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Red Hat Bugzilla – Attachment 314981 Details for
Bug 458684
GFS2: glock deadlock in page fault path
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Latest hang data
glock_hang2.txt (text/plain), 20.67 KB, created by
Robert Peterson
on 2008-08-26 12:33:15 UTC
(
hide
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Description:
Latest hang data
Filename:
MIME Type:
Creator:
Robert Peterson
Created:
2008-08-26 12:33:15 UTC
Size:
20.67 KB
patch
obsolete
>[bob@ganesha ../sata1/home.f8/bob/tools]$ ./gfs2_hangalyzer -n roth-01 >roth-01 : test_gfs: G: s:UN n:2/16 f:lr t:SH d:EX/0 l:0 a:0 r:5 >roth-01 : (locked, reply pending) >roth-01 : test_gfs: H: s:SH f:aW e:0 p:6027 [rm] gfs2_permission+0x7b/0xd5 [gfs2] > lkb_id N RemoteID pid exflg lkbflgs stat gr rq waiting n ln resource name >roth-01 : test_gfs: ee000c 0 0 6027 0 0 grnt 3 -1 0 0 24 " 2 16" >roth-03 : test_gfs: G: s:UN n:2/16 f: t:UN d:EX/0 l:0 a:0 r:2 > > > >roth-01 : test_gfs: G: s:EX n:2/5c7989d f:Dy t:EX d:SH/557897000 l:0 a:0 r:6 >roth-01 : (demote, dirty) >roth-01 : test_gfs: H: s:EX f:aH e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: I: n:199/96966813 t:8 f:0x0000001c >roth-01 : test_gfs: 72090: gfs2_glock_dq 5988, f: dy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72091: do_promote 5988, f: ldy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5988 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72092: gfs2_glock_dq 5989, f: dy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5988 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72093: do_promote 5989, f: ldy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5988 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72094: gfs2_glock_dq 5988, f: dy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72095: do_promote 5988, f: ldy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5988 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72096: gfs2_glock_dq 5989, f: dy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5988 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72097: do_promote 5989, f: ldy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5988 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72098: gfs2_glock_dq 5988, f: dy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72099: do_promote 5988, f: ldy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5988 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72100: gfs2_glock_dq 5989, f: dy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5988 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72101: do_promote 5989, f: ldy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5988 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72102: gfs2_glock_dq 5988, f: dy tgt: EX, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72103: do_xmote1 4495, f: lDpy tgt: UN, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72104: do_error3 4495, f: lDpyi tgt: UN, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72105: search_bucket 4592, f: lDp tgt: UN, dmt: UN, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72106: finish_xmote 4495, f: lDp tgt: UN, dmt: UN, St: EX -> UN >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72107: do_error4 4495, f: l tgt: EX, dmt: EX, St: UN >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72108: do_xmote1 4495, f: l tgt: EX, dmt: EX, St: UN >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72109: search_bucket 4592, f: l tgt: EX, dmt: EX, St: UN >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: H: s:EX f:aW e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: 72110: finish_xmote 4495, f: l tgt: EX, dmt: EX, St: UN -> EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: H: s:EX f:aW e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: 72111: do_promote 4495, f: l tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: H: s:EX f:aW e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: 72112: gfs2_glock_dq 5989, f: tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:aW e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: 72113: do_promote 5989, f: l tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:aW e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72114: gfs2_glock_dq 5988, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72115: do_promote 5988, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: H: s:EX f:aW e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: 72116: gfs2_glock_dq 5989, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:aW e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: 72117: do_promote 5989, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:aW e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72118: search_bucket 4592, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:aH e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72119: CB_NEED_S 4592, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:aH e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72120: handle_callbk2 4592, f: y tgt: EX, dmt: EX, St: EX -> SH >roth-01 : test_gfs: H: s:EX f:aH e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] >roth-01 : test_gfs: 72121: run_queue1 4495, f: lDy tgt: EX, dmt: SH, St: EX >roth-01 : test_gfs: H: s:EX f:aH e:0 p:5988 [d_doio] gfs2_prepare_write+0xc7/0x360 [gfs2] >roth-01 : test_gfs: H: s:EX f:W e:0 p:5989 [d_doio] gfs2_sharewrite_nopage+0x5b/0x2bf [gfs2] > lkb_id N RemoteID pid exflg lkbflgs stat gr rq waiting n ln resource name >roth-01 : test_gfs: 146000a 0 0 4495 0 0 grnt 5 -1 0 0 24 " 2 5c7989d" >roth-01 : test_gfs: 375000b 3 60006 5363 0 10000 wait -1 3 605564 0 24 " 2 5c7989d" >roth-03 : test_gfs: G: s:UN n:2/5c7989d f:l t:SH d:EX/0 l:0 a:0 r:5 >roth-03 : test_gfs: H: s:SH f:aW e:0 p:5363 [d_doio] gfs2_mmap+0x2e/0x83 [gfs2] >roth-03 : test_gfs: H: s:SH f:aW e:0 p:5364 [d_doio] gfs2_mmap+0x2e/0x83 [gfs2] > lkb_id N RemoteID pid exflg lkbflgs stat gr rq waiting n ln resource name >roth-03 : test_gfs: 60006 1 375000b 5363 0 0 wait -1 3 0 1 24 " 2 5c7989d" > > > >roth-01 : test_gfs: G: s:UN n:2/183f0 f:lDr t:EX d:UN/502374000 l:0 a:0 r:5 >roth-01 : (locked, demote, reply pending) >roth-01 : test_gfs: H: s:EX f:cW e:0 p:4659 [gfs2_quotad] gfs2_statfs_sync+0x3d/0x1ff [gfs2] > lkb_id N RemoteID pid exflg lkbflgs stat gr rq waiting n ln resource name >roth-01 : test_gfs: 26f000d 3 750006 4659 0 0 grnt 5 -1 0 3 24 " 2 183f0" >roth-03 : test_gfs: G: s:UN n:2/183f0 f:l t:EX d:EX/0 l:0 a:0 r:4 >roth-03 : test_gfs: H: s:EX f:cW e:0 p:4461 [gfs2_quotad] gfs2_statfs_sync+0x3d/0x1ff [gfs2] > lkb_id N RemoteID pid exflg lkbflgs stat gr rq waiting n ln resource name >roth-03 : test_gfs: 750006 1 26f000d 4659 0 10000 grnt 5 -1 0 0 24 " 2 183f0" >roth-03 : test_gfs: c60004 0 0 4461 0 0 wait -1 5 0 0 24 " 2 183f0" > > > >roth-01 : test_gfs: G: s:EX n:3/5c70b69 f:y t:EX d:EX/0 l:0 a:5 r:6 >roth-01 : test_gfs: H: s:EX f:tH e:0 p:5989 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5988 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: R: n:96930665 >roth-01 : test_gfs: 144663: gfs2_glock_dq fastpa 5989, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144664: do_promote 5988, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5988 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144665: gfs2_glock_dq fastpa 5988, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144666: do_promote 5989, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5989 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144667: gfs2_glock_dq fastpa 5989, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144668: do_promote 5988, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5988 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144669: gfs2_glock_dq fastpa 5988, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144670: do_promote 5989, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5989 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144671: gfs2_glock_dq fastpa 5989, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144672: do_promote 5988, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5988 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144673: gfs2_glock_dq fastpa 5988, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144674: do_promote 5989, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5989 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144675: gfs2_glock_dq fastpa 5989, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144676: do_promote 5988, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5988 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144677: gfs2_glock_dq fastpa 5988, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144678: do_promote 5989, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5989 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144679: gfs2_glock_dq fastpa 5989, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144680: do_promote 5988, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5988 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144681: gfs2_glock_dq fastpa 5988, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144682: do_promote 5989, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5989 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144683: gfs2_glock_dq fastpa 5989, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144684: do_promote 5988, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5988 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144685: gfs2_glock_dq fastpa 5988, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144686: do_promote 5988, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5988 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144687: gfs2_glock_dq fastpa 5988, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144688: do_promote 5988, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5988 [d_doio] gfs2_rlist_alloc+0x5c/0x6a [gfs2] >roth-01 : test_gfs: 144689: gfs2_glock_dq fastpa 5988, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144690: do_promote 5988, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:W e:0 p:5988 [d_doio] gfs2_dinode_dealloc+0xf3/0x1a7 [gfs2] >roth-01 : test_gfs: 144691: gfs2_glock_dq fastpa 5988, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144692: do_promote 5988, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5988 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] >roth-01 : test_gfs: 144693: gfs2_glock_dq fastpa 5988, f: y tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: 144694: do_promote 5989, f: ly tgt: EX, dmt: EX, St: EX >roth-01 : test_gfs: H: s:EX f:tW e:0 p:5989 [d_doio] gfs2_inplace_reserve_i+0x254/0x691 [gfs2] > lkb_id N RemoteID pid exflg lkbflgs stat gr rq waiting n ln resource name >roth-01 : test_gfs: 1f90002 0 0 5529 1 0 grnt 5 -1 0 0 24 " 3 5c70b69" >roth-03 : test_gfs: G: s:UN n:3/5c70b69 f: t:UN d:EX/0 l:0 a:0 r:2 > > > >There are 4 glocks with waiters. >roth-01, pid 6027 is waiting for glock 2/16, but no holder was found. (root) > >roth-01, pid 5989 is waiting for glock 2/5c7989d, which is held by pid 5988 (/buffered-write-mmindirect) >roth-03, pid 5363 is waiting for glock 2/5c7989d, which is held by pid 5988 (/buffered-write-mmindirect) >roth-03, pid 5364 is waiting for glock 2/5c7989d, which is held by pid 5988 (/buffered-write-mmindirect) > >roth-01, pid 4659 is waiting for glock 2/183f0, but no holder was found. (statfs) >roth-03, pid 4461 is waiting for glock 2/183f0, but no holder was found. (statfs) > >roth-01, pid 5988 is waiting for glock 3/5c70b69, which is held by pid 5989 (rgrp) > >-- >Bob's notes: > >5988 and 5989 are waiting for each other: > >5988 is holding inode glock, waiting for an rgrp glock (correct order) >5989 is holding sd_log_flush_lock and rgrp glock, waiting for inode glock (incorrect order) > 5989 likely took the sd_log_flush_lock in gfs2_log_reserve from the trans_begin in alloc_page_backing > > gfs2_sharewrite_nopage > -->alloc_page_backing > -->gfs2_trans_begin > -->gfs2_log_reserve > >Call traces of those two processes: > >d_doio D ffff810058aa00c0 0 5989 5987 5988 (NOTLB) > ffff8100656ef7f8 0000000000000086 ffff81004ea68368 0000000000000096 > 0000000000000296 0000000000000007 ffff810058aa00c0 ffff81006a0f3080 > 000003286d7800da 00000000000012af ffff810058aa02a8 000000018009e0db >Call Trace: > [<ffffffff80089441>] __wake_up_common+0x3e/0x68 > [<ffffffff884d24b7>] :gfs2:just_schedule+0x0/0xe > [<ffffffff884d24c0>] :gfs2:just_schedule+0x9/0xe > [<ffffffff800639be>] __wait_on_bit+0x40/0x6e > [<ffffffff884d24b7>] :gfs2:just_schedule+0x0/0xe > [<ffffffff80063a58>] out_of_line_wait_on_bit+0x6c/0x78 > [<ffffffff8009e100>] wake_bit_function+0x0/0x23 > [<ffffffff884d24b2>] :gfs2:gfs2_glock_wait+0x2b/0x30 > [<ffffffff884e331f>] :gfs2:gfs2_sharewrite_nopage+0x63/0x2bf > [<ffffffff80013576>] find_lock_page+0x26/0xa1 > (Bob: call to alloc_page_backing?) > [<ffffffff884e3317>] :gfs2:gfs2_sharewrite_nopage+0x5b/0x2bf > [<ffffffff884dc412>] :gfs2:gfs2_getbuf+0x106/0x115 > [<ffffffff8000884b>] __handle_mm_fault+0x1f8/0xe5c > [<ffffffff8002d253>] wake_up_bit+0x11/0x22 > [<ffffffff8006686f>] do_page_fault+0x4cb/0x830 > [<ffffffff884d5e50>] :gfs2:gfs2_glock_nq+0x248/0x273 > [<ffffffff8002d253>] wake_up_bit+0x11/0x22 > [<ffffffff800625df>] __sched_text_start+0x17f/0xaeb > [<ffffffff884d26f1>] :gfs2:do_promote+0x1f7/0x26f > [<ffffffff8005dde9>] error_exit+0x0/0x84 > [<ffffffff8000fb02>] generic_file_buffered_write+0x14d/0x6d3 > [<ffffffff8000fc6c>] generic_file_buffered_write+0x2b7/0x6d3 > [<ffffffff800160c7>] __generic_file_aio_write_nolock+0x36c/0x3b8 > [<ffffffff884d5e50>] :gfs2:gfs2_glock_nq+0x248/0x273 > [<ffffffff800c06a1>] __generic_file_write_nolock+0x8f/0xa8 > [<ffffffff8009e0d2>] autoremove_wake_function+0x0/0x2e > [<ffffffff8001c7eb>] vma_link+0xd0/0xfd > [<ffffffff80063aad>] mutex_lock+0xd/0x1d > [<ffffffff8000de45>] do_mmap_pgoff+0x66c/0x7d7 > [<ffffffff8004502a>] generic_file_write+0x49/0xa7 > [<ffffffff800164cf>] vfs_write+0xce/0x174 > [<ffffffff80016d9c>] sys_write+0x45/0x6e > [<ffffffff8005d28d>] tracesys+0xd5/0xe0 > >d_doio D ffffffff884d24b7 0 5988 5987 5989 (NOTLB) > ffff81005cc6b9c8 0000000000000082 ffff81006a0f3080 0000000000000001 > ffff81006a0f3080 0000000000000007 ffff81006a0f3080 ffff810037c2e100 > 000003286d7812dc 0000000000001202 ffff81006a0f3268 000000010000000a >Call Trace: > [<ffffffff884d26f1>] :gfs2:do_promote+0x1f7/0x26f > [<ffffffff884d24b7>] :gfs2:just_schedule+0x0/0xe > [<ffffffff884d24c0>] :gfs2:just_schedule+0x9/0xe > [<ffffffff800639be>] __wait_on_bit+0x40/0x6e > [<ffffffff884d24b7>] :gfs2:just_schedule+0x0/0xe > [<ffffffff80063a58>] out_of_line_wait_on_bit+0x6c/0x78 > [<ffffffff8009e100>] wake_bit_function+0x0/0x23 > [<ffffffff884d24b2>] :gfs2:gfs2_glock_wait+0x2b/0x30 > [<ffffffff884e7936>] :gfs2:gfs2_inplace_reserve_i+0x25c/0x691 > [<ffffffff884d716c>] :gfs2:gfs2_glock_nq_atime+0x11c/0x2ca > [<ffffffff800c625c>] zone_statistics+0x3e/0x6d > [<ffffffff884dde8b>] :gfs2:gfs2_prepare_write+0x194/0x360 > [<ffffffff8000fc21>] generic_file_buffered_write+0x26c/0x6d3 > [<ffffffff80031a8f>] sock_common_recvmsg+0x2d/0x43 > [<ffffffff8000dfeb>] current_fs_time+0x3b/0x40 > [<ffffffff800c625c>] zone_statistics+0x3e/0x6d > [<ffffffff800160c7>] __generic_file_aio_write_nolock+0x36c/0x3b8 > [<ffffffff800c06a1>] __generic_file_write_nolock+0x8f/0xa8 > [<ffffffff8009e0d2>] autoremove_wake_function+0x0/0x2e > [<ffffffff80063aad>] mutex_lock+0xd/0x1d > [<ffffffff80021fcc>] remote_llseek+0x73/0x7b > [<ffffffff8004502a>] generic_file_write+0x49/0xa7 > [<ffffffff800164cf>] vfs_write+0xce/0x174 > [<ffffffff80016d9c>] sys_write+0x45/0x6e > [<ffffffff8005d28d>] tracesys+0xd5/0xe0
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