linux-kernel - Re: [crash] PANIC: double fault, error

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Message-ID: <78dc56cf-b821-b015-3f9b-bacdf1e59088@intel.com>
Date:   Fri, 24 Nov 2017 20:15:31 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     Dave Hansen <dave.hansen@...ux.intel.com>,
        Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
        Andy Lutomirski <luto@...nel.org>
Cc:     Andy Lutomirski <luto@...capital.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        "H . Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Borislav Petkov <bp@...en8.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [crash] PANIC: double fault, error_code: 0x0

On 11/24/2017 08:09 PM, Dave Hansen wrote:
> Doesn't this stack trace mean we started C-code page fault handing on
> the sysenter stack?  Seems like we missed a switch to the process stack.
... and probably a KAISER switch to the kernel CR3.