unhandled fault：external abort on non-linefetch

只看该作者 · 2015-11-18 15:32

硬件环境：
imx6d

现象：
开机一只白屏，内核报错如下：
Starting kernel ...

[ 0.251826] csr_pm_probe
[ 0.430220] regulator: get() with no identifier
[ 0.436504] mxc_ipu mxc_ipu: Channel already disabled 9
[ 0.436520] mxc_ipu mxc_ipu: Channel already uninitialized 9
[ 0.515587] mxc_ipu mxc_ipu: Channel already disabled 7
[ 0.515599] mxc_ipu mxc_ipu: Channel already uninitialized 7
[ 0.576723] mxc_ipu mxc_ipu: Channel already disabled 10
[ 0.576734] mxc_ipu mxc_ipu: Channel already uninitialized 10
[ 1.112489] tw8834 unavailable, chip_id = -5!
[ 3.959476] init: main: boot_type=0
[ 4.174827] csr_pm: (0,1)
[ 4.177471] csr_pm: powering on
# [ 5.639437] mxc_ipu mxc_ipu: Channel already disabled 7
[ 5.639454] mxc_ipu mxc_ipu: Channel already uninitialized 7
[ 8.895346] Unhandled fault: external abort on non-linefetch (0x1018) at 0x40d28054
[ 16.472253] Unhandled fault: external abort on non-linefetch (0x1018) at 0x4152f054
[ 16.591720] Unhandled fault: external abort on non-linefetch (0x1018) at 0x4152f054
[ 17.097668] Unhandled fault: external abort on non-linefetch (0x1018) at 0x41a0d054
[ 17.256776] Unhandled fault: external abort on non-linefetch (0x1018) at 0x41aaa054
[ 17.783257] Unhandled fault: external abort on non-linefetch (0x1018) at 0x41afc054
[ 17.912951] Unhandled fault: external abort on non-linefetch (0x1018) at 0x41b99054
[ 18.404687] Unhandled fault: external abort on non-linefetch (0x1018) at 0x41be4054
[ 18.515967] Unhandled fault: external abort on non-linefetch (0x1018) at 0x41c81054
[ 18.954340] Unhandled fault: external abort on non-linefetch (0x1018) at 0x41cd3054
[ 19.053492] Unhandled fault: external abort on non-linefetch (0x1018) at 0x41d70054

测试给的机器，板子是我们自己画的。