# Re: \[-next\] ERROR: "epapr\_hypercall\_start" \[drivers/tty/ehv\_bytechan.ko\] undefined!

- From: Scott Wood \<hidden\>
- Date: 2012-08-10 17:05:19 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2012/08/9470775
- Thread: https://ratatoskr.run/linuxppc-dev/2012/08/8898825/t.md

```text
On 08/10/2012 04:00 AM, Michael Ellerman wrote:
> On Fri, 2012-08-10 at 18:58 +1000, Michael Ellerman wrote:
>> On Fri, 2012-08-10 at 09:43 +0200, Geert Uytterhoeven wrote:
>>> Sicne a few days, powerpc allmodconfig fails with:
>>>
>>> ERROR: "epapr_hypercall_start" [drivers/tty/ehv_bytechan.ko] undefined!
>>> make[2]: *** [__modpost] Error 1
>>> make[1]: *** [modules] Error 2
>>>
>>> http://kisskb.ellerman.id.au/kisskb/buildresult/6883300/
>>
>>
>> Yep, modular build is broken.
>>
>> Since this commit by the looks of it:
>>
>> commit 6d2d82627f4f1e96a33664ace494fa363e0495cb
>> Author: Liu Yu-B13201 [ref]
>> Date:   Tue Jul 3 05:48:56 2012 +0000
>>
>>     PPC: Don't use hardcoded opcode for ePAPR hcall invocation
>>     
>>     Signed-off-by: Liu Yu [ref]
> 
> And this address bounces, nice.

He doesn't work here anymore.  We'll take care of the breakage.

-Scott
```