From: Xunlei Pang <xpang@redhat.com>
To: Borislav Petkov <bp@alien8.de>, xlpang@redhat.com
Cc: Prarit Bhargava <prarit@redhat.com>,
Kiyoshi Ueda <k-ueda@ct.jp.nec.com>,
Tony Luck <tony.luck@intel.com>,
x86@kernel.org, kexec@lists.infradead.org,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Junichi Nomura <j-nomura@ce.jp.nec.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
Dave Young <dyoung@redhat.com>
Subject: Re: [PATCH] x86/mce: Keep quiet in case of broadcasted mce after system panic
Date: Thu, 26 Jan 2017 14:30:02 +0800 [thread overview]
Message-ID: <5889976A.9020802@redhat.com> (raw)
In-Reply-To: <20170124122212.3dpdex5wjallypis@pd.tnic>
On 01/24/2017 at 08:22 PM, Borislav Petkov wrote:
> On Tue, Jan 24, 2017 at 09:27:45AM +0800, Xunlei Pang wrote:
>> It occurred on real hardware when testing crash dump.
>>
>> 1) SysRq-c was injected for the test in 1st kernel
>> [ 49.897279] SysRq : Trigger a crash 2) The 2nd kernel started for kdump
>> [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.10.0-229.el7.x86_64 root=UUID=976a15c8-8cbe-44ad-bb91-23f9b18e8789
> Yeah, no, I'm not debugging the RH Frankenstein kernel.
>
> Please retrigger this with latest tip/master first.
>
The hardware machine check is hard to reproduce, but the mce code of RHEL7 is quite
the same as that of tip/master, anyway we are able to inject software mce to reproduce it.
It is also clear from the theoretical analysis of the code.
Regards,
Xunlei
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WARNING: multiple messages have this Message-ID (diff)
From: Xunlei Pang <xpang@redhat.com>
To: Borislav Petkov <bp@alien8.de>, xlpang@redhat.com
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
kexec@lists.infradead.org, Tony Luck <tony.luck@intel.com>,
Ingo Molnar <mingo@redhat.com>, Dave Young <dyoung@redhat.com>,
Prarit Bhargava <prarit@redhat.com>,
Junichi Nomura <j-nomura@ce.jp.nec.com>,
Kiyoshi Ueda <k-ueda@ct.jp.nec.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Subject: Re: [PATCH] x86/mce: Keep quiet in case of broadcasted mce after system panic
Date: Thu, 26 Jan 2017 14:30:02 +0800 [thread overview]
Message-ID: <5889976A.9020802@redhat.com> (raw)
In-Reply-To: <20170124122212.3dpdex5wjallypis@pd.tnic>
On 01/24/2017 at 08:22 PM, Borislav Petkov wrote:
> On Tue, Jan 24, 2017 at 09:27:45AM +0800, Xunlei Pang wrote:
>> It occurred on real hardware when testing crash dump.
>>
>> 1) SysRq-c was injected for the test in 1st kernel
>> [ 49.897279] SysRq : Trigger a crash 2) The 2nd kernel started for kdump
>> [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.10.0-229.el7.x86_64 root=UUID=976a15c8-8cbe-44ad-bb91-23f9b18e8789
> Yeah, no, I'm not debugging the RH Frankenstein kernel.
>
> Please retrigger this with latest tip/master first.
>
The hardware machine check is hard to reproduce, but the mce code of RHEL7 is quite
the same as that of tip/master, anyway we are able to inject software mce to reproduce it.
It is also clear from the theoretical analysis of the code.
Regards,
Xunlei
next prev parent reply other threads:[~2017-01-26 6:28 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-23 8:01 [PATCH] x86/mce: Keep quiet in case of broadcasted mce after system panic Xunlei Pang
2017-01-23 8:01 ` Xunlei Pang
2017-01-23 12:51 ` Borislav Petkov
2017-01-23 12:51 ` Borislav Petkov
2017-01-23 13:35 ` Xunlei Pang
2017-01-23 13:35 ` Xunlei Pang
2017-01-23 14:50 ` Borislav Petkov
2017-01-23 14:50 ` Borislav Petkov
2017-01-23 17:40 ` Luck, Tony
2017-01-23 17:40 ` Luck, Tony
2017-01-23 17:51 ` Borislav Petkov
2017-01-23 17:51 ` Borislav Petkov
2017-01-23 18:01 ` Luck, Tony
2017-01-23 18:01 ` Luck, Tony
2017-01-23 18:14 ` Borislav Petkov
2017-01-23 18:14 ` Borislav Petkov
2017-01-24 2:33 ` Xunlei Pang
2017-01-24 2:33 ` Xunlei Pang
2017-01-24 1:46 ` Xunlei Pang
2017-01-24 1:46 ` Xunlei Pang
2017-01-24 1:51 ` Xunlei Pang
2017-01-24 1:51 ` Xunlei Pang
2017-01-24 1:27 ` Xunlei Pang
2017-01-24 1:27 ` Xunlei Pang
2017-01-24 12:22 ` Borislav Petkov
2017-01-24 12:22 ` Borislav Petkov
2017-01-26 6:30 ` Xunlei Pang [this message]
2017-01-26 6:30 ` Xunlei Pang
2017-01-26 6:44 ` Borislav Petkov
2017-01-26 6:44 ` Borislav Petkov
2017-02-16 5:36 ` Xunlei Pang
2017-02-16 5:36 ` Xunlei Pang
2017-02-16 10:18 ` Borislav Petkov
2017-02-16 10:18 ` Borislav Petkov
2017-02-16 11:52 ` Xunlei Pang
2017-02-16 11:52 ` Xunlei Pang
2017-02-16 12:22 ` Borislav Petkov
2017-02-16 12:22 ` Borislav Petkov
2017-02-17 1:53 ` Xunlei Pang
2017-02-17 1:53 ` Xunlei Pang
2017-02-17 9:07 ` Borislav Petkov
2017-02-17 9:07 ` Borislav Petkov
2017-02-17 16:21 ` Xunlei Pang
2017-02-17 16:21 ` Xunlei Pang
2017-02-21 18:20 ` Luck, Tony
2017-02-21 18:20 ` Luck, Tony
2017-02-22 5:50 ` Xunlei Pang
2017-02-22 5:50 ` Xunlei Pang
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