[pkg-cryptsetup-devel] Bug#1108554: cryptsetup-suspend: Whole system freezes if user attempts ctrl+alt+fn+number combination after waking up with cryptsetup-suspend

Huey Chen hueychen27 at outlook.com
Tue Jul 1 04:48:57 BST 2025


Package: cryptsetup-suspend
Version: 2:2.8.0-1
Severity: minor
X-Debbugs-Cc: hueychen27 at outlook.com

Dear Maintainer,

When the user tries to use ctrl+alt+fn+number to access the TTY after waking up after suspending-to-ram, the system freezes completely and a reboot is necessary.
Though this seems to be an obscure user action, why is this the case?

Sincerely,
Huey Chen

-- Package-specific info:
-- /proc/cmdline
BOOT_IMAGE=/vmlinuz-6.15-amd64 root=UUID=5f2a3eb7-0caf-4c64-9270-e086e823554f ro rootflags=subvol=@rootfs cryptdevice=UUID=a5ae2b44-128e-4dd2-aa6c-cb1362510e8b:debian_crypt crypto=sha512:aes-xts-plain64:512:0: root=UUID=5f2a3eb7-0caf-4c64-9270-e086e823554f rd.luks.name=5f2a3eb7-0caf-4c64-9270-e086e823554f=debian_crypt rd.luks.options=5f2a3eb7-0caf-4c64-9270-e086e823554f=tpm2-device=auto,password-echo=no,tries=1 rootflags=rw,subvol=@rootfs intel_iommu=on iommu=pt efi=runtime i915.enable_guc=2 zswap.enabled=1 zswap.compressor=lz4

-- /etc/crypttab
# <name>      <device>             <password>    <options>
debian_crypt  PARTLABEL=Debian     none          luks

cryptswap     PARTLABEL=cryptswap  /dev/urandom  swap,plain,cipher=aes-xts-plain64,size=512,sector-size=4096

# /dev/nvme0n1p2 luks1 encrypted boot partition
boot_crypt    PARTLABEL=Boot       none          luks

-- /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# systemd generates mount units based on this file, see systemd.mount(5).
# Please run 'systemctl daemon-reload' after making changes here.
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/nvme0n1p5 during installation, now it's on /dev/mapper/debian_crypt
UUID=5f2a3eb7-0caf-4c64-9270-e086e823554f /                             btrfs    rw,relatime,subvol=/@rootfs     0       0
UUID=5f2a3eb7-0caf-4c64-9270-e086e823554f /var/lib/libvirt              btrfs    rw,relatime,subvol=/@libvirt    0       0
UUID=5f2a3eb7-0caf-4c64-9270-e086e823554f /var/log                      btrfs    rw,relatime,subvol=/@log        0       0
UUID=5f2a3eb7-0caf-4c64-9270-e086e823554f /home                         btrfs    rw,relatime,subvol=/@home       0       0
UUID=5f2a3eb7-0caf-4c64-9270-e086e823554f /opt                          btrfs    rw,relatime,subvol=/@opt        0       0

# /dev/mapper/boot LABEL=boot
UUID=397460c7-e4b6-4238-b692-dffb6ac0afc5 /boot                         ext2     rw,relatime                     0       2

# /boot/efi was on /dev/nvme0n1p1 during installation
UUID=507F-113A                            /boot/efi                     vfat     umask=0077                      0       1

# UUID=8a2c9839-bdc2-473b-90f6-d22d9df70229 none swap sw 0 0
/dev/mapper/cryptswap                     none                          swap     sw,pri=696                              0       0

-- lsmod
Module                  Size  Used by
ccm                    20480  6
snd_seq_dummy          12288  0
snd_hrtimer            12288  1
snd_seq               118784  7 snd_seq_dummy
snd_seq_device         16384  1 snd_seq
nft_masq               12288  3
nft_reject_ipv4        12288  2
act_csum               16384  1
cls_u32                28672  1
sch_htb                45056  1
nf_nat_tftp            12288  0
nf_conntrack_tftp      20480  3 nf_nat_tftp
nft_fib_inet           12288  1
nft_fib_ipv4           12288  1 nft_fib_inet
nft_fib_ipv6           12288  1 nft_fib_inet
nft_fib                12288  3 nft_fib_ipv6,nft_fib_ipv4,nft_fib_inet
bridge                397312  0
nft_reject_inet        12288  13
nf_reject_ipv4         12288  2 nft_reject_ipv4,nft_reject_inet
stp                    12288  1 bridge
nf_reject_ipv6         20480  1 nft_reject_inet
llc                    16384  2 bridge,stp
nft_reject             12288  2 nft_reject_ipv4,nft_reject_inet
nft_ct                 28672  10
nft_chain_nat          12288  5
nf_nat                 65536  3 nf_nat_tftp,nft_masq,nft_chain_nat
nf_conntrack          221184  5 nf_nat,nf_conntrack_tftp,nft_ct,nf_nat_tftp,nft_masq
nf_defrag_ipv6         24576  1 nf_conntrack
nf_defrag_ipv4         12288  1 nf_conntrack
ip_set                 69632  0
nf_tables             413696  528 nft_reject_ipv4,nft_ct,nft_reject_inet,nft_fib_ipv6,nft_fib_ipv4,nft_masq,nft_chain_nat,nft_reject,nft_fib,nft_fib_inet
rfcomm                102400  6
cmac                   12288  3
algif_hash             16384  1
algif_skcipher         12288  1
zram                   57344  1
af_alg                 32768  6 algif_hash,algif_skcipher
lz4hc_compress         20480  1 zram
bnep                   36864  2
lz4_compress           24576  1 zram
sunrpc                888832  1
binfmt_misc            28672  1
nls_ascii              12288  1
nls_cp437              16384  1
vfat                   24576  1
fat                   114688  1 vfat
ext4                 1204224  1
mbcache                16384  1 ext4
jbd2                  196608  1 ext4
sd_mod                 90112  0
sg                     45056  0
btusb                  81920  0
uvcvideo              159744  1
btrtl                  36864  1 btusb
btintel                73728  1 btusb
videobuf2_vmalloc      20480  1 uvcvideo
btbcm                  24576  1 btusb
uvc                    12288  1 uvcvideo
videobuf2_memops       16384  1 videobuf2_vmalloc
btmtk                  32768  1 btusb
videobuf2_v4l2         36864  1 uvcvideo
videodev              393216  2 videobuf2_v4l2,uvcvideo
bluetooth            1089536  34 btrtl,btmtk,btintel,btbcm,bnep,btusb,rfcomm
videobuf2_common       90112  4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
mc                     94208  5 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
crc16                  12288  2 bluetooth,ext4
xe                   3760128  0
drm_gpuvm              45056  1 xe
snd_sof_pci_intel_tgl    12288  0
drm_gpusvm             36864  1 xe
snd_sof_pci_intel_cnl    20480  1 snd_sof_pci_intel_tgl
gpu_sched              65536  1 xe
snd_sof_intel_hda_generic    36864  2 snd_sof_pci_intel_tgl,snd_sof_pci_intel_cnl
snd_ctl_led            28672  0
drm_ttm_helper         16384  1 xe
soundwire_intel        86016  1 snd_sof_intel_hda_generic
drm_exec               12288  2 drm_gpuvm,xe
snd_hda_codec_conexant    36864  1
soundwire_generic_allocation    20480  1 soundwire_intel
drm_suballoc_helper    20480  1 xe
snd_hda_codec_generic   135168  1 snd_hda_codec_conexant
snd_sof_intel_hda_sdw_bpt    20480  1 soundwire_intel
snd_sof_intel_hda_common   196608  4 snd_sof_intel_hda_sdw_bpt,snd_sof_intel_hda_generic,snd_sof_pci_intel_tgl,snd_sof_pci_intel_cnl
snd_soc_hdac_hda       28672  1 snd_sof_intel_hda_common
snd_sof_intel_hda_mlink    45056  4 snd_sof_intel_hda_sdw_bpt,soundwire_intel,snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_sof_intel_hda      24576  2 snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_hda_codec_hdmi     94208  1
soundwire_cadence      53248  1 soundwire_intel
snd_sof_pci            24576  3 snd_sof_intel_hda_generic,snd_sof_pci_intel_tgl,snd_sof_pci_intel_cnl
snd_sof_xtensa_dsp     16384  1 snd_sof_intel_hda_generic
uas                    32768  0
snd_sof               421888  6 snd_sof_intel_hda_sdw_bpt,snd_sof_pci,snd_sof_intel_hda_common,snd_sof_intel_hda_generic,snd_sof_intel_hda,snd_sof_pci_intel_cnl
usb_storage            90112  1 uas
scsi_mod              331776  4 sd_mod,usb_storage,uas,sg
snd_sof_utils          16384  1 snd_sof
joydev                 32768  0
scsi_common            16384  5 scsi_mod,sd_mod,usb_storage,uas,sg
snd_soc_acpi_intel_match   135168  3 snd_sof_intel_hda_generic,snd_sof_pci_intel_tgl,snd_sof_pci_intel_cnl
snd_soc_acpi_intel_sdca_quirks    12288  1 snd_soc_acpi_intel_match
i915                 4886528  55
snd_soc_acpi           16384  2 snd_soc_acpi_intel_match,snd_sof_intel_hda_generic
crc8                   12288  1 soundwire_cadence
soundwire_bus        1183744  3 soundwire_intel,soundwire_generic_allocation,soundwire_cadence
intel_uncore_frequency    12288  0
intel_uncore_frequency_common    16384  1 intel_uncore_frequency
snd_soc_sdca           36864  2 snd_soc_acpi_intel_sdca_quirks,soundwire_bus
snd_soc_avs           233472  0
x86_pkg_temp_thermal    16384  0
intel_powerclamp       20480  0
snd_soc_hda_codec      24576  1 snd_soc_avs
snd_hda_ext_core       36864  7 snd_sof_intel_hda_sdw_bpt,snd_soc_avs,snd_soc_hda_codec,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda_mlink,snd_sof_intel_hda
rtw89_8852be           12288  0
coretemp               24576  0
rtw89_8852b           352256  1 rtw89_8852be
snd_soc_core          446464  6 snd_soc_avs,snd_soc_hda_codec,soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hda
kvm_intel             434176  0
rtw89_8852b_common     69632  1 rtw89_8852b
snd_compress           28672  2 snd_soc_avs,snd_soc_core
rtw89_pci              98304  1 rtw89_8852be
snd_pcm_dmaengine      16384  1 snd_soc_core
drm_buddy              24576  2 xe,i915
kvm                  1470464  1 kvm_intel
ttm                   135168  3 drm_ttm_helper,xe,i915
rtw89_core            925696  3 rtw89_8852b,rtw89_pci,rtw89_8852b_common
snd_hda_intel          65536  1
processor_thermal_device_pci    16384  0
drm_display_helper    294912  2 xe,i915
irqbypass              12288  1 kvm
snd_intel_dspcfg       40960  5 snd_soc_avs,snd_hda_intel,snd_sof,snd_sof_intel_hda_common,snd_sof_intel_hda_generic
processor_thermal_device    20480  1 processor_thermal_device_pci
cec                    73728  3 drm_display_helper,xe,i915
ghash_clmulni_intel    16384  0
hid_multitouch         36864  0
snd_intel_sdw_acpi     16384  2 snd_intel_dspcfg,snd_sof_intel_hda_generic
processor_thermal_wt_hint    16384  2 processor_thermal_device_pci,processor_thermal_device
processor_thermal_rfim    45056  1 processor_thermal_device
mac80211             1634304  2 rtw89_core,rtw89_pci
snd_hda_codec         225280  8 snd_hda_codec_generic,snd_hda_codec_conexant,snd_soc_avs,snd_hda_codec_hdmi,snd_soc_hda_codec,snd_hda_intel,snd_soc_hdac_hda,snd_sof_intel_hda
iTCO_wdt               16384  0
rc_core                77824  1 cec
sha512_ssse3           53248  0
hid_generic            12288  0
sdhci_pci             110592  0
intel_rapl_msr         20480  0
processor_thermal_rapl    16384  1 processor_thermal_device
intel_pmc_bxt          16384  1 iTCO_wdt
snd_hda_core          155648  11 snd_hda_codec_generic,snd_hda_codec_conexant,snd_soc_avs,snd_hda_codec_hdmi,snd_soc_hda_codec,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda
sha256_ssse3           36864  0
drm_client_lib         12288  2 xe,i915
sdhci_uhs2             32768  1 sdhci_pci
intel_rapl_common      53248  2 intel_rapl_msr,processor_thermal_rapl
xhci_pci               24576  0
iTCO_vendor_support    12288  1 iTCO_wdt
libarc4                12288  1 mac80211
sha1_ssse3             32768  0
snd_hwdep              24576  1 snd_hda_codec
ucsi_acpi              12288  0
snd_pcm               212992  13 snd_soc_avs,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_compress,snd_sof_intel_hda_generic,snd_soc_core,snd_sof_utils,snd_hda_core,snd_pcm_dmaengine
rapl                   20480  0
mei_hdcp               28672  0
mei_pxp                16384  0
watchdog               53248  1 iTCO_wdt
xhci_hcd              401408  1 xhci_pci
processor_thermal_wt_req    12288  1 processor_thermal_device
typec_ucsi             69632  1 ucsi_acpi
cfg80211             1466368  3 rtw89_core,mac80211,rtw89_8852b_common
i2c_hid_acpi           12288  0
drm_kms_helper        249856  5 drm_display_helper,drm_ttm_helper,drm_client_lib,xe,i915
ideapad_laptop         53248  0
sdhci                  98304  2 sdhci_uhs2,sdhci_pci
snd_timer              53248  3 snd_seq,snd_hrtimer,snd_pcm
intel_cstate           20480  0
wmi_bmof               12288  0
processor_thermal_power_floor    12288  2 processor_thermal_device_pci,processor_thermal_device
sparse_keymap          12288  1 ideapad_laptop
intel_lpss_pci         28672  0
typec                 122880  1 typec_ucsi
intel_pmc_core        143360  0
intel_uncore          270336  0
usbcore               425984  7 xhci_hcd,btmtk,usb_storage,uvcvideo,btusb,xhci_pci,uas
pcspkr                 12288  0
mei_me                 57344  2
cqhci                  32768  1 sdhci_pci
i2c_hid                45056  1 i2c_hid_acpi
snd                   159744  18 snd_ctl_led,snd_hda_codec_generic,snd_seq,snd_hda_codec_conexant,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_sof,snd_timer,snd_compress,snd_soc_core,snd_pcm
i2c_algo_bit           16384  2 xe,i915
processor_thermal_mbox    12288  4 processor_thermal_power_floor,processor_thermal_wt_req,processor_thermal_rfim,processor_thermal_wt_hint
i2c_i801               32768  0
platform_profile       16384  1 ideapad_laptop
int3403_thermal        16384  0
intel_lpss             12288  1 intel_lpss_pci
roles                  16384  1 typec_ucsi
pmt_telemetry          16384  1 intel_pmc_core
mmc_core              282624  4 sdhci_uhs2,sdhci,cqhci,sdhci_pci
rfkill                 45056  7 rtw89_core,bluetooth,ideapad_laptop,cfg80211
i2c_smbus              16384  1 i2c_i801
video                  81920  3 ideapad_laptop,xe,i915
soundcore              16384  2 snd_ctl_led,snd
mei                   188416  5 mei_hdcp,mei_pxp,mei_me
idma64                 20480  0
int3400_thermal        24576  0
usb_common             20480  4 xhci_hcd,usbcore,uvcvideo,typec_ucsi
pmt_class              16384  1 pmt_telemetry
hid                   274432  3 i2c_hid,hid_multitouch,hid_generic
mei_vsc_hw             20480  0
int340x_thermal_zone    16384  2 int3403_thermal,processor_thermal_device
button                 24576  0
battery                28672  0
igen6_edac             28672  0
ac                     16384  0
wmi                    28672  3 video,wmi_bmof,ideapad_laptop
acpi_thermal_rel       24576  1 int3400_thermal
intel_vsec             20480  2 intel_pmc_core,xe
acpi_pad              184320  0
msr                    12288  0
i2c_dev                28672  0
parport_pc             45056  0
ppdev                  24576  0
drm                   823296  33 gpu_sched,i2c_hid,drm_kms_helper,drm_exec,drm_gpuvm,drm_suballoc_helper,drm_display_helper,drm_buddy,drm_ttm_helper,drm_client_lib,xe,i915,ttm
lp                     36864  0
parport                81920  3 parport_pc,lp,ppdev
configfs               69632  1
efi_pstore             12288  0
nfnetlink              20480  4 nf_tables,ip_set
efivarfs               28672  1
ip_tables              28672  0
x_tables               61440  1 ip_tables
autofs4                61440  2
crc32c_generic         12288  1
btrfs                2281472  1
blake2b_generic        20480  0
xor                    20480  1 btrfs
raid6_pq              131072  1 btrfs
dm_crypt               69632  3
dm_mod                229376  7 dm_crypt
nvme                   65536  4
nvme_core             241664  5 nvme
aesni_intel           114688  14
crypto_simd            16384  1 aesni_intel
evdev                  32768  12
nvme_keyring           20480  1 nvme_core
cryptd                 28672  6 crypto_simd,ghash_clmulni_intel
serio_raw              16384  0
nvme_auth              32768  1 nvme_core
fan                    24576  0


-- System Information:
Debian Release: 13.0
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.15-amd64 (SMP w/12 CPU threads; PREEMPT)
Kernel taint flags: TAINT_USER
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages cryptsetup-suspend depends on:
ii  cryptsetup-initramfs  2:2.8.0-1
ii  initramfs-tools-core  0.149
ii  kbd                   2.7.1-2+exp1
ii  libc6                 2.41-9
ii  libcryptsetup12       2:2.8.0-1
ii  systemd               257.7-1

cryptsetup-suspend recommends no packages.

cryptsetup-suspend suggests no packages.

-- no debconf information



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