From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Srivatsa S. Bhat" Subject: Freezing of tasks failed after 20.01 seconds in 3.2.0-rc4+ (Linus GIT af968e2) Date: Wed, 28 Dec 2011 11:28:07 +0530 Message-ID: <4EFAAFEF.6070503@linux.vnet.ibm.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Tejun Heo , Jeff Layton , Linux PM mailing list , linux-kernel , "pavel@ucw.cz" , Miles Lane , linux-fsdevel@vger.kernel.org To: "Rafael J. Wysocki" Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org Hi, Miles Lane (in CC) hit freezing failures in 3.2.0-rc4+ (Linus GIT af968e2) while trying to suspend the machine. Here is the log: [ 4040.037426] Freezing user space processes ... [ 4060.048526] Freezing of tasks failed after 20.01 seconds (2 tasks refusing to freeze, wq_busy=0): [ 4060.048534] Xorg D ffffffff81806240 0 901 847 0x00c00004 [ 4060.048538] ffff8800c3877628 0000000000000086 0000000000000082 ffff8800c38775d8 [ 4060.048551] ffff8800c3877fd8 ffff8800c3877fd8 ffff8800c3877fd8 00000000000136c0 [ 4060.048553] ffff880118b3dc40 ffff8800c2cc1710 ffff8800c38775f8 ffff88011fb13f80 [ 4060.048556] Call Trace: [ 4060.048562] [] ? __wait_on_buffer+0x30/0x30 [ 4060.048565] [] schedule+0x3f/0x60 [ 4060.048567] [] io_schedule+0x8f/0xd0 [ 4060.048569] [] sleep_on_buffer+0xe/0x20 [ 4060.048571] [] __wait_on_bit+0x5f/0x90 [ 4060.048574] [] ? generic_make_request+0x68/0x70 [ 4060.048577] [] ? __wait_on_buffer+0x30/0x30 [ 4060.048579] [] out_of_line_wait_on_bit+0x7c/0x90 [ 4060.048582] [] ? autoremove_wake_function+0x40/0x40 [ 4060.048584] [] __wait_on_buffer+0x2e/0x30 [ 4060.048587] [] __bread+0x71/0xb0 [ 4060.048590] [] ext3_get_branch+0x8b/0x150 [ 4060.048593] [] ext3_get_blocks_handle+0x1a2/0x650 [ 4060.048595] [] ? block_read_full_page+0x225/0x390 [ 4060.048598] [] ext3_get_block+0xc4/0x120 [ 4060.048600] [] do_mpage_readpage+0x3b2/0x550 [ 4060.048604] [] ? add_to_page_cache_locked+0x85/0xa0 [ 4060.048606] [] mpage_readpages+0xee/0x140 [ 4060.048608] [] ? ext3_get_blocks_handle+0x650/0x650 [ 4060.048610] [] ? __alloc_pages_nodemask+0x10e/0x820 [ 4060.048613] [] ? ext3_get_blocks_handle+0x650/0x650 [ 4060.048615] [] ext3_readpages+0x1d/0x20 [ 4060.048617] [] read_pages+0x48/0x100 [ 4060.048619] [] __do_page_cache_readahead+0x163/0x180 [ 4060.048621] [] ra_submit+0x21/0x30 [ 4060.048625] [] do_sync_mmap_readahead.isra.24+0x94/0x9c [ 4060.048627] [] filemap_fault+0x361/0x3e0 [ 4060.048642] [] ? drm_mm_kmalloc+0x6c/0xe0 [drm] [ 4060.048646] [] __do_fault+0x72/0x550 [ 4060.048649] [] ? prio_tree_insert+0x12b/0x1a0 [ 4060.048651] [] handle_pte_fault+0xfa/0x200 [ 4060.048653] [] handle_mm_fault+0x1f8/0x350 [ 4060.048661] [] ? i915_gem_object_set_to_gtt_domain+0x80/0x80 [i915] [ 4060.048664] [] do_page_fault+0x150/0x520 [ 4060.048668] [] ? __switch_to+0x1ea/0x310 [ 4060.048670] [] ? set_next_entity+0xad/0xd0 [ 4060.048673] [] ? do_vfs_ioctl+0x8a/0x340 [ 4060.048675] [] ? __schedule+0x3cc/0x6f0 [ 4060.048677] [] page_fault+0x25/0x30 [ 4060.048685] gnome-settings- D 0000000000000001 0 1406 1344 0x00800004 [ 4060.048687] ffff8800bd305628 0000000000000082 0000000000000082 ffff8800bd3055d8 [ 4060.048689] ffff8800bd305fd8 ffff8800bd305fd8 ffff8800bd305fd8 00000000000136c0 [ 4060.048692] ffff8800885cdc40 ffff8800c1228000 ffff8800bd3055f8 ffff88011fa93f80 [ 4060.048694] Call Trace: [ 4060.048696] [] ? __wait_on_buffer+0x30/0x30 [ 4060.048698] [] schedule+0x3f/0x60 [ 4060.048700] [] io_schedule+0x8f/0xd0 [ 4060.048702] [] sleep_on_buffer+0xe/0x20 [ 4060.048704] [] __wait_on_bit+0x5f/0x90 [ 4060.048706] [] ? generic_make_request+0x68/0x70 [ 4060.048708] [] ? __wait_on_buffer+0x30/0x30 [ 4060.048710] [] out_of_line_wait_on_bit+0x7c/0x90 [ 4060.048712] [] ? autoremove_wake_function+0x40/0x40 [ 4060.048714] [] __wait_on_buffer+0x2e/0x30 [ 4060.048716] [] __bread+0x71/0xb0 [ 4060.048719] [] ext3_get_branch+0x8b/0x150 [ 4060.048721] [] ext3_get_blocks_handle+0x1a2/0x650 [ 4060.048724] [] ? __wake_up+0x53/0x70 [ 4060.048727] [] ? loop_make_request+0xe5/0x120 [ 4060.048729] [] ? generic_make_request.part.50+0x74/0xb0 [ 4060.048732] [] ext3_get_block+0xc4/0x120 [ 4060.048734] [] do_mpage_readpage+0x3b2/0x550 [ 4060.048736] [] ? add_to_page_cache_locked+0x85/0xa0 [ 4060.048738] [] mpage_readpages+0xee/0x140 [ 4060.048740] [] ? ext3_get_blocks_handle+0x650/0x650 [ 4060.048742] [] ? __alloc_pages_nodemask+0x10e/0x820 [ 4060.048744] [] ? ext3_get_blocks_handle+0x650/0x650 [ 4060.048747] [] ? mutex_lock+0x1d/0x50 [ 4060.048749] [] ext3_readpages+0x1d/0x20 [ 4060.048751] [] read_pages+0x48/0x100 [ 4060.048753] [] __do_page_cache_readahead+0x163/0x180 [ 4060.048755] [] ra_submit+0x21/0x30 [ 4060.048757] [] do_sync_mmap_readahead.isra.24+0x94/0x9c [ 4060.048759] [] filemap_fault+0x361/0x3e0 [ 4060.048761] [] ? __pollwait+0xf0/0xf0 [ 4060.048764] [] __do_fault+0x72/0x550 [ 4060.048766] [] handle_pte_fault+0xfa/0x200 [ 4060.048767] [] handle_mm_fault+0x1f8/0x350 [ 4060.048769] [] do_page_fault+0x150/0x520 [ 4060.048773] [] ? security_file_permission+0x93/0xb0 [ 4060.048777] [] ? rw_verify_area+0x61/0xf0 [ 4060.048778] [] ? vfs_read+0x165/0x180 [ 4060.048780] [] page_fault+0x25/0x30 Regards, Srivatsa S. Bhat