No, this bug tracker is for QEMU bugs only. Please report KVM-PR bugs to the kvm-...@vger.kernel.org mailing list (see also https://www.linux- kvm.org/page/Bugs for how to report KVM kernel bugs in general)
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1738691 Title: Guest kernel crashes with kvm_pr on POWER8 Status in QEMU: New Bug description: When attempting to use the kvm_pr module with QEMU 2.10 on a POWER8 host, Debian and Ubuntu guests hang and show crashes. Host kernel is 4.14. Issue is observed with host kernels 4.9 and 4.13 as well; no other host kernels were tested. Is this the correct place to report a kvm_pr bug? Output from Ubuntu 17.10 guest: Quiescing Open Firmware ... Booting Linux via __start() @ 0x0000000002000000 ... [ 0.000000] Page sizes from device-tree: [ 0.000000] base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0 [ 0.000000] base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1 [ 0.000000] base_shift=24: shift=24, sllp=0x0100, avpnm=0x00000001, tlbiel=0, penc=0 [ 0.000000] Using 1TB segments [ 0.000000] Initializing hash mmu with SLB [ 0.000000] Linux version 4.13.0-16-generic (buildd@bos01-ppc64el-029) (gcc version 7.2.0 (Ubuntu 7.2.0-8ubuntu2)) #19-Ubuntu SMP Wed Oct 11 18:37:02 UTC 2017 (Ubuntu 4.13.0-16.19-generic 4.13.4) [ 0.000000] Found initrd at 0xc000000003b00000:0xc0000000048cf68b [ 0.000000] Using pSeries machine description [ 0.000000] bootconsole [udbg0] enabled [ 0.000000] Partition configured for 2 cpus. [ 0.000000] CPU maps initialized for 1 thread per core -> smp_release_cpus() spinning_secondaries = 1 <- smp_release_cpus() [ 0.000000] ----------------------------------------------------- [ 0.000000] ppc64_pft_size = 0x19 [ 0.000000] phys_mem_size = 0x100000000 [ 0.000000] dcache_bsize = 0x80 [ 0.000000] icache_bsize = 0x80 [ 0.000000] cpu_features = 0x077c7a6c18500249 [ 0.000000] possible = 0x5fffffff18500649 [ 0.000000] always = 0x0000000018100040 [ 0.000000] cpu_user_features = 0xdc0065c2 0xae000000 [ 0.000000] mmu_features = 0x7c006001 [ 0.000000] firmware_features = 0x00000000415a445f [ 0.000000] htab_hash_mask = 0x3ffff [ 0.000000] ----------------------------------------------------- [ 0.000000] numa: NODE_DATA [mem 0xfffd7c80-0xfffe3fff] [ 0.000000] PCI host bridge /pci@800000020000000 ranges: [ 0.000000] IO 0x0000200000000000..0x000020000000ffff -> 0x0000000000000000 [ 0.000000] MEM 0x0000200080000000..0x00002000ffffffff -> 0x0000000080000000 [ 0.000000] MEM 0x0000210000000000..0x000021ffffffffff -> 0x0000210000000000 [ 0.000000] PPC64 nvram contains 65536 bytes [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000000000-0x00000000ffffffff] [ 0.000000] DMA32 empty [ 0.000000] Normal empty [ 0.000000] Device empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000000000-0x00000000ffffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x00000000ffffffff] [ 0.000000] percpu: Embedded 4 pages/cpu @c0000000ffe00000 s162840 r0 d99304 u524288 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 65472 [ 0.000000] Policy zone: DMA [ 0.000000] Kernel command line: BOOT_IMAGE=/install/vmlinux file=/cdrom/preseed/ubuntu-server.seed no_timer_check printk.time=1 --- [ 0.000000] PID hash table entries: 4096 (order: -1, 32768 bytes) [ 0.000000] Memory: 4070016K/4194304K available (12800K kernel code, 2048K rwdata, 3456K rodata, 4608K init, 3021K bss, 124288K reserved, 0K cma-reserved) [ 0.000000] random: get_random_u64 called from cache_random_seq_create+0x80/0x180 with crng_init=0 [ 0.000000] SLUB: HWalign=128, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000] ftrace: allocating 33631 entries in 13 pages [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU restricting CPUs from NR_CPUS=2048 to nr_cpu_ids=2. [ 0.000000] Tasks RCU enabled. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.000000] NR_IRQS: 512, nr_irqs: 512, preallocated irqs: 16 [ 0.000006] clocksource: timebase: mask: 0xffffffffffffffff max_cycles: 0x761537d007, max_idle_ns: 440795202126 ns [ 0.000696] clocksource: timebase mult[1f40000] shift[24] registered [ 0.001189] Console: colour dummy device 80x25 [ 0.001500] console [hvc0] enabled [ 0.001500] console [hvc0] enabled [ 0.001751] bootconsole [udbg0] disabled [ 0.001751] bootconsole [udbg0] disabled [ 0.002142] pid_max: default: 32768 minimum: 301 [ 0.002358] Security Framework initialized [ 0.002377] Yama: becoming mindful. [ 0.002466] AppArmor: AppArmor initialized [ 0.007008] Dentry cache hash table entries: 524288 (order: 6, 4194304 bytes) [ 0.009037] Inode-cache hash table entries: 262144 (order: 5, 2097152 bytes) [ 0.009144] Mount-cache hash table entries: 8192 (order: 0, 65536 bytes) [ 0.009282] Mountpoint-cache hash table entries: 8192 (order: 0, 65536 bytes) [ 0.011066] EEH: pSeries platform initialized [ 0.011137] POWER8 performance monitor hardware support registered [ 0.011231] Hierarchical SRCU implementation. [ 0.012560] smp: Bringing up secondary CPUs ... [ 0.014620] smp: Brought up 1 node, 2 CPUs [ 0.014669] numa: Node 0 CPUs: 0-1 [ 0.017357] devtmpfs: initialized [ 0.020796] evm: security.selinux [ 0.020816] evm: security.SMACK64 [ 0.020832] evm: security.SMACK64EXEC [ 0.020849] evm: security.SMACK64TRANSMUTE [ 0.020865] evm: security.SMACK64MMAP [ 0.020882] evm: security.ima [ 0.020898] evm: security.capability [ 0.021384] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.021428] futex hash table entries: 512 (order: 0, 65536 bytes) [ 0.022217] NET: Registered protocol family 16 [ 0.023456] EEH: No capable adapters found [ 0.068790] KVM: Live patching for a fast VM worked [ 0.069504] cpuidle: using governor ladder [ 0.069606] cpuidle: using governor menu [ 0.070109] pstore: using zlib compression [ 0.070162] pstore: Registered nvram as persistent store backend Linux ppc64le #19-Ubuntu SMP W[ 0.073385] PCI: Probing PCI hardware [ 0.073595] PCI host bridge to bus 0000:00 [ 0.073650] pci_bus 0000:00: root bus resource [io 0x10000-0x1ffff] (bus address [0x0000-0xffff]) [ 0.073722] pci_bus 0000:00: root bus resource [mem 0x200080000000-0x2000ffffffff] (bus address [0x80000000-0xffffffff]) [ 0.073827] pci_bus 0000:00: root bus resource [mem 0x210000000000-0x21ffffffffff] [ 0.073913] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.081145] IOMMU table initialized, virtual merging enabled [ 0.081231] iommu: Adding device 0000:00:00.0 to group 0 [ 0.083493] HugeTLB registered 16.0 MiB page size, pre-allocated 0 pages [ 0.085216] SCSI subsystem initialized [ 0.085722] vgaarb: loaded [ 0.085885] usbcore: registered new interface driver usbfs [ 0.085961] usbcore: registered new interface driver hub [ 0.086096] usbcore: registered new device driver usb [ 0.086175] pps_core: LinuxPPS API ver. 1 registered [ 0.086217] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giome...@linux.it> [ 0.086316] PTP clock support registered [ 0.086629] EDAC MC: Ver: 3.0.0 [ 0.087455] NetLabel: Initializing [ 0.087509] NetLabel: domain hash size = 128 [ 0.087550] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.087676] NetLabel: unlabeled traffic allowed by default [ 0.088226] clocksource: Switched to clocksource timebase [ 0.109127] VFS: Disk quotas dquot_6.6.0 [ 0.109244] VFS: Dquot-cache hash table entries: 8192 (order 0, 65536 bytes) [ 0.109543] AppArmor: AppArmor Filesystem Enabled [ 0.121635] NET: Registered protocol family 2 [ 0.122074] TCP established hash table entries: 32768 (order: 2, 262144 bytes) [ 0.122584] TCP bind hash table entries: 32768 (order: 3, 524288 bytes) [ 0.123346] TCP: Hash tables configured (established 32768 bind 32768) [ 0.123472] UDP hash table entries: 2048 (order: 0, 65536 bytes) [ 0.123692] UDP-Lite hash table entries: 2048 (order: 0, 65536 bytes) [ 0.123937] NET: Registered protocol family 1 [ 0.124257] Unpacking initramfs... [ 0.467838] Freeing initrd memory: 14080K [ 0.472109] audit: initializing netlink subsys (disabled) [ 0.472949] audit: type=2000 audit(1513569522.428:1): state=initialized audit_enabled=0 res=1 [ 0.473972] Initialise system trusted keyrings [ 0.474068] Key type blacklist registered [ 0.474308] workingset: timestamp_bits=38 max_order=16 bucket_order=0 [ 0.476124] zbud: loaded [ 0.477006] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.477456] fuse init (API version 7.26) [ 0.478394] random: fast init done [ 0.483013] Key type asymmetric registered [ 0.483040] Asymmetric key parser 'x509' registered [ 0.483150] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245) [ 0.483363] io scheduler noop registered [ 0.483383] io scheduler deadline registered [ 0.483450] io scheduler cfq registered (default) [ 0.484056] virtio-pci 0000:00:00.0: enabling device (0100 -> 0103) [ 0.485519] virtio-pci 0000:00:00.0: ibm,query-pe-dma-windows(2026) 0 8000000 20000000 returned 0 [ 0.485916] virtio-pci 0000:00:00.0: ibm,create-pe-dma-window(2027) 0 8000000 20000000 10 20 returned 0 (liobn = 0x80000001 starting addr = 8000000 0) [ 0.501557] virtio-pci 0000:00:00.0: Using 64-bit direct DMA at offset 800000000000000 [ 0.503803] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled [ 0.507398] Linux agpgart interface v0.103 [ 0.511296] loop: module loaded [ 0.511671] libphy: Fixed MDIO Bus: probed [ 0.511698] tun: Universal TUN/TAP device driver, 1.6 [ 0.511860] PPP generic driver version 2.4.2 [ 0.512086] VFIO - User Level meta-driver version: 0.3 [ 0.512309] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.512367] ehci-pci: EHCI PCI platform driver [ 0.512420] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.512457] ohci-pci: OHCI PCI platform driver [ 0.512501] uhci_hcd: USB Universal Host Controller Interface driver [ 0.512814] mousedev: PS/2 mouse device common for all mice [ 0.513152] rtc-generic rtc-generic: rtc core: registered rtc-generic as rtc0 [ 0.513200] i2c /dev entries driver [ 0.513320] device-mapper: uevent: version 1.0.3 [ 0.513482] device-mapper: ioctl: 4.36.0-ioctl (2017-06-09) initialised: dm-de...@redhat.com [ 0.513710] ledtrig-cpu: registered to indicate activity on CPUs [ 0.514095] NET: Registered protocol family 10 [ 0.526547] modprobe[89]: unhandled signal 11 at 0000000000000008 nip 000073724fd9645c lr 000073724fd855c0 code 30001 [ 0.528919] modprobe[90]: unhandled signal 11 at 00000000001e4250 nip 000076c0ae90e0f8 lr 000076c0ae90e6a4 code 30001 [ 0.529819] Segment Routing with IPv6 [ 0.529874] NET: Registered protocol family 17 [ 0.529922] Key type dns_resolver registered [ 0.530832] registered taskstats version 1 [ 0.530902] Loading compiled-in X.509 certificates [ 0.531719] modprobe[93]: unhandled signal 11 at 0000000000000008 nip 0000741ba74e645c lr 0000741ba74d55c0 code 30001 [ 0.532899] modprobe[94]: unhandled signal 11 at 0000000000000008 nip 0000764dd97f645c lr 0000764dd97e55c0 code 30001 [ 0.534414] Loaded X.509 cert 'Build time autogenerated kernel key: bc297e5938e0456833a4c0c157e5483b77785cf1' [ 0.534505] zswap: loaded using pool lzo/zbud [ 0.535375] modprobe[97]: unhandled signal 11 at 0000000000000008 nip 00007e85a34b645c lr 00007e85a34a55c0 code 30001 [ 0.536618] modprobe[98]: unhandled signal 11 at 0000000000000008 nip 0000713d7724645c lr 0000713d772355c0 code 30001 [ 0.537392] Key type big_key registered [ 0.537418] Key type trusted registered [ 0.545589] Key type encrypted registered [ 0.545642] AppArmor: AppArmor sha1 policy hashing enabled [ 0.545689] ima: No TPM chip found, activating TPM-bypass! (rc=-19) [ 0.545799] evm: HMAC attrs: 0x1 [ 0.551224] rtc-generic rtc-generic: setting system clock to 2017-12-18 03:58:43 UTC (1513569523) [ 0.552107] Unable to open file: /etc/keys/x509_ima.der (-2) [ 0.552109] Unable to open file: /etc/keys/x509_evm.der (-2) [ 0.591193] Freeing unused kernel memory: 4608K [ 0.591643] This architecture does not have kernel memory protection. <hang> To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1738691/+subscriptions