From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] UBI: volume auto-resize
Date: Sun, 13 May 2012 20:51:59 +0200 [thread overview]
Message-ID: <201205132051.59580.marex@denx.de> (raw)
In-Reply-To: <697DB33B-2981-42F9-A052-444EF51A2DB2@borea.si>
Dear Matevz Langus,
> Hi,
>
> Thanks, initial problem about the subpage size was solved fast.
How, so you can only use 2048b big subpage?
> The
> question still remains, is it wise to let u-boot resize volumes if it only
> boots from one of the volumes.
Sure, why not?
btw please avoid top-posting when replying to emails.
>
> Matevz Langus
>
> On 13. maj 2012, at 19:09, Marek Vasut <marek.vasut@gmail.com> wrote:
> > Dear Matevz Langus,
> >
> >> Hi,
> >>
> >> I found an interesting situation where I can not decide whether it is a
> >> bug or functionality that should not be included at all.
> >>
> >> If I generate UBI image consisting of 3 Volumes to NAND flash on my
> >> board, U-boot does not attach UBI to MTD. This happens only if UBI
> >> contains a volume that has auto-resize flag set. U-boot tries to resize
> >> it but fails.
> >>
> >> Just started fixing it, but I have a question. Is it desirable that
> >> U-boot changes something in the FS? Would it not be better if U-boot
> >> would just read things out (that is all I want, to get uImage and dtb
> >> file) and leave the rest to Linux. (Linux handles the procedure without
> >> any issues).
> >>
> >> Any opinion welcome.
> >>
> >> Creating 1 MTD partitions on "nand0":
> >> 0x000000200000-0x000008000000 : "mtd=2"
> >> Bad block table found at page 65472, version 0x01
> >> Bad block table found at page 65408, version 0x01
> >> nand_read_bbt: Bad block at 0x0000011a0000
> >> 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
> >
> > Is the subpage size here correct? I know at least about one driver that
> > might misreport it under certain conditions.
> >
> > Best regards,
> > Marek Vasut
Best regards,
Marek Vasut
next prev parent reply other threads:[~2012-05-13 18:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-11 22:33 [U-Boot] UBI: volume auto-resize Matevz Langus
2012-05-13 17:09 ` Marek Vasut
2012-05-13 17:45 ` Matevz Langus
2012-05-13 18:51 ` Marek Vasut [this message]
2012-05-15 10:19 ` Matevz Langus
2012-05-15 16:33 ` Marek Vasut
2012-05-15 17:26 ` Scott Wood
2012-05-15 17:59 ` Matevz Langus
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