Tao Hu, Did you try the similar solution in our Ubuntu kernel? We suspect it related to HIGHMEM, SMP and cache control code. And how about your test case? Thanks a lot, -Bryan On Wed, Nov 24, 2010 at 11:11 AM, TAO HU <tghk48@xxxxxxxxxxxx> wrote: > Hi, All > > We got following errors on OMAP ES2.0 board. > > And noticed a similar case was reported at below link > http://www.opensubscriber.com/message/kernel-team@xxxxxxxxxxxxxxxx/14591440.html > > Is any conclusion/fix available? > > <1>[ 348.873840] Unhandled fault: imprecise external abort (0x1406) at > 0x462d301c > <1>[ 348.885040] Unhandled fault: imprecise external abort (0x1406) at > 0xbe8fec78 > <1>[ 348.897247] Unhandled fault: imprecise external abort (0x1406) at > 0xbe8fec78 > <1>[ 348.954772] Unhandled fault: imprecise external abort (0x1406) at > 0xb000c454 > <1>[ 348.967590] Unhandled fault: imprecise external abort (0x1406) at > 0xb000c454 > <1>[ 348.989471] Unhandled fault: imprecise external abort (0x1406) at > 0xbeb02fb8 > <4>[ 349.006683] Process 2664(coredump) has RLIMIT_CORE set to 1 > <4>[ 349.012481] Aborting core > <1>[ 349.023040] Unhandled fault: imprecise external abort (0x1406) at > 0xbeb02fb8 > <1>[ 349.041625] Unhandled fault: imprecise external abort (0x1406) at > 0xbed6cfbc > <4>[ 349.061370] Process 2665(kkkkkkkkkkkkkkk) has RLIMIT_CORE set to 1 > <4>[ 349.067810] Aborting core > <0>[ 349.077362] Kernel panic - not syncing: Attempted to kill init! > > -- > Best Regards > Hu Tao > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html