Apologies for letting this one expire :( I tested with a Precise kernel (3.2.0-29), following this procedure: - Boot - Insert SD card, ensure it gets mounted and a nautilus windows opens - Open a terminal and run "sudo pm-suspend"
Result: The system doesn't enter suspend mode (no blinking power light), it just goes unresponsive with a black screen. I can SSH into it, and I was able to get this error trace from dmesg: [ 129.989786] EXT2-fs (mmcblk0p1): warning: mounting unchecked fs, running e2fsck is recommended [ 138.577570] PM: Syncing filesystems ... done. [ 138.600440] PM: Preparing system for mem sleep [ 139.095196] mmc0: card b368 removed [ 360.692751] INFO: task mmcqd/0:2477 blocked for more than 120 seconds. [ 360.692764] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 360.692774] mmcqd/0 D 0000000000000000 0 2477 2 0x00000000 [ 360.692784] ffff880041eabd90 0000000000000046 0000000000000082 ffff880070c3eafc [ 360.692793] ffff880041eabfd8 ffff880041eabfd8 ffff880041eabfd8 00000000000137c0 [ 360.692802] ffff880041df4500 ffff8800385c1700 ffff880041eabd80 ffff88007006aaf4 [ 360.692811] Call Trace: [ 360.692825] [<ffffffff8165b34f>] schedule+0x3f/0x60 [ 360.692834] [<ffffffff8150b1af>] __mmc_claim_host+0xaf/0x190 [ 360.692841] [<ffffffff810606a0>] ? try_to_wake_up+0x200/0x200 [ 360.692847] [<ffffffffa04431ba>] mmc_blk_issue_rq+0x21a/0x240 [mmc_block] [ 360.692852] [<ffffffff812f4cd3>] ? blk_start_request+0x33/0x50 [ 360.692856] [<ffffffffa0443838>] mmc_queue_thread+0x68/0x160 [mmc_block] [ 360.692860] [<ffffffffa04437d0>] ? mmc_alloc_sg+0x70/0x70 [mmc_block] [ 360.692865] [<ffffffff8108b27c>] kthread+0x8c/0xa0 [ 360.692874] [<ffffffff816679b4>] kernel_thread_helper+0x4/0x10 [ 360.692877] [<ffffffff8108b1f0>] ? flush_kthread_worker+0xa0/0xa0 [ 360.692880] [<ffffffff816679b0>] ? gs_change+0x13/0x13 [ 360.692883] INFO: task pm-suspend:2503 blocked for more than 120 seconds. [ 360.692886] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 360.692890] pm-suspend D 0000000000000000 0 2503 2502 0x00000000 [ 360.692894] ffff880059b238f8 0000000000000086 ffff880057373318 ffff8800365c4218 [ 360.692898] ffff880059b23fd8 ffff880059b23fd8 ffff880059b23fd8 00000000000137c0 [ 360.692902] ffff8800385c1700 ffff880038555c00 ffff880059b238d8 ffff880076c14080 [ 360.692906] Call Trace: [ 360.692910] [<ffffffff811aa180>] ? __wait_on_buffer+0x30/0x30 [ 360.692913] [<ffffffff8165b34f>] schedule+0x3f/0x60 [ 360.692916] [<ffffffff8165b3ff>] io_schedule+0x8f/0xd0 [ 360.692918] [<ffffffff811aa18e>] sleep_on_buffer+0xe/0x20 [ 360.692922] [<ffffffff8165baca>] __wait_on_bit_lock+0x5a/0xc0 [ 360.692924] [<ffffffff811aa180>] ? __wait_on_buffer+0x30/0x30 [ 360.692927] [<ffffffff8165bbac>] out_of_line_wait_on_bit_lock+0x7c/0x90 [ 360.692930] [<ffffffff8108bd60>] ? autoremove_wake_function+0x40/0x40 [ 360.692933] [<ffffffff811aa1d6>] __lock_buffer+0x36/0x40 [ 360.692937] [<ffffffff811ab7c5>] __sync_dirty_buffer+0xc5/0xd0 [ 360.692940] [<ffffffff811ab7e3>] sync_dirty_buffer+0x13/0x20 [ 360.692945] [<ffffffffa0450bf4>] ext2_sync_super+0xa4/0xf0 [ext2] [ 360.692949] [<ffffffffa0450ca7>] ext2_sync_fs+0x67/0x80 [ext2] [ 360.692955] [<ffffffff811d3dbd>] dquot_quota_sync+0x16d/0x310 [ 360.692961] [<ffffffff81119f2b>] ? __filemap_fdatawrite_range+0x5b/0x60 [ 360.692966] [<ffffffff811a7f7c>] __sync_filesystem+0x3c/0x90 [ 360.692969] [<ffffffff811a804b>] sync_filesystem+0x4b/0x70 [ 360.692972] [<ffffffff811b245d>] fsync_bdev+0x2d/0x60 [ 360.692976] [<ffffffff812fc8ed>] invalidate_partition+0x2d/0x60 [ 360.692979] [<ffffffff812fd7f0>] del_gendisk+0xa0/0x260 [ 360.692983] [<ffffffffa04411e9>] mmc_blk_remove_req+0x59/0x60 [mmc_block] [ 360.692986] [<ffffffffa0442302>] mmc_blk_remove+0x82/0xf0 [mmc_block] [ 360.692990] [<ffffffff8150cd17>] mmc_bus_remove+0x17/0x20 [ 360.692998] [<ffffffff813f73fc>] __device_release_driver+0x7c/0xe0 [ 360.693001] [<ffffffff813f748c>] device_release_driver+0x2c/0x40 [ 360.693003] [<ffffffff813f6f38>] bus_remove_device+0x78/0xb0 [ 360.693007] [<ffffffff813f450d>] device_del+0x12d/0x1b0 [ 360.693011] [<ffffffff8150d2af>] mmc_remove_card+0x5f/0xb0 [ 360.693014] [<ffffffff81511117>] mmc_sd_remove+0x27/0x40 [ 360.693017] [<ffffffff8150cca7>] mmc_pm_notify+0xe7/0x110 [ 360.693021] [<ffffffff8166116d>] notifier_call_chain+0x4d/0x70 [ 360.693025] [<ffffffff810914f8>] __blocking_notifier_call_chain+0x58/0x80 [ 360.693028] [<ffffffff81091536>] blocking_notifier_call_chain+0x16/0x20 [ 360.693032] [<ffffffff810ab1fa>] pm_notifier_call_chain+0x1a/0x30 [ 360.693035] [<ffffffff81645215>] suspend_prepare+0x34/0xa4 [ 360.693038] [<ffffffff810ac463>] enter_state+0x93/0x110 [ 360.693041] [<ffffffff810aae57>] state_store+0xb7/0x130 [ 360.693046] [<ffffffff8130ec7f>] kobj_attr_store+0xf/0x30 [ 360.693050] [<ffffffff811ed7cf>] sysfs_write_file+0xef/0x170 [ 360.693055] [<ffffffff81179573>] vfs_write+0xb3/0x180 [ 360.693058] [<ffffffff8117989a>] sys_write+0x4a/0x90 [ 360.693061] [<ffffffff81665842>] system_call_fastpath+0x16/0x1b [ 480.626525] INFO: task mmcqd/0:2477 blocked for more than 120 seconds. [ 480.626539] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 480.626549] mmcqd/0 D 0000000000000000 0 2477 2 0x00000000 [ 480.626559] ffff880041eabd90 0000000000000046 0000000000000082 ffff880070c3eafc [ 480.626568] ffff880041eabfd8 ffff880041eabfd8 ffff880041eabfd8 00000000000137c0 [ 480.626577] ffff880041df4500 ffff8800385c1700 ffff880041eabd80 ffff88007006aaf4 [ 480.626586] Call Trace: [ 480.626599] [<ffffffff8165b34f>] schedule+0x3f/0x60 [ 480.626611] [<ffffffff8150b1af>] __mmc_claim_host+0xaf/0x190 [ 480.626622] [<ffffffff810606a0>] ? try_to_wake_up+0x200/0x200 [ 480.626628] [<ffffffffa04431ba>] mmc_blk_issue_rq+0x21a/0x240 [mmc_block] [ 480.626633] [<ffffffff812f4cd3>] ? blk_start_request+0x33/0x50 [ 480.626637] [<ffffffffa0443838>] mmc_queue_thread+0x68/0x160 [mmc_block] [ 480.626641] [<ffffffffa04437d0>] ? mmc_alloc_sg+0x70/0x70 [mmc_block] [ 480.626646] [<ffffffff8108b27c>] kthread+0x8c/0xa0 [ 480.626651] [<ffffffff816679b4>] kernel_thread_helper+0x4/0x10 [ 480.626654] [<ffffffff8108b1f0>] ? flush_kthread_worker+0xa0/0xa0 [ 480.626657] [<ffffffff816679b0>] ? gs_change+0x13/0x13 [ 480.626660] INFO: task pm-suspend:2503 blocked for more than 120 seconds. [ 480.626664] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 480.626668] pm-suspend D 0000000000000000 0 2503 2502 0x00000000 [ 480.626671] ffff880059b238f8 0000000000000086 ffff880057373318 ffff8800365c4218 [ 480.626675] ffff880059b23fd8 ffff880059b23fd8 ffff880059b23fd8 00000000000137c0 [ 480.626679] ffff8800385c1700 ffff880038555c00 ffff880059b238d8 ffff880076c14080 [ 480.626683] Call Trace: [ 480.626687] [<ffffffff811aa180>] ? __wait_on_buffer+0x30/0x30 [ 480.626690] [<ffffffff8165b34f>] schedule+0x3f/0x60 [ 480.626693] [<ffffffff8165b3ff>] io_schedule+0x8f/0xd0 [ 480.626695] [<ffffffff811aa18e>] sleep_on_buffer+0xe/0x20 [ 480.626698] [<ffffffff8165baca>] __wait_on_bit_lock+0x5a/0xc0 [ 480.626701] [<ffffffff811aa180>] ? __wait_on_buffer+0x30/0x30 [ 480.626704] [<ffffffff8165bbac>] out_of_line_wait_on_bit_lock+0x7c/0x90 [ 480.626707] [<ffffffff8108bd60>] ? autoremove_wake_function+0x40/0x40 [ 480.626710] [<ffffffff811aa1d6>] __lock_buffer+0x36/0x40 [ 480.626714] [<ffffffff811ab7c5>] __sync_dirty_buffer+0xc5/0xd0 [ 480.626717] [<ffffffff811ab7e3>] sync_dirty_buffer+0x13/0x20 [ 480.626722] [<ffffffffa0450bf4>] ext2_sync_super+0xa4/0xf0 [ext2] [ 480.626726] [<ffffffffa0450ca7>] ext2_sync_fs+0x67/0x80 [ext2] [ 480.626732] [<ffffffff811d3dbd>] dquot_quota_sync+0x16d/0x310 [ 480.626738] [<ffffffff81119f2b>] ? __filemap_fdatawrite_range+0x5b/0x60 [ 480.626747] [<ffffffff811a7f7c>] __sync_filesystem+0x3c/0x90 [ 480.626750] [<ffffffff811a804b>] sync_filesystem+0x4b/0x70 [ 480.626753] [<ffffffff811b245d>] fsync_bdev+0x2d/0x60 [ 480.626758] [<ffffffff812fc8ed>] invalidate_partition+0x2d/0x60 [ 480.626761] [<ffffffff812fd7f0>] del_gendisk+0xa0/0x260 [ 480.626764] [<ffffffffa04411e9>] mmc_blk_remove_req+0x59/0x60 [mmc_block] [ 480.626768] [<ffffffffa0442302>] mmc_blk_remove+0x82/0xf0 [mmc_block] [ 480.626772] [<ffffffff8150cd17>] mmc_bus_remove+0x17/0x20 [ 480.626776] [<ffffffff813f73fc>] __device_release_driver+0x7c/0xe0 [ 480.626779] [<ffffffff813f748c>] device_release_driver+0x2c/0x40 [ 480.626782] [<ffffffff813f6f38>] bus_remove_device+0x78/0xb0 [ 480.626787] [<ffffffff813f450d>] device_del+0x12d/0x1b0 [ 480.626791] [<ffffffff8150d2af>] mmc_remove_card+0x5f/0xb0 [ 480.626794] [<ffffffff81511117>] mmc_sd_remove+0x27/0x40 [ 480.626797] [<ffffffff8150cca7>] mmc_pm_notify+0xe7/0x110 [ 480.626801] [<ffffffff8166116d>] notifier_call_chain+0x4d/0x70 [ 480.626806] [<ffffffff810914f8>] __blocking_notifier_call_chain+0x58/0x80 [ 480.626809] [<ffffffff81091536>] blocking_notifier_call_chain+0x16/0x20 [ 480.626814] [<ffffffff810ab1fa>] pm_notifier_call_chain+0x1a/0x30 [ 480.626818] [<ffffffff81645215>] suspend_prepare+0x34/0xa4 [ 480.626821] [<ffffffff810ac463>] enter_state+0x93/0x110 [ 480.626824] [<ffffffff810aae57>] state_store+0xb7/0x130 [ 480.626829] [<ffffffff8130ec7f>] kobj_attr_store+0xf/0x30 [ 480.626832] [<ffffffff811ed7cf>] sysfs_write_file+0xef/0x170 [ 480.626836] [<ffffffff81179573>] vfs_write+0xb3/0x180 [ 480.626839] [<ffffffff8117989a>] sys_write+0x4a/0x90 [ 480.626842] [<ffffffff81665842>] system_call_fastpath+0x16/0x1b [ 600.560302] INFO: task mmcqd/0:2477 blocked for more than 120 seconds. [ 600.560315] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 600.560325] mmcqd/0 D 0000000000000000 0 2477 2 0x00000000 [ 600.560335] ffff880041eabd90 0000000000000046 0000000000000082 ffff880070c3eafc [ 600.560344] ffff880041eabfd8 ffff880041eabfd8 ffff880041eabfd8 00000000000137c0 [ 600.560353] ffff880041df4500 ffff8800385c1700 ffff880041eabd80 ffff88007006aaf4 [ 600.560362] Call Trace: [ 600.560378] [<ffffffff8165b34f>] schedule+0x3f/0x60 [ 600.560390] [<ffffffff8150b1af>] __mmc_claim_host+0xaf/0x190 [ 600.560396] [<ffffffff810606a0>] ? try_to_wake_up+0x200/0x200 [ 600.560402] [<ffffffffa04431ba>] mmc_blk_issue_rq+0x21a/0x240 [mmc_block] [ 600.560407] [<ffffffff812f4cd3>] ? blk_start_request+0x33/0x50 [ 600.560411] [<ffffffffa0443838>] mmc_queue_thread+0x68/0x160 [mmc_block] [ 600.560415] [<ffffffffa04437d0>] ? mmc_alloc_sg+0x70/0x70 [mmc_block] [ 600.560420] [<ffffffff8108b27c>] kthread+0x8c/0xa0 [ 600.560425] [<ffffffff816679b4>] kernel_thread_helper+0x4/0x10 [ 600.560428] [<ffffffff8108b1f0>] ? flush_kthread_worker+0xa0/0xa0 [ 600.560431] [<ffffffff816679b0>] ? gs_change+0x13/0x13 [ 600.560434] INFO: task pm-suspend:2503 blocked for more than 120 seconds. [ 600.560438] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 600.560442] pm-suspend D 0000000000000000 0 2503 2502 0x00000000 [ 600.560445] ffff880059b238f8 0000000000000086 ffff880057373318 ffff8800365c4218 [ 600.560449] ffff880059b23fd8 ffff880059b23fd8 ffff880059b23fd8 00000000000137c0 [ 600.560453] ffff8800385c1700 ffff880038555c00 ffff880059b238d8 ffff880076c14080 [ 600.560457] Call Trace: [ 600.560461] [<ffffffff811aa180>] ? __wait_on_buffer+0x30/0x30 [ 600.560464] [<ffffffff8165b34f>] schedule+0x3f/0x60 [ 600.560467] [<ffffffff8165b3ff>] io_schedule+0x8f/0xd0 [ 600.560469] [<ffffffff811aa18e>] sleep_on_buffer+0xe/0x20 [ 600.560473] [<ffffffff8165baca>] __wait_on_bit_lock+0x5a/0xc0 [ 600.560475] [<ffffffff811aa180>] ? __wait_on_buffer+0x30/0x30 [ 600.560478] [<ffffffff8165bbac>] out_of_line_wait_on_bit_lock+0x7c/0x90 [ 600.560482] [<ffffffff8108bd60>] ? autoremove_wake_function+0x40/0x40 [ 600.560484] [<ffffffff811aa1d6>] __lock_buffer+0x36/0x40 [ 600.560488] [<ffffffff811ab7c5>] __sync_dirty_buffer+0xc5/0xd0 [ 600.560491] [<ffffffff811ab7e3>] sync_dirty_buffer+0x13/0x20 [ 600.560496] [<ffffffffa0450bf4>] ext2_sync_super+0xa4/0xf0 [ext2] [ 600.560500] [<ffffffffa0450ca7>] ext2_sync_fs+0x67/0x80 [ext2] [ 600.560506] [<ffffffff811d3dbd>] dquot_quota_sync+0x16d/0x310 [ 600.560512] [<ffffffff81119f2b>] ? __filemap_fdatawrite_range+0x5b/0x60 [ 600.560518] [<ffffffff811a7f7c>] __sync_filesystem+0x3c/0x90 [ 600.560521] [<ffffffff811a804b>] sync_filesystem+0x4b/0x70 [ 600.560524] [<ffffffff811b245d>] fsync_bdev+0x2d/0x60 [ 600.560529] [<ffffffff812fc8ed>] invalidate_partition+0x2d/0x60 [ 600.560532] [<ffffffff812fd7f0>] del_gendisk+0xa0/0x260 [ 600.560536] [<ffffffffa04411e9>] mmc_blk_remove_req+0x59/0x60 [mmc_block] [ 600.560539] [<ffffffffa0442302>] mmc_blk_remove+0x82/0xf0 [mmc_block] [ 600.560543] [<ffffffff8150cd17>] mmc_bus_remove+0x17/0x20 [ 600.560547] [<ffffffff813f73fc>] __device_release_driver+0x7c/0xe0 [ 600.560550] [<ffffffff813f748c>] device_release_driver+0x2c/0x40 [ 600.560552] [<ffffffff813f6f38>] bus_remove_device+0x78/0xb0 [ 600.560556] [<ffffffff813f450d>] device_del+0x12d/0x1b0 [ 600.560560] [<ffffffff8150d2af>] mmc_remove_card+0x5f/0xb0 [ 600.560563] [<ffffffff81511117>] mmc_sd_remove+0x27/0x40 [ 600.560566] [<ffffffff8150cca7>] mmc_pm_notify+0xe7/0x110 [ 600.560570] [<ffffffff8166116d>] notifier_call_chain+0x4d/0x70 [ 600.560574] [<ffffffff810914f8>] __blocking_notifier_call_chain+0x58/0x80 [ 600.560577] [<ffffffff81091536>] blocking_notifier_call_chain+0x16/0x20 [ 600.560581] [<ffffffff810ab1fa>] pm_notifier_call_chain+0x1a/0x30 [ 600.560585] [<ffffffff81645215>] suspend_prepare+0x34/0xa4 [ 600.560587] [<ffffffff810ac463>] enter_state+0x93/0x110 [ 600.560590] [<ffffffff810aae57>] state_store+0xb7/0x130 [ 600.560594] [<ffffffff8130ec7f>] kobj_attr_store+0xf/0x30 [ 600.560598] [<ffffffff811ed7cf>] sysfs_write_file+0xef/0x170 [ 600.560602] [<ffffffff81179573>] vfs_write+0xb3/0x180 [ 600.560605] [<ffffffff8117989a>] sys_write+0x4a/0x90 [ 600.560608] [<ffffffff81665842>] system_call_fastpath+0x16/0x1b [ 720.494097] INFO: task mmcqd/0:2477 blocked for more than 120 seconds. [ 720.494110] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.494120] mmcqd/0 D 0000000000000000 0 2477 2 0x00000000 [ 720.494130] ffff880041eabd90 0000000000000046 0000000000000082 ffff880070c3eafc [ 720.494139] ffff880041eabfd8 ffff880041eabfd8 ffff880041eabfd8 00000000000137c0 [ 720.494148] ffff880041df4500 ffff8800385c1700 ffff880041eabd80 ffff88007006aaf4 [ 720.494157] Call Trace: [ 720.494170] [<ffffffff8165b34f>] schedule+0x3f/0x60 [ 720.494182] [<ffffffff8150b1af>] __mmc_claim_host+0xaf/0x190 [ 720.494188] [<ffffffff810606a0>] ? try_to_wake_up+0x200/0x200 [ 720.494194] [<ffffffffa04431ba>] mmc_blk_issue_rq+0x21a/0x240 [mmc_block] [ 720.494201] [<ffffffff812f4cd3>] ? blk_start_request+0x33/0x50 [ 720.494206] [<ffffffffa0443838>] mmc_queue_thread+0x68/0x160 [mmc_block] [ 720.494210] [<ffffffffa04437d0>] ? mmc_alloc_sg+0x70/0x70 [mmc_block] [ 720.494214] [<ffffffff8108b27c>] kthread+0x8c/0xa0 [ 720.494220] [<ffffffff816679b4>] kernel_thread_helper+0x4/0x10 [ 720.494223] [<ffffffff8108b1f0>] ? flush_kthread_worker+0xa0/0xa0 [ 720.494226] [<ffffffff816679b0>] ? gs_change+0x13/0x13 [ 720.494229] INFO: task pm-suspend:2503 blocked for more than 120 seconds. [ 720.494233] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.494236] pm-suspend D 0000000000000000 0 2503 2502 0x00000000 [ 720.494240] ffff880059b238f8 0000000000000086 ffff880057373318 ffff8800365c4218 [ 720.494244] ffff880059b23fd8 ffff880059b23fd8 ffff880059b23fd8 00000000000137c0 [ 720.494248] ffff8800385c1700 ffff880038555c00 ffff880059b238d8 ffff880076c14080 [ 720.494252] Call Trace: [ 720.494256] [<ffffffff811aa180>] ? __wait_on_buffer+0x30/0x30 [ 720.494259] [<ffffffff8165b34f>] schedule+0x3f/0x60 [ 720.494261] [<ffffffff8165b3ff>] io_schedule+0x8f/0xd0 [ 720.494264] [<ffffffff811aa18e>] sleep_on_buffer+0xe/0x20 [ 720.494267] [<ffffffff8165baca>] __wait_on_bit_lock+0x5a/0xc0 [ 720.494270] [<ffffffff811aa180>] ? __wait_on_buffer+0x30/0x30 [ 720.494273] [<ffffffff8165bbac>] out_of_line_wait_on_bit_lock+0x7c/0x90 [ 720.494276] [<ffffffff8108bd60>] ? autoremove_wake_function+0x40/0x40 [ 720.494279] [<ffffffff811aa1d6>] __lock_buffer+0x36/0x40 [ 720.494283] [<ffffffff811ab7c5>] __sync_dirty_buffer+0xc5/0xd0 [ 720.494286] [<ffffffff811ab7e3>] sync_dirty_buffer+0x13/0x20 [ 720.494291] [<ffffffffa0450bf4>] ext2_sync_super+0xa4/0xf0 [ext2] [ 720.494295] [<ffffffffa0450ca7>] ext2_sync_fs+0x67/0x80 [ext2] [ 720.494301] [<ffffffff811d3dbd>] dquot_quota_sync+0x16d/0x310 [ 720.494306] [<ffffffff81119f2b>] ? __filemap_fdatawrite_range+0x5b/0x60 [ 720.494312] [<ffffffff811a7f7c>] __sync_filesystem+0x3c/0x90 [ 720.494315] [<ffffffff811a804b>] sync_filesystem+0x4b/0x70 [ 720.494319] [<ffffffff811b245d>] fsync_bdev+0x2d/0x60 [ 720.494324] [<ffffffff812fc8ed>] invalidate_partition+0x2d/0x60 [ 720.494327] [<ffffffff812fd7f0>] del_gendisk+0xa0/0x260 [ 720.494330] [<ffffffffa04411e9>] mmc_blk_remove_req+0x59/0x60 [mmc_block] [ 720.494334] [<ffffffffa0442302>] mmc_blk_remove+0x82/0xf0 [mmc_block] [ 720.494337] [<ffffffff8150cd17>] mmc_bus_remove+0x17/0x20 [ 720.494342] [<ffffffff813f73fc>] __device_release_driver+0x7c/0xe0 [ 720.494345] [<ffffffff813f748c>] device_release_driver+0x2c/0x40 [ 720.494348] [<ffffffff813f6f38>] bus_remove_device+0x78/0xb0 [ 720.494353] [<ffffffff813f450d>] device_del+0x12d/0x1b0 [ 720.494356] [<ffffffff8150d2af>] mmc_remove_card+0x5f/0xb0 [ 720.494359] [<ffffffff81511117>] mmc_sd_remove+0x27/0x40 [ 720.494362] [<ffffffff8150cca7>] mmc_pm_notify+0xe7/0x110 [ 720.494366] [<ffffffff8166116d>] notifier_call_chain+0x4d/0x70 [ 720.494370] [<ffffffff810914f8>] __blocking_notifier_call_chain+0x58/0x80 [ 720.494373] [<ffffffff81091536>] blocking_notifier_call_chain+0x16/0x20 [ 720.494377] [<ffffffff810ab1fa>] pm_notifier_call_chain+0x1a/0x30 [ 720.494380] [<ffffffff81645215>] suspend_prepare+0x34/0xa4 [ 720.494383] [<ffffffff810ac463>] enter_state+0x93/0x110 [ 720.494386] [<ffffffff810aae57>] state_store+0xb7/0x130 [ 720.494390] [<ffffffff8130ec7f>] kobj_attr_store+0xf/0x30 [ 720.494394] [<ffffffff811ed7cf>] sysfs_write_file+0xef/0x170 [ 720.494398] [<ffffffff81179573>] vfs_write+0xb3/0x180 [ 720.494401] [<ffffffff8117989a>] sys_write+0x4a/0x90 [ 720.494404] [<ffffffff81665842>] system_call_fastpath+0x16/0x1b [ 840.427881] INFO: task mmcqd/0:2477 blocked for more than 120 seconds. [ 840.427895] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 840.427905] mmcqd/0 D 0000000000000000 0 2477 2 0x00000000 [ 840.427914] ffff880041eabd90 0000000000000046 0000000000000082 ffff880070c3eafc [ 840.427924] ffff880041eabfd8 ffff880041eabfd8 ffff880041eabfd8 00000000000137c0 [ 840.427932] ffff880041df4500 ffff8800385c1700 ffff880041eabd80 ffff88007006aaf4 [ 840.427941] Call Trace: [ 840.427962] [<ffffffff8165b34f>] schedule+0x3f/0x60 [ 840.427967] [<ffffffff8150b1af>] __mmc_claim_host+0xaf/0x190 [ 840.427974] [<ffffffff810606a0>] ? try_to_wake_up+0x200/0x200 [ 840.427979] [<ffffffffa04431ba>] mmc_blk_issue_rq+0x21a/0x240 [mmc_block] [ 840.427985] [<ffffffff812f4cd3>] ? blk_start_request+0x33/0x50 [ 840.427989] [<ffffffffa0443838>] mmc_queue_thread+0x68/0x160 [mmc_block] [ 840.427993] [<ffffffffa04437d0>] ? mmc_alloc_sg+0x70/0x70 [mmc_block] [ 840.427998] [<ffffffff8108b27c>] kthread+0x8c/0xa0 [ 840.428003] [<ffffffff816679b4>] kernel_thread_helper+0x4/0x10 [ 840.428006] [<ffffffff8108b1f0>] ? flush_kthread_worker+0xa0/0xa0 [ 840.428009] [<ffffffff816679b0>] ? gs_change+0x13/0x13 [ 840.428012] INFO: task pm-suspend:2503 blocked for more than 120 seconds. [ 840.428016] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 840.428020] pm-suspend D 0000000000000000 0 2503 2502 0x00000000 [ 840.428024] ffff880059b238f8 0000000000000086 ffff880057373318 ffff8800365c4218 [ 840.428028] ffff880059b23fd8 ffff880059b23fd8 ffff880059b23fd8 00000000000137c0 [ 840.428031] ffff8800385c1700 ffff880038555c00 ffff880059b238d8 ffff880076c14080 [ 840.428035] Call Trace: [ 840.428039] [<ffffffff811aa180>] ? __wait_on_buffer+0x30/0x30 [ 840.428042] [<ffffffff8165b34f>] schedule+0x3f/0x60 [ 840.428045] [<ffffffff8165b3ff>] io_schedule+0x8f/0xd0 [ 840.428048] [<ffffffff811aa18e>] sleep_on_buffer+0xe/0x20 [ 840.428051] [<ffffffff8165baca>] __wait_on_bit_lock+0x5a/0xc0 [ 840.428054] [<ffffffff811aa180>] ? __wait_on_buffer+0x30/0x30 [ 840.428056] [<ffffffff8165bbac>] out_of_line_wait_on_bit_lock+0x7c/0x90 [ 840.428060] [<ffffffff8108bd60>] ? autoremove_wake_function+0x40/0x40 [ 840.428063] [<ffffffff811aa1d6>] __lock_buffer+0x36/0x40 [ 840.428066] [<ffffffff811ab7c5>] __sync_dirty_buffer+0xc5/0xd0 [ 840.428069] [<ffffffff811ab7e3>] sync_dirty_buffer+0x13/0x20 [ 840.428074] [<ffffffffa0450bf4>] ext2_sync_super+0xa4/0xf0 [ext2] [ 840.428079] [<ffffffffa0450ca7>] ext2_sync_fs+0x67/0x80 [ext2] [ 840.428084] [<ffffffff811d3dbd>] dquot_quota_sync+0x16d/0x310 [ 840.428090] [<ffffffff81119f2b>] ? __filemap_fdatawrite_range+0x5b/0x60 [ 840.428095] [<ffffffff811a7f7c>] __sync_filesystem+0x3c/0x90 [ 840.428099] [<ffffffff811a804b>] sync_filesystem+0x4b/0x70 [ 840.428102] [<ffffffff811b245d>] fsync_bdev+0x2d/0x60 [ 840.428107] [<ffffffff812fc8ed>] invalidate_partition+0x2d/0x60 [ 840.428110] [<ffffffff812fd7f0>] del_gendisk+0xa0/0x260 [ 840.428114] [<ffffffffa04411e9>] mmc_blk_remove_req+0x59/0x60 [mmc_block] [ 840.428117] [<ffffffffa0442302>] mmc_blk_remove+0x82/0xf0 [mmc_block] [ 840.428121] [<ffffffff8150cd17>] mmc_bus_remove+0x17/0x20 [ 840.428126] [<ffffffff813f73fc>] __device_release_driver+0x7c/0xe0 [ 840.428129] [<ffffffff813f748c>] device_release_driver+0x2c/0x40 [ 840.428131] [<ffffffff813f6f38>] bus_remove_device+0x78/0xb0 [ 840.428136] [<ffffffff813f450d>] device_del+0x12d/0x1b0 [ 840.428140] [<ffffffff8150d2af>] mmc_remove_card+0x5f/0xb0 [ 840.428143] [<ffffffff81511117>] mmc_sd_remove+0x27/0x40 [ 840.428146] [<ffffffff8150cca7>] mmc_pm_notify+0xe7/0x110 [ 840.428150] [<ffffffff8166116d>] notifier_call_chain+0x4d/0x70 [ 840.428154] [<ffffffff810914f8>] __blocking_notifier_call_chain+0x58/0x80 [ 840.428157] [<ffffffff81091536>] blocking_notifier_call_chain+0x16/0x20 [ 840.428161] [<ffffffff810ab1fa>] pm_notifier_call_chain+0x1a/0x30 [ 840.428165] [<ffffffff81645215>] suspend_prepare+0x34/0xa4 [ 840.428167] [<ffffffff810ac463>] enter_state+0x93/0x110 [ 840.428170] [<ffffffff810aae57>] state_store+0xb7/0x130 [ 840.428174] [<ffffffff8130ec7f>] kobj_attr_store+0xf/0x30 [ 840.428178] [<ffffffff811ed7cf>] sysfs_write_file+0xef/0x170 [ 840.428182] [<ffffffff81179573>] vfs_write+0xb3/0x180 [ 840.428185] [<ffffffff8117989a>] sys_write+0x4a/0x90 [ 840.428188] [<ffffffff81665842>] system_call_fastpath+0x16/0x1b -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1065641 Title: [HP Probook 6550b] Unable to enter suspend when SD card is plugged in To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1065641/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
