From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Jones Subject: Re: kernel BUG at include/net/netns/generic.h:41 Date: Mon, 2 Apr 2012 13:26:00 -0400 Message-ID: <20120402172600.GA3728@redhat.com> References: <20120328002346.GB3077@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Trond.Myklebust@netapp.com To: Linux Kernel , netdev@vger.kernel.org Return-path: Content-Disposition: inline In-Reply-To: <20120328002346.GB3077@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org [added Trond to cc:] still seeing this in 3.4rc1 Dave On Tue, Mar 27, 2012 at 08:23:46PM -0400, Dave Jones wrote: > I started seeing this every boot.. (v3.3-6972-ge22057c) > > [ 17.103931] ------------[ cut here ]------------ > [ 17.105987] RPC: Registered named UNIX socket transport module. > [ 17.105989] RPC: Registered udp transport module. > [ 17.105990] RPC: Registered tcp transport module. > [ 17.105992] RPC: Registered tcp NFSv4.1 backchannel transport module. > [ 17.104856] kernel BUG at include/net/netns/generic.h:41! > [ 17.104856] invalid opcode: 0000 [#1] PREEMPT SMP > [ 17.104856] CPU 0 > [ 17.104856] Modules linked in: sunrpc btrfs zlib_deflate libcrc32c firewire_ohci firewire_core sata_sil crc_itu_t floppy radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core > [ 17.104856] > [ 17.104856] Pid: 416, comm: mount Not tainted 3.3.0+ #19 /D975XBX > [ 17.104856] RIP: 0010:[] [] rpc_fill_super+0x29b/0x2a0 [sunrpc] > [ 17.104856] RSP: 0018:ffff8800b52c5cf8 EFLAGS: 00010246 > [ 17.104856] RAX: 0000000000000001 RBX: ffff8800a394dcd0 RCX: 0000000000000000 > [ 17.104856] RDX: ffff8800a4c10000 RSI: ffffffff81c2cd00 RDI: ffff8800a4c10918 > [ 17.104856] RBP: ffff8800b52c5d38 R08: 0000000000000001 R09: 0000000000000000 > [ 17.104856] R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000 > [ 17.104856] R13: ffffffff82d0f140 R14: ffff8800ba54c000 R15: 0000000000000000 > [ 17.104856] FS: 00007f1a97593800(0000) GS:ffff8800bf600000(0000) knlGS:0000000000000000 > [ 17.104856] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 17.104856] CR2: 0000003e92478a90 CR3: 00000000a4d22000 CR4: 00000000000007f0 > [ 17.104856] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 17.104856] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 17.104856] Process mount (pid: 416, threadinfo ffff8800b52c4000, task ffff8800a4c10000) > [ 17.104856] Stack: > [ 17.104856] ffffffffa02903f0 00000000000000d0 000060ff40002438 ffffffff82d0f140 > [ 17.104856] 0000000000000000 ffffffffa02903f0 ffff8800a394dcd0 0000000000000000 > [ 17.104856] ffff8800b52c5d88 ffffffff811a9d8c 0000000000000003 ffffffff00000001 > [ 17.104856] Call Trace: > [ 17.104856] [] ? rpc_mkpipe_dentry+0x180/0x180 [sunrpc] > [ 17.104856] [] ? rpc_mkpipe_dentry+0x180/0x180 [sunrpc] > [ 17.104856] [] mount_ns+0xac/0xe0 > [ 17.104856] [] rpc_mount+0x29/0x30 [sunrpc] > [ 17.104856] [] mount_fs+0x43/0x1b0 > [ 17.104856] [] ? __alloc_percpu+0x10/0x20 > [ 17.104856] [] vfs_kern_mount+0x72/0x100 > [ 17.104856] [] do_kern_mount+0x54/0x110 > [ 17.104856] [] do_mount+0x1a4/0x830 > [ 17.104856] [] ? memdup_user+0x4b/0x90 > [ 17.104856] [] ? strndup_user+0x5b/0x80 > [ 17.104856] [] sys_mount+0x90/0xe0 > [ 17.104856] [] system_call_fastpath+0x16/0x1b > [ 17.104856] Code: e8 db 7a e6 e0 84 c0 74 c9 48 c7 c7 00 cd c2 81 e8 bb e5 e1 e0 85 c0 0f 85 f4 fd ff ff eb b3 90 41 bf f4 ff ff ff e9 ce fe ff ff <0f> 0b 0f 0b 90 55 48 89 e5 41 54 53 48 83 ec 10 66 66 66 66 90 > [ 17.104856] RIP [] rpc_fill_super+0x29b/0x2a0 [sunrpc] > [ 17.104856] RSP > [ 17.469688] ---[ end trace 74871f164631364c ]--- > [ 17.488286] BUG: sleeping function called from invalid context at kernel/rwsem.c:21 > [ 17.498626] in_atomic(): 0, irqs_disabled(): 0, pid: 416, name: mount > [ 17.498629] INFO: lockdep is turned off. > [ 17.498631] Pid: 416, comm: mount Tainted: G D 3.3.0+ #19 > [ 17.498632] Call Trace: > [ 17.498639] [] __might_sleep+0x13c/0x1f0 > [ 17.498644] [] down_read+0x26/0x93 > [ 17.498646] [] exit_signals+0x24/0x130 > [ 17.498650] [] do_exit+0xbf/0xb60 > [ 17.498652] [] ? kmsg_dump+0x1c3/0x2c0 > [ 17.498654] [] ? kmsg_dump+0x7f/0x2c0 > [ 17.498657] [] oops_end+0xa4/0xf0 > [ 17.498660] [] die+0x58/0x90 > [ 17.498662] [] do_trap+0xc4/0x170 > [ 17.498665] [] ? do_invalid_op+0xa5/0xb0 > [ 17.498667] [] do_invalid_op+0x95/0xb0 > [ 17.498684] [] ? rpc_fill_super+0x29b/0x2a0 [sunrpc] > [ 17.498686] [] ? sub_preempt_count+0x9d/0xd0 > [ 17.498689] [] ? trace_hardirqs_off_thunk+0x3a/0x3c > [ 17.498692] [] ? restore_args+0x30/0x30 > [ 17.498696] [] invalid_op+0x15/0x20 > [ 17.498704] [] ? rpc_fill_super+0x29b/0x2a0 [sunrpc] > [ 17.498713] [] ? rpc_fill_super+0x285/0x2a0 [sunrpc] > [ 17.498721] [] ? rpc_mkpipe_dentry+0x180/0x180 [sunrpc] > [ 17.498731] [] ? rpc_mkpipe_dentry+0x180/0x180 [sunrpc] > [ 17.498734] [] mount_ns+0xac/0xe0 > [ 17.498743] [] rpc_mount+0x29/0x30 [sunrpc] > [ 17.498746] [] mount_fs+0x43/0x1b0 > [ 17.498750] [] ? __alloc_percpu+0x10/0x20 > [ 17.498754] [] vfs_kern_mount+0x72/0x100 > [ 17.498756] [] do_kern_mount+0x54/0x110 > [ 17.498760] [] do_mount+0x1a4/0x830 > [ 17.498763] [] ? memdup_user+0x4b/0x90 > [ 17.498765] [] ? strndup_user+0x5b/0x80 > [ 17.498769] [] sys_mount+0x90/0xe0 > [ 17.498773] [] system_call_fastpath+0x16/0x1b > [ 17.775067] systemd[1]: var-lib-nfs-rpc_pipefs.mount mount process exited, code=killed status=11 > [ 17.829617] systemd[1]: Job nfs-idmap.service/start failed with result 'dependency'. > [ 17.856061] systemd[1]: Unit var-lib-nfs-rpc_pipefs.mount entered failed state. > ---end quoted text---