Hai, while formating the first 512k of my tape. Running ubuntu 12.04 LTS, kernel -40 , everything up2date, only LTO4 tapedrive on sas controller.
[588841.364868] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [588841.375947] dd D ffffffff81806240 0 26843 26827 0x00000000 [588841.375952] ffff881048fe1cd8 0000000000000082 ffff881048fe1c98 ffffffffa0039318 [588841.375968] ffff881048fe1fd8 ffff881048fe1fd8 ffff881048fe1fd8 00000000000137c0 [588841.375983] ffffffff81c0d020 ffff881049f58000 000000a43c794a10 7fffffffffffffff [588841.375998] Call Trace: [588841.376023] [<ffffffffa0039318>] ? mpt2sas_base_get_smid_scsiio+0x88/0xd0 [mpt2sas] [588841.376034] [<ffffffff8165ba6f>] schedule+0x3f/0x60 [588841.376042] [<ffffffff8165c0b5>] schedule_timeout+0x2a5/0x320 [588841.376050] [<ffffffff8130efd7>] ? kobject_put+0x27/0x60 [588841.376059] [<ffffffff8165dc65>] ? _raw_spin_lock_irq+0x15/0x20 [588841.376067] [<ffffffff8165b8af>] wait_for_common+0xdf/0x180 [588841.376076] [<ffffffff81060620>] ? try_to_wake_up+0x200/0x200 [588841.376083] [<ffffffff8165ba2d>] wait_for_completion+0x1d/0x20 [588841.376092] [<ffffffffa0157b1a>] st_do_scsi.constprop.17+0x12a/0x280 [st] [588841.376100] [<ffffffffa015a6c8>] st_flush+0x218/0x360 [st] [588841.376110] [<ffffffff8117aad3>] ? __fput+0x153/0x210 [588841.376117] [<ffffffff8117772f>] filp_close+0x3f/0x90 [588841.376124] [<ffffffff81177832>] sys_close+0xb2/0x120 [588841.376133] [<ffffffff81665f82>] 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/906873 Title: mpt2sas driver is unusable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/906873/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs