linux-kernel - [-mm] BUG: sleeping function called from invalid context at include/linux/pagemap.h:290

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Message-ID: <486C74B1.3000007@cn.fujitsu.com>
Date:	Thu, 03 Jul 2008 14:41:53 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	LKML <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>, npiggin@...e.de,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Rik Van Riel <riel@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Subject: [-mm] BUG: sleeping function called from invalid context at include/linux/pagemap.h:290


Seems the problematic patch is :
mmap-handle-mlocked-pages-during-map-remap-unmap.patch

I'm using mmotm uploaded yesterday by Andrew, so I guess this bug
has not been fixed ?

BUG: sleeping function called from invalid context at include/linux/pagemap.h:290
in_atomic():1, irqs_disabled():0
no locks held by gpg-agent/2134.
Pid: 2134, comm: gpg-agent Not tainted 2.6.26-rc8-mm1 #11
 [<c0421d38>] __might_sleep+0xbe/0xc5
 [<c04770a2>] __munlock_pte_handler+0x3c/0x9e
 [<c047c11f>] walk_page_range+0x15b/0x1b4
 [<c0477048>] __munlock_vma_pages_range+0x4e/0x5b
 [<c0476f0c>] ? __munlock_pmd_handler+0x0/0x10
 [<c0477066>] ? __munlock_pte_handler+0x0/0x9e
 [<c0477064>] munlock_vma_pages_range+0xf/0x11
 [<c0477dcb>] exit_mmap+0x32/0xf2
 [<c042ac12>] ? exit_mm+0xc7/0xda
 [<c042732a>] mmput+0x3a/0x8b
 [<c042ac20>] exit_mm+0xd5/0xda
 [<c042bf6a>] do_exit+0x1fb/0x5d5
 [<c045c4df>] ? audit_syscall_exit+0x2aa/0x2c5
 [<c042c3a3>] do_group_exit+0x5f/0x88
 [<c042c3db>] sys_exit_group+0xf/0x11
 [<c0403956>] syscall_call+0x7/0xb
 =======================
BUG: scheduling while atomic: gpg-agent/2134/0x10000001
no locks held by gpg-agent/2134.
Modules linked in: bridge llc dm_mod sg r8169 sata_sis pata_sis ata_generic libata sd_mod scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd [last unloaded: scsi_wait_scan]
Pid: 2134, comm: gpg-agent Not tainted 2.6.26-rc8-mm1 #11
 [<c0424d16>] __schedule_bug+0x5e/0x65
 [<c05fb1d6>] schedule+0x85/0x7f2
 [<c0404955>] ? show_trace_log_lvl+0x20/0x28
 [<c0404ff8>] ? show_trace+0x10/0x14
 [<c040591c>] ? dump_stack+0x5b/0x65
 [<c0424f26>] __cond_resched+0x25/0x3b
 [<c05fb9a6>] _cond_resched+0x24/0x2f
 [<c04770a7>] __munlock_pte_handler+0x41/0x9e
 [<c047c11f>] walk_page_range+0x15b/0x1b4
 [<c0477048>] __munlock_vma_pages_range+0x4e/0x5b
 [<c0476f0c>] ? __munlock_pmd_handler+0x0/0x10
 [<c0477066>] ? __munlock_pte_handler+0x0/0x9e
 [<c0477064>] munlock_vma_pages_range+0xf/0x11
 [<c0477dcb>] exit_mmap+0x32/0xf2
 [<c042ac12>] ? exit_mm+0xc7/0xda
 [<c042732a>] mmput+0x3a/0x8b
 [<c042ac20>] exit_mm+0xd5/0xda
 [<c042bf6a>] do_exit+0x1fb/0x5d5
 [<c045c4df>] ? audit_syscall_exit+0x2aa/0x2c5
 [<c042c3a3>] do_group_exit+0x5f/0x88
 [<c042c3db>] sys_exit_group+0xf/0x11
 [<c0403956>] syscall_call+0x7/0xb
 =======================
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