Re: [PATCH 00/12] printk() fixes, optimizations, and clean ups

From: Kay Sievers
Date: Thu Nov 15 2012 - 11:05:12 EST


On Wed, 2012-11-14 at 00:12 +0100, Jan H. SchÃnherr wrote:
> Hi Greg, hi Kay, and all other interested people.
>
> This series aims at cleaning up and fixing some bugs around printk().
> Patches 9 and 11 might require some discussion, see below.

This is how current git looks like:
[ 1.062953] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input2
[ 1.090595] List of all partitions:
[ 1.091703] 0800 117220824 sda driver: sd
[ 1.093054] 0801 1048576 sda1 1fcbc57f-4bfc-4c2b-91a3-9c84fbcd9af1
[ 1.094662] 0802 30720000 sda2 084917b7-8be2-4e86-838d-f771a9902e08
[ 1.096624] 0803 15360000 sda3 180053b6-6697-4f4c-b331-4925773197ff
[ 1.098624] 0804 54730752 sda4 b67dfc6e-d06f-4b11-bd52-96c09163aca9
[ 1.100304] 0805 15360000 sda5 6d0d537c-3107-4057-a57b-5379a0cd8e31
[ 1.101918] No filesystem could mount root, tried: btrfs
[ 1.103633] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1)


This with all your patches applied:
[ 1.032804] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input2
[ 1.063915] List of all partitions:
[ 1.065521] 0800 117220824 sda driver: sd
[ 1.067444] 0801 1048576 sda1 1fcbc57f-4bfc-4c2b-91a3-9c84fbcd9af1 0802 30720000 sda2 084917b7-8be2-4e86-838d-f771a9902e08 0803 15360000 sda3 180053b6-6697-4f4c-b331-4925773197ff 0804 54730752 sda4 b67dfc6e-d06f-4b11-bd52-96c09163aca9 0805 15360000 sda5 6d0d537c-3107-4057-a57b-5379a0cd8e31No filesystem could mount root, tried: btrfs
[ 1.077120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1)


Something seems broken in the patches regarding the console or newline logic.

Thanks,
Kay

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