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SubjectRe: [Bug 201637] New: hangup sinse 'x86/mm: Expand static page table for fixmap space' with CONFIG_RANDOMIZE_BASE enabled

(switched to email. Please respond via emailed reply-to-all, not via the
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On Thu, 08 Nov 2018 13:48:25 +0000 bugzilla-daemon@bugzilla.kernel.org wrote:

> https://bugzilla.kernel.org/show_bug.cgi?id=201637
>
> Bug ID: 201637
> Summary: hangup sinse 'x86/mm: Expand static page table for
> fixmap space' with CONFIG_RANDOMIZE_BASE enabled
> Product: Memory Management
> Version: 2.5
> Kernel Version: 4.9.133
> Hardware: All
> OS: Linux
> Tree: Mainline
> Status: NEW
> Severity: high
> Priority: P1
> Component: Other
> Assignee: akpm@linux-foundation.org
> Reporter: boyarsh@altlinux.org
> Regression: No
>
> I have early kernel hungup on x86_64 since 4.9.133 and i've finaly bisected it.
>
> This commit is incompatible with CONFIG_RANDOMIZE_BASE enabled and cause
> immediate silent hangup during boot.
>
> commit 3a8304b7ad2e291777e8499e39390145d932a2fd
> Author: Feng Tang <feng.tang@intel.com>
> Date: Thu Sep 20 10:58:28 2018 +0800
>
> x86/mm: Expand static page table for fixmap space
>
> commit 05ab1d8a4b36ee912b7087c6da127439ed0a903e upstream.
>
> We met a kernel panic when enabling earlycon, which is due to the fixmap
> address of earlycon is not statically setup.
>
> --
> You are receiving this mail because:
> You are the assignee for the bug.

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