Re: parisc crash on boot with 4.8+git
From: Helge Deller
Date: Sun Oct 09 2016 - 05:06:53 EST
On 09.10.2016 11:03, Meelis Roos wrote:
>> On 08.10.2016 23:52, Meelis Roos wrote:
>>> rp3410 crashed on boot with the following:
>>> Linux version 4.8.0-11288-gb66484c (mroos@rp3410) (gcc version 5.4.0 (Gentoo 5.4.0 p1.0) ) #81 Sat Oct 8 20:40:24 EEST 2016
>>> unwind_init: start = 0x4076e980, end = 0x407a7060, entries = 14446
>>> The 64-bit Kernel has started...
>>> Kernel default page size is 4 KB. Huge pages enabled with 1 MB physical and 2 MB virtual size.
>>> bootconsole [ttyB0] enabled
>>> Memory Ranges:
>>> 0) Start 0x0000000000000000 End 0x000000003fffffff Size 1024 MB
>>> 1) Start 0x0000004040000000 End 0x000000407fdfffff Size 1022 MB
>>> Total Memory: 2046 MB
>>> [<0000000040102d40>] paging_init+0x5e0/0x740
>>> [<0000000040103744>] setup_arch+0x16c/0x1b0
>>> [<0000000040100ce0>] start_kernel+0xb8/0x668
>>> Bad Address (null pointer deref?): Code=15 regs=00000000408034c0 (Addr=000000099cf94000)
>> You probably are facing one or both of those problems:
>> 1. Your kernel is bigger than the initial kernel mappings
>> 2. You face a bug in the palo boot loader.
>> Regarding 1, you probably have CONFIG_TRACE=y or CONFIG_TEST_RHASHTABLE=y enabled?
>> Both increase the kernel size a lot and trigger this bug.
> # CONFIG_TEST_RHASHTABLE is not set
> There is no CONFIG_TRACE in my .config.
> # CONFIG_FTRACE is not set
I meant CONFIG_FTRACE (which you don't seem to have enabled).
I just pushed two updated patches to my for-next git tree.
Please pull them on top of Linux head and try again (please update palo before).
>> Even if you fix the kernel with the patches above, you still may run
>> into the palo bug. I've just pushed a fix for it into the palo tree:
>> If you rebuild palo, please make sure to install the new ipl boot loader into
>> the palo partition of your boot disc. palo should report at bootup version 1.96.
Same here. Please pull latest version, and install it: