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SubjectRe: [PATCH v2 2/3] fbcon: use the cursor blink interval provided by vt
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On Thu, Mar 26, 2015 at 6:56 AM, Scot Doyle <lkml14@scotdoyle.com> wrote:
> vt now provides a cursor blink interval via vc_data. Use this
> interval instead of the currently hardcoded 200 msecs. Store it in
> fbcon_ops to avoid locking the console in cursor_timer_handler().
>
> Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
> Acked-by: Pavel Machek <pavel@ucw.cz>

This patch hit next-20150519 in the form of commit 27a4c827c34a
(fbcon: use the cursor blink interval provided by vt) and has caused
boot failure on a handful of ARM platforms when booting a MMC root
filesystem. This error was spotted by the kernelci.org bot on
exynos5800-peach-pi[1] and Thierry and Daniel (Cc'd) have seen it on
some tegra platforms too.

Thierry spotted this commit as a potential cause, and both Daniel and
I have reverted and boot tested on exynos5 and tegra respectively and
the boot panics disappear.

Kevin

[1] http://storage.kernelci.org/next/next-20150519/arm-exynos_defconfig/lab-khilman/boot-exynos5800-peach-pi_rootfs:mmc.html


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