From: Vitezslav Samel <vitezslav@samel.cz>
To: Borislav Petkov <bp@suse.de>
Cc: Ashok Raj <ashok.raj@intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: 4.15.17 regression: bisected: timeout during microcode update
Date: Wed, 18 Apr 2018 14:08:40 +0200 [thread overview]
Message-ID: <20180418120839.GA5655@pc11.op.pod.cz> (raw)
In-Reply-To: <20180418100721.GA5866@pd.tnic>
On Wed, Apr 18, 2018 at 12:07:21PM +0200, Borislav Petkov wrote:
> On Wed, Apr 18, 2018 at 10:11:40AM +0200, Vitezslav Samel wrote:
> > Could be done anything to prevent this panic?
>
> Yes, for starters, is there anything preventing you from using an initrd
> and doing early microcode loading?
>
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/x86/microcode.txt
>
> If no, consider doing that and not using the late method which is
> problematic at best.
I switched to firmware-in-kernel early loading and that works OK.
But still, the reported issue is regression in 4.15.17 and 4.16+.
Thanks,
Vita
next prev parent reply other threads:[~2018-04-18 12:08 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-18 8:11 4.15.17 regression: bisected: timeout during microcode update Vitezslav Samel
2018-04-18 10:07 ` Borislav Petkov
2018-04-18 12:08 ` Vitezslav Samel [this message]
2018-04-18 12:22 ` Borislav Petkov
2018-04-18 13:53 ` Raj, Ashok
2018-04-18 16:14 ` Borislav Petkov
2018-04-19 5:35 ` Vitezslav Samel
2018-04-19 7:22 ` Raj, Ashok
2018-04-19 10:48 ` Borislav Petkov
2018-04-19 12:02 ` Vitezslav Samel
2018-04-19 12:18 ` Borislav Petkov
2018-04-19 12:32 ` Raj, Ashok
2018-04-19 13:48 ` Vitezslav Samel
2018-04-19 13:46 ` Vitezslav Samel
2018-04-19 16:37 ` Borislav Petkov
2018-04-20 6:20 ` Vitezslav Samel
2018-04-20 9:52 ` Borislav Petkov
2018-04-20 10:01 ` Vitezslav Samel
2018-04-20 10:32 ` Borislav Petkov
2018-04-20 10:34 ` [PATCH 1/2] x86/microcode/intel: Save microcode patch unconditionally Borislav Petkov
2018-04-20 10:54 ` Vitezslav Samel
2018-04-20 15:59 ` Raj, Ashok
2018-04-20 10:37 ` [PATCH 2/2] x86/microcode: Do not exit early from __reload_late() Borislav Petkov
2018-04-20 10:54 ` Vitezslav Samel
2018-04-20 16:00 ` Raj, Ashok
2018-04-21 8:19 ` [PATCH 1/2] x86/microcode/intel: Save microcode patch unconditionally Borislav Petkov
2018-04-21 8:19 ` [PATCH 2/2] x86/microcode: Do not exit early from __reload_late() Borislav Petkov
2018-04-24 7:52 ` [tip:x86/urgent] " tip-bot for Borislav Petkov
2018-04-24 7:51 ` [tip:x86/urgent] x86/microcode/intel: Save microcode patch unconditionally tip-bot for Borislav Petkov
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