From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tero Kristo Subject: Re: [PATCHv2 00/27] ARM: OMAP2+: clock code migration to drivers/clk/ti Date: Thu, 21 May 2015 09:38:10 +0300 Message-ID: <555D7D52.8010501@ti.com> References: <1431334493-24455-1-git-send-email-t-kristo@ti.com> <5551D178.3000904@ti.com> <5552F32C.7060606@ti.com> <555B8DC0.5080905@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from comal.ext.ti.com ([198.47.26.152]:34347 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751146AbbEUGik (ORCPT ); Thu, 21 May 2015 02:38:40 -0400 In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Paul Walmsley Cc: mturquette@linaro.org, tony@atomide.com, linux-omap@vger.kernel.org, linux-clk@vger.kernel.org, sboyd@codeaurora.org, linux-arm-kernel@lists.infradead.org On 05/21/2015 01:40 AM, Paul Walmsley wrote: > On Tue, 19 May 2015, Tero Kristo wrote: > >> Any news on this? As noted previously, I am not able to reproduce the issue >> you are seeing currently, can you give DEBUG_LL a shot? > > Yeah I just bisected it, it was caused by this: > > commit cc4a5fe972ad7834e8662b49b3a5fdb597e9e15e > Author: Felipe Balbi > Date: Fri Jan 30 11:18:56 2015 -0600 > > arm: config: omap2plus_defconfig: switch over to LZMA compression > > LZMA compression makes about 33% smaller zImage > with just a slight extra decompression time. > > Before this patch, zImage built with o2+_dc > is 4.5MiB and after it's about 3.3MiB. > > Suggested-by: David Cohen > Signed-off-by: Felipe Balbi > Signed-off-by: Tony Lindgren > > > and the timeouts on the testbed being set to fail if a kernel takes longer > than five seconds to start. Seems that the part about a "slight extra > decompression time" probably only applies to relatively recent chips. > > > - Paul > Oh, so this explains why I was thinking it took very long time to boot the recent kernels also. The boot lag is clearly noticeable without any measurement. I wonder if we should probably revert this patch. -Tero