From: konrad wilk <konrad.wilk@oracle.com>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
xen-devel <xen-devel@lists.xen.org>
Subject: Re: [BUG] Bad page map in process after migration (Debian #711249)
Date: Tue, 11 Jun 2013 13:01:31 -0400 [thread overview]
Message-ID: <51B757EB.2050707@oracle.com> (raw)
In-Reply-To: <1370969055.24512.346.camel@zakaz.uk.xensource.com>
On 6/11/2013 12:44 PM, Ian Campbell wrote:
> A Debian user has reported this with the 3.2 kernel, it sounds vaguely
> familiar, but neither I nor google can quite put my finger on it. Does
> it ring any bells?
>
> [1295549.783990] BUG: Bad page map in process java pte:00000166 pmd:3bacb067
> [1295549.784005] page:ffffea0000000000 count:-1 mapcount:-128 mapping: (null) index:0x0
> [1295549.784036] page flags: 0x14(referenced|dirty)
> [1295549.784044] addr:00007f879a6a2000 vm_flags:00100077 anon_vma:ffff88003cb472a0 mapping: (null) index:7f879a6a2
> [1295549.784052] Pid: 13198, comm: java Not tainted 3.2.0-4-amd64 #1 Debian 3.2.41-2+deb7u2
> [1295549.784058] Call Trace:
> [1295549.784070] [<ffffffff810ce1f5>] ? print_bad_pte+0x1a5/0x1bd
> [1295549.784075] [<ffffffff810cde55>] ? pte_pfn+0x5/0xe
> [1295549.784083] [<ffffffff810cfe5c>] ? unmap_vmas+0x4d5/0x6ca
> [1295549.784095] [<ffffffff810d00e1>] ? zap_page_range+0x90/0xb8
> [1295549.784108] [<ffffffff810d5ce0>] ? mmap_region+0x353/0x44a
> [1295549.784122] [<ffffffff81036428>] ? should_resched+0x5/0x23
> [1295549.784133] [<ffffffff810cdba2>] ? sys_madvise+0x3d2/0x5fc
> [1295549.784147] [<ffffffff81053e6c>] ? recalc_sigpending+0x23/0x3c
> [1295549.784156] [<ffffffff81054518>] ? __set_task_blocked+0x5e/0x65
> [1295549.784168] [<ffffffff81052e40>] ? spin_unlock_irq+0xa/0xb
> [1295549.784178] [<ffffffff8105601c>] ? sigprocmask+0x5c/0x63
> [1295549.784191] [<ffffffff813529d2>] ? system_call_fastpath+0x16/0x1b
> [1295549.784201] Disabling lock debugging due to kernel taint
>
> There's a bit more info and a full dmesg in
> http://bugs.debian.org/711249
Thank you.
Boris,
Did you fix a similar issue in v3.9? There was the cgroup one which I
thought had a similar back-track?
next prev parent reply other threads:[~2013-06-11 17:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-11 16:44 [BUG] Bad page map in process after migration (Debian #711249) Ian Campbell
2013-06-11 17:01 ` konrad wilk [this message]
2013-06-11 17:22 ` Boris Ostrovsky
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