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Tag: vivid

Ubuntu Vivid Debian: Kernel I/O Errors SSD SATA NVIDIA Chipsets

If you use a PC with a SSD Drive and a Motherboard which uses NVIDIA chipsets you may see Errors on boot Command “dmesg” Output like.. Buffer I/O error on device sdc, logical block 41 ata5: EH complete ata5: EH in SWNCQ mode,QC:qc_active 0x1 sactive 0x1 ata5: SWNCQ:qc_active 0x1 defer_bits 0x0 last_issue_tag 0x0 dhfis 0x1 dmafis 0x1 sdbfis 0x0 ata5: ATA_REG 0x41 ERR_REG 0x84 ata5: tag : dhfis dmafis sdbfis sactive ata5: tag 0x0: 1 1 0 1 ata5.00: exception Emask 0x1 SAct 0x1 SErr 0x300000 action 0x6 frozen ata5.00: Ata error. fis:0x21 ata5.00: cmd 60/08:00:07:04:00/00:00:00:00:00/40 tag 0 ncq 4096 […]

Ubuntu Vivid: Systemd boot OS into rescue mode with tmpfs

If you setup a Laptop with 15.XX and a luks encrypted SSD, you did set on older OS “tmpfs” for /tmp. Now under “systemd” the the boot hangs cause systemd “automount” tmpfs to /tmp by default!!! If you enter tmpfs into fstab like on ubuntu 14.10, the OS boots into the “RECOVERY RESCUE MODE” Here some details, from a forum post: Disable automatic mount Under systemd, /tmp may be automatically mounted as a tmpfs even though you have no entry for that in your /etc/fstab. To disable the automatic mount, run: # systemctl mask tmp.mount Files will no longer be […]