[Bug 77712] SNA performance regression from 3.13.7 to 3.14 kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77712

--- Comment #6 from Ildar Nurislamov <absorbb at gmail.com> ---
That was printed in VT1 before welcome message:

2014-04-23T16:16:36.494674+04:00 linux-2uju kernel: [    0.000000] Linux
version 3.15.0-rc2desktop+ (absorbb at linux-2uju) (gcc version 4.8.1 20130909
[gcc-4_8-branch revision 202388] (SUSE Linux) ) #1 SMP PREEMPT Wed Apr 23
16:06:21 MSK 2014
...
2014-04-23T16:16:36.496355+04:00 linux-2uju kernel: [    0.384669] Ring render
ring before initialisation: 00000000 00000000 00000000 00000000
2014-04-23T16:16:36.496356+04:00 linux-2uju kernel: [    0.386567] Ring render
ring after initialisation: 0001f001 00000008 00000008 009f1000
2014-04-23T16:16:36.496357+04:00 linux-2uju kernel: [    0.386630] Ring bsd
ring before initialisation: 00000000 00000000 00000000 00000000
2014-04-23T16:16:36.496358+04:00 linux-2uju kernel: [    0.386643] Ring bsd
ring after initialisation: 0001f001 00000008 00000008 00a13000
2014-04-23T16:16:36.496359+04:00 linux-2uju kernel: [    0.386691] Ring blitter
ring before initialisation: 00000000 00000000 00000000 00000000
2014-04-23T16:16:36.496360+04:00 linux-2uju kernel: [    0.386705] Ring blitter
ring after initialisation: 0001f001 00000008 00000008 00a34000
2014-04-23T16:16:36.496362+04:00 linux-2uju kernel: [    0.505797]
[drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO underrun


2014-04-23T16:35:55.660575+04:00 linux-2uju kernel: [    0.000000] Linux
version 3.14.0-6.ga68bc7c-desktop+ (absorbb at linux-2uju) (gcc version 4.8.1
20130909 [gcc-4_8-branch revision 202388] (SUSE Linux) ) #1 SMP PREEMPT Tue Apr
22 17:11:42 MSK 2014
...
2014-04-23T16:35:55.661500+04:00 linux-2uju kernel: [    0.386481] Ring render
ring before initialisation: 00000000 00000000 00000000 00000000
2014-04-23T16:35:55.661501+04:00 linux-2uju kernel: [    0.388218] Ring render
ring after initialisation: 0001f001 00000008 00000008 009f1000
2014-04-23T16:35:55.661502+04:00 linux-2uju kernel: [    0.388270] Ring bsd
ring before initialisation: 00000000 00000000 00000000 00000000
2014-04-23T16:35:55.661503+04:00 linux-2uju kernel: [    0.388283] Ring bsd
ring after initialisation: 0001f001 00000008 00000008 00a13000
2014-04-23T16:35:55.661505+04:00 linux-2uju kernel: [    0.388307] Ring blitter
ring before initialisation: 00000000 00000000 00000000 00000000
2014-04-23T16:35:55.661506+04:00 linux-2uju kernel: [    0.388320] Ring blitter
ring after initialisation: 0001f001 00000008 00000008 00a34000
2014-04-23T16:35:55.661631+04:00 linux-2uju kernel: [    0.503503]
[drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO underrun

Is this ok?

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