On 04/07/2014 06:17 AM, Fengguang Wu wrote:
Hi Ken,
I got the below dmesg and the first bad commit is
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 12e364b9f08aa335dc7716ce74113e834c993765
Author: Ken Cox <jkc@xxxxxxxxxx>
AuthorDate: Tue Mar 4 07:58:07 2014 -0600
Commit: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
CommitDate: Tue Mar 4 16:58:21 2014 -0800
--snip--
[ 24.135101] FPGA image file name: xlinx_fpga_firmware.bit
[ 24.137595] GPIO INIT FAIL!!
[ 24.141283] driver version 1.0.0.0 loaded
[ 24.142539] chipset driver version 1.0.0.0 loadedinvalid opcode: 0000 [#1] PREEMPT SMP
[ 24.144793] Modules linked in:
[ 24.145303] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.14.0-rc5-00621-g12e364b #1
[ 24.145303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.145303] task: ffff88001157a010 ti: ffff88001157c000 task.ti: ffff88001157c000
[ 24.145303] RIP: 0010:[<ffffffff81e37115>] [<ffffffff81e37115>] visorchipset_init+0x7b/0x8c5
The problem is that the driver is trying to call firmware code that only
exists on Unisys s-Par hardware. I will add a check to make sure the
driver is running on the correct platform before trying to call into the
firmware.
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