From mboxrd@z Thu Jan 1 00:00:00 1970 From: Edward Shishkin Subject: Re: [Bug] [Reiser4] [XEN] PV crash on PV shutdown Date: Sun, 11 May 2014 10:52:46 +0200 Message-ID: <536F3A5E.8050104@gmail.com> References: <20140511004226.Horde.YdilagZKQg2xklQ-6llzdg9@mail.thieu.so> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=deWPjJdJ4a5iWjv0RiJs2QsX3jlcnm9rBPopr3NkAVU=; b=JR4sUuRQvaCVDTEDvgHL2BEWEh0sb+vLINw37wHiRawzCvcTYYLyveAmV8PwyZYE9d YuOHaJdQvnxT6cXRKxq8tBe6qfzq1ccT48ObHQ0zy9W8lHGA53d47mBrSSMmDrzlPwaH 8tw+nOCN5gPDtoSFx7d2YP5C1tMFTY6Xa8qhkTLT8120FXl7lQMe2Nv7T6LPDHnoPXwk GMV+1pAO0tyHhn3WavAhy4O+QRofIQqKw4MVBBgQF5w7muN9QvFNbA1F4taTx6+Wf7yg gTMwfEILxspk6FE8/nUpepQSeRZ1AQ47isJXe7q6wtgHhji1QJgwcklCExWfwDq7MuwH DwBw== In-Reply-To: <20140511004226.Horde.YdilagZKQg2xklQ-6llzdg9@mail.thieu.so> Sender: reiserfs-devel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: m@thieu.so Cc: reiserfs-devel@vger.kernel.org Hello. This is incorrect disk space reservation by some process. What is the "3.15.0-rc3-Miner-dirty"? It could happen that reiser4 stuff was applied incorrectly... Thanks, Edward. On 05/11/2014 02:42 AM, m@thieu.so wrote: > Hi, I got a crash when I shutdown a XEN PV guest. > > This Funtoo guest is freshly installed and the bug is easy to reproduce. > * I have lot of Reiser4 partition on bare metal with the same kernel, > no problem > * After 3-4 times crashing it, running fsck return no corruption. > > to reproduce : > - create a Xen PV with a Reiser4 / > - issue the command : poweroff > > tanith xen # xl create -c metro.pv > Parsing config from metro.pv > [ 0.000000] Initializing cgroup subsys cpuset > [ 0.000000] Initializing cgroup subsys cpu > [ 0.000000] Linux version 3.15.0-rc3-Miner-dirty (root@tanith) (gcc > version 4.7.3 (Gentoo 4.7.3-r1 p1.4, pie-0.5.5) ) #3 SMP PREEMPT Tue > Apr 29 22:46:14 CDT 2014 > [ 0.000000] Command line: console=hvc0 root=/dev/xvda2 > [ 0.000000] KERNEL supported cpus: > [ 0.000000] AMD AuthenticAMD > [ 0.000000] ACPI in unprivileged domain disabled > [ 0.000000] e820: BIOS-provided physical RAM map: > [ 0.000000] Xen: [mem 0x0000000000000000-0x000000000009ffff] usable > [ 0.000000] Xen: [mem 0x00000000000a0000-0x00000000000fffff] reserved > [ 0.000000] Xen: [mem 0x0000000000100000-0x000000007fffffff] usable > [ 0.000000] NX (Execute Disable) protection: active > [ 0.000000] MPS support code is not built-in. > [ 0.000000] Using acpi=off or acpi=noirq or pci=noacpi may have > problem > [ 0.000000] DMI not present or invalid. > [ 0.000000] e820: last_pfn = 0x80000 max_arch_pfn = 0x400000000 > [ 0.000000] Scanning 1 areas for low memory corruption > [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] > [ 0.000000] init_memory_mapping: [mem 0x7fe00000-0x7fffffff] > [ 0.000000] init_memory_mapping: [mem 0x7c000000-0x7fdfffff] > [ 0.000000] init_memory_mapping: [mem 0x00100000-0x7bffffff] > [ 0.000000] NUMA turned off > [ 0.000000] Faking a node at [mem > 0x0000000000000000-0x000000007fffffff] > [ 0.000000] Initmem setup node 0 [mem 0x00000000-0x7fffffff] > [ 0.000000] NODE_DATA [mem 0x7fc0e000-0x7fc18fff] > [ 0.000000] Zone ranges: > [ 0.000000] DMA [mem 0x00001000-0x00ffffff] > [ 0.000000] DMA32 [mem 0x01000000-0xffffffff] > [ 0.000000] Normal empty > [ 0.000000] Movable zone start for each node > [ 0.000000] Early memory node ranges > [ 0.000000] node 0: [mem 0x00001000-0x0009ffff] > [ 0.000000] node 0: [mem 0x00100000-0x7fffffff] > [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs > [ 0.000000] No local APIC present > [ 0.000000] APIC: disable apic facility > [ 0.000000] APIC: switched to apic NOOP > [ 0.000000] e820: [mem 0x80000000-0xffffffff] available for PCI > devices > [ 0.000000] Booting paravirtualized kernel on Xen > [ 0.000000] Xen version: 4.4.0 (preserve-AD) > [ 0.000000] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 > nr_node_ids:1 > [ 0.000000] PERCPU: Embedded 28 pages/cpu @ffff88007d000000 s83392 > r8192 d23104 u1048576 > [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. > Total pages: 515978 > [ 0.000000] Policy zone: DMA32 > [ 0.000000] Kernel command line: console=hvc0 root=/dev/xvda2 > [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) > [ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340 > [ 0.000000] Memory: 2040644K/2096764K available (5843K kernel code, > 589K rwdata, 2168K rodata, 908K init, 2788K bss, 56120K reserved) > [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 > [ 0.000000] Preemptible hierarchical RCU implementation. > [ 0.000000] RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. > [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, > nr_cpu_ids=2 > [ 0.000000] NR_IRQS:4352 nr_irqs:288 16 3.15.0-rc3-Miner-dirty > [ 0.000000] xen:events: Using FIFO-based ABI > [ 0.000000] Console: colour dummy device 80x25 > [ 0.000000] console [tty0] enabled > [ 0.000000] console [hvc0] enabled > [ 0.000000] installing Xen timer for CPU 0 > [ 0.000000] tsc: Detected 3114.152 MHz processor > [ 0.000000] tsc: Marking TSC unstable due to TSCs unsynchronized > [ 0.001000] Calibrating delay loop (skipped), value calculated > using timer frequency.. 6228.30 BogoMIPS (lpj=3114152) > [ 0.001000] pid_max: default: 32768 minimum: 301 > [ 0.001000] Security Framework initialized > [ 0.001000] Dentry cache hash table entries: 262144 (order: 9, > 2097152 bytes) > [ 0.001000] Inode-cache hash table entries: 131072 (order: 8, > 1048576 bytes) > [ 0.001205] Mount-cache hash table entries: 4096 (order: 3, 32768 > bytes) > [ 0.001219] Mountpoint-cache hash table entries: 4096 (order: 3, > 32768 bytes) > [ 0.001429] Initializing cgroup subsys freezer > [ 0.001436] Initializing cgroup subsys net_cls > [ 0.001441] Initializing cgroup subsys blkio > [ 0.001488] CPU: Physical Processor ID: 0 > [ 0.001493] CPU: Processor Core ID: 5 > [ 0.001499] Last level iTLB entries: 4KB 512, 2MB 1024, 4MB 512 > [ 0.001499] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 512, > 1GB 0 > [ 0.001499] tlb_flushall_shift: 6 > [ 0.019675] cpu 0 spinlock event irq 17 > [ 0.019982] Performance Events: Fam15h core perfctr, > [ 0.019989] no APIC, boot with the "lapic" boot parameter to > force-enable it. > [ 0.019995] no hardware sampling interrupt available. > [ 0.020000] Broken PMU hardware detected, using software events only. > [ 0.020000] Failed to access perfctr msr (MSR c0010201 is > ffffaf1b0426) > [ 0.026049] NMI watchdog: disabled (cpu0): hardware events not enabled > [ 0.028084] installing Xen timer for CPU 1 > [ 0.028110] cpu 1 spinlock event irq 24 > [ 0.028221] SMP alternatives: switching to SMP code > [ 0.045855] x86: Booted up 1 node, 2 CPUs > [ 0.045915] devtmpfs: initialized > [ 0.046076] kworker/u4:0 (21) used greatest stack depth: 6608 bytes > left > [ 0.046157] xor: automatically using best checksumming function: > [ 0.055307] avx : 6088.000 MB/sec > [ 0.055355] NET: Registered protocol family 16 > [ 0.055367] xen:grant_table: Grant tables using version 1 layout > [ 0.055383] Grant table initialized > [ 0.056116] kworker/u4:1 (27) used greatest stack depth: 6504 bytes > left > [ 0.056116] kworker/u4:1 (28) used greatest stack depth: 5976 bytes > left > [ 0.056243] PCI: setting up Xen PCI frontend stub > [ 0.061325] kworker/u4:1 (60) used greatest stack depth: 5544 bytes > left > [ 0.074099] raid6: sse2x1 4992 MB/s > [ 0.091161] raid6: sse2x2 9789 MB/s > [ 0.108221] raid6: sse2x4 11984 MB/s > [ 0.108226] raid6: using algorithm sse2x4 (11984 MB/s) > [ 0.108231] raid6: using ssse3x2 recovery algorithm > [ 0.109001] ACPI: Interpreter disabled. > [ 0.109008] xen:balloon: Initialising balloon driver > [ 0.112059] xen_balloon: Initialising balloon driver > [ 0.113051] vgaarb: loaded > [ 0.113103] SCSI subsystem initialized > [ 0.113172] usbcore: registered new interface driver usbfs > [ 0.113191] usbcore: registered new interface driver hub > [ 0.113220] usbcore: registered new device driver usb > [ 0.113220] PCI: System does not support PCI > [ 0.113220] PCI: System does not support PCI > [ 0.113220] NetLabel: Initializing > [ 0.113220] NetLabel: domain hash size = 128 > [ 0.113220] NetLabel: protocols = UNLABELED CIPSOv4 > [ 0.113220] NetLabel: unlabeled traffic allowed by default > [ 0.113236] Switched to clocksource xen > [ 0.116033] pnp: PnP ACPI: disabled > [ 0.118721] NET: Registered protocol family 2 > [ 0.118847] TCP established hash table entries: 16384 (order: 5, > 131072 bytes) > [ 0.118918] TCP bind hash table entries: 16384 (order: 6, 262144 > bytes) > [ 0.118968] TCP: Hash tables configured (established 16384 bind 16384) > [ 0.118998] TCP: reno registered > [ 0.119009] UDP hash table entries: 1024 (order: 3, 32768 bytes) > [ 0.119026] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes) > [ 0.119152] platform rtc_cmos: registered platform RTC device (no > PNP device found) > [ 0.119240] Scanning for low memory corruption every 60 seconds > [ 0.119358] futex hash table entries: 512 (order: 3, 32768 bytes) > [ 0.119377] audit: initializing netlink subsys (disabled) > [ 0.119390] audit: type=2000 audit(1399767930.035:1): initialized > [ 0.129194] HugeTLB registered 2 MB page size, pre-allocated 0 pages > [ 0.194964] VFS: Disk quotas dquot_6.5.2 > [ 0.195013] Dquot-cache hash table entries: 512 (order 0, 4096 bytes) > [ 0.195042] Loading Reiser4. See www.namesys.com for a description > of Reiser4. > [ 0.195284] msgmni has been set to 3985 > [ 0.195549] Block layer SCSI generic (bsg) driver version 0.4 > loaded (major 253) > [ 0.195559] io scheduler noop registered > [ 0.195566] io scheduler deadline registered > [ 0.195607] io scheduler cfq registered (default) > [ 0.195934] crc32: CRC_LE_BITS = 64, CRC_BE BITS = 64 > [ 0.195941] crc32: self tests passed, processed 225944 bytes in > 156546 nsec > [ 0.196094] crc32c: CRC_LE_BITS = 64 > [ 0.196100] crc32c: self tests passed, processed 225944 bytes in > 68927 nsec > [ 0.414245] crc32_combine: 8373 self tests passed > [ 0.638942] crc32c_combine: 8373 self tests passed > [ 0.639166] xen:xen_evtchn: Event-channel device installed > [ 0.639642] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled > [ 0.640072] Linux agpgart interface v0.103 > [ 0.641081] loop: module loaded > [ 0.692213] xen_netfront: Initialising Xen virtual ethernet driver > [ 0.720369] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver > [ 0.720382] ehci-pci: EHCI PCI platform driver > [ 0.720408] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver > [ 0.720419] ohci-pci: OHCI PCI platform driver > [ 0.720496] i8042: PNP: No PS/2 controller found. Probing ports > directly. > [ 0.809787] blkfront: xvda: flush diskcache: enabled; persistent > grants: enabled; indirect descriptors: enabled; > [ 0.834386] xvda: xvda1 xvda2 > [ 0.848344] blkfront: xvdb: flush diskcache: enabled; persistent > grants: enabled; indirect descriptors: enabled; > [ 0.866357] xvdb: unknown partition table > [ 1.734641] i8042: No controller found > [ 1.734812] mousedev: PS/2 mouse device common for all mice > [ 1.795015] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0 > [ 1.795094] rtc_cmos: probe of rtc_cmos failed with error -38 > [ 1.795169] hidraw: raw HID events driver (C) Jiri Kosina > [ 1.795244] usbcore: registered new interface driver usbhid > [ 1.795253] usbhid: USB HID core driver > [ 1.795307] TCP: cubic registered > [ 1.795485] registered taskstats version 1 > [ 1.796024] Btrfs loaded > [ 1.796137] console [netcon0] enabled > [ 1.796144] netconsole: network logging started > [ 1.813668] reiser4: xvda2: found disk format 4.0.0. > [ 2.172849] random: nonblocking pool is initialized > [ 4.519997] VFS: Mounted root (reiser4 filesystem) on device 202:2. > [ 4.521323] Freeing unused kernel memory: 908K (ffffffff81a95000 - > ffffffff81b78000) > Broadcast message from root@localhost (hvc0) (Sat May 10 19:29:08 2014): > The system is going down for system halt NOW! > INIT: Switching to runlevel: 0 > INIT: Sending processes the TERM signal > localhost ~ # * Stopping local > [ ok ] > * Saving random seed ... > [ ok ] > * Deactivating additional swap space ... > [ ok ] > * Stopping sshd ... > [ ok ] > * Unmounting network filesystems ... > [ ok ] > * Shutting down network interface lo ... > [ ok ] > * Network interface eth0 down ... > [ ok ] > * Unmounting loop devices > * Unmounting filesystems > * Unmounting /boot ... > [ ok ] > * Deactivating swap devices ... > [ ok ] > * Stopping udevd daemon ... > [ ok ] > * udev: Device tarball disabled, skipping ... > [ ok ] > * Terminating remaining processes ... > [ ok ] > * Killing remaining processes ... > [ ok ] > * Saving dependency cache ... > [ ok ] > * Remounting remaining filesystems read-only ... > * Remounting / read only ... > [ ok ] > [ ok ] > [ 43.548966] ------------[ cut here ]------------ > [ 43.548999] kernel BUG at fs/reiser4/block_alloc.c:151! > [ 43.549019] invalid opcode: 0000 [#1] PREEMPT SMP > [ 43.549049] Modules linked in: ipv6 processor thermal_sys > crct10dif_pclmul crct10dif_common crc32_pclmul crc32c_intel > ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper > ablk_helper cryptd microcode unix > [ 43.549067] CPU: 1 PID: 20 Comm: kworker/u4:1 Not tainted > 3.15.0-rc3-Miner-dirty #3 > [ 43.549067] Workqueue: writeback bdi_writeback_workfn (flush-202:0) > [ 43.549067] task: ffff88007cfc0fe0 ti: ffff88007c41e000 task.ti: > ffff88007c41e000 > [ 43.549067] RIP: e030:[] [] > sub_from_ctx_grabbed.isra.10+0x14/0x20 > [ 43.549067] RSP: e02b:ffff88007c41f808 EFLAGS: 00010297 > [ 43.549067] RAX: 0000000000000000 RBX: 0000000000000001 RCX: > 0000000000002624 > [ 43.549067] RDX: 0000000000000001 RSI: 0000000000000001 RDI: > ffff88007c47afb0 > [ 43.549067] RBP: ffff88007c41f808 R08: 00000000000b5f17 R09: > 0000000000000187 > [ 43.549067] R10: 0000000000000000 R11: 00000000000061d8 R12: > ffff88007c41f898 > [ 43.549067] R13: 0000000000000014 R14: ffff88007c47af00 R15: > 0000000000000000 > [ 43.549067] FS: 00007f609a147700(0000) GS:ffff88007d100000(0000) > knlGS:0000000000000000 > [ 43.549067] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 43.549067] CR2: 00007f6099c57330 CR3: 000000007b531000 CR4: > 0000000000040660 > [ 43.549067] Stack: > [ 43.549067] ffff88007c41f868 ffffffff811e1448 ffff88007c47af00 > ffff88007c41f890 > [ 43.549067] 0000000000000001 ffff88007c43f000 ffff88007c41f868 > ffff88007c9f7380 > [ 43.549067] ffff88007b629d90 0000000000000000 ffff88007c41f9b8 > 0000000000000000 > [ 43.549067] Call Trace: > [ 43.549067] [] reiser4_alloc_blocks+0xc8/0x280 > [ 43.549067] [] allocate_znode_update+0x7f/0x280 > [ 43.549067] [] ? _raw_spin_lock+0x16/0x60 > [ 43.549067] [] ? jload_gfp+0x40/0x1c0 > [ 43.549067] [] allocate_znode+0x7a/0x1c0 > [ 43.549067] [] jnode_flush.constprop.35+0x806/0x9e0 > [ 43.549067] [] flush_current_atom+0x1ee/0x3e0 > [ 43.549067] [] flush_some_atom+0x111/0x520 > [ 43.549067] [] reiser4_writeout+0xb7/0x1a0 > [ 43.549067] [] reiser4_writeback_inodes+0x9c/0x140 > [ 43.549067] [] ? xen_send_IPI_one+0x2b/0x60 > [ 43.549067] [] writeback_sb_inodes+0x9c/0xc0 > [ 43.549067] [] __writeback_inodes_wb+0x9f/0xe0 > [ 43.549067] [] wb_writeback+0x20b/0x320 > [ 43.549067] [] bdi_writeback_workfn+0x13a/0x480 > [ 43.549067] [] ? debug_smp_processor_id+0x17/0x20 > [ 43.549067] [] ? __schedule+0x2f8/0x760 > [ 43.549067] [] process_one_work+0x178/0x460 > [ 43.549067] [] worker_thread+0x128/0x3a0 > [ 43.549067] [] ? rescuer_thread+0x300/0x300 > [ 43.549067] [] kthread+0xc4/0xe0 > [ 43.549067] [] ? __first_node+0x12/0x1d > [ 43.549067] [] ? flush_kthread_worker+0x80/0x80 > [ 43.549067] [] ret_from_fork+0x7c/0xb0 > [ 43.549067] [] ? flush_kthread_worker+0x80/0x80 > [ 43.549067] Code: 74 0b 89 f6 5d 48 29 b7 78 01 00 00 c3 0f 0b 0f > 1f 84 00 00 00 00 00 48 8b 07 55 48 89 e5 48 39 f0 72 08 48 29 f0 5d > 48 89 07 c3 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 54 4c > 63 e6 > [ 43.549067] RIP [] > sub_from_ctx_grabbed.isra.10+0x14/0x20 > [ 43.549067] RSP > [ 43.550576] ---[ end trace c20d37e211566022 ]--- > [ 43.550687] BUG: unable to handle kernel paging request at > ffffffffffffffd8 > [ 43.550722] IP: [] kthread_data+0xc/0x20 > [ 43.550759] PGD 1a12067 PUD 1a14067 PMD 0 > [ 43.550795] Oops: 0000 [#2] PREEMPT SMP > [ 43.550822] Modules linked in: ipv6 processor thermal_sys > crct10dif_pclmul crct10dif_common crc32_pclmul crc32c_intel > ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper > ablk_helper cryptd microcode unix > [ 43.550920] CPU: 1 PID: 20 Comm: kworker/u4:1 Tainted: G D > 3.15.0-rc3-Miner-dirty #3 > [ 43.550972] task: ffff88007cfc0fe0 ti: ffff88007c41e000 task.ti: > ffff88007c41e000 > [ 43.550993] RIP: e030:[] [] > kthread_data+0xc/0x20 > [ 43.551532] RSP: e02b:ffff88007c41f4a0 EFLAGS: 00010092 > [ 43.551532] RAX: 0000000000000000 RBX: 0000000000000001 RCX: > 0000000000000008 > [ 43.551532] RDX: 0000000000000002 RSI: 0000000000000001 RDI: > ffff88007cfc0fe0 > [ 43.551532] RBP: ffff88007c41f4b8 R08: 0000000000000001 R09: > 000000000000013a > [ 43.551532] R10: 0000000000000000 R11: 0000000000000000 R12: > ffff88007d113900 > [ 43.551532] R13: 0000000000000001 R14: 0000000000000001 R15: > ffff88007cfc0fe0 > [ 43.551532] FS: 00007f609a147700(0000) GS:ffff88007d100000(0000) > knlGS:0000000000000000 > [ 43.551532] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 43.551532] CR2: 0000000000000028 CR3: 000000007b531000 CR4: > 0000000000040660 > [ 43.551532] Stack: > [ 43.551532] ffffffff8106b450 ffff88007c41f4b8 ffff88007cfc1418 > ffff88007c41f538 > [ 43.551532] ffffffff815a5ba0 ffff88007c41f4e8 0000000000000000 > ffff88007cfc0fe0 > [ 43.551532] 0000000000013900 ffff88007c41ffd8 0000000000013900 > ffff88007b494660 > [ 43.551532] Call Trace: > [ 43.551532] [] ? wq_worker_sleeping+0x10/0xa0 > [ 43.551532] [] __schedule+0x480/0x760 > [ 43.551532] [] schedule+0x24/0x80 > [ 43.551532] [] do_exit+0x742/0xb20 > [ 43.551532] [] ? check_events+0x12/0x20 > [ 43.551532] [] oops_end+0x98/0x140 > [ 43.551532] [] die+0x46/0x80 > [ 43.551532] [] do_trap+0x5b/0x180 > [ 43.551532] [] do_invalid_op+0x97/0xa0 > [ 43.551532] [] ? > sub_from_ctx_grabbed.isra.10+0x14/0x20 > [ 43.551532] [] ? > bitmap_alloc_forward.constprop.15+0x8f/0xe0 > [ 43.551532] [] invalid_op+0x1b/0x20 > [ 43.551532] [] ? > sub_from_ctx_grabbed.isra.10+0x14/0x20 > [ 43.551532] [] ? _raw_spin_unlock+0x16/0x60 > [ 43.551532] [] reiser4_alloc_blocks+0xc8/0x280 > [ 43.551532] [] allocate_znode_update+0x7f/0x280 > [ 43.551532] [] ? _raw_spin_lock+0x16/0x60 > [ 43.551532] [] ? jload_gfp+0x40/0x1c0 > [ 43.551532] [] allocate_znode+0x7a/0x1c0 > [ 43.551532] [] jnode_flush.constprop.35+0x806/0x9e0 > [ 43.551532] [] flush_current_atom+0x1ee/0x3e0 > [ 43.551532] [] flush_some_atom+0x111/0x520 > [ 43.551532] [] reiser4_writeout+0xb7/0x1a0 > [ 43.551532] [] reiser4_writeback_inodes+0x9c/0x140 > [ 43.551532] [] ? xen_send_IPI_one+0x2b/0x60 > [ 43.551532] [] writeback_sb_inodes+0x9c/0xc0 > [ 43.551532] [] __writeback_inodes_wb+0x9f/0xe0 > [ 43.551532] [] wb_writeback+0x20b/0x320 > [ 43.551532] [] bdi_writeback_workfn+0x13a/0x480 > [ 43.551532] [] ? debug_smp_processor_id+0x17/0x20 > [ 43.551532] [] ? __schedule+0x2f8/0x760 > [ 43.551532] [] process_one_work+0x178/0x460 > [ 43.551532] [] worker_thread+0x128/0x3a0 > [ 43.551532] [] ? rescuer_thread+0x300/0x300 > [ 43.551532] [] kthread+0xc4/0xe0 > [ 43.551532] [] ? __first_node+0x12/0x1d > [ 43.551532] [] ? flush_kthread_worker+0x80/0x80 > [ 43.551532] [] ret_from_fork+0x7c/0xb0 > [ 43.551532] [] ? flush_kthread_worker+0x80/0x80 > [ 43.551532] Code: 90 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 > 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 48 8b 87 e0 03 00 00 55 > 48 89 e5 5d <48> 8b 40 d8 c3 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 > 00 55 > [ 43.551532] RIP [] kthread_data+0xc/0x20 > [ 43.551532] RSP > [ 43.551532] CR2: ffffffffffffffd8 > [ 43.551532] ---[ end trace c20d37e211566023 ]--- > [ 43.551532] Fixing recursive fault but reboot is needed! > [ 43.551532] BUG: scheduling while atomic: kworker/u4:1/20/0x00000004 > [ 43.551532] Modules linked in: ipv6 processor thermal_sys > crct10dif_pclmul crct10dif_common crc32_pclmul crc32c_intel > ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper > ablk_helper cryptd microcode unix > [ 43.551532] Preemption disabled at:[] > oops_end+0x98/0x140 > [ 43.551532] > [ 43.551532] CPU: 1 PID: 20 Comm: kworker/u4:1 Tainted: G D > 3.15.0-rc3-Miner-dirty #3 > [ 43.551532] ffff88007d113900 ffff88007c41f088 ffffffff815a3a26 > 0000000000000005 > [ 43.551532] 0000000000000009 ffff88007c41f098 ffffffff815a04bf > ffff88007c41f118 > [ 43.551532] ffffffff815a5e4a ffff88007c41f3f8 0000000000000000 > ffff88007cfc0fe0 > [ 43.551532] Call Trace: > [ 43.551532] [] dump_stack+0x4f/0x7c > [ 43.551532] [] __schedule_bug+0x9a/0xa8 > [ 43.551532] [] __schedule+0x72a/0x760 > [ 43.551532] [] schedule+0x24/0x80 > [ 43.551532] [] do_exit+0xa5e/0xb20 > [ 43.551532] [] ? printk+0x48/0x4a > [ 43.551532] [] ? kmsg_dump+0xb9/0xe0 > [ 43.551532] [] oops_end+0x98/0x140 > [ 43.551532] [] no_context+0x28c/0x2b7 > [ 43.551532] [] ? xen_pud_val+0x9/0x20 > [ 43.551532] [] __bad_area_nosemaphore+0x1bb/0x1da > [ 43.551532] [] bad_area_nosemaphore+0xe/0x10 > [ 43.551532] [] __do_page_fault+0x3a0/0x4a0 > [ 43.551532] [] ? check_preempt_curr+0x85/0xa0 > [ 43.551532] [] ? ttwu_do_wakeup+0x18/0x100 > [ 43.551532] [] ? > _raw_spin_unlock_irqrestore+0x28/0x80 > [ 43.551532] [] ? try_to_wake_up+0x1b5/0x280 > [ 43.551532] [] ? vsnprintf+0x3ca/0x560 > [ 43.551532] [] do_page_fault+0x22/0x40 > [ 43.551532] [] page_fault+0x25/0x30 > [ 43.551532] [] ? kthread_data+0xc/0x20 > [ 43.551532] [] ? wq_worker_sleeping+0x10/0xa0 > [ 43.551532] [] __schedule+0x480/0x760 > [ 43.551532] [] schedule+0x24/0x80 > [ 43.551532] [] do_exit+0x742/0xb20 > [ 43.551532] [] ? check_events+0x12/0x20 > [ 43.551532] [] oops_end+0x98/0x140 > [ 43.551532] [] die+0x46/0x80 > [ 43.551532] [] do_trap+0x5b/0x180 > [ 43.551532] [] do_invalid_op+0x97/0xa0 > [ 43.551532] [] ? > sub_from_ctx_grabbed.isra.10+0x14/0x20 > [ 43.551532] [] ? > bitmap_alloc_forward.constprop.15+0x8f/0xe0 > [ 43.551532] [] invalid_op+0x1b/0x20 > [ 43.551532] [] ? > sub_from_ctx_grabbed.isra.10+0x14/0x20 > [ 43.551532] [] ? _raw_spin_unlock+0x16/0x60 > [ 43.551532] [] reiser4_alloc_blocks+0xc8/0x280 > [ 43.551532] [] allocate_znode_update+0x7f/0x280 > [ 43.551532] [] ? _raw_spin_lock+0x16/0x60 > [ 43.551532] [] ? jload_gfp+0x40/0x1c0 > [ 43.551532] [] allocate_znode+0x7a/0x1c0 > [ 43.551532] [] jnode_flush.constprop.35+0x806/0x9e0 > [ 43.551532] [] flush_current_atom+0x1ee/0x3e0 > [ 43.551532] [] flush_some_atom+0x111/0x520 > [ 43.551532] [] reiser4_writeout+0xb7/0x1a0 > [ 43.551532] [] reiser4_writeback_inodes+0x9c/0x140 > [ 43.551532] [] ? xen_send_IPI_one+0x2b/0x60 > [ 43.551532] [] writeback_sb_inodes+0x9c/0xc0 > [ 43.551532] [] __writeback_inodes_wb+0x9f/0xe0 > [ 43.551532] [] wb_writeback+0x20b/0x320 > [ 43.551532] [] bdi_writeback_workfn+0x13a/0x480 > [ 43.551532] [] ? debug_smp_processor_id+0x17/0x20 > [ 43.551532] [] ? __schedule+0x2f8/0x760 > [ 43.551532] [] process_one_work+0x178/0x460 > [ 43.551532] [] worker_thread+0x128/0x3a0 > [ 43.551532] [] ? rescuer_thread+0x300/0x300 > [ 43.551532] [] kthread+0xc4/0xe0 > [ 43.551532] [] ? __first_node+0x12/0x1d > [ 43.551532] [] ? flush_kthread_worker+0x80/0x80 > [ 43.551532] [] ret_from_fork+0x7c/0xb0 > [ 43.551532] [] ? flush_kthread_worker+0x80/0x80 > tanith xen # fsck.reiser4 /dev/mapper/XenVolG-metro2 --fix > ******************************************************************* > This is an EXPERIMENTAL version of fsck.reiser4. Read README first. > ******************************************************************* > > Fscking the /dev/mapper/XenVolG-metro2 block device. > Will fix minor corruptions of the Reiser4 SuperBlock. > Will fix minor corruptions of the Reiser4 FileSystem. > Continue? > (Yes/No): Yes > ***** fsck.reiser4 started at Sat May 10 19:30:46 2014 > Reiser4 fs was detected on /dev/mapper/XenVolG-metro2. > Master super block (16): > magic: ReIsEr4 > blksize: 4096 > format: 0x0 (format40) > uuid: 83dd3b1c-1a24-4420-9c83-3fbd2748ad9d > label: > > Format super block (17): > plugin: format40 > description: Disk-format plugin. > version: 0 > magic: ReIsEr40FoRmAt > mkfs id: 0x605ab6a1 > flushes: 0 > blocks: 10477312 > free blocks: 9934667 > root block: 184145 > tail policy: 0x2 (smart) > next oid: 0x43a76 > file count: 208559 > tree height: 4 > key policy: LARGE > > > CHECKING THE STORAGE TREE > Read nodes 78712 > Nodes left in the tree 78712 > Leaves of them 77684, Twigs of them 1012 > Time interval: Sat May 10 19:30:50 2014 - Sat May 10 19:31:08 > 2014 > CHECKING EXTENT REGIONS. > Read twigs 1012 > Time interval: Sat May 10 19:31:08 2014 - Sat May 10 19:31:08 > 2014 > CHECKING THE SEMANTIC TREE > Found 209015 objects (some could be encountered more then once). > Time interval: Sat May 10 19:31:08 2014 - Sat May 10 19:31:11 > 2014 > ***** fsck.reiser4 finished at Sat May 10 19:31:11 2014 > Closing fs...done > > FS is consistent. > > tanith xen # > > > -- > To unsubscribe from this list: send the line "unsubscribe > reiserfs-devel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html