Re: [tip:sched/core] sched: Add new scheduler syscalls to supportan extended scheduling parameters ABI
From: Stephen Warren
Date: Fri Jan 17 2014 - 12:29:47 EST
On 01/13/2014 08:53 AM, tip-bot for Dario Faggioli wrote:
> Commit-ID: d50dde5a10f305253cbc3855307f608f8a3c5f73
> Gitweb: http://git.kernel.org/tip/d50dde5a10f305253cbc3855307f608f8a3c5f73
> Author: Dario Faggioli <raistlin@xxxxxxxx>
> AuthorDate: Thu, 7 Nov 2013 14:43:36 +0100
> Committer: Ingo Molnar <mingo@xxxxxxxxxx>
> CommitDate: Mon, 13 Jan 2014 13:41:04 +0100
> sched: Add new scheduler syscalls to support an extended scheduling parameters ABI
> Add the syscalls needed for supporting scheduling algorithms
> with extended scheduling parameters (e.g., SCHED_DEADLINE).
I'm seeing a regression in next-20140116 on my system, and "git bisect"
points at this patch. I noticed the fix patch "sched: Fix up scheduler
syscall LTP fails", but applying that doesn't solve the problem.
The symptoms are that when the system boots, I see the login prompt over
the serial port OK, but after I've entered my user/password, the login
process simply hangs. CTRL-C drops me back to the login prompt.
Do you have any hints how I should debug this?
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