* percpu allocation failures in kvm
@ 2012-12-14 5:43 Andy Lutomirski
2012-12-15 1:03 ` Marcelo Tosatti
0 siblings, 1 reply; 3+ messages in thread
From: Andy Lutomirski @ 2012-12-14 5:43 UTC (permalink / raw)
To: linux-kernel, kvm list
On 3.7.0 + irrelevant patches, I get this on boot. I've seen it on
and off on earlier kernels, I think (although I'm not currently
getting it on 3.5).
[ 10.230054] PERCPU: allocation failed, size=304 align=32, alloc
from reserved chunk failed
[ 10.230059] Pid: 1026, comm: modprobe Tainted: G W 3.7.0-ama+ #5
[ 10.230060] Call Trace:
[ 10.230070] [<ffffffff81129efb>] pcpu_alloc+0x9db/0xa40
[ 10.230074] [<ffffffff810a81ad>] ? find_symbol_in_section+0x4d/0x140
[ 10.230077] [<ffffffff810a8160>] ? finished_loading+0x50/0x50
[ 10.230080] [<ffffffff810a8af0>] ? each_symbol_section+0x30/0x70
[ 10.230083] [<ffffffff810a8b61>] ? find_symbol+0x31/0x60
[ 10.230086] [<ffffffff8112a1f3>] __alloc_reserved_percpu+0x13/0x20
[ 10.230089] [<ffffffff810ab48d>] load_module+0x3ed/0x1b50
[ 10.230093] [<ffffffff81075c3b>] ? __srcu_read_unlock+0x4b/0x70
--Andy
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: percpu allocation failures in kvm
2012-12-14 5:43 percpu allocation failures in kvm Andy Lutomirski
@ 2012-12-15 1:03 ` Marcelo Tosatti
2012-12-15 1:46 ` Andy Lutomirski
0 siblings, 1 reply; 3+ messages in thread
From: Marcelo Tosatti @ 2012-12-15 1:03 UTC (permalink / raw)
To: Andy Lutomirski; +Cc: linux-kernel, kvm list
On Thu, Dec 13, 2012 at 09:43:23PM -0800, Andy Lutomirski wrote:
> On 3.7.0 + irrelevant patches, I get this on boot. I've seen it on
> and off on earlier kernels, I think (although I'm not currently
> getting it on 3.5).
>
> [ 10.230054] PERCPU: allocation failed, size=304 align=32, alloc
> from reserved chunk failed
> [ 10.230059] Pid: 1026, comm: modprobe Tainted: G W 3.7.0-ama+ #5
> [ 10.230060] Call Trace:
> [ 10.230070] [<ffffffff81129efb>] pcpu_alloc+0x9db/0xa40
> [ 10.230074] [<ffffffff810a81ad>] ? find_symbol_in_section+0x4d/0x140
> [ 10.230077] [<ffffffff810a8160>] ? finished_loading+0x50/0x50
> [ 10.230080] [<ffffffff810a8af0>] ? each_symbol_section+0x30/0x70
> [ 10.230083] [<ffffffff810a8b61>] ? find_symbol+0x31/0x60
> [ 10.230086] [<ffffffff8112a1f3>] __alloc_reserved_percpu+0x13/0x20
> [ 10.230089] [<ffffffff810ab48d>] load_module+0x3ed/0x1b50
> [ 10.230093] [<ffffffff81075c3b>] ? __srcu_read_unlock+0x4b/0x70
>
> --Andy
You're loading the kvm module, or loading some other module inside
a kvm guest?
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: percpu allocation failures in kvm
2012-12-15 1:03 ` Marcelo Tosatti
@ 2012-12-15 1:46 ` Andy Lutomirski
0 siblings, 0 replies; 3+ messages in thread
From: Andy Lutomirski @ 2012-12-15 1:46 UTC (permalink / raw)
To: Marcelo Tosatti; +Cc: linux-kernel, kvm list
On Fri, Dec 14, 2012 at 5:03 PM, Marcelo Tosatti <mtosatti@redhat.com> wrote:
> On Thu, Dec 13, 2012 at 09:43:23PM -0800, Andy Lutomirski wrote:
>> On 3.7.0 + irrelevant patches, I get this on boot. I've seen it on
>> and off on earlier kernels, I think (although I'm not currently
>> getting it on 3.5).
>>
>> [ 10.230054] PERCPU: allocation failed, size=304 align=32, alloc
>> from reserved chunk failed
>> [ 10.230059] Pid: 1026, comm: modprobe Tainted: G W 3.7.0-ama+ #5
>> [ 10.230060] Call Trace:
>> [ 10.230070] [<ffffffff81129efb>] pcpu_alloc+0x9db/0xa40
>> [ 10.230074] [<ffffffff810a81ad>] ? find_symbol_in_section+0x4d/0x140
>> [ 10.230077] [<ffffffff810a8160>] ? finished_loading+0x50/0x50
>> [ 10.230080] [<ffffffff810a8af0>] ? each_symbol_section+0x30/0x70
>> [ 10.230083] [<ffffffff810a8b61>] ? find_symbol+0x31/0x60
>> [ 10.230086] [<ffffffff8112a1f3>] __alloc_reserved_percpu+0x13/0x20
>> [ 10.230089] [<ffffffff810ab48d>] load_module+0x3ed/0x1b50
>> [ 10.230093] [<ffffffff81075c3b>] ? __srcu_read_unlock+0x4b/0x70
>>
>> --Andy
>
> You're loading the kvm module, or loading some other module inside
> a kvm guest?
>
This is loading the kvm module on startup. There are no guests.
--
Andy Lutomirski
AMA Capital Management, LLC
^ permalink raw reply [flat|nested] 3+ messages in thread
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