2010 02:34 AM, Avi Kivity wrote:
diff -rup a/time-warp-test.c b/time-warp-test.c
--- a/time-warp-test.c2010-04-15 16:30:13.955981607 -1000
+++ b/time-warp-test.c2010-04-15 16:35:37.777982377 -1000
@@ -91,7 +91,7 @@ static inline unsigned long long __rdtsc
{
For reference, my libvirt managed virbr0 has forwarding delay 0. This
is the default:
http://libvirt.org/formatnetwork.html#elementsConnect
I know that my VM is a leaf node (it only has one NIC and isn't going
to create a loop in the network) and therefore it makes sense to
eliminate the
On 04/23/2010 10:22 PM, Jeremy Fitzhardinge wrote:
On 04/23/2010 02:34 AM, Avi Kivity wrote:
diff -rup a/time-warp-test.c b/time-warp-test.c
--- a/time-warp-test.c2010-04-15 16:30:13.955981607 -1000
+++ b/time-warp-test.c2010-04-15 16:35:37.777982377 -1000
@@ -91,7 +91,7 @@ static
This patch adds mergeable receive buffers support to vhost.
Signed-off-by: David L Stevens dlstev...@us.ibm.com
diff -ruNp net-next-v0/drivers/vhost/net.c net-next-v5/drivers/vhost/net.c
--- net-next-v0/drivers/vhost/net.c 2010-04-22 11:31:57.0 -0700
+++
Hi,
I'd like to propose a small change in the grab behaviour of the SDL
window:
Currently, when the mouse is moved over the window, the guest mouse is
moved as well and the guest receives keyboard input (using absolute
mouse here and focus-follow-mouse). However, the keyboard is not
grabbed, and
Hi all,
Probably this is a stale question because I heard of we've already had
some this kind of patches.
I want to implement a zero-copy mechanism to transfer data between
VMs. From what I've investigated, it's quite easy at sender side,
because virtio is good at sharing data pages from VM to
On Friday 23 April 2010 12:08:22 David S. Ahern wrote:
After a few days of debugging I think kvmclock is the source of lockups
for a RHEL5.5-based VM. The VM works fine on one host, but repeatedly
locks up on another.
Server 1 - VM locks up repeatedly
-- DL580 G5
-- 4 quad-core X7350
On 04/22/2010 11:34 PM, Avi Kivity wrote:
On 04/23/2010 04:44 AM, Zachary Amsden wrote:
Or apply this patch.
time-warp.patch
diff -rup a/time-warp-test.c b/time-warp-test.c
--- a/time-warp-test.c2010-04-15 16:30:13.955981607 -1000
+++ b/time-warp-test.c2010-04-15 16:35:37.777982377
On 04/23/2010 02:31 PM, Zachary Amsden wrote:
Does lfence / mfence actually serialize? I thought there was some
great confusion about that not being the case on all AMD processors,
and possibly not at all on Intel.
A trap, however is a great way to serialize.
I think, there is no
On 04/23/2010 10:39 AM, Brian Jackson wrote:
On Friday 23 April 2010 12:08:22 David S. Ahern wrote:
After a few days of debugging I think kvmclock is the source of lockups
for a RHEL5.5-based VM. The VM works fine on one host, but repeatedly
locks up on another.
Server 1 - VM locks up
On 04/23/2010 11:35 AM, Jeremy Fitzhardinge wrote:
On 04/23/2010 02:31 PM, Zachary Amsden wrote:
Does lfence / mfence actually serialize? I thought there was some
great confusion about that not being the case on all AMD processors,
and possibly not at all on Intel.
A trap, however is a
On 04/23/2010 03:39 PM, Zachary Amsden wrote:
On 04/23/2010 10:39 AM, Brian Jackson wrote:
On Friday 23 April 2010 12:08:22 David S. Ahern wrote:
After a few days of debugging I think kvmclock is the source of lockups
for a RHEL5.5-based VM. The VM works fine on one host, but repeatedly
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