Hey.
Hmm I guess no one has any clue about that error?
Well it seems at least that an fsck over the receiving fs passes
through without any error.
Cheers,
Chris.
On Fri, 2015-11-27 at 02:49 +0100, Christoph Anton Mitterer wrote:
> Hey.
>
> Just got the following during send/receiving a big snapshot from one
> btrfs to another fresh one.
>
> Both under kernel 4.2.6, tools 4.3
>
> The send/receive seems to continue however...
>
> Any ideas what that means?
>
> Cheers,
> Chris.
>
> Nov 27 01:52:36 heisenberg kernel: [ cut here ]
>
> Nov 27 01:52:36 heisenberg kernel: WARNING: CPU: 7 PID: 18086 at
> /build/linux-CrHvZ_/linux-4.2.6/fs/btrfs/send.c:5794
> btrfs_ioctl_send+0x661/0x1120 [btrfs]()
> Nov 27 01:52:36 heisenberg kernel: Modules linked in: ext4 mbcache
> jbd2 nls_utf8 nls_cp437 vfat fat uas 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 ccm
> ebtable_filter ebtables seqiv ecb drbg ansi_cprng algif_skcipher md4
> algif_hash af_alg binfmt_misc xfrm_user xfrm4_tunnel tunnel4 ipcomp
> xfrm_ipcomp esp4 ah4 cpufreq_userspace cpufreq_powersave
> cpufreq_stats cpufreq_conservative 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 ip_tables
> x_tables joydev rtsx_pci_ms rtsx_pci_sdmmc mmc_core memstick iTCO_wdt
> iTCO_vendor_support x86_pkg_temp_thermal
> Nov 27 01:52:36 heisenberg kernel: intel_powerclamp intel_rapl
> iosf_mbi coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul evdev
> deflate ctr psmouse serio_raw twofish_generic pcspkr btusb btrtl
> btbcm btintel bluetooth crc16 uvcvideo videobuf2_vmalloc
> videobuf2_memops videobuf2_core v4l2_common videodev media
> twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 twofish_common
> sg arc4 camellia_generic iwldvm mac80211 iwlwifi cfg80211 rtsx_pci
> rfkill camellia_aesni_avx_x86_64 snd_hda_codec_hdmi tpm_tis tpm
> 8250_fintek camellia_x86_64 snd_hda_codec_realtek
> snd_hda_codec_generic processor battery fujitsu_laptop i2c_i801 ac
> lpc_ich serpent_avx_x86_64 mfd_core snd_hda_intel snd_hda_codec
> snd_hda_core snd_hwdep snd_pcm shpchp snd_timer e1000e snd soundcore
> i915 ptp pps_core video button drm_kms_helper drm thermal_sys mei_me
> Nov 27 01:52:36 heisenberg kernel: i2c_algo_bit mei
> serpent_sse2_x86_64 xts serpent_generic blowfish_generic
> blowfish_x86_64 blowfish_common cast5_avx_x86_64 cast5_generic
> cast_common des_generic cbc cmac xcbc rmd160 sha512_ssse3
> sha512_generic sha256_ssse3 sha256_generic hmac crypto_null af_key
> xfrm_algo loop parport_pc ppdev lp parport autofs4 dm_crypt dm_mod
> md_mod btrfs xor raid6_pq uhci_hcd usb_storage sd_mod crc32c_intel
> aesni_intel aes_x86_64 glue_helper ahci lrw gf128mul ablk_helper
> libahci cryptd libata ehci_pci xhci_pci ehci_hcd scsi_mod xhci_hcd
> usbcore usb_common
> Nov 27 01:52:36 heisenberg kernel: CPU: 7 PID: 18086 Comm: btrfs Not
> tainted 4.2.0-1-amd64 #1 Debian 4.2.6-1
> Nov 27 01:52:36 heisenberg kernel: Hardware name: FUJITSU LIFEBOOK
> E782/FJNB23E, BIOS Version 1.11 05/24/2012
> Nov 27 01:52:36 heisenberg kernel: a02e6260
> 8154e2f6
> Nov 27 01:52:36 heisenberg kernel: 8106e5b1 880235a3c42c
> 7ffd3d3796c0 8802f0e5c000
> Nov 27 01:52:36 heisenberg kernel: 0004 88010543c500
> a02d2d81 88041e5ebb00
> Nov 27 01:52:36 heisenberg kernel: Call Trace:
> Nov 27 01:52:36 heisenberg kernel: [] ?
> dump_stack+0x40/0x50
> Nov 27 01:52:36 heisenberg kernel: [] ?
> warn_slowpath_common+0x81/0xb0
> Nov 27 01:52:36 heisenberg kernel: [] ?
> btrfs_ioctl_send+0x661/0x1120 [btrfs]
> Nov 27 01:52:36 heisenberg kernel: [] ?
> __alloc_pages_nodemask+0x194/0x9e0
> Nov 27 01:52:36 heisenberg kernel: [] ?
> btrfs_ioctl+0x26c/0x2a10 [btrfs]
> Nov 27 01:52:36 heisenberg kernel: [] ?
> sched_move_task+0xca/0x1d0
> Nov 27 01:52:36 heisenberg kernel: [] ?
> cpumask_next_and+0x2e/0x50
> Nov 27 01:52:36 heisenberg kernel: [] ?
> select_task_rq_fair+0x23f/0x5c0
> Nov 27 01:52:36 heisenberg kernel: [] ?
> enqueue_task_fair+0x387/0x1120
> Nov 27 01:52:36 heisenberg kernel: [] ?
> native_sched_clock+0x24/0x80
> Nov 27 01:52:36 heisenberg kernel: [] ?
> sched_clock+0x5/0x10
> Nov 27 01:52:36 heisenberg kernel: [] ?
> do_vfs_ioctl+0x2c3/0x4a0
> Nov 27 01:52:36 heisenberg kernel: [] ?
> _do_fork+0x146/0x3a0
> Nov 27 01:52:36 heisenberg kernel: [] ?
> SyS_ioctl+0x76/0x90
> Nov 27 01:52:36 heisenberg kernel: [] ?
> system_call_fast_compare_end+0xc/0x6b
> Nov 27 01:52:36 heisenberg kernel: ---[ end trace f5fa91e2672eead0 ]-
> --
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