Re: [PATCH v2] kvm: avoid page allocation failure in kvm_set_memory_region()

2015-03-31 Thread Igor Mammedov
On Fri, 20 Mar 2015 12:21:37 + Igor Mammedov imamm...@redhat.com wrote: KVM guest can fail to startup with following trace on host: qemu-system-x86: page allocation failure: order:4, mode:0x40d0 Call Trace: dump_stack+0x47/0x67 warn_alloc_failed+0xee/0x150

[PATCH] kvm: avoid page allocation failure in kvm_set_memory_region()

2015-03-20 Thread Igor Mammedov
KVM guest can fail to startup with following trace on host: qemu-system-x86: page allocation failure: order:4, mode:0x40d0 Call Trace: dump_stack+0x47/0x67 warn_alloc_failed+0xee/0x150 __alloc_pages_direct_compact+0x14a/0x150 __alloc_pages_nodemask+0x776/0xb80 alloc_kmem_pages+0x3a

[PATCH v2] kvm: avoid page allocation failure in kvm_set_memory_region()

2015-03-20 Thread Igor Mammedov
KVM guest can fail to startup with following trace on host: qemu-system-x86: page allocation failure: order:4, mode:0x40d0 Call Trace: dump_stack+0x47/0x67 warn_alloc_failed+0xee/0x150 __alloc_pages_direct_compact+0x14a/0x150 __alloc_pages_nodemask+0x776/0xb80 alloc_kmem_pages+0x3a

Re: [PATCH] kvm: avoid page allocation failure in kvm_set_memory_region()

2015-03-20 Thread Marcelo Tosatti
On Fri, Mar 20, 2015 at 09:51:26AM +, Igor Mammedov wrote: KVM guest can fail to startup with following trace on host: qemu-system-x86: page allocation failure: order:4, mode:0x40d0 Call Trace: dump_stack+0x47/0x67 warn_alloc_failed+0xee/0x150 __alloc_pages_direct_compact+0x14a

Re: [PATCH] kvm: avoid page allocation failure in kvm_set_memory_region()

2015-03-20 Thread Igor Mammedov
On Fri, 20 Mar 2015 08:59:03 -0300 Marcelo Tosatti mtosa...@redhat.com wrote: On Fri, Mar 20, 2015 at 09:51:26AM +, Igor Mammedov wrote: KVM guest can fail to startup with following trace on host: qemu-system-x86: page allocation failure: order:4, mode:0x40d0 Call Trace

[Bug 30042] page allocation failure when using jumbo frames with kvm guests

2012-08-17 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=30042 Alan a...@lxorguk.ukuu.org.uk changed: What|Removed |Added Status|NEW |RESOLVED

[Bug 30042] page allocation failure when using jumbo frames with kvm guests

2011-02-28 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=30042 Avi Kivity a...@redhat.com changed: What|Removed |Added CC||a...@redhat.com ---

[Bug 30042] page allocation failure when using jumbo frames with kvm guests

2011-02-28 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=30042 --- Comment #2 from Peter Merhaut kernelbug_...@russenmafia.at 2011-02-28 11:47:51 --- uh i should add that the file rtorrent hashes is on a nfs filesystem. so this generates a lot of network traffic. between the host (which also serves as

[Bug 30042] New: page allocation failure when using jumbo frames with kvm guests

2011-02-27 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=30042 Summary: page allocation failure when using jumbo frames with kvm guests Product: Virtualization Version: unspecified Kernel Version: 2.6.35 Platform: All OS/Version: Linux

page allocation failure

2010-04-06 Thread kvm
allocation failure. order:0, mode:0x20 [ 1392.030910] Pid: 407, comm: rpciod/0 Not tainted 2.6.32-gentoo-r5 #1 [ 1392.030912] Call Trace: [ 1392.030915] IRQ [8109cf2f] __alloc_pages_nodemask+0x5ad/0x5fa [ 1392.030986] [81028fdc] ? default_spin_lock_flags+0x9/0xd [ 1392.031008

Re: page allocation failure

2010-04-06 Thread Thomas Mueller
Am Tue, 06 Apr 2010 14:15:10 +0200 schrieb kvm: Hi, running kernel 2.6.32 (kvm 0.12.3) in host and 2.6.30 in guest (using Gentoo) works fine. Now I've upgraded several guests to 2.6.32 too and have had no problems so far. But with one guest after 2-3 hours the guest hangs and I always get

Re: page allocation failure

2010-04-06 Thread kvm
Thanks! I'll try a new kernel. Interestingly two guests with 2.6.32-r3 (Gentoo naming not rc3) with much more NFS traffic don't show this behavior of 2.6.32-r5. So I'll try 2.6.32-r8. I've found some threads with NFS and kernel 2.6.32.x related problems which seems to be fixed in later versions.

Re: vballoon: page allocation failure. order:0 - Kernel panic

2009-02-25 Thread Tomasz Chmielewski
Avi Kivity schrieb: Tomasz Chmielewski wrote: I'm trying to use ballooning with kvm-83. Although I'm able to limit the guest's memory, when I try to increase it right after that, I get vballoon: page allocation failure. order:0 followed by a kernel panic. Is it expected? The guest

Re: vballoon: page allocation failure. order:0 - Kernel panic

2009-02-25 Thread Avi Kivity
Tomasz Chmielewski wrote: BTW, is it possible to balloon to a bigger amount of memory that what was available when the guest started? No. The guest won't have its data structures set up to handle the extra memory. Or is it only possible to shrink and grow within initial memory

vballoon: page allocation failure. order:0 - Kernel panic

2009-02-24 Thread Tomasz Chmielewski
I'm trying to use ballooning with kvm-83. Although I'm able to limit the guest's memory, when I try to increase it right after that, I get vballoon: page allocation failure. order:0 followed by a kernel panic. Is it expected? The guest is running Debian Lenny with 2.6.26 kernel. It had

Re: vballoon: page allocation failure. order:0 - Kernel panic

2009-02-24 Thread Avi Kivity
Tomasz Chmielewski wrote: I'm trying to use ballooning with kvm-83. Although I'm able to limit the guest's memory, when I try to increase it right after that, I get vballoon: page allocation failure. order:0 followed by a kernel panic. Is it expected? The guest is running Debian Lenny