From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
To: Manuel Reimer <Manuel.Spam@nurfuerspam.de>,
linux-embedded@vger.kernel.org
Subject: Re: 3.15.4 runs *significantly* slower than 3.15.3 on iMX233 CPU
Date: Tue, 08 Jul 2014 09:01:47 -0300 [thread overview]
Message-ID: <53BBDDAB.9010204@gmail.com> (raw)
In-Reply-To: <lpeo05$sc8$1@ger.gmane.org>
Em 07-07-2014 15:13, Manuel Reimer escreveu:
> Hello,
Hi,
> maybe someone can help me to find the reason for this problem:
>
> If I run my iMX233 development board with an 3.15.3 kernel, then the
> performance is much better as with an 3.15.4 kernel.
>
> I have the first significant "hanging" here:
>
> [ 7.910000] sd 0:0:0:0: [sda] Attached SCSI removable disk
> [ 10.810000] random: nonblocking pool is initialized
> [ 24.310000] systemd[1]: systemd 214 running in system mode. (+PAM
> -AUDIT -SELINUX -IMA -SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ +SECCOMP
> -APPARMOR)
>
> After booting up it takes several seconds between entering the username
> and the password while with version 3.15.3 the password prompt appears
> almost immediately after entering the username.
>
> Please tell me if some additional information is needed.
Did you try some git bisecting between these two versions, right? It's
only 67 commits to go and it will probably give you the culprit right away.
Marcelo
> Thank you very much in advance.
>
> Greetings,
>
> Manuel
>
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prev parent reply other threads:[~2014-07-08 12:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-07 18:13 3.15.4 runs *significantly* slower than 3.15.3 on iMX233 CPU Manuel Reimer
2014-07-08 12:01 ` Marcelo Ricardo Leitner [this message]
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