[fedora-arm] kernel BUG at drivers/mtd/maps/physmap.c:158!

Alex Villací­s Lasso a_villacis at palosanto.com
Fri Jun 15 22:04:21 UTC 2012


El 15/06/12 16:00, Jon Masters escribió:
> On 06/15/2012 04:17 PM, Brendan Conoboy wrote:
>> On 06/15/2012 10:06 AM, Alex Villací­s Lasso wrote:
>>> Still present in 3.4.2-3.fc17.armv5tel:
>> Jon Masters tracked this down.  For the time being add the following to
>> the kernel command line (IE, the append=...):
>>
>>     physmap.enabled=0
> For the record, the vexpress model doesn't provide a full emulation of
> the MTD flash, but the vexpress kernel provides glue that causes udev to
> try to load the physmap driver. So on real hardware, this is ok, but in
> the model, it dies during probe when it doesn't see hardware (that's
> probably a kernel bug - it ought not to oops there). The hack is to
> specify a kernel module parameter (enabled=0) that doesn't exist (there
> is no "enabled") since we intentionally engineered the module utilities
> to handle that case by failing to load the module. So, udev tries to
> load it, the module gets an unknown parameter, fails, and we're cool.
>
> We don't need this fixed, but obviously it does need fixing for general
> happiness and for us to remove the need for this command line hack.
>
> Jon.
>
Kernel confirmed to boot with workaround.


More information about the arm mailing list