* kernel trace
@ 2013-03-07 16:50 Alexander R
2013-03-14 10:21 ` Michal Hocko
0 siblings, 1 reply; 4+ messages in thread
From: Alexander R @ 2013-03-07 16:50 UTC (permalink / raw)
To: linux-mm
[-- Attachment #1: Type: text/plain, Size: 1972 bytes --]
Hi,
i use opensuse12.2 x86_64.
May be it would helpfully for your development
[ 51.943819] ------------[ cut here ]------------
[ 51.943838] WARNING: at
/home/abuild/rpmbuild/BUILD/kernel-default-3.4.28/linux-3.4/mm/memcontrol.c:5007
mem_cgroup_create+0x3ac/0x510()
[ 51.943841] Hardware name: ProLiant DL560 Gen8
[ 51.943842] Creating hierarchies with use_hierarchy==0 (flat hierarchy)
is considered deprecated. If you believe that your setup is correct, we
kindly ask you to contact linux-mm@kvack.org and let us know
[ 51.943844] Modules linked in: ip6table_filter ip6_tables iptable_filter
ip_tables ebtable_nat ebtables x_tables nfs fscache nfsd lockd auth_rpcgss
nfs_acl sunrpc bridge stp kvm_intel kvm usb_storage joydev sg bnx2x mperf
coretemp crc32c_intel ghash_clmulni_intel aesni_intel cryptd crc32c
aes_x86_64 sb_edac ioatdma dca hpilo iTCO_wdt hpwdt libcrc32c
iTCO_vendor_support mdio edac_core pcspkr serio_raw tg3 button container
acpi_power_meter sha1_ssse3 sha1_generic arc4 ecb ppp_mppe ppp_generic slhc
microcode autofs4 usbhid uhci_hcd ehci_hcd usbcore usb_common thermal
processor thermal_sys scsi_dh_emc scsi_dh_hp_sw scsi_dh_alua scsi_dh_rdac
scsi_dh hpsa
[ 51.943880] Pid: 7222, comm: libvirtd Tainted: G W
3.4.28-2.20-default #1
[ 51.943882] Call Trace:
[ 51.943909] [<ffffffff81004598>] dump_trace+0x78/0x2c0
[ 51.943920] [<ffffffff81532e6a>] dump_stack+0x69/0x6f
[ 51.943926] [<ffffffff8103ead9>] warn_slowpath_common+0x79/0xc0
[ 51.943931] [<ffffffff8103ebd5>] warn_slowpath_fmt+0x45/0x50
[ 51.943934] [<ffffffff8151c04c>] mem_cgroup_create+0x3ac/0x510
[ 51.943944] [<ffffffff810a7983>] cgroup_mkdir+0x103/0x3a0
[ 51.943952] [<ffffffff81160345>] vfs_mkdir+0xb5/0x170
[ 51.943958] [<ffffffff81164444>] sys_mkdirat+0xe4/0xf0
[ 51.943968] [<ffffffff81545c7d>] system_call_fastpath+0x1a/0x1f
[ 51.943974] [<00007f12ed256f77>] 0x7f12ed256f76
[ 51.943975] ---[ end trace a6c54db610fd5bb5 ]---
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: kernel trace
2013-03-07 16:50 kernel trace Alexander R
@ 2013-03-14 10:21 ` Michal Hocko
2013-03-14 10:52 ` Alexander R
0 siblings, 1 reply; 4+ messages in thread
From: Michal Hocko @ 2013-03-14 10:21 UTC (permalink / raw)
To: Alexander R; +Cc: linux-mm
On Thu 07-03-13 20:50:05, Alexander R wrote:
> Hi,
Hi,
> i use opensuse12.2 x86_64.
>
> May be it would helpfully for your development
>
> [ 51.943819] ------------[ cut here ]------------
> [ 51.943838] WARNING: at
> /home/abuild/rpmbuild/BUILD/kernel-default-3.4.28/linux-3.4/mm/memcontrol.c:5007
> mem_cgroup_create+0x3ac/0x510()
> [ 51.943841] Hardware name: ProLiant DL560 Gen8
> [ 51.943842] Creating hierarchies with use_hierarchy==0 (flat hierarchy)
> is considered deprecated. If you believe that your setup is correct, we
> kindly ask you to contact linux-mm@kvack.org and let us know
[...]
> [ 51.943880] Pid: 7222, comm: libvirtd Tainted: G W
> 3.4.28-2.20-default #1
> [ 51.943882] Call Trace:
> [ 51.943909] [<ffffffff81004598>] dump_trace+0x78/0x2c0
> [ 51.943920] [<ffffffff81532e6a>] dump_stack+0x69/0x6f
> [ 51.943926] [<ffffffff8103ead9>] warn_slowpath_common+0x79/0xc0
> [ 51.943931] [<ffffffff8103ebd5>] warn_slowpath_fmt+0x45/0x50
> [ 51.943934] [<ffffffff8151c04c>] mem_cgroup_create+0x3ac/0x510
> [ 51.943944] [<ffffffff810a7983>] cgroup_mkdir+0x103/0x3a0
> [ 51.943952] [<ffffffff81160345>] vfs_mkdir+0xb5/0x170
> [ 51.943958] [<ffffffff81164444>] sys_mkdirat+0xe4/0xf0
> [ 51.943968] [<ffffffff81545c7d>] system_call_fastpath+0x1a/0x1f
> [ 51.943974] [<00007f12ed256f77>] 0x7f12ed256f76
> [ 51.943975] ---[ end trace a6c54db610fd5bb5 ]---
This is a known thing. Please have a look at
https://bugzilla.novell.com/show_bug.cgi?id=781134
--
Michal Hocko
SUSE Labs
--
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: kernel trace
2013-03-14 10:21 ` Michal Hocko
@ 2013-03-14 10:52 ` Alexander R
2013-03-14 13:09 ` Michal Hocko
0 siblings, 1 reply; 4+ messages in thread
From: Alexander R @ 2013-03-14 10:52 UTC (permalink / raw)
To: Michal Hocko; +Cc: linux-mm
On Thu, Mar 14, 2013 at 2:21 PM, Michal Hocko <mhocko@suse.cz> wrote:
> On Thu 07-03-13 20:50:05, Alexander R wrote:
>> Hi,
>
> Hi,
>
>> i use opensuse12.2 x86_64.
>>
>> May be it would helpfully for your development
>>
>> [ 51.943819] ------------[ cut here ]------------
>> [ 51.943838] WARNING: at
>> /home/abuild/rpmbuild/BUILD/kernel-default-3.4.28/linux-3.4/mm/memcontrol.c:5007
>> mem_cgroup_create+0x3ac/0x510()
>> [ 51.943841] Hardware name: ProLiant DL560 Gen8
>> [ 51.943842] Creating hierarchies with use_hierarchy==0 (flat hierarchy)
>> is considered deprecated. If you believe that your setup is correct, we
>> kindly ask you to contact linux-mm@kvack.org and let us know
> [...]
>> [ 51.943880] Pid: 7222, comm: libvirtd Tainted: G W
>> 3.4.28-2.20-default #1
>> [ 51.943882] Call Trace:
>> [ 51.943909] [<ffffffff81004598>] dump_trace+0x78/0x2c0
>> [ 51.943920] [<ffffffff81532e6a>] dump_stack+0x69/0x6f
>> [ 51.943926] [<ffffffff8103ead9>] warn_slowpath_common+0x79/0xc0
>> [ 51.943931] [<ffffffff8103ebd5>] warn_slowpath_fmt+0x45/0x50
>> [ 51.943934] [<ffffffff8151c04c>] mem_cgroup_create+0x3ac/0x510
>> [ 51.943944] [<ffffffff810a7983>] cgroup_mkdir+0x103/0x3a0
>> [ 51.943952] [<ffffffff81160345>] vfs_mkdir+0xb5/0x170
>> [ 51.943958] [<ffffffff81164444>] sys_mkdirat+0xe4/0xf0
>> [ 51.943968] [<ffffffff81545c7d>] system_call_fastpath+0x1a/0x1f
>> [ 51.943974] [<00007f12ed256f77>] 0x7f12ed256f76
>> [ 51.943975] ---[ end trace a6c54db610fd5bb5 ]---
>
> This is a known thing. Please have a look at
> https://bugzilla.novell.com/show_bug.cgi?id=781134
Access Denied
You are not authorized to access bug #781134.
i've no access.
Thanks!
--
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: kernel trace
2013-03-14 10:52 ` Alexander R
@ 2013-03-14 13:09 ` Michal Hocko
0 siblings, 0 replies; 4+ messages in thread
From: Michal Hocko @ 2013-03-14 13:09 UTC (permalink / raw)
To: Alexander R; +Cc: linux-mm
On Thu 14-03-13 14:52:38, Alexander R wrote:
> On Thu, Mar 14, 2013 at 2:21 PM, Michal Hocko <mhocko@suse.cz> wrote:
> > On Thu 07-03-13 20:50:05, Alexander R wrote:
> >> Hi,
> >
> > Hi,
> >
> >> i use opensuse12.2 x86_64.
> >>
> >> May be it would helpfully for your development
> >>
> >> [ 51.943819] ------------[ cut here ]------------
> >> [ 51.943838] WARNING: at
> >> /home/abuild/rpmbuild/BUILD/kernel-default-3.4.28/linux-3.4/mm/memcontrol.c:5007
> >> mem_cgroup_create+0x3ac/0x510()
> >> [ 51.943841] Hardware name: ProLiant DL560 Gen8
> >> [ 51.943842] Creating hierarchies with use_hierarchy==0 (flat hierarchy)
> >> is considered deprecated. If you believe that your setup is correct, we
> >> kindly ask you to contact linux-mm@kvack.org and let us know
> > [...]
> >> [ 51.943880] Pid: 7222, comm: libvirtd Tainted: G W
> >> 3.4.28-2.20-default #1
> >> [ 51.943882] Call Trace:
> >> [ 51.943909] [<ffffffff81004598>] dump_trace+0x78/0x2c0
> >> [ 51.943920] [<ffffffff81532e6a>] dump_stack+0x69/0x6f
> >> [ 51.943926] [<ffffffff8103ead9>] warn_slowpath_common+0x79/0xc0
> >> [ 51.943931] [<ffffffff8103ebd5>] warn_slowpath_fmt+0x45/0x50
> >> [ 51.943934] [<ffffffff8151c04c>] mem_cgroup_create+0x3ac/0x510
> >> [ 51.943944] [<ffffffff810a7983>] cgroup_mkdir+0x103/0x3a0
> >> [ 51.943952] [<ffffffff81160345>] vfs_mkdir+0xb5/0x170
> >> [ 51.943958] [<ffffffff81164444>] sys_mkdirat+0xe4/0xf0
> >> [ 51.943968] [<ffffffff81545c7d>] system_call_fastpath+0x1a/0x1f
> >> [ 51.943974] [<00007f12ed256f77>] 0x7f12ed256f76
> >> [ 51.943975] ---[ end trace a6c54db610fd5bb5 ]---
> >
> > This is a known thing. Please have a look at
> > https://bugzilla.novell.com/show_bug.cgi?id=781134
>
> Access Denied
> You are not authorized to access bug #781134.
Hmm, strange. The bug is not marked as private. Do you have an account
in bugzilla?
Anyway, the point is that this is known and libvirt maintainers are
supposed to fix this. The warning is harmless and it is mentioned to
kick authors of sw. misusing hierarchies to change their layout or speek
loudly if they believe their usage makes sense and it shouldn't be
changed.
--
Michal Hocko
SUSE Labs
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To unsubscribe, send a message with 'unsubscribe linux-mm' in
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2013-03-07 16:50 kernel trace Alexander R
2013-03-14 10:21 ` Michal Hocko
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