############################ Fri, 17 Jan 2014 12:54:39 +0100 hard link reset ata1 -> readonly filesystem
=> Booting now with PCI-Express powermanagement disabled in BIOS ! Some comments: ############################ NCQ ------------- When I am diving into the subject, I see this NCQ kernel error appear [ 2.184511] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 2.185682] ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded [ 2.185685] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out [ 2.185688] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out [ 2.186097] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1 [ 2.186104] ata1.00: ATA-9: Samsung SSD 840 PRO Series, DXM05B0Q, max UDMA/133 [ 2.186109] ata1.00: 1000215216 sectors, multi 16: LBA48 NCQ (depth 31/32), AA [ 2.187422] ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded [ 2.187432] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out [ 2.187438] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out -> [ 2.187860] ata1.00: failed to get NCQ Send/Recv Log Emask 0x1 [ 2.188017] ata1.00: configured for UDMA/133 There is a good article about NCQ here. According to this it is no good idea to disable this within the kernel command line: * http://blog.disksurvey.org/blog/2013/10/28/ncq-disabled ########################### SATA and PCIE Power Management ----------------------------------------------------- In gentoo forums I found an article with this error caused by LAPTOP MODE: * http://forums.gentoo.org/viewtopic-t-980628.html?sid=7b7a7aadcd0e124cafc3f54a07049799 For my system I get: $ for no in 0 1 2 3 4 5; do echo -n "host${no}: "; cat /sys/class/scsi_host/host${no}/link_power_management_policy ; done host0: max_performance host1: max_performance host2: max_performance host3: max_performance host4: max_performance host5: max_performance With tlp I can alter this by the following settings int /etc/default/tlp (this are my actual settings): [...] # SATA aggressive link power management (ALPM): # min_power/medium_power/max_performance SATA_LINKPWR_ON_AC=max_performance SATA_LINKPWR_ON_BAT=min_power # PCI Express Active State Power Management (PCIe ASPM): # default/performance/powersave # Hint: needs kernel boot option pcie_aspm=force on some machines PCIE_ASPM_ON_AC=performance PCIE_ASPM_ON_BAT=powersave [...] Probably altering these settings will solve the problem? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1269777 Title: [ Ubuntu 14.04 - Lenovo W510 - SSD Samsung 840 PRO] Sudden Read-Only Filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1269777/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
