* ./fs/partitions/check.c: off-by-one error ?
@ 2008-04-20 10:35 Toralf Förster
2008-04-22 10:38 ` Jan Kara
0 siblings, 1 reply; 6+ messages in thread
From: Toralf Förster @ 2008-04-20 10:35 UTC (permalink / raw)
To: linux-kernel
[-- Attachment #1: Type: text/plain, Size: 3838 bytes --]
Inserting an 2 GB SD Card into my digikam and mounting it as an USB drive I've
in my system log :
Apr 20 12:27:54 n22 usb 2-2: new full speed USB device using uhci_hcd and address 4
Apr 20 12:27:54 n22 usb 2-2: configuration #1 chosen from 1 choice
Apr 20 12:27:54 n22 SCSI subsystem initialized
Apr 20 12:27:54 n22 Initializing USB Mass Storage driver...
Apr 20 12:27:54 n22 scsi0 : SCSI emulation for USB Mass Storage devices
Apr 20 12:27:54 n22 usbcore: registered new interface driver usb-storage
Apr 20 12:27:54 n22 USB Mass Storage support registered.
Apr 20 12:27:54 n22 usb-storage: device found at 4
Apr 20 12:27:54 n22 usb-storage: waiting for device to settle before scanning
Apr 20 12:27:59 n22 scsi 0:0:0:0: Direct-Access MATSHITA DMC-TZ3 0100 PQ: 0 ANSI: 2
Apr 20 12:27:59 n22 usb-storage: device scan complete
Apr 20 12:27:59 n22 Driver 'sd' needs updating - please use bus_type methods
Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] 3902463 512-byte hardware sectors (1998 MB)
Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Write Protect is off
Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Mode Sense: 04 00 00 00
Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Assuming drive cache: write through
Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] 3902463 512-byte hardware sectors (1998 MB)
Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Write Protect is off
Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Mode Sense: 04 00 00 00
Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Assuming drive cache: write through
Apr 20 12:27:59 n22 sda: sda1
Apr 20 12:27:59 n22 sda: p1 exceeds device capacity
Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Attached SCSI removable disk
Apr 20 12:27:59 n22 attempt to access beyond end of device
Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
Apr 20 12:27:59 n22 attempt to access beyond end of device
Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
Apr 20 12:27:59 n22 attempt to access beyond end of device
Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
Apr 20 12:27:59 n22 attempt to access beyond end of device
Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
Apr 20 12:27:59 n22 attempt to access beyond end of device
Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
Apr 20 12:27:59 n22 attempt to access beyond end of device
Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
Apr 20 12:27:59 n22 attempt to access beyond end of device
Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
Apr 20 12:27:59 n22 attempt to access beyond end of device
Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
Apr 20 12:27:59 n22 attempt to access beyond end of device
Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
My system is a :
tfoerste@n22 ~/devel/linux-2.6/fs/partitions $ uname -a
Linux n22 2.6.24-gentoo-r4 #4 Sun Apr 20 12:16:18 CEST 2008 i686 Intel(R)
Pentium(R) M processor 1700MHz GenuineIntel GNU/Linux
I already re-formatted the card under Linux as well as under Windows XP and got
always the same behaviour.
--
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
[-- Attachment #2: This is a digitally signed message part. --]
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: ./fs/partitions/check.c: off-by-one error ?
2008-04-20 10:35 ./fs/partitions/check.c: off-by-one error ? Toralf Förster
@ 2008-04-22 10:38 ` Jan Kara
2008-04-22 15:32 ` Randy Dunlap
2008-04-23 16:42 ` Toralf Förster
0 siblings, 2 replies; 6+ messages in thread
From: Jan Kara @ 2008-04-22 10:38 UTC (permalink / raw)
To: Toralf Förster; +Cc: linux-kernel
> Inserting an 2 GB SD Card into my digikam and mounting it as an USB drive I've
> in my system log :
>
> Apr 20 12:27:54 n22 usb 2-2: new full speed USB device using uhci_hcd and address 4
> Apr 20 12:27:54 n22 usb 2-2: configuration #1 chosen from 1 choice
> Apr 20 12:27:54 n22 SCSI subsystem initialized
> Apr 20 12:27:54 n22 Initializing USB Mass Storage driver...
> Apr 20 12:27:54 n22 scsi0 : SCSI emulation for USB Mass Storage devices
> Apr 20 12:27:54 n22 usbcore: registered new interface driver usb-storage
> Apr 20 12:27:54 n22 USB Mass Storage support registered.
> Apr 20 12:27:54 n22 usb-storage: device found at 4
> Apr 20 12:27:54 n22 usb-storage: waiting for device to settle before scanning
> Apr 20 12:27:59 n22 scsi 0:0:0:0: Direct-Access MATSHITA DMC-TZ3 0100 PQ: 0 ANSI: 2
> Apr 20 12:27:59 n22 usb-storage: device scan complete
> Apr 20 12:27:59 n22 Driver 'sd' needs updating - please use bus_type methods
> Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] 3902463 512-byte hardware sectors (1998 MB)
> Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Write Protect is off
> Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Mode Sense: 04 00 00 00
> Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Assuming drive cache: write through
> Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] 3902463 512-byte hardware sectors (1998 MB)
> Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Write Protect is off
> Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Mode Sense: 04 00 00 00
> Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Assuming drive cache: write through
> Apr 20 12:27:59 n22 sda: sda1
> Apr 20 12:27:59 n22 sda: p1 exceeds device capacity
> Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Attached SCSI removable disk
> Apr 20 12:27:59 n22 attempt to access beyond end of device
> Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> Apr 20 12:27:59 n22 attempt to access beyond end of device
> Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> Apr 20 12:27:59 n22 attempt to access beyond end of device
> Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> Apr 20 12:27:59 n22 attempt to access beyond end of device
> Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> Apr 20 12:27:59 n22 attempt to access beyond end of device
> Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> Apr 20 12:27:59 n22 attempt to access beyond end of device
> Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> Apr 20 12:27:59 n22 attempt to access beyond end of device
> Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> Apr 20 12:27:59 n22 attempt to access beyond end of device
> Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> Apr 20 12:27:59 n22 attempt to access beyond end of device
> Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
>
> My system is a :
>
> tfoerste@n22 ~/devel/linux-2.6/fs/partitions $ uname -a
> Linux n22 2.6.24-gentoo-r4 #4 Sun Apr 20 12:16:18 CEST 2008 i686 Intel(R)
> Pentium(R) M processor 1700MHz GenuineIntel GNU/Linux
>
> I already re-formatted the card under Linux as well as under Windows XP and got
> always the same behaviour.
This looks more like a strange interaction of your device size (it
claims to have 3902463 sectors) and your partitioning programs which
create partition ending at sector 3902464. Can you send the partition
table you have on the device? E.g:
fdisk /dev/sda
x
p
will print detailed information about the partition table.
Honza
--
Jan Kara <jack@suse.cz>
SuSE CR Labs
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: ./fs/partitions/check.c: off-by-one error ?
2008-04-22 10:38 ` Jan Kara
@ 2008-04-22 15:32 ` Randy Dunlap
2008-04-22 15:48 ` Alan Stern
2008-04-23 16:42 ` Toralf Förster
1 sibling, 1 reply; 6+ messages in thread
From: Randy Dunlap @ 2008-04-22 15:32 UTC (permalink / raw)
To: Jan Kara, linux-usb; +Cc: Toralf Förster, linux-kernel
On Tue, 22 Apr 2008 12:38:29 +0200 Jan Kara wrote:
> > Inserting an 2 GB SD Card into my digikam and mounting it as an USB drive I've
> > in my system log :
> >
> > Apr 20 12:27:54 n22 usb 2-2: new full speed USB device using uhci_hcd and address 4
> > Apr 20 12:27:54 n22 usb 2-2: configuration #1 chosen from 1 choice
> > Apr 20 12:27:54 n22 SCSI subsystem initialized
> > Apr 20 12:27:54 n22 Initializing USB Mass Storage driver...
> > Apr 20 12:27:54 n22 scsi0 : SCSI emulation for USB Mass Storage devices
> > Apr 20 12:27:54 n22 usbcore: registered new interface driver usb-storage
> > Apr 20 12:27:54 n22 USB Mass Storage support registered.
> > Apr 20 12:27:54 n22 usb-storage: device found at 4
> > Apr 20 12:27:54 n22 usb-storage: waiting for device to settle before scanning
> > Apr 20 12:27:59 n22 scsi 0:0:0:0: Direct-Access MATSHITA DMC-TZ3 0100 PQ: 0 ANSI: 2
> > Apr 20 12:27:59 n22 usb-storage: device scan complete
> > Apr 20 12:27:59 n22 Driver 'sd' needs updating - please use bus_type methods
> > Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] 3902463 512-byte hardware sectors (1998 MB)
> > Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Write Protect is off
> > Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Mode Sense: 04 00 00 00
> > Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Assuming drive cache: write through
> > Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] 3902463 512-byte hardware sectors (1998 MB)
> > Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Write Protect is off
> > Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Mode Sense: 04 00 00 00
> > Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Assuming drive cache: write through
> > Apr 20 12:27:59 n22 sda: sda1
> > Apr 20 12:27:59 n22 sda: p1 exceeds device capacity
> > Apr 20 12:27:59 n22 sd 0:0:0:0: [sda] Attached SCSI removable disk
> > Apr 20 12:27:59 n22 attempt to access beyond end of device
> > Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> > Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> > Apr 20 12:27:59 n22 attempt to access beyond end of device
> > Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> > Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> > Apr 20 12:27:59 n22 attempt to access beyond end of device
> > Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> > Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> > Apr 20 12:27:59 n22 attempt to access beyond end of device
> > Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> > Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> > Apr 20 12:27:59 n22 attempt to access beyond end of device
> > Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> > Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> > Apr 20 12:27:59 n22 attempt to access beyond end of device
> > Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> > Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> > Apr 20 12:27:59 n22 attempt to access beyond end of device
> > Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> > Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> > Apr 20 12:27:59 n22 attempt to access beyond end of device
> > Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> > Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> > Apr 20 12:27:59 n22 attempt to access beyond end of device
> > Apr 20 12:27:59 n22 sda: rw=0, want=3902464, limit=3902463
> > Apr 20 12:27:59 n22 Buffer I/O error on device sda1, logical block 3902334
> >
> > My system is a :
> >
> > tfoerste@n22 ~/devel/linux-2.6/fs/partitions $ uname -a
> > Linux n22 2.6.24-gentoo-r4 #4 Sun Apr 20 12:16:18 CEST 2008 i686 Intel(R)
> > Pentium(R) M processor 1700MHz GenuineIntel GNU/Linux
> >
> > I already re-formatted the card under Linux as well as under Windows XP and got
> > always the same behaviour.
> This looks more like a strange interaction of your device size (it
> claims to have 3902463 sectors) and your partitioning programs which
> create partition ending at sector 3902464. Can you send the partition
> table you have on the device? E.g:
> fdisk /dev/sda
> x
> p
>
> will print detailed information about the partition table.
Is this something that using US_FL_FIX_CAPACITY will fix?
US_FL_FIX_CAPACITY -> sets ->fix_capacity, then:
/* Some devices return the total number of sectors, not the
* highest sector number. Make the necessary adjustment. */
if (sdp->fix_capacity) {
--sdkp->capacity;
---
~Randy
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: ./fs/partitions/check.c: off-by-one error ?
2008-04-22 15:32 ` Randy Dunlap
@ 2008-04-22 15:48 ` Alan Stern
0 siblings, 0 replies; 6+ messages in thread
From: Alan Stern @ 2008-04-22 15:48 UTC (permalink / raw)
To: Randy Dunlap; +Cc: Jan Kara, linux-usb, Toralf Förster, linux-kernel
On Tue, 22 Apr 2008, Randy Dunlap wrote:
> On Tue, 22 Apr 2008 12:38:29 +0200 Jan Kara wrote:
>
> > > I already re-formatted the card under Linux as well as under Windows XP and got
> > > always the same behaviour.
> > This looks more like a strange interaction of your device size (it
> > claims to have 3902463 sectors) and your partitioning programs which
> > create partition ending at sector 3902464. Can you send the partition
> > table you have on the device? E.g:
> > fdisk /dev/sda
> > x
> > p
> >
> > will print detailed information about the partition table.
>
> Is this something that using US_FL_FIX_CAPACITY will fix?
>
> US_FL_FIX_CAPACITY -> sets ->fix_capacity, then:
>
> /* Some devices return the total number of sectors, not the
> * highest sector number. Make the necessary adjustment. */
> if (sdp->fix_capacity) {
> --sdkp->capacity;
FIX_CAPACITY will make it worse. The device would appear to have only
3902462 sectors and the partition table will still refer sector
3902464.
The card should be repartitioned as well as reformatted, both under
Linux.
Alan Stern
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: ./fs/partitions/check.c: off-by-one error ?
2008-04-22 10:38 ` Jan Kara
2008-04-22 15:32 ` Randy Dunlap
@ 2008-04-23 16:42 ` Toralf Förster
2008-04-28 12:56 ` Jan Kara
1 sibling, 1 reply; 6+ messages in thread
From: Toralf Förster @ 2008-04-23 16:42 UTC (permalink / raw)
To: Jan Kara; +Cc: linux-kernel
[-- Attachment #1: Type: text/plain, Size: 1725 bytes --]
At Tuesday 22 April 2008 12:38:29 Jan Kara wrote :
> This looks more like a strange interaction of your device size (it
> claims to have 3902463 sectors) and your partitioning programs which
> create partition ending at sector 3902464. Can you send the partition
> table you have on the device? E.g:
> fdisk /dev/sda
> x
> p
>
> will print detailed information about the partition table.
>
n22 ~ # fdisk /dev/sda
The number of cylinders for this disk is set to 1267.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)
Command (m for help): x
Expert command (m for help): p
Disk /dev/sda: 56 heads, 55 sectors, 1267 cylinders
Nr AF Hd Sec Cyl Hd Sec Cyl Start Size ID
1 00 2 4 0 55 55 967 129 3902335 06
2 00 0 0 0 0 0 0 0 0 00
3 00 0 0 0 0 0 0 0 0 00
4 00 0 0 0 0 0 0 0 0 00
Expert command (m for help): q
n22 ~ # fdisk -l /dev/sda
Disk /dev/sda: 1998 MB, 1998061056 bytes
56 heads, 55 sectors/track, 1267 cylinders
Units = cylinders of 3080 * 512 = 1576960 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sda1 1 1268 1951167+ 6 FAT16
I deleted +created the partition both manually and by the digikam
but w/o success...
--
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
[-- Attachment #2: This is a digitally signed message part. --]
[-- Type: application/pgp-signature, Size: 197 bytes --]
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: ./fs/partitions/check.c: off-by-one error ?
2008-04-23 16:42 ` Toralf Förster
@ 2008-04-28 12:56 ` Jan Kara
0 siblings, 0 replies; 6+ messages in thread
From: Jan Kara @ 2008-04-28 12:56 UTC (permalink / raw)
To: Toralf Förster; +Cc: linux-kernel
On Wed 23-04-08 18:42:57, Toralf Förster wrote:
> At Tuesday 22 April 2008 12:38:29 Jan Kara wrote :
> > This looks more like a strange interaction of your device size (it
> > claims to have 3902463 sectors) and your partitioning programs which
> > create partition ending at sector 3902464. Can you send the partition
> > table you have on the device? E.g:
> > fdisk /dev/sda
> > x
> > p
> >
> > will print detailed information about the partition table.
> >
>
> n22 ~ # fdisk /dev/sda
>
> The number of cylinders for this disk is set to 1267.
> There is nothing wrong with that, but this is larger than 1024,
> and could in certain setups cause problems with:
> 1) software that runs at boot time (e.g., old versions of LILO)
> 2) booting and partitioning software from other OSs
> (e.g., DOS FDISK, OS/2 FDISK)
>
> Command (m for help): x
>
> Expert command (m for help): p
>
> Disk /dev/sda: 56 heads, 55 sectors, 1267 cylinders
>
> Nr AF Hd Sec Cyl Hd Sec Cyl Start Size ID
> 1 00 2 4 0 55 55 967 129 3902335 06
> 2 00 0 0 0 0 0 0 0 0 00
> 3 00 0 0 0 0 0 0 0 0 00
> 4 00 0 0 0 0 0 0 0 0 00
>
> Expert command (m for help): q
>
> n22 ~ # fdisk -l /dev/sda
>
> Disk /dev/sda: 1998 MB, 1998061056 bytes
> 56 heads, 55 sectors/track, 1267 cylinders
> Units = cylinders of 3080 * 512 = 1576960 bytes
> Disk identifier: 0x00000000
>
> Device Boot Start End Blocks Id System
> /dev/sda1 1 1268 1951167+ 6 FAT16
>
> I deleted +created the partition both manually and by the digikam
> but w/o success...
Hmm, ok. This doesn't look like a kernel bug. At least if you created the
partition table in linux by fdisk (or some other partitioning program), it
should have created the partition one sector shorter. So please report this
as a bug of the partitioning program. Thanks.
Honza
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2008-04-28 12:57 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2008-04-20 10:35 ./fs/partitions/check.c: off-by-one error ? Toralf Förster
2008-04-22 10:38 ` Jan Kara
2008-04-22 15:32 ` Randy Dunlap
2008-04-22 15:48 ` Alan Stern
2008-04-23 16:42 ` Toralf Förster
2008-04-28 12:56 ` Jan Kara
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