Bug 1114113

Summary: OOM issues when caching many volumes
Product: Red Hat Enterprise Linux 7 Reporter: Corey Marthaler <cmarthal>
Component: lvm2Assignee: Zdenek Kabelac <zkabelac>
lvm2 sub component: Cache Logical Volumes QA Contact: cluster-qe <cluster-qe>
Status: CLOSED DUPLICATE Docs Contact:
Severity: high    
Priority: unspecified CC: agk, heinzm, jbrassow, msnitzer, prajnoha, zkabelac
Version: 7.3   
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: 1110041 Environment:
Last Closed: 2016-01-22 18:46:48 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1110041    
Bug Blocks:    

Comment 1 Corey Marthaler 2014-06-27 18:34:48 UTC 
Happened in 6.6 as well creating the 74th cache vol.


Jun 27 11:39:32 host-002 qarshd[9906]: Running cmdline: lvconvert --yes --type cache --cachepool cache_sanity/pool_74 cache_sanity/origin_74
Jun 27 11:39:33 host-002 kernel: lvconvert invoked oom-killer: gfp_mask=0x200da, order=0, oom_adj=0, oom_score_adj=0
Jun 27 11:39:33 host-002 kernel: lvconvert cpuset=/ mems_allowed=0
Jun 27 11:39:33 host-002 kernel: Pid: 9907, comm: lvconvert Tainted: G           ---------------  T 2.6.32-485.el6.x86_64 #1
Jun 27 11:39:33 host-002 kernel: Call Trace:
Jun 27 11:39:33 host-002 kernel: [<ffffffff810d3821>] ? cpuset_print_task_mems_allowed+0x91/0xb0
Jun 27 11:39:33 host-002 kernel: [<ffffffff81126a10>] ? dump_header+0x90/0x1b0
Jun 27 11:39:33 host-002 kernel: [<ffffffff810d48c1>] ? cpuset_mems_allowed_intersects+0x21/0x30
Jun 27 11:39:33 host-002 kernel: [<ffffffff81126e92>] ? oom_kill_process+0x82/0x2a0
Jun 27 11:39:33 host-002 kernel: [<ffffffff81126d8e>] ? select_bad_process+0x9e/0x120
Jun 27 11:39:33 host-002 kernel: [<ffffffff811272d0>] ? out_of_memory+0x220/0x3c0
Jun 27 11:39:33 host-002 kernel: [<ffffffff81133bef>] ? __alloc_pages_nodemask+0x89f/0x8d0
Jun 27 11:39:33 host-002 kernel: [<ffffffff8116bc9a>] ? alloc_pages_vma+0x9a/0x150
Jun 27 11:39:33 host-002 kernel: [<ffffffff8115f8f2>] ? read_swap_cache_async+0xf2/0x160
Jun 27 11:39:33 host-002 kernel: [<ffffffff81160419>] ? valid_swaphandles+0x69/0x150
Jun 27 11:39:33 host-002 kernel: [<ffffffff8115f9e7>] ? swapin_readahead+0x87/0xc0
Jun 27 11:39:33 host-002 kernel: [<ffffffff8114eced>] ? handle_pte_fault+0x6dd/0xb00
Jun 27 11:39:33 host-002 kernel: [<ffffffff8117c670>] ? mem_cgroup_get_reclaim_stat_from_page+0x20/0x70
Jun 27 11:39:33 host-002 kernel: [<ffffffff81139cad>] ? update_page_reclaim_stat+0x2d/0x70
Jun 27 11:39:33 host-002 kernel: [<ffffffff8114f33a>] ? handle_mm_fault+0x22a/0x300
Jun 27 11:39:33 host-002 kernel: [<ffffffff8114f53a>] ? __get_user_pages+0x12a/0x430
Jun 27 11:39:33 host-002 kernel: [<ffffffff8113aa5e>] ? add_page_to_unevictable_list+0x9e/0xc0
Jun 27 11:39:33 host-002 kernel: [<ffffffff81151270>] ? __mlock_vma_pages_range+0xb0/0x200
Jun 27 11:39:33 host-002 kernel: [<ffffffff8115167b>] ? mlock_fixup+0x16b/0x200
Jun 27 11:39:33 host-002 kernel: [<ffffffff811519c9>] ? do_mlock+0xc9/0x100
Jun 27 11:39:33 host-002 kernel: [<ffffffff81151b48>] ? sys_mlock+0xb8/0x100
Jun 27 11:39:33 host-002 kernel: [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b




2.6.32-485.el6.x86_64
lvm2-2.02.107-1.el6    BUILT: Mon Jun 23 09:44:45 CDT 2014
lvm2-libs-2.02.107-1.el6    BUILT: Mon Jun 23 09:44:45 CDT 2014
lvm2-cluster-2.02.107-1.el6    BUILT: Mon Jun 23 09:44:45 CDT 2014
udev-147-2.55.el6    BUILT: Wed Jun 18 06:30:21 CDT 2014
device-mapper-1.02.86-1.el6    BUILT: Mon Jun 23 09:44:45 CDT 2014
device-mapper-libs-1.02.86-1.el6    BUILT: Mon Jun 23 09:44:45 CDT 2014
device-mapper-event-1.02.86-1.el6    BUILT: Mon Jun 23 09:44:45 CDT 2014
device-mapper-event-libs-1.02.86-1.el6    BUILT: Mon Jun 23 09:44:45 CDT 2014
device-mapper-persistent-data-0.3.2-1.el6    BUILT: Fri Apr  4 08:43:06 CDT 2014
cmirror-2.02.107-1.el6    BUILT: Mon Jun 23 09:44:45 CDT 2014
Comment 6 Jonathan Earl Brassow 2016-01-22 18:46:48 UTC 
moving this to rhel7 has the effect of making it a dup of the bug it was cloned from.

*** This bug has been marked as a duplicate of bug 1110041 ***