From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fieldses.org ([174.143.236.118]:48062 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752082Ab0I1P2D (ORCPT ); Tue, 28 Sep 2010 11:28:03 -0400 Date: Tue, 28 Sep 2010 11:27:56 -0400 From: "J. Bruce Fields" To: Trond Myklebust Cc: linux-nfs@vger.kernel.org Subject: BUG() at mm/filemap.c:550 Message-ID: <20100928152756.GH24465@fieldses.org> References: <20100928152623.GG24465@fieldses.org> Content-Type: text/plain; charset=us-ascii In-Reply-To: <20100928152623.GG24465@fieldses.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 I'm getting this on the latest trond/linux-next. Looks like it's probably reproduceable just with basic connectathon tests over any nfs version. --b. ------------[ cut here ]------------ kernel BUG at mm/filemap.c:550! invalid opcode: 0000 [#1] PREEMPT last sysfs file: /sys/devices/virtio-pci/virtio2/net/eth0/broadcast CPU 0 Modules linked in: [last unloaded: scsi_wait_scan] Pid: 4342, comm: rm Not tainted 2.6.36-rc5-00191-g250bc65 #454 /Bochs RIP: 0010:[] [] unlock_page+0x32/0x40 RSP: 0018:ffff88001e735d98 EFLAGS: 00010246 RAX: ffff88001d52ea00 RBX: ffffea00005a1660 RCX: 0000000000000000 RDX: 0000000000000002 RSI: ffff88001e01ef4a RDI: ffffea00005a1660 RBP: ffff88001e735da8 R08: ffffffff82606d70 R09: 0000000000000000 R10: 0000000000000246 R11: 000000000000015a R12: 0000000000000001 R13: ffff88001d596d28 R14: ffff88001e735e58 R15: 0000000000000001 FS: 00007f79de748700(0000) GS:ffffffff81e1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00007f79de726008 CR3: 000000001fbb1000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process rm (pid: 4342, threadinfo ffff88001e734000, task ffff88001e8fa050) Stack: ffff88001e735db8 ffff88001e735e58 ffff88001e735dc8 ffffffff8121b42a <0> ffff88001e735e58 ffff880019bd4000 ffff88001e735e28 ffffffff8121bd41 <0> ffff88001e735df8 0000000000000000 ffffffff810f4200 ffff88001e735f38 Call Trace: [] cache_page_release+0x1a/0x40 [] nfs_do_filldir+0xf1/0x130 [] ? filldir+0x0/0xe0 [] ? filldir+0x0/0xe0 [] nfs_readdir+0x225/0x460 [] ? nfs4_decode_dirent+0x0/0x100 [] ? filldir+0x0/0xe0 [] vfs_readdir+0xc0/0xe0 [] sys_getdents+0x88/0xf0 [] system_call_fastpath+0x16/0x1b Code: ec 08 0f 1f 44 00 00 f6 07 01 48 89 fb 74 1c 80 27 fe e8 a2 e7 ff ff 48 89 de 31 d2 48 89 c7 e8 65 da fa ff 48 83 c4 08 5b c9 c3 <0f> 0b eb fe 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 83 ec RIP [] unlock_page+0x32/0x40 RSP ---[ end trace 9808e83fed8c72ce ]---