Reassign to OMAP Landing Team if still subject to problems.
** Changed in: linux-linaro
Status: Confirmed => Won't Fix
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Title:
CONFIG_OMAP
** Branch linked: lp:ubuntu/linux-ti-omap4
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Title:
CONFIG_OMAP2_DSS_SDI on OMAP4 causes: Unhandled fault: imprecise
external abort (0x1406) at 0
The new bug is 745737
** Branch unlinked: lp:ubuntu/linux-linaro-mx51
** Branch unlinked: lp:ubuntu/linux-linaro-s5pv310
** Branch unlinked: lp:ubuntu/linux-linaro-u8500
** Branch unlinked: lp:ubuntu/linux-linaro-vexpress
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Actually we have a new bug that I marked duplicate earlier. I should
undo that.
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Title:
CONFIG_OMAP2_DSS_SDI on OMAP4 causes: Unhandled fault: im
Yes, we have a new bug. CONFIG_OMAP_DSS_SDI is off now and the new
manifestation only happens about 20% of the time.
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Title:
CONFIG_OMAP2_DSS_SDI
(Should we be discussing this in a different bug, or should I reopen
this one?)
NB: the linux-linaro task has remained open, but the Ubuntu tasks are
currently "fix released"
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No and none of the context is there either so that must be for a
different tree. Just checked and drivers/video/omap2/omapfb/omapfb-
main.c is identical to current upstream.
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Does your tree have the patch attached from Seb Jan?
** Patch added: "omapfb lock fix"
https://bugs.launchpad.net/ubuntu/+source/linux-linaro/+bug/720055/+attachment/1956893/+files/0001-OMAPFB-protect-console-while-re-allocating-FB.patch
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So this isn't the DSS_SDI issue now. I wonder if it is the problem that
Anand was chasing in #12?
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Title:
CONFIG_OMAP2_DSS_SDI on OMAP4 causes: U
No /proc/config.gz on linaro kernel. (Maybe we should turn that on?)
But config is in /boot:
grep DSS_SDI /boot/config-*
# CONFIG_OMAP2_DSS_SDI is not set
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rootwait / mmc is likely unrelated, it just happened to be where the
other core was when it blew. The first core is indeed in the same code
known to cause this.
Can you do like
zcat /proc/config.gz | grep SDI
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Boot cmdline:
[0.00] Kernel command line: console=ttyO2,115200n8 vram=16M
root=/dev/mmcblk0p2 rw rootfstype=btrfs rootwait
(note use of rootwait)
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So that one was on a boot from power off:
[3.257263] SmartReflex Class3 initialized
[3.264862] clock: disabling unused clocks to save power
[3.270996] registered taskstats version 1
[3.292816] Console: switching to colour frame buffer device 80x30
[3.304412] Unhandled fault: imp
[3.366851] Console: switching to colour frame buffer device 80x30
[3.381469] Unhandled fault: imprecise external abort (0x1406) at 0x400d58da
[3.391967] Internal error: : 1406 [#1] SMP
[3.399383] last sysfs file:
[3.405548] Modules linked in:
[3.411773] CPU: 0Not tainted
I got this message today on one boot out of the first 5. Perhaps the
one where I used "reboot" instead of booting from power off.
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Title:
CONFIG_
** Changed in: linux-linaro
Importance: Critical => High
** Changed in: linux-linaro (Ubuntu)
Importance: Critical => High
** Changed in: linux-linaro-omap (Ubuntu)
Importance: Critical => High
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** Branch linked: lp:ubuntu/linux-linaro-omap
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Title:
CONFIG_OMAP2_DSS_SDI on OMAP4 causes: Unhandled fault: imprecise
external abort (0x1406) a
** Branch linked: lp:ubuntu/linux-linaro-vexpress
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Title:
CONFIG_OMAP2_DSS_SDI on OMAP4 causes: Unhandled fault: imprecise
external abort (0x140
** Branch linked: lp:ubuntu/linux-linaro-s5pv310
** Branch linked: lp:ubuntu/linux-linaro-u8500
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Title:
CONFIG_OMAP2_DSS_SDI on OMAP4 causes: Unh
** Branch linked: lp:ubuntu/linux-linaro-mx51
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Title:
CONFIG_OMAP2_DSS_SDI on OMAP4 causes: Unhandled fault: imprecise
external abort (0x1406) a
This bug was fixed in the package linux-linaro-omap - 2.6.38-1001.2
---
linux-linaro-omap (2.6.38-1001.2) natty; urgency=low
[ John Rigby ]
* Rebase to new upstreams:
Linux v2.6.38-rc6 -- same
linaro-linux-2.6.38-upstream-1Mar2011 -- new
Ubuntu-2.6.38-5.32 -- same
I don't think this issue is critical now that we know it goes away when
turning off CONFIG_OMAP2_DSS_SDI. See irc log in #26 above.
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Title:
CONFI
** Changed in: linux-linaro
Importance: Undecided => Critical
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Title:
CONFIG_OMAP2_DSS_SDI on OMAP4 causes: Unhandled fault: imprecise
extern
** Changed in: linux-linaro (Ubuntu)
Status: In Progress => Invalid
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Title:
CONFIG_OMAP2_DSS_SDI on OMAP4 causes: Unhandled fault: imprecis
>From irc conversation with sakoman CONFIG_OMAP2_DSS_SDI should not be
turned on for a board without an sdi display. Here is the very
informative discussion:
jcrigby: the "proper" fix for the vdds_sdi regulator issue is to
unset CONFIG_OMAP2_DSS_SDI in your defconfig
none of the indicated boa
** Changed in: linux-linaro (Ubuntu)
Status: Confirmed => In Progress
** Changed in: linux-linaro-omap (Ubuntu)
Status: Confirmed => In Progress
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** Changed in: linux-linaro (Ubuntu)
Status: New => Confirmed
** Changed in: linux-linaro
Status: New => Confirmed
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Title:
CONFIG_O
Changing the bug description to reflect the current status. Next verson
of package will have CONFIG_OMAP2_DSS_SDI turned off so we now have
graphics on omap4/panda.
** Summary changed:
- Unhandled fault: imprecise external abort (0x1406) at 0x2ada61a8
+ CONFIG_OMAP2_DSS_SDI on OMAP4 causes: Unha
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