From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?utf-8?Q?=C4=BDubom=C3=ADr_Varga?= Subject: Re: ext4 unknown problem Date: Tue, 31 Jul 2012 11:18:10 +0100 (GMT+01:00) Message-ID: <28625398.179721343729890802.JavaMail.root@shiva> References: <711984996.179701343729808563.JavaMail.root@shiva> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-ext4@vger.kernel.org, info To: Theodore Ts'o Return-path: Received: from mail.plaintext.sk ([81.0.124.6]:56001 "EHLO shiva.plaintext.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752146Ab2GaKZw convert rfc822-to-8bit (ORCPT ); Tue, 31 Jul 2012 06:25:52 -0400 In-Reply-To: <711984996.179701343729808563.JavaMail.root@shiva> Sender: linux-ext4-owner@vger.kernel.org List-ID: I have used strace on described process (sync and umount): This is "sudo sync" proces: $ sudo strace -p 24933 Process 24933 attached select(6, [3 5], [], NULL, NULL This one is umount: $ sudo strace -p 12103 Process 12103 attached By for now. ----- luvar@plaintext.sk wrote: > Hi, > dmesg is probably useles: >=20 > Probably some logs after mounting...: >=20 > # dmesg | grep EXT > EXT3-fs (md2): mounted filesystem with ordered data mode > EXT3-fs (md2): using internal journal > EXT3-fs (dm-2): using internal journal > EXT3-fs (dm-2): mounted filesystem with ordered data mode > EXT4-fs (dm-8): mounted filesystem with ordered data mode. Opts: > (null) > EXT4-fs (dm-3): mounted filesystem with ordered data mode. Opts: > (null) > EXT4-fs (dm-12): mounted filesystem without journal. Opts: (null) > EXT4-fs (dm-8): re-mounted. Opts: commit=3D0 > EXT4-fs (dm-3): re-mounted. Opts: commit=3D0 > EXT4-fs (dm-12): re-mounted. Opts: commit=3D0 > EXT4-fs (dm-28): mounted filesystem with ordered data mode. Opts: > (null) > EXT3-fs (dm-10): using internal journal > EXT3-fs (dm-10): mounted filesystem with ordered data mode >=20 > On last few lines, there is some info about usb key used on thic pc: >=20 > # dmesg | tail -n 30 > sd 14:0:0:0: [sdg] Asking for cache data failed > sd 14:0:0:0: [sdg] Assuming drive cache: write through > sdg: sdg1 > sd 14:0:0:0: [sdg] Asking for cache data failed > sd 14:0:0:0: [sdg] Assuming drive cache: write through > sd 14:0:0:0: [sdg] Attached SCSI disk > mdadm: sending ioctl 1261 to a partition! > mdadm: sending ioctl 1261 to a partition! > usb 2-4.4: USB disconnect, device number 10 > hda-intel: IRQ timing workaround is activated for card #0. Suggest a > bigger bdl_pos_adj. > usb 1-1: new high-speed USB device number 2 using ehci_hcd > usb 1-1: New USB device found, idVendor=3D0951, idProduct=3D1687 > usb 1-1: New USB device strings: Mfr=3D1, Product=3D2, SerialNumber=3D= 3 > usb 1-1: Product: DT R400 > usb 1-1: Manufacturer: Kingston > usb 1-1: SerialNumber: 0018F30C7FX10B000XX029 > scsi15 : usb-storage 1-1:1.0 > scsi 15:0:0:0: Direct-Access Kingston DT R400 PMAP PQ: 0 > ANSI: 0 CCS > sd 15:0:0:0: Attached scsi generic sg6 type 0 > sd 15:0:0:0: [sdg] 7774208 512-byte logical blocks: (3.98 GB/3.70 > GiB) > sd 15:0:0:0: [sdg] Write Protect is off > sd 15:0:0:0: [sdg] Mode Sense: 23 00 00 00 > sd 15:0:0:0: [sdg] No Caching mode page present > sd 15:0:0:0: [sdg] Assuming drive cache: write through > sd 15:0:0:0: [sdg] No Caching mode page present > sd 15:0:0:0: [sdg] Assuming drive cache: write through > sdg: sdg1 sdg2 > sd 15:0:0:0: [sdg] No Caching mode page present > sd 15:0:0:0: [sdg] Assuming drive cache: write through > sd 15:0:0:0: [sdg] Attached SCSI removable disk >=20 > Other lines from dmesg seems not relevant. Should I post them too? >=20 > PS: Writing to disk from jbd2/dm-3-8 still active (iotop shows it > still on top of I/O activity). >=20 > LuVar >=20 > ----- "Theodore Ts'o" wrote: >=20 > > On Mon, Jul 30, 2012 at 08:26:20PM +0100, LuVar wrote: > > > Hi, > > > I have seriouse issue here. I have copyied about 7GB files to one > of > > my ext4 partitions and from that point of time there is sustained > > write to that partition from jbd2/dm-3-8 process. I have lunched > "sudo > > sync" command (about day ago :) and a few hours a after sync start, > I > > have tryied to use umount on that partition... Booth of them are > still > > running... > > >=20 > > > I have no serious data there, but if I could be helpfull in > > bugreport, give me some info what to do. > >=20 > > Try running the dmesg command, and see if there's anything > > interesting > > there. If you're not sure if it's interesting, send it to us and > we > > can take a quick look at it. > >=20 > > Regards, > >=20 > > - Ted --=20 Ing. =C4=BDubom=C3=ADr Varga +421 (0)908 541 700 varga@plaintext.sk www.plaintext.sk -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html