That's what, I too taking about. If your device doesn't boot, unable to see any logs....So try to enable RAM_CONSOLE in working & as well as non-working kernel [your case]. Boot the non-working kernel first & try to boot the working kernel & get the crash log.
BR, Jagan. On Mon, Jan 30, 2012 at 6:44 PM, Rudolf Tammekivi <rtammek...@gmail.com>wrote: > I said it does not boot (crashes directly on boot, does not do a > reboot), so that's not an option. But now I am thinking MMC is not > working... My device has all partitions on one MMC. And is there a way > to somehow initialize USB before anything else? To see whether it > works or not... > > On Jan 25, 6:41 pm, jagan <402ja...@gmail.com> wrote: > > Usually when we'r directly working on device, RAM_CONSOLE is better > choice. > > > > To setup this we have a ram_console driver at drivers/staging/android > path > > [enable it] & you just create a > > platform device entry in BSP code. > > > > Once you have any crash/hang happening on your device, for next the > reboot > > try to dump the log from > > /proc/last_kmsg [where you can get the previous crash log]...debug it > > > > Regards, > > Jagan. > > > > On Wed, Jan 25, 2012 at 7:26 PM, Rudolf Tammekivi <rtammek...@gmail.com > >wrote: > > > > > > > > > > > > > > > > > The ram_console is very interesting, but how should I get it, if it > > > does not boot? Does it matter if I boot recovery or Android? > > > > > On Jan 24, 10:01 pm, jagan <402ja...@gmail.com> wrote: > > > > Is there a way to save the log somewhere (like /cache or /data), so I > > > > could check what did not work and get a start somewhere.> there is a > > > debug procedure called, RAM_CONSOLE, find it on google[enough > > > > > > info] > > > > > > Regards, > > > > Jagan. > > > > > > On Tue, Jan 24, 2012 at 9:29 PM, Rudolf Tammekivi < > rtammek...@gmail.com > > > >wrote: > > > > > > > It's MSM7x30, and when I am browsing through the manufacturer's > code, > > > > > I see they have taken the msm7x30 board and simply modified for > their > > > > > needs. So I am currently trying to do the same. > > > > > What do you mean by "procedural way"? I did an early build, after > the > > > > > boot logo, it simply turned off/screen turned off, USB did not > work. I > > > > > did try this on the recovery, because that should not need all > things > > > > > Android needs, right? > > > > > > > Is there a way to save the log somewhere (like /cache or /data), > so I > > > > > could check what did not work and get a start somewhere. > > > > > > > On Jan 24, 8:41 am, jagan <402ja...@gmail.com> wrote: > > > > > > What is your device QC Chipset? > > > > > > -If you your phone chipset supports the downloaded msm kernel, > try to > > > > > > download msm-2.6.35[chipset supportable]. > > > > > > do the diff b/w msm-2.6.35 to your device kernel, identify the > > > device > > > > > > spec changes & apply them on msm-3.0. > > > > > > > > Be-careful you need to do it in a procedural way. > > > > > > > > Regards, > > > > > > Jagan. > > > > > > > > On Sat, Jan 21, 2012 at 11:46 PM, Rudolf Tammekivi < > > > rtammek...@gmail.com > > > > > >wrote: > > > > > > > > > My device has 2.6.35.7 source code provided, but I want to > upgrade > > > it > > > > > to > > > > > > > 3.0. Most of the 2.6.35.7 sources are from CodeAurora, which > are > > > > > modifed by > > > > > > > manufacturer, and I have already downloaded the 3.0 base for > msm. > > > What > > > > > are > > > > > > > the mandatory things I need to modify in order to make it boot? > > > Like > > > > > CPU, > > > > > > > display, memory. > > > > > > > > > -- > > > > > > > unsubscribe: android-kernel+unsubscr...@googlegroups.com > > > > > > > website:http://groups.google.com/group/android-kernel > > > > > > > -- > > > > > unsubscribe: android-kernel+unsubscr...@googlegroups.com > > > > > website:http://groups.google.com/group/android-kernel > > > > > -- > > > unsubscribe: android-kernel+unsubscr...@googlegroups.com > > > website:http://groups.google.com/group/android-kernel > > -- > unsubscribe: android-kernel+unsubscr...@googlegroups.com > website: http://groups.google.com/group/android-kernel > -- unsubscribe: android-kernel+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-kernel
