linux-kernel - Re: [lkp-robot] [debug] 19d436268d: BUG:unable_to_handle

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Date:   Thu, 6 Apr 2017 13:47:26 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     kernel test robot <xiaolong.ye@...el.com>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Andy Lutomirski <luto@...nel.org>,
        Arnd Bergmann <arnd@...db.de>, Borislav Petkov <bp@...en8.de>,
        Brian Gerst <brgerst@...il.com>,
        Denys Vlasenko <dvlasenk@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, lkp@...org
Subject: Re: [lkp-robot] [debug]  19d436268d: BUG:unable_to_handle_kernel

On Thu, Apr 06, 2017 at 10:50:14AM +0800, kernel test robot wrote:
> 
> FYI, we noticed the following commit:
> 
> commit: 19d436268dde95389c616bb3819da73f0a8b28a8 ("debug: Add _ONCE() logic to report_bug()")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
> 

next/master doesn't build for me at all with your .config.

I get a metric ton of:

  MODPOST 893 modules
  LZ4     arch/x86/boot/compressed/vmlinux.bin.lz4
ERROR: "user_describe" [security/keys/trusted.ko] undefined!
ERROR: "__gcov_merge_add" [security/keys/trusted.ko] undefined!
ERROR: "__gcov_init" [security/keys/trusted.ko] undefined!
ERROR: "unregister_key_type" [security/keys/trusted.ko] undefined!
ERROR: "register_key_type" [security/keys/trusted.ko] undefined!
ERROR: "crypto_alloc_shash" [security/keys/trusted.ko] undefined!
ERROR: "tpm_seal_trusted" [security/keys/trusted.ko] undefined!
ERROR: "tpm_unseal_trusted" [security/keys/trusted.ko] undefined!
ERROR: "call_rcu" [security/keys/trusted.ko] undefined!
ERROR: "crypto_shash_digest" [security/keys/trusted.ko] undefined!

$ grep -c ERROR build.log
27293