Hi thanks, but i think that yingchun is right, apanic trys write into mtd partition of name 'kpanic'. I can specify it by config APANIC_PLABEL and in method 'mtd_panic_notify_add' is all magic. Please do you know how to create this mtd partition for apanic driver, or maybe I could try write panic stacktrace into console, because apanic has method apanic_write_console, but I don't know how to enable console on i9000.
On Oct 19, 2:30 pm, Kolja Dummann <[email protected]> wrote: > Hi, > > it does not write to a partition it uses the RAM. When it reboots it > checks if the reboot was cause of a panic and then spawns last_kmsg in > proc, which contains the dmsg of the last linux session. > > cheers Kolja. > > > > > > > > On Wed, Oct 19, 2011 at 12:47 PM, petter <[email protected]> wrote: > > Hi thanks for reply, I've checked out apanic.c driver and it looks > > good, but I dont't know, to which mtd partition it will write panic > > result?? > > > On Oct 18, 8:11 am, yingchun li <[email protected]> wrote: > >> On Wed, Oct 12, 2011 at 3:22 PM, petter <[email protected]> wrote: > >> > Hi, I am trying to bring host mode for galaxys (https://github.com/ > >> > havlenapetr/android_kernel_samsung/tree/hostmode_2) I've ported it > >> > from galaxys2 source code(it should be similiar hardware). I have some > >> > mismatch somewhere with my platform in host mode module, because when > >> > I try to start host mode my kernel freeze and phone just reboot. I > >> > modified dmesg in toolbox(https://github.com/havlenapetr/ > >> > android_system_core/commit/ff67144c61b06a3b7dba590ac0ab60a6afbb1da9), > >> > so I ran dmesg in daemon mode for logging. I add a lot of printk into > >> > host module, so I hoped that some printk dmesg will catch and put them > >> > into log file into /data/local/ before kernel freeze, but when phone > >> > rebooted in my dmesg log file wasn't any log from host mode module, so > >> > I think that kernel freeze so quickly that dmesg doesn't catch any > >> > printk from host module. Is therre any way how to catch kernel > >> > freeze(I think it is PANIC) in kernel and than put stacktrace or > >> > something somewhere into file, before kernel restarts??? > > >> You can add the android panic driver, it locat in drivers/misc/apanic.c, > >> it will save logs to mtd partition and copy to > >> /data/dontpanic/apanic_console > >> and apanic_threads. > >> and you must enable android ramconsole driver for apanic, and if kernel > >> reboot, > >> /proc/last_kmsg will save your log too. > >> br, > >> Yingchun > > >> > unsubscribe: [email protected] > >> > website:http://groups.google.com/group/android-kernel > > > -- > > unsubscribe: [email protected] > > website:http://groups.google.com/group/android-kernel -- unsubscribe: [email protected] website: http://groups.google.com/group/android-kernel
