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From: "Andreas Bießmann" <andreas.devel@googlemail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] UBIFS fails on SheevaPlug
Date: Tue, 30 Oct 2012 00:55:49 +0100	[thread overview]
Message-ID: <508F1785.4020109@googlemail.com> (raw)
In-Reply-To: <CAF9kqNFu=ZTZkYX0Heo3u_DvwRLoVxrrXLd60U689RyfwG2_kQ@mail.gmail.com>

Dear Dimax,

On 29.10.2012 20:05, Dimax wrote:
>> U-boot will _not_ recover your UBIFS partition like the Linux kernel.
> CMIIW.
> In other words it is not possible to use UBIFS on embedded Linux boards
> with u-boot unless you can provide unterminated power supply.

NAK

I invested some time to reproduce this, however see following scenario:

---8<---
DockStar> ubi part root; ubifsmount root
Creating 1 MTD partitions on "nand0":
0x000000100000-0x000010000000 : "mtd=1"
UBI: attaching mtd1 to ubi0
UBI: physical eraseblock size:   131072 bytes (128 KiB)
UBI: logical eraseblock size:    129024 bytes
UBI: smallest flash I/O unit:    2048
UBI: sub-page size:              512
UBI: VID header offset:          512 (aligned 512)
UBI: data offset:                2048
UBI: attached mtd1 to ubi0
UBI: MTD device name:            "mtd=1"
UBI: MTD device size:            255 MiB
UBI: number of good PEBs:        2040
UBI: number of bad PEBs:         0
UBI: max. allowed volumes:       128
UBI: wear-leveling threshold:    4096
UBI: number of internal volumes: 1
UBI: number of user volumes:     1
UBI: available PEBs:             20
UBI: total number of reserved PEBs: 2020
UBI: number of PEBs reserved for bad PEB handling: 20
UBI: max/mean erase counter: 4/2
UBIFS: recovery needed
UBIFS error (pid 0): ubifs_mount: Error reading superblock on volume 
'ubi:root' errno=-12!

ubifsmount - mount UBIFS volume

Usage:
ubifsmount <volume-name>
     - mount 'volume-name' volume
DockStar> ver

U-Boot 2012.10 (Oct 30 2012 - 00:46:13)
Seagate FreeAgent DockStar
arm-v5te-linux-gnueabi-gcc (OSELAS.Toolchain-2011.11.0) 4.6.2
GNU ld (GNU Binutils) 2.21.1
DockStar>
--->8---

---8<---
DockStar> ubi part root; ubifsmount root
Creating 1 MTD partitions on "nand0":
0x000000100000-0x000010000000 : "mtd=1"
UBI: attaching mtd1 to ubi0
UBI: physical eraseblock size:   131072 bytes (128 KiB)
UBI: logical eraseblock size:    129024 bytes
UBI: smallest flash I/O unit:    2048
UBI: sub-page size:              512
UBI: VID header offset:          512 (aligned 512)
UBI: data offset:                2048
UBI: attached mtd1 to ubi0
UBI: MTD device name:            "mtd=1"
UBI: MTD device size:            255 MiB
UBI: number of good PEBs:        2040
UBI: number of bad PEBs:         0
UBI: max. allowed volumes:       128
UBI: wear-leveling threshold:    4096
UBI: number of internal volumes: 1
UBI: number of user volumes:     1
UBI: available PEBs:             20
UBI: total number of reserved PEBs: 2020
UBI: number of PEBs reserved for bad PEB handling: 20
UBI: max/mean erase counter: 4/2
UBIFS: recovery needed
UBIFS: recovery deferred
UBIFS: mounted UBI device 0, volume 0, name "root"
UBIFS: mounted read-only
UBIFS: file system size:   255854592 bytes (249858 KiB, 244 MiB, 1983 LEBs)
UBIFS: journal size:       12773376 bytes (12474 KiB, 12 MiB, 99 LEBs)
UBIFS: media format:       w4/r0 (latest is w4/r0)
UBIFS: default compressor: LZO
UBIFS: reserved for root:  5182151 bytes (5060 KiB)
DockStar> ver

U-Boot 2012.10-00001-g65cc68e (Oct 30 2012 - 00:50:51)
Seagate FreeAgent DockStar
arm-v5te-linux-gnueabi-gcc (OSELAS.Toolchain-2011.11.0) 4.6.2
GNU ld (GNU Binutils) 2.21.1
DockStar>
--->8---

---8<---
andreas at andreas-pc % git describe
v2012.10-1-g65cc68e
andreas at andreas-pc % git show
| commit 65cc68eb06df0c957a17a611bc3f3756e91108b2 (HEAD, test-malloc)
| Author: Andreas Bie?mann <andreas.devel@googlemail.com>
| Date:   Mon Oct 29 21:36:53 2012 +0100
|
|     mv-common.h: increase malloc arena to 4MiB
|
|     Signed-off-by: Andreas Bie?mann <andreas.devel@googlemail.com>
|
| diff --git a/include/configs/mv-common.h b/include/configs/mv-common.h
| index 7086d1d..405a842 100644
| --- a/include/configs/mv-common.h
| +++ b/include/configs/mv-common.h
| @@ -92,7 +92,7 @@
|  /*
|   * Size of malloc() pool
|   */
| -#define CONFIG_SYS_MALLOC_LEN  (1024 * 1024) /* 1MiB for malloc() */
| +#define CONFIG_SYS_MALLOC_LEN  (1024 * 1024 * 4) /* 4MiB for malloc() */
|
| /*
|  * Other required minimal configurations
--->8---

Best regards

Andreas Bie?mann

  reply	other threads:[~2012-10-29 23:55 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-28 14:48 [U-Boot] UBIFS fails on SheevaPlug Dimax
2012-10-28 22:54 ` Marek Vasut
2012-10-29  5:25   ` Dimax
2012-10-29  6:38     ` Dimax
2012-10-29  6:48       ` Andreas Bießmann
2012-10-29  6:55         ` Dimax
2012-10-29  8:38           ` Andreas Bießmann
2012-10-29  8:50             ` Dimax
2012-10-29  9:11               ` Andreas Bießmann
2012-10-29  9:27                 ` Dimax
2012-10-29  9:43                   ` Andreas Bießmann
2012-10-29 10:19                     ` Marek Vasut
2012-10-29 10:34                       ` Andreas Bießmann
2012-10-29 16:02                   ` Vikram Narayanan
2012-10-29 12:15                 ` Prafulla Wadaskar
2012-10-29 17:25                   ` Dimax
2012-10-29 18:53                     ` Vikram Narayanan
2012-10-29 19:05                       ` Dimax
2012-10-29 23:55                         ` Andreas Bießmann [this message]
2012-10-29 23:02                       ` Andreas Bießmann
2012-10-31 16:27                         ` Vikram Narayanan
2012-10-31 16:50                           ` Andreas Bießmann
2012-10-31 16:55                             ` Vikram Narayanan
2012-10-31 17:23                               ` Dimax
2012-10-31 17:56                                 ` Andreas Bießmann
2012-10-31 20:45                                   ` [U-Boot] How to enable debug information in u-boot Paulo Louro
2012-11-06  7:51                                   ` [U-Boot] UBIFS fails on SheevaPlug Dimax
2012-11-06  9:12                                     ` Andreas Bießmann
2012-11-12  5:33                                       ` Dimax
2012-11-12  8:33                                         ` Andreas Bießmann
2012-11-12 16:55                                           ` Dimax
2012-11-12 17:15                                             ` Vikram Narayanan
2012-10-29  6:01 ` Prafulla Wadaskar

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