Hey. FYI:
Just got this call trace during a send/receive (with -p) between two btrfs on 4.7.0. Neither btrfs-send nor -receive showed an error though and seem to have completed successfully (at least a diff of the changes implied that. Sep 19 20:24:38 heisenberg kernel: BTRFS info (device dm-2): disk space caching is enabled Sep 19 20:25:53 heisenberg kernel: ------------[ cut here ]------------ Sep 19 20:25:53 heisenberg kernel: WARNING: CPU: 2 PID: 24266 at /build/linux-m2Twzh/linux-4.7.2/fs/btrfs/send.c:5964 btrfs_ioctl_send+0x537/0x1260 [btrfs] Sep 19 20:25:53 heisenberg kernel: Modules linked in: udp_diag tcp_diag inet_diag algif_skcipher af_alg uas hmac drbg ansi_cprng ctr ccm vhost_net vhost macvtap macvlan xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat xt_tcpudp tun bridge stp llc fuse ebtable_filter ebtables joydev rtsx_pci_ms rtsx_pci_sdmmc memstick mmc_core cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_conservative iTCO_wdt iTCO_vendor_support intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel psmouse uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev media btusb pcspkr btrtl btbcm btintel bluetooth crc16 sg rtsx_pci arc4 iwldvm mac80211 iwlwifi cfg80211 rfkill snd_hda_codec_hdmi snd_hda_codec_realtek Sep 19 20:25:53 heisenberg kernel: snd_hda_codec_generic fjes i915 tpm_tis tpm battery fujitsu_laptop ac i2c_i801 snd_hda_intel video snd_hda_codec lpc_ich mfd_core button snd_hda_core snd_hwdep drm_kms_helper snd_pcm shpchp snd_timer e1000e snd drm soundcore mei_me ptp i2c_algo_bit pps_core mei ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables xt_policy ipt_REJECT nf_reject_ipv4 xt_comment nf_conntrack_ipv4 nf_defrag_ipv4 xt_multiport xt_conntrack nf_conntrack iptable_filter binfmt_misc loop sunrpc parport_pc ppdev lp parport ip_tables x_tables autofs4 dm_crypt dm_mod raid10 raid456 libcrc32c async_raid6_recov async_memcpy async_pq async_xor async_tx raid1 raid0 multipath linear md_mod btrfs crc32c_generic xor raid6_pq uhci_hcd usb_storage sd_mod crc32c_intel ahci libahci aesni_intel Sep 19 20:25:53 heisenberg kernel: libata aes_x86_64 xhci_pci glue_helper lrw xhci_hcd gf128mul ablk_helper cryptd ehci_pci ehci_hcd scsi_mod evdev usbcore serio_raw usb_common Sep 19 20:25:53 heisenberg kernel: CPU: 2 PID: 24266 Comm: btrfs Not tainted 4.7.0-1-amd64 #1 Debian 4.7.2-1 Sep 19 20:25:53 heisenberg kernel: Hardware name: FUJITSU LIFEBOOK E782/FJNB23E, BIOS Version 1.11 05/24/2012 Sep 19 20:25:53 heisenberg kernel: 0000000000000286 000000007d5ad1ff ffffffffaff16655 0000000000000000 Sep 19 20:25:53 heisenberg kernel: 0000000000000000 ffffffffafc7895e ffff8802d1ebf42c 00007fff6fcb1800 Sep 19 20:25:53 heisenberg kernel: ffff8800c15da000 0000000040489426 ffff8802d1ebf000 ffff8803da842100 Sep 19 20:25:53 heisenberg kernel: Call Trace: Sep 19 20:25:53 heisenberg kernel: [<ffffffffaff16655>] ? dump_stack+0x5c/0x77 Sep 19 20:25:53 heisenberg kernel: [<ffffffffafc7895e>] ? __warn+0xbe/0xe0 Sep 19 20:25:53 heisenberg kernel: [<ffffffffc043e357>] ? btrfs_ioctl_send+0x537/0x1260 [btrfs] Sep 19 20:25:53 heisenberg kernel: [<ffffffffb009b35e>] ? intel_pstate_update_util+0x1be/0x320 Sep 19 20:25:53 heisenberg kernel: [<ffffffffafdeb568>] ? __memcg_kmem_get_cache+0x48/0x150 Sep 19 20:25:53 heisenberg kernel: [<ffffffffafdd68b9>] ? kmem_cache_alloc+0x149/0x560 Sep 19 20:25:53 heisenberg kernel: [<ffffffffafca9cdb>] ? attach_task_cfs_rq+0x3b/0x70 Sep 19 20:25:53 heisenberg kernel: [<ffffffffc04074c8>] ? btrfs_ioctl+0x8f8/0x2300 [btrfs] Sep 19 20:25:53 heisenberg kernel: [<ffffffffaff1646a>] ? cpumask_next_and+0x2a/0x40 Sep 19 20:25:53 heisenberg kernel: [<ffffffffafcae95d>] ? enqueue_task_fair+0x5d/0x960 Sep 19 20:25:53 heisenberg kernel: [<ffffffffafc34675>] ? sched_clock+0x5/0x10 Sep 19 20:25:53 heisenberg kernel: [<ffffffffafca0940>] ? check_preempt_curr+0x50/0x90 Sep 19 20:25:53 heisenberg kernel: [<ffffffffafe0840e>] ? do_vfs_ioctl+0x9e/0x5d0 Sep 19 20:25:53 heisenberg kernel: [<ffffffffafc77c1d>] ? _do_fork+0x14d/0x3f0 Sep 19 20:25:53 heisenberg kernel: [<ffffffffafe089b4>] ? SyS_ioctl+0x74/0x80 Sep 19 20:25:53 heisenberg kernel: [<ffffffffb01d84b6>] ? system_call_fast_compare_end+0xc/0x96 Sep 19 20:25:53 heisenberg kernel: ---[ end trace b61b956fbe6451d3 ]--- Any ideas? Cheers, Chris.
smime.p7s
Description: S/MIME cryptographic signature
