My apologies, this was for the bcache list, sorry about this.
On Sun, May 14, 2017 at 08:25:22AM -0700, Marc MERLIN wrote:
>
> gargamel:/sys/block/bcache16/bcache# echo 1 > stop
>
> bcache: bcache_device_free() bcache16 stopped
> ------------[ cut here ]------------
> WARNING: CPU: 7 PID: 11051 at lib/idr.c:383 ida_remove+0xe8/0x10b
> ida_remove called for id=16 which is not allocated.
> Modules linked in: uas usb_storage veth ip6table_filter ip6_tables
> ebtable_nat ebtables ppdev lp xt_addrtype br_netfilter bridge stp llc tun
> autofs4 softdog binfmt_misc ftdi_sio nfsd auth_rpcgss nfs_acl nfs lockd grace
> fscache sunrpc ipt_REJECT nf_reject_ipv4 xt_conntrack xt_mark xt_nat
> xt_tcpudp nf_log_ipv4 nf_log_common xt_LOG iptable_mangle iptable_filter lm85
> hwmon_vid pl2303 dm_snapshot dm_bufio iptable_nat ip_tables nf_conntrack_ipv4
> nf_defrag_ipv4 nf_nat_ipv4 nf_conntrack_ftp ipt_MASQUERADE
> nf_nat_masquerade_ipv4 nf_nat nf_conntrack x_tables sg st snd_pcm_oss
> snd_mixer_oss bcache kvm_intel kvm irqbypass snd_hda_codec_realtek
> snd_hda_codec_generic snd_cmipci snd_hda_intel snd_mpu401_uart snd_opl3_lib
> snd_hda_codec snd_rawmidi snd_hda_core rc_ati_x10 snd_hwdep snd_seq_device
> ati_remote
> snd_pcm eeepc_wmi asix snd_timer usbserial asus_wmi usbnet rc_core snd
> sparse_keymap libphy rfkill hwmon lpc_ich soundcore mei_me parport_pc wmi
> tpm_infineon parport tpm_tis i2c_i801 battery input_leds tpm_tis_core i915
> tpm pcspkr evdev e1000e ptp pps_core fuse raid456 multipath mmc_block
> mmc_core lrw ablk_helper dm_crypt dm_mod async_raid6_recov async_pq async_xor
> async_memcpy async_tx crc32c_intel blowfish_x86_64 blowfish_common pcbc
> aesni_intel aes_x86_64 crypto_simd glue_helper cryptd xhci_pci ehci_pci
> xhci_hcd ehci_hcd r8169 sata_sil24 mii usbcore thermal mvsas fan libsas
> scsi_transport_sas [last unloaded: ftdi_sio]
> CPU: 7 PID: 11051 Comm: kworker/7:13 Tainted: G U W
> 4.11.0-amd64-preempt-sysrq-20170406 #2
> Hardware name: System manufacturer System Product Name/P8H67-M PRO, BIOS 3904
> 04/27/2013
> Workqueue: events cached_dev_free [bcache]
> Call Trace:
> dump_stack+0x61/0x7d
> __warn+0xc2/0xdd
> warn_slowpath_fmt+0x5a/0x76
> ida_remove+0xe8/0x10b
> ida_simple_remove+0x2e/0x43
> bcache_device_free+0x8c/0xc4 [bcache]
> cached_dev_free+0x6b/0xe1 [bcache]
> process_one_work+0x193/0x2b0
> worker_thread+0x1e9/0x2c1
> ? rescuer_thread+0x2b1/0x2b1
> kthread+0xfb/0x100
> ? init_completion+0x24/0x24
> ret_from_fork+0x2c/0x40
> ---[ end trace 12586d8b165ff8f2 ]---
>
> Prior to that:
> cd /sys/fs/bcache/5bc072a8-ab17-446d-9744-e247949913c1
> echo 1 > stop
>
> I needed to complete stop and remove all traces of a bcache before I could
> mdadm --stop the underlying array.
>
> Marc
> --
> "A mouse is a device used to point at the xterm you want to type in" - A.S.R.
> Microsoft is to operating systems ....
> .... what McDonalds is to gourmet
> cooking
> Home page: http://marc.merlins.org/ | PGP
> 1024R/763BE901
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
.... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/ | PGP 1024R/763BE901
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