From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-gw0-f49.google.com ([74.125.83.49]) by bombadil.infradead.org with esmtp (Exim 4.69 #1 (Red Hat Linux)) id 1Njrpm-0002lp-9Q for linux-mtd@lists.infradead.org; Tue, 23 Feb 2010 10:17:47 +0000 Received: by gwj21 with SMTP id 21so890735gwj.36 for ; Tue, 23 Feb 2010 02:17:40 -0800 (PST) MIME-Version: 1.0 Date: Tue, 23 Feb 2010 12:17:40 +0200 Message-ID: Subject: suspend to disk hangs when running from ubifs From: saeed bishara To: linux-mtd@lists.infradead.org Content-Type: text/plain; charset=UTF-8 List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, I've installed my rootfs on nand flash with ubifs, when trying to syspend to disk (swap on sata HDD), the system hangs after saving the image, after two minutes I got the message below, if I manually reset the system, it succeeds to resume. please note that the page offset is 0x80000000. INFO: task echo:612 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. echo D 8045baa8 0 612 609 0x00020000 [<8045baa8>] (schedule+0x2e0/0x328) from [<8045bcc4>] (schedule_timeout+0x1c/0x21c) [<8045bcc4>] (schedule_timeout+0x1c/0x21c) from [<8045b6b0>] (wait_for_common+0xcc/0x15c) [<8045b6b0>] (wait_for_common+0xcc/0x15c) from [<800897e4>] (kthread_stop+0x7c/0xec) [<800897e4>] (kthread_stop+0x7c/0xec) from [<802d5d88>] (ubi_reboot_notifier+0x20/0x34) [<802d5d88>] (ubi_reboot_notifier+0x20/0x34) from [<8008de04>] (notifier_call_chain+0x2c/0x74) [<8008de04>] (notifier_call_chain+0x2c/0x74) from [<8008e10c>] (__blocking_notifier_call_chain+0x4c/0x68) [<8008e10c>] (__blocking_notifier_call_chain+0x4c/0x68) from [<8008e140>] (blocking_notifier_call_chain+0x18/0x24) [<8008e140>] (blocking_notifier_call_chain+0x18/0x24) from [<80083084>] (kernel_shutdown_prepare+0x20/0x38) [<80083084>] (kernel_shutdown_prepare+0x20/0x38) from [<800830ac>] (kernel_power_off+0x10/0x44) [<800830ac>] (kernel_power_off+0x10/0x44) from [<800a0bac>] (hibernate+0x128/0x1a4) [<800a0bac>] (hibernate+0x128/0x1a4) from [<8009f54c>] (state_store+0x50/0xc4) [<8009f54c>] (state_store+0x50/0xc4) from [<8021d244>] (kobj_attr_store+0x1c/0x28) [<8021d244>] (kobj_attr_store+0x1c/0x28) from [<801265a0>] (sysfs_write_file+0x104/0x13c) [<801265a0>] (sysfs_write_file+0x104/0x13c) from [<800e4e0c>] (vfs_write+0xb0/0x160) [<800e4e0c>] (vfs_write+0xb0/0x160) from [<800e5314>] (sys_write+0x3c/0x6c) [<800e5314>] (sys_write+0x3c/0x6c) from [<80035e40>] (ret_fast_syscall+0x0/0x2c) here are the states of all the tasks: SysRq : Show Blocked State task PC stack pid father init D 8045baa8 0 1 0 0x00020000 [<8045baa8>] (schedule+0x2e0/0x328) from [<8008ffc0>] (refrigerator+0x9c/0xc8) [<8008ffc0>] (refrigerator+0x9c/0xc8) from [<80038750>] (do_notify_resume+0x48/0x614) [<80038750>] (do_notify_resume+0x48/0x614) from [<80035e8c>] (work_pending+0x1c/0x20) bdi-default D 8045baa8 0 214 2 0x00000000 [<8045baa8>] (schedule+0x2e0/0x328) from [<8008ffc0>] (refrigerator+0x9c/0xc8) [<8008ffc0>] (refrigerator+0x9c/0xc8) from [<800cfa64>] (bdi_forker_task+0x198/0x294) [<800cfa64>] (bdi_forker_task+0x198/0x294) from [<80089a78>] (kthread+0x78/0x80) [<80089a78>] (kthread+0x78/0x80) from [<80036e0c>] (kernel_thread_exit+0x0/0x8) ksuspend_usbd D 8045baa8 0 229 2 0x00000000 [<8045baa8>] (schedule+0x2e0/0x328) from [<8008ffc0>] (refrigerator+0x9c/0xc8) [<8008ffc0>] (refrigerator+0x9c/0xc8) from [<800869bc>] (worker_thread+0xcc/0x200) [<800869bc>] (worker_thread+0xcc/0x200) from [<80089a78>] (kthread+0x78/0x80) [<80089a78>] (kthread+0x78/0x80) from [<80036e0c>] (kernel_thread_exit+0x0/0x8) khubd D 8045baa8 0 234 2 0x00000000 [<8045baa8>] (schedule+0x2e0/0x328) from [<8008ffc0>] (refrigerator+0x9c/0xc8) [<8008ffc0>] (refrigerator+0x9c/0xc8) from [<80319a10>] (hub_thread+0xcc4/0xd5c) [<80319a10>] (hub_thread+0xcc4/0xd5c) from [<80089a78>] (kthread+0x78/0x80) [<80089a78>] (kthread+0x78/0x80) from [<80036e0c>] (kernel_thread_exit+0x0/0x8) kswapd0 D 8045baa8 0 274 2 0x00000000 [<8045baa8>] (schedule+0x2e0/0x328) from [<8008ffc0>] (refrigerator+0x9c/0xc8) [<8008ffc0>] (refrigerator+0x9c/0xc8) from [<800c7a74>] (kswapd+0x120/0x4c4) [<800c7a74>] (kswapd+0x120/0x4c4) from [<80089a78>] (kthread+0x78/0x80) [<80089a78>] (kthread+0x78/0x80) from [<80036e0c>] (kernel_thread_exit+0x0/0x8) ubi_bgt0d D 8045baa8 0 484 2 0x00000000 [<8045baa8>] (schedule+0x2e0/0x328) from [<8008ffc0>] (refrigerator+0x9c/0xc8) [<8008ffc0>] (refrigerator+0x9c/0xc8) from [<802dc64c>] (ubi_thread+0x68/0x138) [<802dc64c>] (ubi_thread+0x68/0x138) from [<80089a78>] (kthread+0x78/0x80) [<80089a78>] (kthread+0x78/0x80) from [<80036e0c>] (kernel_thread_exit+0x0/0x8) usbhid_resume D 8045baa8 0 569 2 0x00000000 [<8045baa8>] (schedule+0x2e0/0x328) from [<8008ffc0>] (refrigerator+0x9c/0xc8) [<8008ffc0>] (refrigerator+0x9c/0xc8) from [<800869bc>] (worker_thread+0xcc/0x200) [<800869bc>] (worker_thread+0xcc/0x200) from [<80089a78>] (kthread+0x78/0x80) [<80089a78>] (kthread+0x78/0x80) from [<80036e0c>] (kernel_thread_exit+0x0/0x8) ubifs_bgt0_0 D 8045baa8 0 601 2 0x00000000 [<8045baa8>] (schedule+0x2e0/0x328) from [<8008ffc0>] (refrigerator+0x9c/0xc8) [<8008ffc0>] (refrigerator+0x9c/0xc8) from [<801d3118>] (ubifs_bg_thread+0x58/0x108) [<801d3118>] (ubifs_bg_thread+0x58/0x108) from [<80089a78>] (kthread+0x78/0x80) [<80089a78>] (kthread+0x78/0x80) from [<80036e0c>] (kernel_thread_exit+0x0/0x8) sh D 8045baa8 0 609 1 0x00020000 [<8045baa8>] (schedule+0x2e0/0x328) from [<8008ffc0>] (refrigerator+0x9c/0xc8) [<8008ffc0>] (refrigerator+0x9c/0xc8) from [<80038750>] (do_notify_resume+0x48/0x614) [<80038750>] (do_notify_resume+0x48/0x614) from [<80035e8c>] (work_pending+0x1c/0x20) flush-ubifs_0 D 8045baa8 0 610 2 0x00000000 [<8045baa8>] (schedule+0x2e0/0x328) from [<8008ffc0>] (refrigerator+0x9c/0xc8) [<8008ffc0>] (refrigerator+0x9c/0xc8) from [<800ff454>] (bdi_writeback_task+0x94/0xbc) [<800ff454>] (bdi_writeback_task+0x94/0xbc) from [<800cf6c0>] (bdi_start_fn+0x64/0xb8) [<800cf6c0>] (bdi_start_fn+0x64/0xb8) from [<80089a78>] (kthread+0x78/0x80) [<80089a78>] (kthread+0x78/0x80) from [<80036e0c>] (kernel_thread_exit+0x0/0x8) echo D 8045baa8 0 612 609 0x00020000 [<8045baa8>] (schedule+0x2e0/0x328) from [<8045bcc4>] (schedule_timeout+0x1c/0x21c) [<8045bcc4>] (schedule_timeout+0x1c/0x21c) from [<8045b6b0>] (wait_for_common+0xcc/0x15c) [<8045b6b0>] (wait_for_common+0xcc/0x15c) from [<800897e4>] (kthread_stop+0x7c/0xec) [<800897e4>] (kthread_stop+0x7c/0xec) from [<802d5d88>] (ubi_reboot_notifier+0x20/0x34) [<802d5d88>] (ubi_reboot_notifier+0x20/0x34) from [<8008de04>] (notifier_call_chain+0x2c/0x74) [<8008de04>] (notifier_call_chain+0x2c/0x74) from [<8008e10c>] (__blocking_notifier_call_chain+0x4c/0x68) [<8008e10c>] (__blocking_notifier_call_chain+0x4c/0x68) from [<8008e140>] (blocking_notifier_call_chain+0x18/0x24) [<8008e140>] (blocking_notifier_call_chain+0x18/0x24) from [<80083084>] (kernel_shutdown_prepare+0x20/0x38) [<80083084>] (kernel_shutdown_prepare+0x20/0x38) from [<800830ac>] (kernel_power_off+0x10/0x44) [<800830ac>] (kernel_power_off+0x10/0x44) from [<800a0bac>] (hibernate+0x128/0x1a4) [<800a0bac>] (hibernate+0x128/0x1a4) from [<8009f54c>] (state_store+0x50/0xc4) [<8009f54c>] (state_store+0x50/0xc4) from [<8021d244>] (kobj_attr_store+0x1c/0x28) [<8021d244>] (kobj_attr_store+0x1c/0x28) from [<801265a0>] (sysfs_write_file+0x104/0x13c) [<801265a0>] (sysfs_write_file+0x104/0x13c) from [<800e4e0c>] (vfs_write+0xb0/0x160) [<800e4e0c>] (vfs_write+0xb0/0x160) from [<800e5314>] (sys_write+0x3c/0x6c) [<800e5314>] (sys_write+0x3c/0x6c) from [<80035e40>] (ret_fast_syscall+0x0/0x2c)