https://bugzilla.kernel.org/show_bug.cgi?id=219296 Bug ID: 219296 Summary: libahci driver and power switching HDD on newer kernels Product: SCSI Drivers Version: 2.5 Hardware: Intel OS: Linux Status: NEW Severity: normal Priority: P3 Component: Other Assignee: scsi_drivers-other@xxxxxxxxxxxxxxxxxxxx Reporter: linuxcdeveloper@xxxxxxxxx Regression: No Hi, I've got some problems with newer kernels during hibernation and waking up from hibernation. The symptom of the issue is that there is HDD power switching executed after I run pm-hibernate command and the same HDD power switching during the wake up process from hibernation. As the HDD power switch process I mean: powering off my HDD and immediately after that powering on the HDD. This process in my case takes about 1 second. Here there are more details about both operations: hibernation and waking up: Hibernation process: 1. in shell I type: "pm-hibernate" 2. kernel is preparing system to hibernation 3. hdd is powered off and immediately powered on - it takes about one second or less to do the power switch 4. kernel is saving mem image to swap partition with printing progress in percentage 5. PC and HDD are powered off Waking up process: 1. my PC and HDD are powered off, I'm pressing any key on my keyboard so it is powering up my PC 2. kernel is starting, recognizes that there is mem image on swap and starting to load it - printing progress percentage 3. hdd is powered off and immediately powered on - it takes about one second or less to do the power switch 4. system is ready to use and working fine So to sum up - in both processes described above the problematic step is the step 3. I noticed some errors in dmesg coming from ahci driver like these: Sep 11 15:49:30 localhost kernel: ahci 0000:00:17.0: port does not support device sleep and ACPI BIOS errors like these: Sep 11 15:49:30 localhost kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT0._GTF.DSSP], AE_NOT_FOUND (20240322/psargs-330) The mainboard I use is: Gigabyte Z370 HD3P with the newest available BIOS update F14. I bisected this git repo: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git and here is the log from bisection: git bisect start # status: waiting for both good and bad commits # good: [05d8970cca014b96c06c3730ae084f08087f13dd] Linux 6.4.12 git bisect good 05d8970cca014b96c06c3730ae084f08087f13dd # status: waiting for bad commit, 1 good commit known # bad: [004dcea13dc10acaf1486d9939be4c793834c13c] Linux 6.7.5 git bisect bad 004dcea13dc10acaf1486d9939be4c793834c13c # good: [6995e2de6891c724bfeb2db33d7b87775f913ad1] Linux 6.4 git bisect good 6995e2de6891c724bfeb2db33d7b87775f913ad1 # good: [b84acc11b1c9552c9ca3a099b1610a6018619332] Merge tag 'fbdev-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev git bisect good b84acc11b1c9552c9ca3a099b1610a6018619332 # bad: [8bc9e6515183935fa0cccaf67455c439afe4982b] Merge tag 'devicetree-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux git bisect bad 8bc9e6515183935fa0cccaf67455c439afe4982b # bad: [1002f8171d966f73e3d97b05fc0178e115fb5dca] wifi: ray_cs: Remove unnecessary (void*) conversions git bisect bad 1002f8171d966f73e3d97b05fc0178e115fb5dca # good: [535a265d7f0dd50d8c3a4f8b4f3a452d56bd160f] Merge tag 'perf-tools-for-v6.6-1-2023-09-05' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools git bisect good 535a265d7f0dd50d8c3a4f8b4f3a452d56bd160f # bad: [e8c127b0576660da9195504fe8393fe9da3de9ce] Merge tag 'net-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net git bisect bad e8c127b0576660da9195504fe8393fe9da3de9ce # good: [c7bd8a1f45bada7725d11266df7fd5cb549b3098] iommu/apple-dart: Handle DMA_FQ domains in attach_dev() git bisect good c7bd8a1f45bada7725d11266df7fd5cb549b3098 # bad: [cb84fb87f325ecd46be586b62623db5b2c0a792e] Merge tag 'integrity-v6.6-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity git bisect bad cb84fb87f325ecd46be586b62623db5b2c0a792e # bad: [ba77f7a63f4e4d4ffa5ad8c6665a104822992538] Merge tag '6.6-rc3-smb3-client-fix' of git://git.samba.org/sfrench/cifs-2.6 git bisect bad ba77f7a63f4e4d4ffa5ad8c6665a104822992538 # good: [b02afe1df518369dd322f48b49e50efc49250575] Merge tag 'xtensa-20230928' of https://github.com/jcmvbkbc/linux-xtensa git bisect good b02afe1df518369dd322f48b49e50efc49250575 # good: [6edc84bc3f8aceae74eb63684d53c17553382ec0] Merge tag 'drm-fixes-2023-09-29' of git://anongit.freedesktop.org/drm/drm git bisect good 6edc84bc3f8aceae74eb63684d53c17553382ec0 # bad: [95289e49f0a05f729a9ff86243c9aff4f34d4041] Merge tag 'ata-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata git bisect bad 95289e49f0a05f729a9ff86243c9aff4f34d4041 # bad: [75e2bd5f1ede42a2bc88aa34b431e1ace8e0bea0] ata: libata-core: Do not register PM operations for SAS ports git bisect bad 75e2bd5f1ede42a2bc88aa34b431e1ace8e0bea0 # good: [84d76529c650f887f1e18caee72d6f0589e1baf9] ata: libata-core: Fix port and device removal git bisect good 84d76529c650f887f1e18caee72d6f0589e1baf9 # bad: [aa3998dbeb3abce63653b7f6d4542e7dcd022590] ata: libata-scsi: Disable scsi device manage_system_start_stop git bisect bad aa3998dbeb3abce63653b7f6d4542e7dcd022590 # good: [3cc2ffe5c16dc65dfac354bc5b5bc98d3b397567] scsi: sd: Differentiate system and runtime start/stop management git bisect good 3cc2ffe5c16dc65dfac354bc5b5bc98d3b397567 # first bad commit: [aa3998dbeb3abce63653b7f6d4542e7dcd022590] ata: libata-scsi: Disable scsi device manage_system_start_stop -- You may reply to this email to add a comment. 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