From: "Toralf Förster" <toralf.foerster@gmx.de>
To: richard -rw- weinberger <richard.weinberger@gmail.com>
Cc: linux-mm@kvack.org, user-mode-linux-user@lists.sourceforge.net,
Dave Jones <davej@redhat.com>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: SLUB + UML : WARNING: at mm/page_alloc.c:2386
Date: Thu, 14 Mar 2013 21:58:31 +0100 [thread overview]
Message-ID: <514239F7.3050704@gmx.de> (raw)
In-Reply-To: <CAFLxGvyzkSsUJQMefeB2PcVBykZNqCQe5k19k0MqyVr111848w@mail.gmail.com>
On 03/14/2013 09:51 PM, richard -rw- weinberger wrote:
> Can you please re-run with the attached patch.
> I'm wondering how much memory is requested.
>>From reading the source I'd say it must be less than PAGE_SIZE.
> But such a small allocation would not trigger the WARN_ON()...
2013-03-14T21:56:58.000+01:00 trinity sshd[1158]: pam_unix(sshd:session): session opened for user tfoerste by (uid=0)
2013-03-14T21:56:59.852+01:00 trinity kernel: memdup_user: -14
2013-03-14T21:56:59.852+01:00 trinity kernel: ------------[ cut here ]------------
2013-03-14T21:56:59.852+01:00 trinity kernel: WARNING: at mm/page_alloc.c:2386 __alloc_pages_nodemask+0x153/0x750()
2013-03-14T21:56:59.852+01:00 trinity kernel: 38bfbd14: [<08342dd8>] dump_stack+0x22/0x24
2013-03-14T21:56:59.852+01:00 trinity kernel: 38bfbd2c: [<0807d0da>] warn_slowpath_common+0x5a/0x80
2013-03-14T21:56:59.852+01:00 trinity kernel: 38bfbd54: [<0807d1a3>] warn_slowpath_null+0x23/0x30
2013-03-14T21:56:59.852+01:00 trinity kernel: 38bfbd64: [<080d3213>] __alloc_pages_nodemask+0x153/0x750
2013-03-14T21:56:59.852+01:00 trinity kernel: 38bfbdf0: [<080d3838>] __get_free_pages+0x28/0x50
2013-03-14T21:56:59.852+01:00 trinity kernel: 38bfbe08: [<080fc48f>] __kmalloc_track_caller+0x3f/0x180
2013-03-14T21:56:59.852+01:00 trinity kernel: 38bfbe30: [<080dec82>] memdup_user+0x32/0x70
2013-03-14T21:56:59.853+01:00 trinity kernel: 38bfbe4c: [<080dee7e>] strndup_user+0x3e/0x60
2013-03-14T21:56:59.853+01:00 trinity kernel: 38bfbe68: [<0811b440>] copy_mount_string+0x30/0x50
2013-03-14T21:56:59.853+01:00 trinity kernel: 38bfbe7c: [<0811be0a>] sys_mount+0x1a/0xe0
2013-03-14T21:56:59.853+01:00 trinity kernel: 38bfbeac: [<08062a92>] handle_syscall+0x82/0xb0
2013-03-14T21:56:59.853+01:00 trinity kernel: 38bfbef4: [<08074e7d>] userspace+0x46d/0x590
2013-03-14T21:56:59.853+01:00 trinity kernel: 38bfbfec: [<0805f7cc>] fork_handler+0x6c/0x70
2013-03-14T21:56:59.853+01:00 trinity kernel: 38bfbffc: [<5a5a5a5a>] 0x5a5a5a5a
2013-03-14T21:56:59.853+01:00 trinity kernel:
2013-03-14T21:56:59.853+01:00 trinity kernel: ---[ end trace 5bf182a223bd623c ]---
2013-03-14T21:56:59.853+01:00 trinity kernel: memdup_user: -14
2013-03-14T21:56:59.942+01:00 trinity kernel: VFS: Warning: trinity-child0 using old stat() call. Recompile your binary.
2013-03-14T21:56:59.942+01:00 trinity kernel: VFS: Warning: trinity-child0 using old stat() call. Recompile your binary.
2013-03-14T21:56:59.942+01:00 trinity kernel: VFS: Warning: trinity-child0 using old stat() call. Recompile your binary.
2013-03-14T21:57:01.000+01:00 trinity sshd[1160]: Received disconnect from 192.168.0.254: 11: disconnected by user
2013-03-14T21:57:01.000+01:00 trinity sshd[1158]: pam_unix(sshd:session): session closed for user tfoerste
2013-03-14T21:57:09.087+01:00 trinity kernel: memdup_user: -14
2013-03-14T21:57:18.191+01:00 trinity kernel: memdup_user: 4089
2013-03-14T21:57:26.236+01:00 trinity kernel: memdup_user: 28
--
MfG/Sincerely
Toralf FA?rster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
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next prev parent reply other threads:[~2013-03-14 20:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-14 19:07 SLAB " Toralf Förster
2013-03-14 19:53 ` richard -rw- weinberger
2013-03-14 20:51 ` richard -rw- weinberger
2013-03-14 20:58 ` Toralf Förster [this message]
2013-03-14 21:21 ` SLUB " Dave Jones
2013-03-14 21:24 ` Toralf Förster
2013-03-14 23:10 ` richard -rw- weinberger
2013-03-15 18:44 ` Toralf Förster
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