It seems, dd is still attempting to write out, even though its complained of being out of disk space. The kernel msgs are full of this:
[ 7902.830935] INFO: task blkid:25921 blocked for more than 120 seconds. [ 7902.830937] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7902.830948] blkid D ffffffff81806240 0 25921 541 0x00000004 [ 7902.830951] ffff8801b272bb18 0000000000000082 ffff88023e5fbe00 ffffffffa052a100 [ 7902.830968] ffff8801b272bfd8 ffff8801b272bfd8 ffff8801b272bfd8 0000000000013780 [ 7902.830989] ffffffff81c0d020 ffff88022b8496f0 000000000b300000 ffff88022d602a58 [ 7902.830998] Call Trace: [ 7902.831006] [<ffffffff8165a0df>] schedule+0x3f/0x60 [ 7902.831026] [<ffffffff8165aee7>] __mutex_lock_slowpath+0xd7/0x150 [ 7902.831034] [<ffffffff812f9120>] ? disk_map_sector_rcu+0x80/0x80 [ 7902.831042] [<ffffffff8165aafa>] mutex_lock+0x2a/0x50 [ 7902.831062] [<ffffffff811b01db>] __blkdev_get+0x7b/0x460 [ 7902.831069] [<ffffffff811b061e>] blkdev_get+0x5e/0x1e0 [ 7902.831077] [<ffffffff811b07fd>] blkdev_open+0x5d/0x80 [ 7902.831098] [<ffffffff81175a50>] __dentry_open+0x290/0x360 [ 7902.831105] [<ffffffff811b07a0>] ? blkdev_get+0x1e0/0x1e0 [ 7902.831114] [<ffffffff8129c3dc>] ? security_inode_permission+0x1c/0x30 [ 7902.831135] [<ffffffff8118369a>] ? inode_permission+0x4a/0x110 [ 7902.831141] [<ffffffff811760cd>] vfs_open+0x3d/0x40 [ 7902.831148] [<ffffffff81176fa0>] nameidata_to_filp+0x40/0x50 [ 7902.831167] [<ffffffff81185ed8>] do_last+0x3f8/0x730 [ 7902.831174] [<ffffffff811875b1>] path_openat+0xd1/0x3f0 [ 7902.831181] [<ffffffff8113b189>] ? __pte_alloc+0xa9/0x160 [ 7902.831201] [<ffffffff811879f2>] do_filp_open+0x42/0xa0 [ 7902.831211] [<ffffffff81318861>] ? strncpy_from_user+0x31/0x40 [ 7902.831218] [<ffffffff81182d3a>] ? do_getname+0x10a/0x180 [ 7902.831237] [<ffffffff8165bfee>] ? _raw_spin_lock+0xe/0x20 [ 7902.831244] [<ffffffff81194c97>] ? alloc_fd+0xf7/0x150 [ 7902.831251] [<ffffffff8117709d>] do_sys_open+0xed/0x220 [ 7902.831271] [<ffffffff811771f0>] sys_open+0x20/0x30 [ 7902.831277] [<ffffffff81664602>] system_call_fastpath+0x16/0x1b Nothing stops this unless I kill 'dd' or eject the card. Then there is a mess as it fails to write... .. .. .. [ 8877.239519] end_request: I/O error, dev mmcblk0, sector 30337016 [ 8877.239523] end_request: I/O error, dev mmcblk0, sector 30337024 [ 8877.239528] end_request: I/O error, dev mmcblk0, sector 30337032 [ 8877.239562] mmcblk0: error -123 sending status command, retrying [ 8877.239577] mmcblk0: error -123 sending status command, retrying [ 8877.239592] mmcblk0: error -123 sending status command, aborting [ 8877.239593] end_request: I/O error, dev mmcblk0, sector 30337040 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/975305 Title: dd writing to an SDHC /dev/mmcblk0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/975305/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
