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From: "Michal Koutný" <mkoutny-IBi9RG/b67k@public.gmane.org>
To: Anatoly Pugachev <matorola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Vasily Averin <vvs-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	kernel-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org,
	Linux Kernel list
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-mm <linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org>,
	Shakeel Butt <shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Roman Gushchin
	<roman.gushchin-fxUVXftIFDnyG1zEObXtfA@public.gmane.org>,
	Vlastimil Babka <vbabka-AlSwsSmVLrQ@public.gmane.org>,
	Michal Hocko <mhocko-IBi9RG/b67k@public.gmane.org>,
	Florian Westphal <fw-HFFVJYpyMKqzQB+pC5nmwQ@public.gmane.org>,
	"David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
	Jakub Kicinski <kuba-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Paolo Abeni <pabeni-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Eric Dumazet <edumazet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Sparc kernel list
	<sparclinux-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [sparc64] fails to boot, (was: Re: [PATCH memcg v6] net: set proper memcg for net_init hooks allocations)
Date: Wed, 21 Sep 2022 19:02:59 +0200	[thread overview]
Message-ID: <20220921170259.GI8331@blackbody.suse.cz> (raw)
In-Reply-To: <CADxRZqyyHAtzaaPjcKi8AichGew2yi-_vQcKoLoxPanLvXZL0g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

Hello.

Thanks for the report.

On Wed, Sep 21, 2022 at 05:44:56PM +0300, Anatoly Pugachev <matorola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> On Sun, Sep 18, 2022 at 12:39 PM Anatoly Pugachev <matorola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> >
> >
> > I'm unable to boot my sparc64 VM anymore (5.19 still boots, 6.0-rc1 does not),
> > bisected up to this patch,
> >
> > mator@ttip:~/linux-2.6$ git bisect bad
> > 1d0403d20f6c281cb3d14c5f1db5317caeec48e9 is the first bad commit
> > commit 1d0403d20f6c281cb3d14c5f1db5317caeec48e9
> 
> reverting this patch makes my sparc64 box boot successfully.

The failed address falls into vmmemmap region (per your boot log
output). It looks like the respective page/folio (of init_net struct) is
unbacked there (and likely folio_test_slab fails dereferencing ->flags). 

Would you mind sharing your kernel's config?
(I'm most curious about CONFIG_SPARSMEM_VMEMMAP, I'm not familiar with
your arch at all though.)

Thanks,
Michal

  parent reply	other threads:[~2022-09-21 17:02 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <46c1c59e-1368-620d-e57a-f35c2c82084d@linux.dev>
2022-04-17  6:39 ` [PATCH memcg RFC] net: set proper memcg for net_init hooks allocations Vasily Averin
2022-04-21 15:56   ` Shakeel Butt
2022-04-22 20:01     ` Vasily Averin
2022-04-22 20:09       ` Vasily Averin
2022-04-22 20:22         ` Shakeel Butt
     [not found]           ` <CALvZod7ys1SNrQhbweCoCKVyfN1itE16jhC97TqjWtHDFh1RpQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-04-23  7:56             ` [PATCH] " Vasily Averin
     [not found]               ` <6f38e02b-9af3-4dcf-9000-1118a04b13c7-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-04-23  9:39                 ` kernel test robot
2022-04-23  9:39                 ` kernel test robot
2022-04-23 10:31               ` kernel test robot
2022-04-23 15:38                 ` [PATCH memcg v2] " Vasily Averin
2022-04-24 14:46               ` [net] 3b379e5391: BUG:kernel_NULL_pointer_dereference,address kernel test robot
2022-04-25 10:56                 ` [PATCH memcg v3] net: set proper memcg for net_init hooks allocations Vasily Averin
2022-04-26  2:50                   ` Roman Gushchin
2022-04-26  5:58                     ` Vasily Averin
2022-04-26  6:43                     ` [PATCH memcg v4] " Vasily Averin
     [not found]                       ` <33085523-a8b9-1bf6-2726-f456f59015ef-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-04-26 22:13                         ` Roman Gushchin
2022-04-27  5:23                       ` Shakeel Butt
     [not found]                         ` <CALvZod4oaj9MpBDVUp9KGmnqu4F3UxjXgOLkrkvmRfFjA7F1dw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-04-27 12:22                           ` Michal Koutný
     [not found]                             ` <20220427122232.GA9823-9OudH3eul5jcvrawFnH+a6VXKuFTiq87@public.gmane.org>
2022-04-27 15:06                               ` Shakeel Butt
2022-04-27 22:16                                 ` Vasily Averin
2022-04-27 22:36                                   ` Roman Gushchin
2022-04-28  4:37                                     ` Vasily Averin
     [not found]                                   ` <6b18f82d-1950-b38e-f3f5-94f6c23f0edb-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-04-27 22:47                                     ` Shakeel Butt
     [not found]                                       ` <CALvZod5HugCO2G3+Av3pXC6s2sy0zKW_HRaRyhOO9GOOWV1SsQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-05-01 13:44                                         ` Vasily Averin
     [not found]                                           ` <78b556f9-e57b-325d-89ce-7a482ef4ea21-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-05-01 21:09                                             ` Roman Gushchin
2022-05-02  0:10                                       ` [PATCH memcg v5] " Vasily Averin
     [not found]                                         ` <0ccfe7a4-c178-0b66-d481-2326c85a8ffb-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-05-30  8:57                                           ` Vasily Averin
     [not found]                                             ` <6b362c6e-9c80-4344-9430-b831f9871a3c-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-06-03  4:19                                               ` [PATCH memcg v6] " Vasily Averin
     [not found]                                                 ` <f9394752-e272-9bf9-645f-a18c56d1c4ec-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-06-06 13:49                                                   ` Qian Cai
2022-06-06 17:37                                                     ` Vasily Averin
     [not found]                                                       ` <0e714a5a-d2ed-9b44-fdbe-04b5595165da-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-06-06 18:43                                                         ` Qian Cai
2022-06-06 18:45                                                     ` Vasily Averin
     [not found]                                                       ` <360a2672-65a7-4ad4-c8b8-cc4c1f0c02cd-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-06-07  5:58                                                         ` Shakeel Butt
     [not found]                                                           ` <CALvZod7+tpgKSQpMAgNKDtcsimcSjoh4rbKmUsy3G=QcRHci+Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-06-07 12:37                                                             ` Vasily Averin
     [not found]                                                               ` <183333fc-e824-5c85-7c44-270474f5473a-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-06-07 14:10                                                                 ` Shakeel Butt
2022-09-18  9:28                                                 ` [sparc64] fails to boot, (was: Re: [PATCH memcg v6] net: set proper memcg for net_init hooks allocations) Anatoly Pugachev
     [not found]                                                   ` <20220918092849.GA10314-DK4qA7C3Vp/Dd9xlW2Tctw@public.gmane.org>
2022-09-21 14:44                                                     ` Anatoly Pugachev
     [not found]                                                       ` <CADxRZqyyHAtzaaPjcKi8AichGew2yi-_vQcKoLoxPanLvXZL0g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-09-21 17:02                                                         ` Michal Koutný [this message]
     [not found]                                                           ` <20220921170259.GI8331-9OudH3eul5jcvrawFnH+a6VXKuFTiq87@public.gmane.org>
2022-09-26 13:06                                                             ` Anatoly Pugachev
     [not found]                                                               ` <CADxRZqyAG5Co9hLEp6p8vPC9WyGERR6un-3Rqapyv14G4vPXJw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-09-26 17:28                                                                 ` Jakub Kicinski
2022-09-26 17:32                                                                   ` Shakeel Butt
     [not found]                                                                     ` <CALvZod5QProaWZgT9ykb-vrrRHBpLfqVGgW2jd-Td8aX5MBZFw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-09-26 17:36                                                                       ` Andrew Morton
2022-09-26 19:00                                                                         ` Shakeel Butt
2022-09-27  9:54                                                   ` Vlastimil Babka
2022-09-28  7:54                                                     ` Thorsten Leemhuis
2022-09-28  7:21                                                   ` [sparc64] fails to boot, (was: Re: [PATCH memcg v6] net: set proper memcg for net_init hooks allocations) #forregzbot Thorsten Leemhuis

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