[系统相关] 为啥SD卡总是报错

chenzhufly 2015-5-4 13:25 楼主

不知道什么原因为啥，SD卡经常报下面的错误

mmcblk0: timed out sending r/w cmd command, card status 0x400e00

然后系统就奔溃了

INFO: task kworker/u4:2:58 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u4:2 D 8060f8bc 0 58 2 0x00000000
Workqueue: writeback bdi_writeback_workfn (flush-179:0)
[<8060f8bc>] (__schedule+0x22c/0x618) from [<8060fce8>] (schedule+0x40/0x80)
[<8060fce8>] (schedule+0x40/0x80) from [<801ca704>] (start_this_handle.isra.5+0x20c/0x40c)
[<801ca704>] (start_this_handle.isra.5+0x20c/0x40c) from [<801ca9f8>] (journal_start+0xac/0xe0)
[<801ca9f8>] (journal_start+0xac/0xe0) from [<80170cbc>] (ext3_journal_start_sb+0x3c/0x64)
[<80170cbc>] (ext3_journal_start_sb+0x3c/0x64) from [<80162e24>] (ext3_ordered_writepage+0x130/0x28c)
[<80162e24>] (ext3_ordered_writepage+0x130/0x28c) from [<800be0cc>] (__writepage+0x24/0x4c)
[<800be0cc>] (__writepage+0x24/0x4c) from [<800be7f8>] (write_cache_pages+0x198/0x418)
[<800be7f8>] (write_cache_pages+0x198/0x418) from [<800beac8>] (generic_writepages+0x50/0x68)
[<800beac8>] (generic_writepages+0x50/0x68) from [<800c0214>] (do_writepages+0x44/0x48)
[<800c0214>] (do_writepages+0x44/0x48) from [<8011d450>] (__writeback_single_inode+0x50/0x21c)
[<8011d450>] (__writeback_single_inode+0x50/0x21c) from [<8011e1f8>] (writeback_sb_inodes+0x1a4/0x3e8)
[<8011e1f8>] (writeback_sb_inodes+0x1a4/0x3e8) from [<8011e4cc>] (__writeback_inodes_wb+0x90/0xd0)
[<8011e4cc>] (__writeback_inodes_wb+0x90/0xd0) from [<8011e73c>] (wb_writeback+0x230/0x2e0)
[<8011e73c>] (wb_writeback+0x230/0x2e0) from [<8011efa0>] (wb_do_writeback+0x200/0x23c)
[<8011efa0>] (wb_do_writeback+0x200/0x23c) from [<8011f064>] (bdi_writeback_workfn+0x88/0x1e4)
[<8011f064>] (bdi_writeback_workfn+0x88/0x1e4) from [<800401b0>] (process_one_work+0x15c/0x404)
[<800401b0>] (process_one_work+0x15c/0x404) from [<80040fb8>] (worker_thread+0x144/0x420)
[<80040fb8>] (worker_thread+0x144/0x420) from [<80047008>] (kthread+0xc4/0xc8)
[<80047008>] (kthread+0xc4/0xc8) from [<8000e558>] (ret_from_fork+0x14/0x20)
INFO: task kjournald:60 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kjournald D 8060f8bc 0 60 2 0x00000000
[<8060f8bc>] (__schedule+0x22c/0x618) from [<8060fce8>] (schedule+0x40/0x80)
[<8060fce8>] (schedule+0x40/0x80) from [<801ccd7c>] (journal_commit_transaction+0x180/0x14c4)
[<801ccd7c>] (journal_commit_transaction+0x180/0x14c4) from [<801d1880>] (kjournald+0x110/0x2c0)
[<801d1880>] (kjournald+0x110/0x2c0) from [<80047008>] (kthread+0xc4/0xc8)
[<80047008>] (kthread+0xc4/0xc8) from [<8000e558>] (ret_from_fork+0x14/0x20)
INFO: task apt-get:2593 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
apt-get D 8060f8bc 0 2593 2504 0x00000000
[<8060f8bc>] (__schedule+0x22c/0x618) from [<8060fce8>] (schedule+0x40/0x80)
[<8060fce8>] (schedule+0x40/0x80) from [<8060ffd0>] (io_schedule+0x7c/0xa4)
[<8060ffd0>] (io_schedule+0x7c/0xa4) from [<80279a24>] (get_request+0x158/0x5a0)
[<80279a24>] (get_request+0x158/0x5a0) from [<8027b8a4>] (blk_queue_bio+0x5c/0x354)
[<8027b8a4>] (blk_queue_bio+0x5c/0x354) from [<8027a4cc>] (generic_make_request+0xb8/0xe4)
[<8027a4cc>] (generic_make_request+0xb8/0xe4) from [<8027a588>] (submit_bio+0x90/0x150)
[<8027a588>] (submit_bio+0x90/0x150) from [<80124c90>] (_submit_bh+0x18c/0x278)
[<80124c90>] (_submit_bh+0x18c/0x278) from [<801286f4>] (__block_write_full_page+0x1c4/0x3b0)
[<801286f4>] (__block_write_full_page+0x1c4/0x3b0) from [<80128b38>] (block_write_full_page_endio+0x10c/0x138)
[<80128b38>] (block_write_full_page_endio+0x10c/0x138) from [<80128b84>] (block_write_full_page+0x20/0x24)
[<80128b84>] (block_write_full_page+0x20/0x24) from [<80162e68>] (ext3_ordered_writepage+0x174/0x28c)
[<80162e68>] (ext3_ordered_writepage+0x174/0x28c) from [<800be0cc>] (__writepage+0x24/0x4c)
[<800be0cc>] (__writepage+0x24/0x4c) from [<800be7f8>] (write_cache_pages+0x198/0x418)
[<800be7f8>] (write_cache_pages+0x198/0x418) from [<800beac8>] (generic_writepages+0x50/0x68)
[<800beac8>] (generic_writepages+0x50/0x68) from [<800c0214>] (do_writepages+0x44/0x48)
[<800c0214>] (do_writepages+0x44/0x48) from [<800b6ab0>] (__filemap_fdatawrite_range+0x5c/0x64)
[<800b6ab0>] (__filemap_fdatawrite_range+0x5c/0x64) from [<800b6c34>] (filemap_write_and_wait_range+0x44/0x8c)
[<800b6c34>] (filemap_write_and_wait_range+0x44/0x8c) from [<80160fe8>] (ext3_sync_file+0x80/0x1f4)
[<80160fe8>] (ext3_sync_file+0x80/0x1f4) from [<80122614>] (vfs_fsync+0x4c/0x5c)
[<80122614>] (vfs_fsync+0x4c/0x5c) from [<800e047c>] (SyS_msync+0x148/0x1d8)
[<800e047c>] (SyS_msync+0x148/0x1d8) from [<8000e4c0>] (ret_fast_syscall+0x0/0x30)
^C