[Kernel-packages] [Bug 1874194] Re: Ubuntu 20.04 HDMI connected, no boot

*** This bug is a duplicate of bug 1872159 *** https://bugs.launchpad.net/bugs/1872159 Same problem with Ubunt 20.04.1 LTS, HP elitebook PC && DELL external monitor. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. htt

[Kernel-packages] [Bug 993507] Re: ATA errors when link_power_management_policy is min_power

I tested using the kernel from http://kernel.ubuntu.com/~kernel- ppa/mainline/v3.12-trusty/ I'm still getting the same errors in dmesg, triggered by running apt-get upgrade: [ 329.070415] ata3.00: exception Emask 0x0 SAct 0x1 SErr 0x4 action 0x6 frozen [ 329.070423] ata3: SError: { CommWak

[Kernel-packages] [Bug 993507] Re: ATA errors when link_power_management_policy is min_power

Upgraded to the latest BIOS, bug still present. Here's what I did: 1. echo min_power |sudo tee /sys/class/scsi_host/host*/link_power_management_policy 2. Provoked disk activity by starting Firefox. Everything hangs for a while, messages in dmesg pasted below. 3. Returned to normal operation with