On Fri Aug 18, 2023 at 1:33 AM EEST, Jarkko Sakkinen wrote: > On Fri Aug 18, 2023 at 1:25 AM EEST, Todd Brandt wrote: > > On Fri, 2023-08-18 at 00:47 +0300, Jarkko Sakkinen wrote: > > > On Fri Aug 18, 2023 at 12:09 AM EEST, Todd Brandt wrote: > > > > While testing S3 on 6.5.0-rc6 we've found that 5 systems are seeing > > > > a > > > > crash and reboot situation when S3 suspend is initiated. To > > > > reproduce > > > > it, this call is all that's required "sudo sleepgraph -m mem > > > > -rtcwake > > > > 15". > > > > > > 1. Are there logs available? > > > 2. Is this the test case: https://pypi.org/project/sleepgraph/ (never > > > used it before). > > > > There are no dmesg logs because the S3 crash wipes them out. Sleepgraph > > isn't actually necessary to activate it, just an S3 suspend "echo mem > > > /sys/power/state". > > > > So far it appears to only have affected test systems, not production > > hardware, and none of them have TPM chips, so I'm beginning to wonder > > if this patch just inadvertently activated a bug somewhere else in the > > kernel that happens to affect test hardware. > > > > I'll continue to debug it, this isn't an emergency as so far I haven't > > seen it in production hardware. > > OK, I'll still see if I could reproduce it just in case. I created a BR environment for QA: https://github.com/jarkkojs/buildroot-tpmdd/tree/linux-6.5.y Building: make qemu_x64_64_config && make Transcript: $ output/images/start-qemu.sh --use-system-swtpm --serial-only --rtc Enable SWTPM Enable RTC SeaBIOS (version rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org) iPXE (http://ipxe.org) 00:03.0 CA00 PCI2.10 PnP PMM+06FD0F20+06F30F20 CA00 Booting from ROM.. Linux version 6.5.0-rc6 (jarkko@suppilovahvero) (x86_64-buildroot-linux-gnu-gcc.br_real (Buildroot 2023.08-rc1-94-gc4bbd4b659) 12.3.0, GNU ld (GNU Binutils) 2.40) #2 SMP PREEMPT_DYNAMIC Fri Aug 18 19:35:50 EEST 2023 Command line: rootwait root=/dev/vda console=tty1 console=ttyS0 BIOS-provided physical RAM map: BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved BIOS-e820: [mem 0x0000000000100000-0x0000000007fccfff] usable BIOS-e820: [mem 0x0000000007fcd000-0x0000000007ffffff] reserved BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved BIOS-e820: [mem 0x000000fd00000000-0x000000ffffffffff] reserved NX (Execute Disable) protection: active SMBIOS 2.8 present. DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org 04/01/2014 tsc: Fast TSC calibration using PIT tsc: Detected 2995.194 MHz processor last_pfn = 0x7fcd max_arch_pfn = 0x400000000 MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT found SMP MP-table at [mem 0x000f5b90-0x000f5b9f] ACPI: Early table checksum verification disabled ACPI: RSDP 0x00000000000F59B0 000014 (v00 BOCHS ) ACPI: RSDT 0x0000000007FD1DA8 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: FACP 0x0000000007FD1C10 000074 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: DSDT 0x0000000007FD0040 001BD0 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: FACS 0x0000000007FD0000 000040 ACPI: APIC 0x0000000007FD1C84 000078 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: HPET 0x0000000007FD1CFC 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: TPM2 0x0000000007FD1D34 00004C (v04 BOCHS BXPC 00000001 BXPC 00000001) ACPI: WAET 0x0000000007FD1D80 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: Reserving FACP table memory at [mem 0x7fd1c10-0x7fd1c83] ACPI: Reserving DSDT table memory at [mem 0x7fd0040-0x7fd1c0f] ACPI: Reserving FACS table memory at [mem 0x7fd0000-0x7fd003f] ACPI: Reserving APIC table memory at [mem 0x7fd1c84-0x7fd1cfb] ACPI: Reserving HPET table memory at [mem 0x7fd1cfc-0x7fd1d33] ACPI: Reserving TPM2 table memory at [mem 0x7fd1d34-0x7fd1d7f] ACPI: Reserving WAET table memory at [mem 0x7fd1d80-0x7fd1da7] Zone ranges: DMA [mem 0x0000000000001000-0x0000000000ffffff] DMA32 [mem 0x0000000001000000-0x0000000007fccfff] Normal empty Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000000001000-0x000000000009efff] node 0: [mem 0x0000000000100000-0x0000000007fccfff] Initmem setup node 0 [mem 0x0000000000001000-0x0000000007fccfff] On node 0, zone DMA: 1 pages in unavailable ranges On node 0, zone DMA: 97 pages in unavailable ranges On node 0, zone DMA32: 51 pages in unavailable ranges ACPI: PM-Timer IO Port: 0x608 ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) ACPI: Using ACPI (MADT) for SMP configuration information ACPI: HPET id: 0x8086a201 base: 0xfed00000 smpboot: Allowing 1 CPUs, 0 hotplug CPUs [mem 0x08000000-0xfffbffff] available for PCI devices Booting paravirtualized kernel on bare hardware clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns setup_percpu: NR_CPUS:64 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:1 percpu: Embedded 44 pages/cpu s140520 r8192 d31512 u2097152 Kernel command line: rootwait root=/dev/vda console=tty1 console=ttyS0 Dentry cache hash table entries: 16384 (order: 5, 131072 bytes, linear) Inode-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) Built 1 zonelists, mobility grouping on. Total pages: 31949 mem auto-init: stack:all(zero), heap alloc:off, heap free:off Memory: 104524K/130476K available (10240K kernel code, 943K rwdata, 6612K rodata, 1776K init, 1272K bss, 25692K reserved, 0K cma-reserved) SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 Dynamic Preempt: none rcu: Preemptible hierarchical RCU implementation. rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=1. rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 NR_IRQS: 4352, nr_irqs: 48, preallocated irqs: 16 rcu: srcu_init: Setting srcu_struct sizes based on contention. Console: colour VGA+ 80x25 printk: console [tty1] enabled printk: console [ttyS0] enabled ACPI: Core revision 20230331 clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns APIC: Switch to symmetric I/O mode setup ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x2b2c89527d5, max_idle_ns: 440795312054 ns Calibrating delay loop (skipped), value calculated using timer frequency.. 5990.38 BogoMIPS (lpj=11980776) process: using AMD E400 aware idle routine Last level iTLB entries: 4KB 512, 2MB 255, 4MB 127 Last level dTLB entries: 4KB 512, 2MB 255, 4MB 127, 1GB 0 Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization Spectre V2 : Mitigation: Retpolines Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT x86/fpu: x87 FPU will use FXSAVE Freeing SMP alternatives memory: 28K pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 512 (order: 0, 4096 bytes, linear) Mountpoint-cache hash table entries: 512 (order: 0, 4096 bytes, linear) smpboot: CPU0: AMD QEMU Virtual CPU version 2.5+ (family: 0xf, model: 0x6b, stepping: 0x1) Performance Events: PMU not available due to virtualization, using software events only. signal: max sigframe size: 1040 rcu: Hierarchical SRCU implementation. rcu: Max phase no-delay instances is 1000. smp: Bringing up secondary CPUs ... smp: Brought up 1 node, 1 CPU smpboot: Max logical packages: 1 smpboot: Total of 1 processors activated (5990.38 BogoMIPS) devtmpfs: initialized clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns futex hash table entries: 256 (order: 2, 16384 bytes, linear) NET: Registered PF_NETLINK/PF_ROUTE protocol family thermal_sys: Registered thermal governor 'step_wise' thermal_sys: Registered thermal governor 'user_space' cpuidle: using governor ladder PCI: Using configuration type 1 for base access ACPI: Added _OSI(Module Device) ACPI: Added _OSI(Processor Device) ACPI: Added _OSI(3.0 _SCP Extensions) ACPI: Added _OSI(Processor Aggregator Device) ACPI: 1 ACPI AML tables successfully acquired and loaded ACPI: Interpreter enabled ACPI: PM: (supports S0 S3 S5) ACPI: Using IOAPIC for interrupt routing PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug PCI: Using E820 reservations for host bridge windows ACPI: Enabled 2 GPEs in block 00 to 0F ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments HPX-Type3] acpi PNP0A03:00: PCIe port services disabled; not requesting _OSC control acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge PCI host bridge to bus 0000:00 pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] pci_bus 0000:00: root bus resource [mem 0x08000000-0xfebfffff window] pci_bus 0000:00: root bus resource [mem 0x100000000-0x17fffffff window] pci_bus 0000:00: root bus resource [bus 00-ff] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 pci 0000:00:01.0: [8086:7000] type 00 class 0x060100 pci 0000:00:01.1: [8086:7010] type 00 class 0x010180 pci 0000:00:01.1: reg 0x20: [io 0xc0a0-0xc0af] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB pci 0000:00:02.0: [1234:1111] type 00 class 0x030000 pci 0000:00:02.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref] pci 0000:00:02.0: reg 0x18: [mem 0xfebd0000-0xfebd0fff] pci 0000:00:02.0: reg 0x30: [mem 0xfebc0000-0xfebcffff pref] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] pci 0000:00:03.0: [1af4:1000] type 00 class 0x020000 pci 0000:00:03.0: reg 0x10: [io 0xc080-0xc09f] pci 0000:00:03.0: reg 0x14: [mem 0xfebd1000-0xfebd1fff] pci 0000:00:03.0: reg 0x20: [mem 0xfe000000-0xfe003fff 64bit pref] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] pci 0000:00:04.0: [1af4:1001] type 00 class 0x010000 pci 0000:00:04.0: reg 0x10: [io 0xc000-0xc07f] pci 0000:00:04.0: reg 0x14: [mem 0xfebd2000-0xfebd2fff] pci 0000:00:04.0: reg 0x20: [mem 0xfe004000-0xfe007fff 64bit pref] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 ACPI: PCI: Interrupt link LNKB configured for IRQ 10 ACPI: PCI: Interrupt link LNKC configured for IRQ 11 ACPI: PCI: Interrupt link LNKD configured for IRQ 11 ACPI: PCI: Interrupt link LNKS configured for IRQ 9 iommu: Default domain type: Translated iommu: DMA domain TLB invalidation policy: lazy mode SCSI subsystem initialized ACPI: bus type USB registered usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb pps_core: LinuxPPS API ver. 1 registered pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@xxxxxxxx> PTP clock support registered Advanced Linux Sound Architecture Driver Initialized. PCI: Using ACPI for IRQ routing pci 0000:00:02.0: vgaarb: setting as boot VGA device pci 0000:00:02.0: vgaarb: bridge control possible pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none vgaarb: loaded clocksource: Switched to clocksource tsc-early pnp: PnP ACPI init pnp: PnP ACPI: found 6 devices clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns NET: Registered PF_INET protocol family IP idents hash table entries: 2048 (order: 2, 16384 bytes, linear) tcp_listen_portaddr_hash hash table entries: 256 (order: 0, 4096 bytes, linear) Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) TCP established hash table entries: 1024 (order: 1, 8192 bytes, linear) TCP bind hash table entries: 1024 (order: 3, 32768 bytes, linear) TCP: Hash tables configured (established 1024 bind 1024) UDP hash table entries: 256 (order: 1, 8192 bytes, linear) UDP-Lite hash table entries: 256 (order: 1, 8192 bytes, linear) NET: Registered PF_UNIX/PF_LOCAL protocol family pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] pci_bus 0000:00: resource 7 [mem 0x08000000-0xfebfffff window] pci_bus 0000:00: resource 8 [mem 0x100000000-0x17fffffff window] pci 0000:00:01.0: PIIX3: Enabling Passive Release pci 0000:00:00.0: Limiting direct PCI/PCI transfers PCI: CLS 0 bytes, default 64 workingset: timestamp_bits=62 max_order=15 bucket_order=0 Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250) io scheduler mq-deadline registered io scheduler kyber registered input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 ACPI: button: Power Button [PWRF] ACPI: \_SB_.LNKC: Enabled at IRQ 11 ACPI: \_SB_.LNKD: Enabled at IRQ 10 Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled 00:04: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A ACPI: bus type drm_connector registered bochs-drm 0000:00:02.0: vgaarb: deactivate vga console Console: switching to colour dummy device 80x25 [drm] Found bochs VGA, ID 0xb0c5. [drm] Framebuffer size 16384 kB @ 0xfd000000, mmio @ 0xfebd0000. [drm] Found EDID data blob. [drm] Initialized bochs-drm 1.0.0 20130925 for 0000:00:02.0 on minor 0 virtio_blk virtio1: 1/0/0 default/read/poll queues virtio_blk virtio1: [vda] 122880 512-byte logical blocks (62.9 MB/60.0 MiB) scsi host0: ata_piix scsi host1: ata_piix ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc0a0 irq 14 ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc0a8 irq 15 usbcore: registered new interface driver usb-storage i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 serio: i8042 KBD port at 0x60,0x64 irq 1 serio: i8042 AUX port at 0x60,0x64 irq 12 rtc_cmos 00:05: RTC can wake from S4 input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1 rtc_cmos 00:05: registered as rtc0 rtc_cmos 00:05: setting system clock to 2023-08-18T19:35:58 UTC (1692387358) rtc_cmos 00:05: alarms up to one day, y3k, 242 bytes nvram, hpet irqs fail to initialize ptp_kvm usbcore: registered new interface driver usbhid usbhid: USB HID core driver NET: Registered PF_INET6 protocol family Segment Routing with IPv6 In-situ OAM (IOAM) with IPv6 sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver NET: Registered PF_PACKET protocol family IPI shorthand broadcast: enabled sched_clock: Marking stable (654763761, 13648236)->(674898287, -6486290) ALSA device list: No soundcards found. ata2: found unknown device (class 0) ata2.00: ATAPI: QEMU DVD-ROM, 2.5+, max UDMA/100 scsi 1:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.5+ PQ: 0 ANSI: 5 input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input3 EXT4-fs (vda): mounting ext2 file system using the ext4 subsystem EXT4-fs (vda): mounted filesystem dbde8608-8ccb-44fe-8e89-a32f7984e7a4 ro without journal. Quota mode: disabled. VFS: Mounted root (ext2 filesystem) readonly on device 254:0. devtmpfs: mounted Freeing unused kernel image (initmem) memory: 1776K Write protecting the kernel read-only data: 18432k Freeing unused kernel image (rodata/data gap) memory: 1580K Run /sbin/init as init process EXT4-fs (vda): re-mounted dbde8608-8ccb-44fe-8e89-a32f7984e7a4 r/w. Quota mode: disabled. Starting syslogd: OK Starting klogd: OK Running sysctl: tsc: Refined TSC clocksource calibration: 2995.170 MHz clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2b2c72918ff, max_idle_ns: 440795304087 ns clocksource: Switched to clocksource tsc OK Saving 256 bits of non-creditable seed for next boot Starting network: udhcpc: started, v1.36.1 udhcpc: broadcasting discover udhcpc: broadcasting select for 10.0.2.15, server 10.0.2.2 udhcpc: lease of 10.0.2.15 obtained from 10.0.2.2, lease time 86400 deleting routers adding dns 10.0.2.3 OK Starting dropbear sshd: OK mount: mounting nodev on /sys/kernel/tracing failed: No such file or directory mount: mounting nodev on /sys/kernel/security failed: No such file or directory Welcome to Buildroot buildroot login: root # ls /dev/rtc0 ^C # ^C # rtcwake -s 15 -m mem rtcwake: assuming RTC uses UTC ... rtcwake: wakeup from "mem" using /dev/rtc0 at Fri Aug 18 19:36:29 2023 PM: suspend entry (deep) Filesystems sync: 0.000 seconds Freezing user space processes Freezing user space processes completed (elapsed 0.001 seconds) OOM killer disabled. Freezing remaining freezable tasks Freezing remaining freezable tasks completed (elapsed 0.003 seconds) printk: Suspending console(s) (use no_console_suspend to debug) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 10 at kernel/workqueue.c:3382 __flush_work.isra.0+0x2d9/0x300 Modules linked in: CPU: 0 PID: 10 Comm: kworker/u2:0 Not tainted 6.5.0-rc6 #2 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org 04/01/2014 Workqueue: events_unbound async_run_entry_fn RIP: 0010:__flush_work.isra.0+0x2d9/0x300 Code: 39 c2 0f 84 e3 fe ff ff 48 8b 46 40 48 85 c0 0f 84 d6 fe ff ff 48 8b 78 50 e8 63 95 01 00 e9 c8 fe ff ff 0f 0b e9 0d ff ff ff <0f> 0b e9 06 ff ff ff 0f 0b e9 a1 fe ff ff 0f 0b e9 74 fe ff ff e8 RSP: 0018:ffffb07c0005bc68 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff9b12c125d330 RCX: 0000000000000000 RDX: ffffb07c0005bc70 RSI: 0000000000000001 RDI: ffffb07c0005bcb8 RBP: ffffb07c0005bce8 R08: 0000000000000000 R09: 0000000000000308 R10: ffff9b12c1144890 R11: ffff9b12c7a21370 R12: ffff9b12c125d330 R13: 0000000000000001 R14: 0000000000000001 R15: ffff9b12c105a005 FS: 0000000000000000(0000) GS:ffff9b12c7a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f56fdf201d6 CR3: 0000000001b1e000 CR4: 00000000000006f0 Call Trace: <TASK> ? show_regs+0x64/0x70 ? __warn+0x74/0xe0 ? __flush_work.isra.0+0x2d9/0x300 ? report_bug+0x147/0x1a0 ? handle_bug+0x40/0x70 ? exc_invalid_op+0x1c/0x70 ? asm_exc_invalid_op+0x1f/0x30 ? __flush_work.isra.0+0x2d9/0x300 ? set_next_entity+0x7b/0x80 __cancel_work_timer+0xfc/0x190 cancel_delayed_work_sync+0x12/0x20 drm_kms_helper_poll_disable+0x21/0x40 drm_mode_config_helper_suspend+0x1a/0x60 bochs_pm_suspend+0x11/0x20 pci_pm_suspend+0x80/0x230 ? __pfx_pci_pm_suspend+0x10/0x10 __device_suspend+0x112/0x3d0 async_suspend+0x1e/0xa0 async_run_entry_fn+0x24/0xb0 process_one_work+0x1e0/0x370 worker_thread+0x4f/0x3d0 ? __pfx_worker_thread+0x10/0x10 kthread+0xf1/0x120 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x3c/0x60 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30 </TASK> ---[ end trace 0000000000000000 ]--- ACPI: PM: Preparing to enter system sleep state S3 ACPI: PM: Saving platform NVS memory Disabling non-boot CPUs ... ACPI: PM: Low-level resume complete ACPI: PM: Restoring platform NVS memory ACPI: PM: Waking up from system sleep state S3 pci 0000:00:01.0: PIIX3: Enabling Passive Release virtio_blk virtio1: 1/0/0 default/read/poll queues OOM killer enabled. Restarting tasks ... done. PM: suspend exit # ata2: found unknown device (class 0) # dmesg|grep -i tpm [ 0.016261] ACPI: TPM2 0x0000000007FD1D34 00004C (v04 BOCHS BXPC 00000001 BXPC 00000001) [ 0.016351] ACPI: Reserving TPM2 table memory at [mem 0x7fd1d34-0x7fd1d7f] # /usr/lib/kselftests/run_kselftest.sh kselftest: Running tests in tpm2 TAP version 13 1..3 # timeout set to 600 # selftests: tpm2: test_smoke.sh random: crng init done # test_read_partial_overwrite (tpm2_tests.SmokeTest.test_read_partial_overwrite) ... ok # test_read_partial_resp (tpm2_tests.SmokeTest.test_read_partial_resp) ... ok # test_seal_with_auth (tpm2_tests.SmokeTest.test_seal_with_auth) ... ok # test_seal_with_policy (tpm2_tests.SmokeTest.test_seal_with_policy) ... ok # test_seal_with_too_long_auth (tpm2_tests.SmokeTest.test_seal_with_too_long_auth) ... ok # test_send_two_cmds (tpm2_tests.SmokeTest.test_send_two_cmds) ... ok # test_too_short_cmd (tpm2_tests.SmokeTest.test_too_short_cmd) ... ok # test_unseal_with_wrong_auth (tpm2_tests.SmokeTest.test_unseal_with_wrong_auth) ... ok # test_unseal_with_wrong_policy (tpm2_tests.SmokeTest.test_unseal_with_wrong_policy) ... ok # # ---------------------------------------------------------------------- # Ran 9 tests in 0.488s # # OK ok 1 selftests: tpm2: test_smoke.sh # timeout set to 600 # selftests: tpm2: test_space.sh # test_flush_context (tpm2_tests.SpaceTest.test_flush_context) ... ok # test_get_handles (tpm2_tests.SpaceTest.test_get_handles) ... ok # test_invalid_cc (tpm2_tests.SpaceTest.test_invalid_cc) ... ok # test_make_two_spaces (tpm2_tests.SpaceTest.test_make_two_spaces) ... ok # # ---------------------------------------------------------------------- # Ran 4 tests in 0.334s # # OK ok 2 selftests: tpm2: test_space.sh # timeout set to 600 # selftests: tpm2: test_async.sh # test_async (tpm2_tests.AsyncTest.test_async) ... ok # test_flush_invalid_context (tpm2_tests.AsyncTest.test_flush_invalid_context) ... ok # # ---------------------------------------------------------------------- # Ran 2 tests in 0.007s # # OK ok 3 selftests: tpm2: test_async.sh BR, Jarkko