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Groups > linux.debian.kernel > #91645 > unrolled thread
| Started by | "Sanjoy Mahajan" <sanjoy@mit.edu> |
|---|---|
| First post | 2026-03-14 08:40 +0100 |
| Last post | 2026-03-14 11:30 +0100 |
| Articles | 2 — 1 participant |
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Bug#1130605: suspend hangs with all kernels that I've tried "Sanjoy Mahajan" <sanjoy@mit.edu> - 2026-03-14 08:40 +0100
Bug#1130605: I needed to disable systemd's user-slice freezing "Sanjoy Mahajan" <sanjoy@mit.edu> - 2026-03-14 11:30 +0100
| From | "Sanjoy Mahajan" <sanjoy@mit.edu> |
|---|---|
| Date | 2026-03-14 08:40 +0100 |
| Subject | Bug#1130605: suspend hangs with all kernels that I've tried |
| Message-ID | <MyrLk-7mN0-11@gated-at.bofh.it> |
I've done more testing, and the problem now happens with all the kernel packages that I've tried: linux-image-6.12.63+deb13-amd64 linux-image-6.17.11+deb14-amd64 linux-image-6.18.5+deb14-amd64 linux-image-6.19.6+deb14-amd64 So, the problem is probably due to an upgrade to another package. One guess is systemd, because many of the error messages say that the hung process is systemd-sleep . -- -Sanjoy
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| From | "Sanjoy Mahajan" <sanjoy@mit.edu> |
|---|---|
| Date | 2026-03-14 11:30 +0100 |
| Subject | Bug#1130605: I needed to disable systemd's user-slice freezing |
| Message-ID | <MyupP-7oFM-1@gated-at.bofh.it> |
| In reply to | #91645 |
The following solution, or workaround, works for me (found on <https://bbs.archlinux.org/viewtopic.php?id=296954>). I made a file /etc/systemd/system/systemd-suspend.service.d/override.conf containing these two lines: [Service] Environment="SYSTEMD_SLEEP_FREEZE_USER_SESSIONS=false" (I did so via "systemctl edit systemd-suspend.service") Now suspend works reliably. Apparently this new behavior, of freezing the user slice, was introduced in systemd 256, so I must have been running an earlier version for a while. Anyway, now I am running systemd 260~rc4-1 (kernel 6.19.6+deb14-amd64). This solution was proposed first to solve suspend problems with properietary NVIDIA drivers. However, I had similar suspend problems without any proprietary drivers (the laptop uses intel graphics), and the same solution worked for me as for the NVIDIA users. -Sanjoy P.S. A few sites describe the new configuration slightly incorrectly and give the magic line simply as SYSTEMD_SLEEP_FREEZE_USER_SESSIONS=false
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