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Message-ID: <20060807131452.GA3618@blackhole.websupport.sk>
Date: Mon, 7 Aug 2006 15:14:52 +0200
From: stanojr@...ckhole.websupport.sk
To: linux-kernel@...r.kernel.org
Subject: 2.6.17.7-grsec x86_64 pdflush killed
Hi guys,
i got some scary messages from kernel, pls check it out, wtf is problem
machine is still runing with only one pdflush thread
i use grsec + drbd
.config attached
pls cc me cos i am not subscribed
Aug 7 14:15:50 dude general protection fault: 0000 [1] SMP
Aug 7 14:15:50 dude CPU 0
Aug 7 14:15:50 dude Modules linked in: drbd
Aug 7 14:15:50 dude Pid: 169, comm: pdflush Not tainted 2.6.17.7-grsec #4
Aug 7 14:15:50 dude RIP: 0010:[<ffffffff8020e03d>] <ffffffff8020e03d>{find_get_pages_tag+67}
Aug 7 14:15:50 dude RSP: 0018:ffff810077fb7bb8 EFLAGS: 00010093
Aug 7 14:15:50 dude RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000000c
Aug 7 14:15:50 dude RDX: fdff8100016f36f8 RSI: 0000000000000000 RDI: 00000000fffffffa
Aug 7 14:15:50 dude RBP: ffff810077fb7c58 R08: 000000000000000c R09: fdff8100016f36f8
Aug 7 14:15:50 dude R10: 0000000000000040 R11: 0000000000000040 R12: 000000000000000e
Aug 7 14:15:50 dude R13: ffff81005d42d448 R14: ffff810077fb7c30 R15: 0000000000000000
Aug 7 14:15:50 dude FS: 0000000000000000(0000) GS:ffffffff8061a000(0000) knlGS:0000000000000000
Aug 7 14:15:50 dude CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
Aug 7 14:15:50 dude CR2: 0000000000c4f000 CR3: 0000000078bc4000 CR4: 00000000000006e0
Aug 7 14:15:50 dude Process pdflush (pid: 169, threadinfo ffff810077fb6000, task ffff81001b4ef5d0)
Aug 7 14:15:50 dude Stack: ffff810077fb7c48 ffff810077fb7e58 ffff81005d42d448 ffff8100c76cd4d0
Aug 7 14:15:50 dude ffff81005d42d448 ffffffff80246363 ffff810077fb7e58 ffffffff8021c047
Aug 7 14:15:50 dude ffff81003788b580 0000000000000000
Aug 7 14:15:50 dude Call Trace: <ffffffff80246363>{pagevec_lookup_tag+26}
Aug 7 14:15:50 dude <ffffffff8021c047>{mpage_writepages+728} <ffffffff803763c5>{xfs_vm_writepage+0}
Aug 7 14:15:50 dude <ffffffff803738cb>{xfs_inode_flush+360} <ffffffff802588b4>{do_writepages+41}
Aug 7 14:15:50 dude <ffffffff8022e1a8>{__writeback_single_inode+457} <ffffffff8025ccb2>{thread_retu
rn+0}
Aug 7 14:15:50 dude <ffffffff8037cc5f>{xfs_bdstrat_cb+0} <ffffffff8021f877>{sync_sb_inodes+464}
Aug 7 14:15:50 dude <ffffffff80289148>{keventd_create_kthread+0} <ffffffff8024ecde>{writeback_inode
s+133}
Aug 7 14:15:50 dude <ffffffff8029405a>{wb_kupdate+142} <ffffffff8025441c>{pdflush+314}
Aug 7 14:15:50 dude <ffffffff80293fcc>{wb_kupdate+0} <ffffffff802542e2>{pdflush+0}
Aug 7 14:15:50 dude <ffffffff80230e6b>{kthread+200} <ffffffff8025aa8a>{child_rip+8}
Aug 7 14:15:50 dude <ffffffff80289148>{keventd_create_kthread+0} <ffffffff80230da3>{kthread+0}
Aug 7 14:15:50 dude <ffffffff8025aa82>{child_rip+0}
Aug 7 14:15:50 dude
Aug 7 14:15:50 dude Code: 8b 02 f6 c4 40 74 04 48 8b 52 10 f0 ff 42 08 ff c6 eb e2 85
Aug 7 14:15:50 dude RIP <ffffffff8020e03d>{find_get_pages_tag+67} RSP <ffff810077fb7bb8>
Aug 7 14:51:44 dude NMI Watchdog detected LOCKUP on CPU 0
Aug 7 14:51:44 dude CPU 0
Aug 7 14:51:44 dude Modules linked in: drbd
Aug 7 14:51:44 dude Pid: 5429, comm: nfsd Not tainted 2.6.17.7-grsec #4
Aug 7 14:51:44 dude RIP: 0010:[<ffffffff8025c33d>] <ffffffff8025c33d>{__write_lock_failed+9}
Aug 7 14:51:44 dude RSP: 0018:ffff81009a8e9880 EFLAGS: 00000087
Aug 7 14:51:44 dude RAX: ffff81005d42d460 RBX: ffff8100016f36f8 RCX: 0000000000000001
Aug 7 14:51:44 dude RDX: 0000000000000001 RSI: ffff81009a8e9ab8 RDI: ffff81005d42d460
Aug 7 14:51:44 dude RBP: ffff81005d42d448 R08: ffff81009a8e9990 R09: 0000000000000000
Aug 7 14:51:44 dude R10: ffff81009a8e9888 R11: 0000000000000001 R12: 0000000000000001
Aug 7 14:51:44 dude R13: ffff81009a8e9ab8 R14: ffff81005d42d330 R15: 0000000000001000
Aug 7 14:51:44 dude FS: 00002f250e07db00(0000) GS:ffffffff8061a000(0000) knlGS:0000000000000000
Aug 7 14:51:44 dude CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Aug 7 14:51:44 dude CR2: 00002ffb68ff6a96 CR3: 0000000051996000 CR4: 00000000000006e0
Aug 7 14:51:44 dude Process nfsd (pid: 5429, threadinfo ffff81009a8e8000, task ffff8100be2de200)
Aug 7 14:51:44 dude Stack: ffffffff8025e366 0000000000000286 ffffffff802119c0 ffff81009a8e9990
Aug 7 14:51:44 dude 0000000000000001 ffff8100016f36f8 0000000000000001 ffff81009a8e9ab8
Aug 7 14:51:44 dude ffffffff8037559a 0000000000000001
Aug 7 14:51:44 dude Call Trace: <ffffffff8025e366>{.text.lock.spinlock+103}
Aug 7 14:51:44 dude <ffffffff802119c0>{test_set_page_writeback+55} <ffffffff8037559a>{xfs_start_pag
e_writeback+24}
Aug 7 14:51:44 dude <ffffffff80375d65>{xfs_page_state_convert+1218} <ffffffff802a23b6>{__bio_clone+
120}
Aug 7 14:51:44 dude <ffffffff80292cf8>{free_pages_bulk+42} <ffffffff8037646c>{xfs_vm_writepage+167}
Aug 7 14:51:44 dude <ffffffff80242872>{pageout+291} <ffffffff80212512>{shrink_zone+2065}
Aug 7 14:51:44 dude <ffffffff8029495e>{try_to_free_pages+322} <ffffffff8020e9fe>{__alloc_pages+407}
Aug 7 14:51:44 dude <ffffffff8048f17a>{svc_recv+287} <ffffffff80278cd6>{default_wake_function+0}
Aug 7 14:51:44 dude <ffffffff80278cd6>{default_wake_function+0} <ffffffff8030ad61>{nfsd+0}
Aug 7 14:51:44 dude <ffffffff8030ae6e>{nfsd+269} <ffffffff8025aa8a>{child_rip+8}
Aug 7 14:51:44 dude <ffffffff8030ad61>{nfsd+0} <ffffffff8030ad61>{nfsd+0}
Aug 7 14:51:44 dude <ffffffff8025aa82>{child_rip+0}
Aug 7 14:51:44 dude
Aug 7 14:51:44 dude Code: 81 38 00 00 00 01 75 f6 f0 81 28 00 00 00 01 0f 85 e2 ff ff
Aug 7 14:51:44 dude console shuts up ...
--
stanojr
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