Hi, May I ask for one more test? Looking at the code some more, I don't think I can just remove the return. The root of the problem is hard reset fails and sata_link_hardreset() is never able to reconfigure the speed. This patch sets link->sata_spd_limit before returning, I have been testing linux-4.19-rc1 successfully with a 6Gb drive on AHCI platform.
Would you mind testing this patch with no debug? If all goes well, I will submit upstream. Thanks. ** Patch added: "0001-libata-sata_down_spd_limit-should-record-link-speed-.patch" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1783906/+attachment/5185790/+files/0001-libata-sata_down_spd_limit-should-record-link-speed-.patch -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1783906 Title: Linux 4.15 and onwards fails to initialize some hard drives Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: In Progress Status in linux source package in Cosmic: In Progress Bug description: I have two hard drives, the main hard drive is a TOSHIBA DT01ACA200 the second backup hard drive is a Western Digital WD5003AZEX. I installed lubuntu 18.04.1 on the Toshiba HDD and it boots just fine, the issue is with the second hard drive, when installing the WD HDD wouldn't even come as an option to install, and after boot the WD HDD still wouldn't come up, this is the dmesg with the stock kernel (4.15) https://paste.ubuntu.com/p/kpxh94v2SK/ ata6 is the WD HDD that refuses to work. The messages: [ 302.107650] ata6: SError: { CommWake 10B8B Dispar DevExch } [ 302.107658] ata6: hard resetting link [ 307.860291] ata6: link is slow to respond, please be patient (ready=0) [ 312.120898] ata6: COMRESET failed (errno=-16) [ 363.445120] INFO: task kworker/u8:5:201 blocked for more than 120 seconds. [ 363.445131] Not tainted 4.15.0-29-generic #31-Ubuntu [ 363.445135] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 363.445140] kworker/u8:5 D 0 201 2 0x80000000 [ 363.445155] Workqueue: events_unbound async_run_entry_fn [ 363.445157] Call Trace: [ 363.445171] __schedule+0x291/0x8a0 [ 363.445177] schedule+0x2c/0x80 [ 363.445182] ata_port_wait_eh+0x7c/0xf0 [ 363.445186] ? wait_woken+0x80/0x80 [ 363.445189] ata_port_probe+0x28/0x40 [ 363.445192] async_port_probe+0x2e/0x52 [ 363.445196] async_run_entry_fn+0x3c/0x150 [ 363.445199] process_one_work+0x1de/0x410 [ 363.445203] worker_thread+0x32/0x410 [ 363.445207] kthread+0x121/0x140 [ 363.445210] ? process_one_work+0x410/0x410 [ 363.445214] ? kthread_create_worker_on_cpu+0x70/0x70 [ 363.445218] ret_from_fork+0x22/0x40 Repeat constantly. Also when I try to turn off the computer, the computer seem to freeze, the lights of the keyboard and mouse turn off and the computer just stay on. I tried Tiny Core 9.0 which has linux 4.14.10, and i didn't had this issue, i also installed linux 4.14 on this lubuntu 18.04 using Ukuu Kernel Update Utility. And with this kernel version, or any previous version the WD HDD does work again. Here's a dmesg of lubuntu 18.04 with linux 4.14 and the WD HDD finally coming up at the end: https://paste.ubuntu.com/p/Gd3cGFbjTJ/ Also tried with with linux 4.17 but the WD HDD would also refuse to work on this version. Here's another dmesg with this version: https://paste.ubuntu.com/p/PmNn96vZZv/ ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-29-generic 4.15.0-29.31 ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18 Uname: Linux 4.15.0-29-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version k4.15.0-29-generic. ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: testtest 756 F.... pulseaudio /dev/snd/controlC1: testtest 756 F.... pulseaudio Card0.Amixer.info: Card hw:0 'NVidia_1'/'HDA NVidia at 0xfe020000 irq 22' Mixer name : 'Realtek ALC1200' Components : 'HDA:10ec0888,10ec0000,00100101 HDA:10de0002,10de0101,00100000' Controls : 56 Simple ctrls : 21 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xfcffc000 irq 16' Mixer name : 'Nvidia GPU 42 HDMI/DP' Components : 'HDA:10de0042,38422651,00100100' Controls : 21 Simple ctrls : 3 CurrentDesktop: LXDE Date: Thu Jul 26 17:10:58 2018 HibernationDevice: RESUME=UUID=17e70869-516d-4b63-b900-e92e3c4b73b6 InstallationDate: Installed on 2018-07-26 (0 days ago) InstallationMedia: Lubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) MachineType: 113 1 ProcFB: 0 nouveaufb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-29-generic root=UUID=71cf0a32-7827-49be-a2c0-cd50a72c26a1 ro quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.15.0-29-generic N/A linux-backports-modules-4.15.0-29-generic N/A linux-firmware 1.173.1 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/30/2008 dmi.bios.vendor: Phoenix Technologies, LTD dmi.bios.version: 6.00 PG dmi.board.name: 113-M2-E113 dmi.board.vendor: EVGA dmi.board.version: 1 dmi.chassis.asset.tag: Unknow dmi.chassis.type: 3 dmi.chassis.vendor: EVGA dmi.chassis.version: 113-M2-E113 dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd09/30/2008:svn113:pn1:pvr1:rvnEVGA:rn113-M2-E113:rvr1:cvnEVGA:ct3:cvr113-M2-E113: dmi.product.name: 1 dmi.product.version: 1 dmi.sys.vendor: 113 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1783906/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
