linux-kernel - WARNING: at vsmp_64.c: is_vsmp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20120823005515.GA3071@localhost>
Date:	Thu, 23 Aug 2012 08:55:15 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Ido Yariv <ido@...ery.com>
Cc:	Shai Fultheim <shai@...lemp.com>, Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>
Subject: WARNING: at vsmp_64.c: is_vsmp_box()

Hi Ido,

The below warning should be introduced by this commit at tip/master:

commit c00679af441c5be76e195deed2c76fef65a5d102
Author:     Ido Yariv <ido@...ery.com>
CommitDate: Wed Aug 22 10:48:05 2012 +0200

    x86/vsmp: Use hypervisor layer for initialization
   
[    0.000000] tsc: Detected 3200.098 MHz processor
[    0.000000] ------------[ cut here ]------------
[    0.000000] WARNING: at /c/kernel-tests/src/tip/arch/x86/kernel/vsmp_64.c:158 is_vsmp_box+0xa1/0xb0()
[    0.000000] Hardware name: Bochs
[    0.000000] Pid: 0, comm: swapper/0 Not tainted 3.6.0-rc2-01612-g595b3f3 #292
[    0.000000] Call Trace:
[    0.000000]  [<ffffffff8105a12a>] ? warn_slowpath_common+0x7a/0xb0
[    0.000000]  [<ffffffff810339f1>] ? is_vsmp_box+0xa1/0xb0
[    0.000000]  [<ffffffff818125d5>] ? apic_is_clustered_box+0x34/0x4c
[    0.000000]  [<ffffffff8180baa4>] ? unsynchronized_tsc+0x23/0x71
[    0.000000]  [<ffffffff81f8330c>] ? tsc_init+0xc2/0xed
[    0.000000]  [<ffffffff81f7cc0d>] ? start_kernel+0x3fd/0x47a
[    0.000000]  [<ffffffff81f7c627>] ? repair_env_string+0x5b/0x5b
[    0.000000]  [<ffffffff81f7c436>] ? x86_64_start_kernel+0x105/0x114

Thanks,
Fengguang

View attachment "dmesg-kvm-fat-27986-2012-08-22-18-20-17-3.6.0-rc2-01612-g595b3f3-292" of type "text/plain" (34551 bytes)

View attachment "config-3.6.0-rc2-01612-g595b3f3" of type "text/plain" (55931 bytes)