Bug 5055

Summary:	HFS+-fs: walked past end of dir
Product:	File System	Reporter:	Ortwin Glück (odi)
Component:	HFS/HFSPLUS	Assignee:	Roman Zippel (zippel)
Status:	REJECTED INVALID
Severity:	normal
Priority:	P2
Hardware:	i386
OS:	Linux
Kernel Version:	2.6.12.2	Subsystem:
Regression:	---	Bisected commit-id:

Description Ortwin Glück 2005-08-13 05:12:05 UTC

I see "HFS+-fs: walked past end of dir" in syslog intermittedly while
transfering files to the iPOD on FireWire with gtkpod. But the file system seems
not be/get damaged as it works fine. Here is the log:

-- connecting the iPOD 
Aug 13 13:54:19 gimli kernel: ieee1394: Node resumed: ID:BUS[0-00:1023] 
GUID[000a2700027111d4]
Aug 13 13:54:19 gimli kernel: ieee1394: Node changed: 0-00:1023 -> 0-01:1023
Aug 13 13:54:19 gimli kernel: scsi5 : SCSI emulation for IEEE-1394 SBP-2 Devices
Aug 13 13:54:20 gimli kernel: ieee1394: sbp2: Logged into SBP-2 device
Aug 13 13:54:20 gimli kernel: ieee1394: Node 0-00:1023: Max speed [S400] - Max
payload [2048]
Aug 13 13:54:21 gimli kernel:   Vendor: Apple     Model: iPod              Rev: 1.53
Aug 13 13:54:21 gimli kernel:   Type:   Direct-Access                      ANSI
SCSI revision: 02
Aug 13 13:54:23 gimli kernel: sda: Spinning up disk....ready
Aug 13 13:54:23 gimli kernel: SCSI device sda: 29297520 512-byte hdwr sectors
(15000 MB)
Aug 13 13:54:23 gimli kernel: sda: test WP failed, assume Write Enabled
Aug 13 13:54:23 gimli kernel: SCSI device sda: 29297520 512-byte hdwr sectors
(15000 MB)
Aug 13 13:54:23 gimli kernel: sda: test WP failed, assume Write Enabled
Aug 13 13:54:23 gimli kernel:  sda: [mac] sda1 sda2 sda3
Aug 13 13:54:23 gimli kernel: Attached scsi removable disk sda at scsi5, channel
0, id 0, lun 0
Aug 13 13:54:23 gimli kernel: Attached scsi generic sg0 at scsi5, channel 0, id
0, lun 0,  type 0
Aug 13 13:54:23 gimli scsi.agent[23884]: disk at
/devices/pci0000:00/0000:00:0b.0/fw-host0/000a2700027111d4/000a2700027111d4-0/host5/target5:0:0/5:0:0:0

-- working with gtkpod
Aug 13 13:54:32 gimli kernel: HFS+-fs: walked past end of dir
Aug 13 13:54:56 gimli last message repeated 3 times
Aug 13 13:55:08 gimli kernel: HFS+-fs: walked past end of dir
Aug 13 13:55:08 gimli kernel: HFS+-fs: walked past end of dir

-- logging out with echo 1 > ignore_driver in sysfs
Aug 13 13:55:17 gimli kernel: ieee1394: sbp2: Logged out of SBP-2 device

-- disconnecting the iPOD
Aug 13 13:55:21 gimli kernel: ieee1394: Node changed: 0-01:1023 -> 0-00:1023
Aug 13 13:55:21 gimli kernel: ieee1394: Node suspended: ID:BUS[0-00:1023] 
GUID[000a2700027111d4]

Comment 1 Roman Zippel 2005-08-13 08:51:17 UTC

Please first make sure that the filesystem is correct.
This kernel print suggests an inconsistent filesystem.

Comment 2 Ortwin Glück 2005-08-13 09:14:27 UTC

Okay, thanks. Looks like I will have to port Apple's latest diskdev_cmds to
Linux. We'll see.

Comment 3 Ortwin Glück 2006-03-05 02:38:26 UTC

It appears that the filesystem is journaled, which the hfsplus driver doesn't
support. But kernels before 2.6.15 did not check for the journaled flag thus
effectively writing to an inconsistent filesystem.

http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.15.y.git;a=commitdiff;h=b0b623c3b22d57d6941b200321779d56c4e79e6b