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Date: Mon, 4 May 2009 23:14:26 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Holger Kiehl <Holger.Kiehl@....de> Cc: linux-kernel <linux-kernel@...r.kernel.org>, linux-nfs@...r.kernel.org Subject: Re: NFS write OOPS with 2.6.29.2 (cc linux-nfs) On Sun, 3 May 2009 16:03:38 +0000 (GMT) Holger Kiehl <Holger.Kiehl@....de> wrote: > Hello > > With plain kernel 2.6.29.2 I get the following OOPS (several of them) when > writing lots of small files on the client system: > > May 3 18:48:34 obelix kernel: ------------[ cut here ]------------ > May 3 18:48:34 obelix kernel: kernel BUG at fs/nfs/write.c:252! I think this is a well-know bug, and fixes should be available in 2.6.29.3? > May 3 18:48:34 obelix kernel: invalid opcode: 0000 [#1] SMP > May 3 18:48:34 obelix kernel: last sysfs file: /sys/devices/pci0000:00/0000:00:1c.2/0000:11:00.0/0000:12:00.0/irq > May 3 18:48:34 obelix kernel: CPU 1 > May 3 18:48:34 obelix kernel: Modules linked in: nfs lockd nfs_acl auth_rpcgss coretemp smsc47m1 ipmi_si ipmi_msghandler sunrpc binfmt_misc usbhid i5000_edac i2c_i801 uhci_hcd sg i2c_core i5k_amb ehci_hcd usbcore [last unloaded: scsi_wait_scan] > May 3 18:48:34 obelix kernel: Pid: 8328, comm: sf_loc Not tainted 2.6.29.2 #2 PRIMERGY RX300 S4 > May 3 18:48:34 obelix kernel: RIP: 0010:[<ffffffffa010effc>] [<ffffffffa010effc>] nfs_do_writepage+0xfa/0x196 [nfs] > May 3 18:48:34 obelix kernel: RSP: 0018:ffff8807e619bb28 EFLAGS: 00010286 > May 3 18:48:34 obelix kernel: RAX: 0000000000000001 RBX: ffffe2001ba1dcc0 RCX: 0000000000000015 > May 3 18:48:34 obelix kernel: RDX: 0000000000000000 RSI: 0000000000600020 RDI: ffff8807ec10e950 > May 3 18:48:34 obelix kernel: RBP: ffff8807e619bb58 R08: ffff88082cf52540 R09: ffff88083cc74440 > May 3 18:48:34 obelix kernel: R10: 0000000000000000 R11: 00000000fffffffa R12: ffff88082cf52540 > May 3 18:48:34 obelix kernel: R13: ffff8807ec10ea9c R14: ffffe2001ba1dcc0 R15: ffff8807ec10e9e8 > May 3 18:48:34 obelix kernel: FS: 00007f03010276f0(0000) GS:ffff88083cca3e40(0000) knlGS:0000000000000000 > May 3 18:48:34 obelix kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > May 3 18:48:34 obelix kernel: CR2: 00007fb127e21508 CR3: 000000082cf94000 CR4: 00000000000406e0 > May 3 18:48:34 obelix kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > May 3 18:48:34 obelix kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > May 3 18:48:34 obelix kernel: Process sf_loc (pid: 8328, threadinfo ffff8807e619a000, task ffff88082cf84840) > May 3 18:48:34 obelix kernel: Stack: > May 3 18:48:34 obelix kernel: ffff8807e619bcb8 ffffe2001ba1dcc0 ffffe2001ba1dcc0 0000000000000000 > May 3 18:48:34 obelix kernel: 0000000000000001 0000000000000000 ffff8807e619bb78 ffffffffa010f50a > May 3 18:48:34 obelix kernel: ffffe2001ba1dcc0 ffff8807e619bd68 ffff8807e619bca8 ffffffff8026f964 > May 3 18:48:34 obelix kernel: Call Trace: > May 3 18:48:34 obelix kernel: [<ffffffffa010f50a>] nfs_writepages_callback+0xf/0x20 [nfs] > May 3 18:48:34 obelix kernel: [<ffffffff8026f964>] write_cache_pages+0x246/0x389 > May 3 18:48:34 obelix kernel: [<ffffffffa010f4fb>] ? nfs_writepages_callback+0x0/0x20 [nfs] > May 3 18:48:34 obelix kernel: [<ffffffff80268c20>] ? find_get_pages_tag+0x3e/0xd9 > May 3 18:48:34 obelix kernel: [<ffffffffa010f4d1>] nfs_writepages+0xb0/0xda [nfs] > May 3 18:48:34 obelix kernel: [<ffffffffa01107f1>] ? nfs_flush_one+0x0/0xd9 [nfs] > May 3 18:48:34 obelix kernel: [<ffffffffa01107f1>] ? nfs_flush_one+0x0/0xd9 [nfs] > May 3 18:48:34 obelix kernel: [<ffffffffa01105e5>] __nfs_write_mapping+0x19/0x50 [nfs] > May 3 18:48:34 obelix kernel: [<ffffffffa0110676>] nfs_write_mapping+0x5a/0x7e [nfs] > May 3 18:48:34 obelix kernel: [<ffffffffa01106c3>] nfs_wb_all+0x12/0x14 [nfs] > May 3 18:48:34 obelix kernel: [<ffffffffa0106096>] nfs_sync_mapping+0x34/0x38 [nfs] > May 3 18:48:34 obelix kernel: [<ffffffffa0103a7e>] do_setlk+0x89/0xb0 [nfs] > May 3 18:48:34 obelix kernel: [<ffffffffa0103cc7>] nfs_lock+0x18a/0x19b [nfs] > May 3 18:48:34 obelix kernel: [<ffffffff802c1978>] vfs_lock_file+0x1e/0x35 > May 3 18:48:34 obelix kernel: [<ffffffff802c1b7a>] fcntl_setlk+0x13e/0x278 > May 3 18:48:34 obelix kernel: [<ffffffff802a0649>] sys_fcntl+0x2bc/0x33a > May 3 18:48:34 obelix kernel: [<ffffffff8020b51b>] system_call_fastpath+0x16/0x1b > May 3 18:48:34 obelix kernel: Code: 00 4c 89 e7 e8 ba cb ff ff 4c 89 e7 89 c3 e8 05 cc ff ff 85 db 74 a7 e9 82 00 00 00 41 f6 44 24 40 02 74 0b 41 fe 87 b4 00 00 00 <0f> 0b eb fe 4c 89 f7 e8 2d 03 16 e0 85 c0 75 49 49 8b 46 18 ba > May 3 18:48:34 obelix kernel: RIP [<ffffffffa010effc>] nfs_do_writepage+0xfa/0x196 [nfs] > ... > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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