From: Meelis Roos <mroos@linux.ee>
To: linux-mm@vger.kernel.org
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>,
sparclinux@vgker.kernel.org
Subject: THP bug and crash on sparc64 3.8
Date: Tue, 19 Feb 2013 13:56:53 +0200 (EET) [thread overview]
Message-ID: <alpine.SOC.1.00.1302191350280.10147@math.ut.ee> (raw)
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@linux.ee)
next reply other threads:[~2013-02-19 11:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-19 11:56 Meelis Roos [this message]
2013-02-19 12:05 ` Meelis Roos
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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