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Date: Thu, 6 Apr 2017 13:47:26 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: kernel test robot <xiaolong.ye@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>, Josh Poimboeuf <jpoimboe@redhat.com>,
        Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
        Borislav Petkov <bp@alien8.de>, Brian Gerst <brgerst@gmail.com>,
        Denys Vlasenko <dvlasenk@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        LKML <linux-kernel@vger.kernel.org>,
        Stephen Rothwell <sfr@canb.auug.org.au>, lkp@01.org
Subject: Re: [lkp-robot] [debug]  19d436268d: BUG:unable_to_handle_kernel
Message-ID: <20170406114726.qnljok4vdfjgabno@hirez.programming.kicks-ass.net>
References: <20170406025014.GM17682@yexl-desktop>
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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