linux-kernel - Re: [BUG] Crash on x86_32 for: mm: page_alloc: avoid merging non-fallbackable pageblocks with others

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Message-ID: <20220330175725.7c6ce58d@gandalf.local.home>
Date:   Wed, 30 Mar 2022 17:57:25 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Zi Yan <ziy@...dia.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Mel Gorman <mgorman@...hsingularity.net>,
        David Hildenbrand <david@...hat.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Oscar Salvador <osalvador@...e.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux-MM <linux-mm@...ck.org>
Subject: Re: [BUG] Crash on x86_32 for: mm: page_alloc: avoid merging
 non-fallbackable pageblocks with others

On Wed, 30 Mar 2022 17:25:28 -0400
Zi Yan <ziy@...dia.com> wrote:

> pr_info("buddy_pfn: %lx, PageBuddy: %d, buddy_order: %d (vs %d), page_zone_id: %d (vs %d)\n",
>         buddy_pfn, PageBuddy(buddy), buddy_order(buddy), order, page_zone_id(buddy),
>         page_zone_id(page));

Attached (came from ktest log, not actual dmesg).

-- Steve

Download attachment "dmesg" of type "application/octet-stream" (427004 bytes)