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Subject3.15.4 runs *significantly* slower than 3.15.3 on iMX233 CPU
Date
Hello,

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.

Thank you very much in advance.

Greetings,

Manuel



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