Public bug reported:
Since updating to Focal my laptop stopped suspending reliably. It will
sit there either without display or with the desktop stuck for almost a
minute before it goes back to work again.
Looking at the kernel logs this seems to be related to a FUSE mount that
I have running:
sty 22 09:00:49 michal-laptop kernel: Call Trace:
sty 22 09:00:49 michal-laptop kernel: __schedule+0x2e3/0x740
sty 22 09:00:49 michal-laptop kernel: schedule+0x42/0xb0
sty 22 09:00:49 michal-laptop kernel: request_wait_answer+0xa0/0x200
sty 22 09:00:49 michal-laptop kernel: ? wait_woken+0x80/0x80
sty 22 09:00:49 michal-laptop kernel: fuse_simple_request+0x177/0x260
sty 22 09:00:49 michal-laptop kernel: fuse_send_readpages.isra.0+0xea/0xf0
sty 22 09:00:49 michal-laptop kernel: fuse_readpages+0xbc/0x110
sty 22 09:00:49 michal-laptop kernel: read_pages+0x71/0x1a0
sty 22 09:00:49 michal-laptop kernel: __do_page_cache_readahead+0x180/0x1a0
sty 22 09:00:49 michal-laptop kernel: ondemand_readahead+0x192/0x2d0
sty 22 09:00:49 michal-laptop kernel: page_cache_sync_readahead+0x78/0xc0
sty 22 09:00:49 michal-laptop kernel: generic_file_buffered_read+0x571/0xc00
sty 22 09:00:49 michal-laptop kernel: ? ima_file_check+0x5a/0x80
sty 22 09:00:49 michal-laptop kernel: ? do_last+0x194/0x940
sty 22 09:00:49 michal-laptop kernel: generic_file_read_iter+0xdc/0x140
sty 22 09:00:49 michal-laptop kernel: fuse_file_read_iter+0x101/0x130
sty 22 09:00:49 michal-laptop kernel: ? do_filp_open+0xa5/0x100
sty 22 09:00:49 michal-laptop kernel: new_sync_read+0x122/0x1b0
sty 22 09:00:49 michal-laptop kernel: __vfs_read+0x29/0x40
sty 22 09:00:49 michal-laptop kernel: vfs_read+0xab/0x160
sty 22 09:00:49 michal-laptop kernel: ksys_read+0x67/0xe0
sty 22 09:00:49 michal-laptop kernel: __x64_sys_read+0x1a/0x20
sty 22 09:00:49 michal-laptop kernel: do_syscall_64+0x57/0x190
sty 22 09:00:49 michal-laptop kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
sty 22 09:00:49 michal-laptop kernel: RIP: 0033:0x7f432f9e4b1d
sty 22 09:00:49 michal-laptop kernel: Code: Bad RIP value.
sty 22 09:00:49 michal-laptop kernel: RSP: 002b:00007f430bffda28 EFLAGS:
00000246 ORIG_RAX: 0000000000000000
sty 22 09:00:49 michal-laptop kernel: RAX: ffffffffffffffda RBX:
000000000000492a RCX: 00007f432f9e4b1d
sty 22 09:00:49 michal-laptop kernel: RDX: 0000000000001000 RSI:
00007f430bffda40 RDI: 0000000000000011
sty 22 09:00:49 michal-laptop kernel: RBP: 00007f430bffda40 R08:
0000000000000000 R09: 00007f430bffd9a8
sty 22 09:00:49 michal-laptop kernel: R10: 0000000000000000 R11:
0000000000000246 R12: 00007f4300004670
sty 22 09:00:49 michal-laptop kernel: R13: 0000562dc32aaac0 R14:
0000000000000011 R15: 0000562dc32aaac0
A longer kernel log is attached.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-9-generic 5.4.0-9.12
ProcVersionSignature: Ubuntu 5.4.0-9.12-generic 5.4.3
Uname: Linux 5.4.0-9-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu15
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: michal 6829 F.... pulseaudio
/dev/snd/controlC0: michal 6829 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Wed Jan 22 08:54:14 2020
InstallationDate: Installed on 2019-11-19 (63 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: Dell Inc. XPS 12-9Q33
ProcEnviron:
TERM=screen-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=pl_PL.UTF-8
SHELL=/bin/zsh
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_i2bkio@/vmlinuz-5.4.0-9-generic
root=ZFS=rpool/ROOT/ubuntu_i2bkio ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-5.4.0-9-generic N/A
linux-backports-modules-5.4.0-9-generic N/A
linux-firmware 1.184
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-01-20 (1 days ago)
dmi.bios.date: 03/03/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: XPS 12-9Q33
dmi.board.vendor: Dell Inc.
dmi.board.version: A08
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias:
dmi:bvnDellInc.:bvrA08:bd03/03/2015:svnDellInc.:pnXPS12-9Q33:pvrA08:rvnDellInc.:rnXPS12-9Q33:rvrA08:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: XPS 12-9Q33
dmi.product.sku: XPS 12-9Q33
dmi.product.version: A08
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug champagne focal
** Attachment added: "kernel.log"
https://bugs.launchpad.net/bugs/1860512/+attachment/5322102/+files/kernel.log
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https://bugs.launchpad.net/bugs/1860512
Title:
Suspend unreliable (possibly FUSE related)
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