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From: Matthew Wilcox <willy@infradead.org>
To: Hannes Reinecke <hare@suse.com>
Cc: Sagi Grimberg <sagi@grimberg.me>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	linux-mm@kvack.org
Subject: Re: Kernel oops with 6.14 when enabling TLS
Date: Mon, 3 Mar 2025 13:57:59 +0000	[thread overview]
Message-ID: <Z8W1Z7m_fWse8KWz@casper.infradead.org> (raw)
In-Reply-To: <913d3824-04c7-4cb1-a87b-01f9241a37aa@suse.com>

On Mon, Mar 03, 2025 at 12:06:18PM +0100, Hannes Reinecke wrote:
> On 3/3/25 08:48, Hannes Reinecke wrote:
> > On 2/28/25 11:47, Hannes Reinecke wrote:
> > > Hi Sagi,
> > > 
> > > enabling TLS on latest linus tree reliably crashes my system:
> > > 
> > > [  487.018058] ------------[ cut here ]------------
> > > [  487.024046] WARNING: CPU: 9 PID: 6159 at mm/slub.c:4719
> > > free_large_kmalloc+0x15/0xa0
> [ .. ]
> > > 
> > > Haven't found a culprit for that one for now, started bisecting.
> > > Just wanted to report that as a heads-up, maybe you have some idea.
> > > 
> > 
> > bisect is pointing to
> > 9aec2fb0fd5e ("slab: allocate frozen pages")
> > and, indeed, reverting this patch on top of linus current resolves
> > the issue.
> > 
> > Sorry Matthew.
> > 
> It's getting even worse; after reverting above patch I'm getting a crash
> here:

If you revert that, you also need to revert 8c6e2d122b71.

But let me dig into the original problem.  The fact that it's
kmalloc_large might be a clue.


  parent reply	other threads:[~2025-03-03 13:58 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <08c29e4b-2f71-4b6d-8046-27e407214d8c@suse.com>
2025-03-03  7:48 ` Hannes Reinecke
2025-03-03 11:06   ` Hannes Reinecke
2025-03-03 12:57     ` Hannes Reinecke
2025-03-03 13:57     ` Matthew Wilcox [this message]
2025-03-03 14:05       ` Hannes Reinecke
2025-03-03 14:27   ` Matthew Wilcox
2025-03-03 14:42     ` Matthew Wilcox
2025-03-03 15:12       ` Vlastimil Babka
2025-03-03 15:39       ` Hannes Reinecke
2025-03-03 15:48         ` Matthew Wilcox
2025-03-03 16:15           ` Vlastimil Babka
2025-03-03 22:02             ` Vlastimil Babka
2025-03-04  7:58               ` Hannes Reinecke
2025-03-04  8:18                 ` Vlastimil Babka
2025-03-04 10:20                   ` Hannes Reinecke
2025-03-04 10:26                     ` Vlastimil Babka
2025-03-04 15:11                       ` Hannes Reinecke
2025-03-04 15:29                       ` Vlastimil Babka
2025-03-04 16:20                         ` Hannes Reinecke
2025-03-04 16:14                       ` Matthew Wilcox
2025-03-04 16:32                         ` Hannes Reinecke
2025-03-04 16:53                           ` Matthew Wilcox
2025-03-04 18:05                             ` Matthew Wilcox
2025-03-04 18:31                               ` Vlastimil Babka
2025-03-04 19:39                               ` Hannes Reinecke
2025-03-04 19:44                                 ` Vlastimil Babka
2025-03-05  7:14                                   ` Hannes Reinecke
2025-03-05  8:20                                   ` Hannes Reinecke
2025-03-05  8:58                                     ` Vlastimil Babka
2025-03-05 11:43                                       ` Hannes Reinecke
2025-03-05 18:11                                         ` Networking people smell funny and make poor life choices Matthew Wilcox
2025-03-06  0:46                                           ` Cong Wang
2025-03-12 15:09                                           ` Christoph Hellwig
2025-03-12 18:28                                             ` James R. Bergsten
2025-03-13  9:43                                           ` David Laight
2025-03-06  9:15                                         ` Kernel oops with 6.14 when enabling TLS Vlastimil Babka

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