I was trying to remove a LVM logical volume on a hotplugged device that had been removed, to also remove its VG, which resulted in: [1728002.718174] ------------[ cut here ]------------ [1728002.718179] WARNING: CPU: 10 PID: 15454 at fs/block_dev.c:57 __blkdev_put+0xc1/0x220() [1728002.718180] Modules linked in: dm_crypt mce_inject vfat fat bnep bluetooth rfkill xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack tun bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables fuse snd_hda_codec_realtek x86_pkg_temp_thermal coretemp snd_hda_codec_generic snd_hda_codec_hdmi kvm_intel snd_hda_intel kvm snd_hda_controller iTCO_wdt xfs snd_hda_codec iTCO_vendor_support snd_hwdep snd_seq mxm_wmi snd_seq_device crct10dif_pclmul snd_pcm crc32_pclmul crc32c_intel snd_timer sb_edac snd libcrc32c mei_me ghash_clmulni_intel lpc_ich edac_core serio_raw i2c_i801 soundcore mei shpchp mfd_core nuvoton_cir rc_core wmi binfmt_misc uas usb_storage radeon i2c_algo_bit drm_kms_helper ttm [1728002.718209] e1000e drm firewire_ohci firewire_core ptp pps_core crc_itu_t [1728002.718213] CPU: 10 PID: 15454 Comm: umount Not tainted 4.0.4-301.fc22.x86_64 #1 [1728002.718214] Hardware name: /DX79SI, BIOS SIX7910D.86A.1827.2013.0701.1715 07/01/2013 [1728002.718215] 0000000000000000 000000007fcff292 ffff88008f4abd98 ffffffff81782644 [1728002.718217] 0000000000000000 0000000000000000 ffff88008f4abdd8 ffffffff8109c66a [1728002.718218] 0000000000000000 ffff8800c67584b8 ffff8800c6758340 ffff8800c6758430 [1728002.718220] Call Trace: [1728002.718224] [<ffffffff81782644>] dump_stack+0x45/0x57 [1728002.718226] [<ffffffff8109c66a>] warn_slowpath_common+0x8a/0xc0 [1728002.718228] [<ffffffff8109c79a>] warn_slowpath_null+0x1a/0x20 [1728002.718230] [<ffffffff81258171>] __blkdev_put+0xc1/0x220 [1728002.718231] [<ffffffff81258760>] blkdev_put+0x50/0x130 [1728002.718234] [<ffffffff8121f9e1>] kill_block_super+0x41/0x80 [1728002.718236] [<ffffffff8121fd39>] deactivate_locked_super+0x49/0x80 [1728002.718238] [<ffffffff812201ac>] deactivate_super+0x6c/0x80 [1728002.718241] [<ffffffff8123ebb3>] cleanup_mnt+0x43/0xa0 [1728002.718245] [<ffffffff81140bd6>] ? __audit_syscall_exit+0x1f6/0x290 [1728002.718246] [<ffffffff8123ec62>] __cleanup_mnt+0x12/0x20 [1728002.718249] [<ffffffff810b9a24>] task_work_run+0xc4/0xe0 [1728002.718252] [<ffffffff81013d0d>] do_notify_resume+0x9d/0xa0 [1728002.718255] [<ffffffff81788ee3>] int_signal+0x12/0x17 [1728002.718256] ---[ end trace 4975e97dd7331e63 ]--- Also the VG removal did not work of course. -Andi -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
