From: Meelis Roos <mroos@ut.ee>
To: linux-mm@vger.kernel.org
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>,
sparclinux@vger.kernel.org
Subject: Re: THP bug and crash on sparc64 3.8
Date: Tue, 19 Feb 2013 14:05:42 +0200 (EET) [thread overview]
Message-ID: <alpine.SOC.1.00.1302191405140.10147@math.ut.ee> (raw)
In-Reply-To: <alpine.SOC.1.00.1302191350280.10147@math.ut.ee>
(Resent to correct cparclinux address)
> I am receiving this with 3.8.0 on Sun E420R (4G RAM, 4 CPUs). System
> hangs after logging this to syslog. It was busy running ap at the
> moment of crash.
>
> CONFIG_TRANSPARENT_HUGEPAGE=y
> CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
> # CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set
>
> BUG: sleeping function called from invalid context at mm/slub.c:925
> in_atomic(): 1, irqs_disabled(): 0, pid: 327, name: khugepaged
> 2 locks held by khugepaged/327:
> #0: (&mm->mmap_sem){++++++}, at: [<0000000000516964>]
> khugepaged+0x624/0xf80
> #1: (&(&mm->page_table_lock)->rlock){+.+.+.}, at: [<0000000000517078>]
> khugepaged+0xd38/0xf
>
> Call Trace:
> [0000000000488d9c] __might_sleep+0x13c/0x240
> [000000000051204c] kmem_cache_alloc+0xcc/0x120
> [000000000044bfc0] tsb_grow+0x80/0x480
> [000000000044e814] hugetlb_setup+0x14/0xc0
> [000000000044bcb0] set_pmd_at+0x110/0x120
> [00000000005170b8] khugepaged+0xd78/0xf80
> [000000000047e508] kthread+0x88/0xa0
> [00000000004060a4] ret_from_syscall+0x1c/0x2c
> [0000000000000000] (null)
>
--
Meelis Roos (mroos@ut.ee) http://www.cs.ut.ee/~mroos/
next prev parent reply other threads:[~2013-02-19 12:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-19 11:56 Meelis Roos
2013-02-19 12:05 ` Meelis Roos [this message]
2013-02-19 18:17 ` David Miller
2013-02-19 19:33 ` David Miller
2013-02-19 19:37 ` David Rientjes
2013-02-19 19:46 ` David Miller
2013-02-20 6:41 ` David Miller
2013-02-20 13:35 ` Meelis Roos
2013-02-20 17:50 ` David Miller
2013-02-20 21:34 ` David Miller
2013-06-26 20:56 ` Meelis Roos
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