same problem and yep, got a kernel oops ... usb sdcard reader present [ 7321.141260] INFO: task grub-mkdevicema:25249 blocked for more than 120 seconds. [ 7321.141260] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7321.141260] grub-mkdevice D 0000000000000000 0 25249 25246 0x00000000 [ 7321.141260] ffff880042de9c28 0000000000000086 0000000000000000 0000000000015580 [ 7321.141260] ffff8800ab01b110 0000000000015580 0000000000015580 0000000000015580 [ 7321.141260] 0000000000015580 ffff8800ab01b110 0000000000015580 0000000000015580 [ 7321.141260] Call Trace: [ 7321.141260] [<ffffffff81522447>] __mutex_lock_slowpath+0xd7/0x160 [ 7321.141260] [<ffffffff81147bd0>] ? blkdev_open+0x0/0xc0 [ 7321.141260] [<ffffffff81522346>] mutex_lock+0x26/0x50 [ 7321.141260] [<ffffffff81147858>] __blkdev_get+0x38/0x3a0 [ 7321.141260] [<ffffffff81147bd0>] ? blkdev_open+0x0/0xc0 [ 7321.141260] [<ffffffff81147bcb>] blkdev_get+0xb/0x10 [ 7321.141260] [<ffffffff81147c3c>] blkdev_open+0x6c/0xc0 [ 7321.141260] [<ffffffff81117ed6>] __dentry_open+0xe6/0x2e0 [ 7321.141260] [<ffffffff811181d7>] nameidata_to_filp+0x57/0x70 [ 7321.141260] [<ffffffff811275fa>] do_filp_open+0x2ca/0xac0 [ 7321.141260] [<ffffffff810ef679>] ? __do_fault+0x419/0x4e0 [ 7321.141260] [<ffffffff81032419>] ? default_spin_lock_flags+0x9/0x10 [ 7321.141260] [<ffffffff81277912>] ? __strncpy_from_user+0x22/0x60 [ 7321.141260] [<ffffffff81132072>] ? alloc_fd+0x102/0x150 [ 7321.141260] [<ffffffff81117ca4>] do_sys_open+0x64/0x160 [ 7321.141260] [<ffffffff81117dcb>] sys_open+0x1b/0x20 [ 7321.141260] [<ffffffff81011fc2>] system_call_fastpath+0x16/0x1b
-- grub-pc hangs while package is configured https://bugs.launchpad.net/bugs/426239 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
