From: Nishanth Menon <nm@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] beaglxm/bootz: kernel boot fail due to align err: cache handling issues?
Date: Fri, 23 Aug 2013 09:54:00 -0500 [thread overview]
Message-ID: <52177788.4030308@ti.com> (raw)
In-Reply-To: <CAOCHtYis+47U7O4qM=C9U086aDUMvGJO+z8_kkHiiV5bF92VVg@mail.gmail.com>
On 08/23/2013 09:32 AM, Robert Nelson wrote:
> On Fri, Aug 23, 2013 at 9:21 AM, Nishanth Menon <nm@ti.com> wrote:
>> Hi,
>> Noticed an interesting behavior where adding a dcache flush kernel boot
>> fail due to unaligned-accesses seems to go away.
>> Full details: http://pastebin.com/kVBRWsbE
>> Without dcache flush being added to my uenvcmd:
>>
>> Kernel image @ 0x80200000 [ 0x000000 - 0x3e2690 ]
>> data abort
>>
>> MAYBE you should read doc/README.arm-unaligned-accesses
>>
>> pc : [<9ff6f6b4>] lr : [<9ff6ef6c>]
>> sp : 9fefaaf0 ip : 9fefe8ec fp : 00000000
>> r10: 9ffa6544 r9 : 9ffa5e5c r8 : 9fefaf30
>> r7 : 0f800000 r6 : 9ffa6544 r5 : 9ffa65b0 r4 : 9ffa65b4
>> r3 : 00000049 r2 : 00000010 r1 : 00000000 r0 : 0f800000
>> Flags: nZCv IRQs off FIQs off Mode SVC_32
>> Resetting CPU ...
>>
>> With dcache flush being added to my uenvcmd: complete boot
>>
>>
>> I think something of the form was highlighted here:
>> http://marc.info/?l=u-boot&m=137276534624656&w=2
>>
>> Not sure if there was any conclusion to the effect.
>
> There may still be an underline bug, but the "bootz ${loadaddr}" issue
> i showed in that post was fixed very late in the v2013.07, i forget
> the commit, it may have been a day or two right before.
>
> So looking at your pastebin.com log: "U-Boot
> 2013.07-rc2-00044-g1d28a6a" it might be worthwhile to re-test with
> v2013.07 final, specially since your using bootz...
Arrgh... I must have been completely blind :(
you are right,
v2013.07 - still failed, BUT,
v2013.10-rc1 just works fine.
2013.10-rc1-00029-g6612ab also works fine.
--
Regards,
Nishanth Menon
prev parent reply other threads:[~2013-08-23 14:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-23 14:21 [U-Boot] beaglxm/bootz: kernel boot fail due to align err: cache handling issues? Nishanth Menon
2013-08-23 14:32 ` Robert Nelson
2013-08-23 14:54 ` Nishanth Menon [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=52177788.4030308@ti.com \
--to=nm@ti.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.