From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH] sunrpc: use better NUMA affinities Date: Sun, 31 Jul 2011 08:58:54 +0200 Message-ID: <1312095534.2873.108.camel@edumazet-laptop> References: <1311921035.7845.10.camel@edumazet-laptop> <4E3258E1.6020000@fastmail.fm> <20110729103634.GA12050@infradead.org> <5933F48C-49D6-492D-AB7B-B76A3ADDB6C6@fastmail.fm> <1311941491.2843.7.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <20110729164836.GL23194@fieldses.org> <20110729165345.GM23194@fieldses.org> <20110730093025.716f3f50@notabene.brown> <20110729234857.GA30941@fieldses.org> <1311998914.2873.27.camel@edumazet-laptop> <20110730160610.0b751ffd@notabene.brown> <1312006990.2873.75.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "J. Bruce Fields" , Greg Banks , Christoph Hellwig , "linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , David Miller , linux-kernel , netdev To: NeilBrown Return-path: In-Reply-To: <1312006990.2873.75.camel@edumazet-laptop> Sender: linux-nfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org Le samedi 30 juillet 2011 =C3=A0 08:23 +0200, Eric Dumazet a =C3=A9crit= : > Le samedi 30 juillet 2011 =C3=A0 16:06 +1000, NeilBrown a =C3=A9crit = : > > umount /proc/fs/nfsd > >=20 > >=20 >=20 > Thans a lot, this was the thing I missed ! >=20 >=20 Hmm, after this, I left things as the were (nfsd module loaded, but a 0 use count ) I got a BUG while updatedb was running, (I tried this on a debian machine/kernel) Same bug on : cat /proc/self/mounts=20 I'll take a look at this issue later, after my vacations, unless someon= e wants to take a look before me ;) [1020029.301174] BUG: unable to handle kernel paging request at fffffff= fa03da0d0 [1020029.301318] IP: [] show_type+0x17/0x5a [1020029.301436] PGD 1605067 PUD 1609063 PMD 127353067 PTE 0 [1020029.301574] Oops: 0000 [#1] SMP=20 [1020029.301637] last sysfs file: /sys/module/nfsd/initstate [1020029.301722] CPU 6=20 [1020029.301765] Modules linked in: nfsd fuse btrfs zlib_deflate crc32c= libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs reise= rfs ext4 jbd2 crc16 ext2 dm_mod nls_utf8 isofs lockd fscache auth_rpcgs= s nfs_acl sunrpc loop i5000_edac radeon edac_core ttm drm_kms_helper sn= d_pcm drm snd_timer snd i2c_algo_bit soundcore i2c_core snd_page_alloc = i5k_amb power_supply ipmi_si evdev psmouse rng_core ipmi_msghandler hpi= lo hpwdt shpchp processor button pcspkr serio_raw pci_hotplug container= ext3 jbd mbcache hpsa usbhid hid uhci_hcd cciss scsi_mod ehci_hcd usbc= ore bnx2 thermal thermal_sys [last unloaded: nfsd] [1020029.303561]=20 [1020029.303588] Pid: 23460, comm: updatedb.mlocat Tainted: G R = 2.6.39-2-amd64 #1 HP ProLiant BL460c G1 [1020029.303751] RIP: 0010:[] [] s= how_type+0x17/0x5a [1020029.303866] RSP: 0018:ffff880011da7e48 EFLAGS: 00010296 [1020029.303953] RAX: ffffffffa03da0d0 RBX: ffff8801288a4a80 RCX: 00000= 00000007774 [1020029.304061] RDX: ffffffff814c9935 RSI: ffff880129ea3800 RDI: ffff8= 801288a4a80 [1020029.304169] RBP: ffff880129ea3800 R08: ffff880011da7e68 R09: fffff= fffffffffff [1020029.304263] R10: ffff880011d883b2 R11: 0000000000000007 R12: ffff8= 8012794a2c0 [1020029.304263] R13: ffff8801288a4a80 R14: ffff88012794a338 R15: 00000= 00000000000 [1020029.304263] FS: 00007f9cf0dec700(0000) GS:ffff88012fd80000(0000) = knlGS:0000000000000000 [1020029.304263] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [1020029.304263] CR2: ffffffffa03da0d0 CR3: 0000000058f90000 CR4: 00000= 000000006e0 [1020029.304263] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 00000= 00000000000 [1020029.304263] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000= 00000000400 [1020029.304263] Process updatedb.mlocat (pid: 23460, threadinfo ffff88= 0011da6000, task ffff88002741a440) [1020029.304263] Stack: [1020029.304263] ffff8801288a4a80 ffff8801288a4a80 ffff88012794a338 ff= ffffff81110abf [1020029.304263] ffff88012794a2c0 ffff88010d992440 0000000000000400 00= 007f9cf0df3000 [1020029.304263] ffff880127960cc0 ffff8801288a4a80 ffff88012794a338 ff= ffffff8111427a [1020029.304263] Call Trace: [1020029.304263] [] ? show_vfsmnt+0x9b/0x134 [1020029.304263] [] ? seq_read+0x276/0x350 [1020029.304263] [] ? vfs_read+0xa1/0xfb [1020029.304263] [] ? sys_mmap_pgoff+0x127/0x15a [1020029.304263] [] ? sys_read+0x45/0x6e [1020029.304263] [] ? system_call_fastpath+0x16/0x1b [1020029.304263] Code: 01 00 65 48 03 14 25 20 dc 00 00 66 ff 02 c3 f0 = ff 47 38 c3 55 48 89 f5 48 c7 c2 35 99 4c 81 53 48 89 fb 48 83 ec 08 48= 8b 46 28=20 [1020029.304263] 8b 30 e8 c7 36 00 00 48 8b 85 b8 02 00 00 48 85 c0 74= 2b 80=20 [1020029.304263] RIP [] show_type+0x17/0x5a [1020029.304263] RSP [1020029.304263] CR2: ffffffffa03da0d0 [1020029.311417] ---[ end trace ebf19aff1e083659 ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html