From: NeilBrown <neilb@suse.com>
To: Tomasz Chmielewski <tch@virtall.com>
Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org
Subject: Re: 4.0.5: WARNING: CPU: 3 PID: 249 at /home/kernel/COD/linux/mm/backing-dev.c:372 bdi_unregister+0x36/0x40()
Date: Thu, 25 Jun 2015 09:29:40 +1000 [thread overview]
Message-ID: <20150625092940.08c3fb4b@noble> (raw)
In-Reply-To: <6d6f7bd7a906a79bacf8e622d348efcf@admin.virtall.com>
On Mon, 15 Jun 2015 21:39:03 +0900 Tomasz Chmielewski <tch@virtall.com>
wrote:
> Got this after stopping a RAID-1 array:
>
> [ 626.694737] md: md3 still in use.
> [ 626.694946] md: delaying resync of md3 until md2 has finished (they
> share one or more physical units)
> [ 628.256210] md3: detected capacity change from 3888444473344 to 0
> [ 628.256372] md: md3 stopped.
> [ 628.256383] md: unbind<sdb4>
> [ 628.274852] md: export_rdev(sdb4)
> [ 628.274909] md: unbind<sda4>
> [ 628.282856] md: export_rdev(sda4)
> [ 628.283246] ------------[ cut here ]------------
> [ 628.283258] WARNING: CPU: 3 PID: 249 at
> /home/kernel/COD/linux/mm/backing-dev.c:372 bdi_unregister+0x36/0x40()
Fixed in 4.0.6.
NeilBrown
> [ 628.283261] Modules linked in: intel_rapl iosf_mbi
> x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm
> crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64
> lrw gf128mul glue_helper ablk_helper eeepc_wmi asus_wmi ppdev
> sparse_keymap parport_pc cryptd video shpchp 8250_fintek lpc_ich lp
> tpm_infineon wmi mac_hid parport serio_raw btrfs pata_acpi raid10
> raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor
> raid6_pq raid1 ahci r8169 libahci raid0 mii pata_via multipath linear
> [ 628.283320] CPU: 3 PID: 249 Comm: kworker/3:1 Not tainted
> 4.0.5-040005-generic #201506061639
> [ 628.283322] Hardware name: System manufacturer System Product
> Name/P8H67-M PRO, BIOS 3904 04/27/2013
> [ 628.283328] Workqueue: md_misc mddev_delayed_delete
> [ 628.283341] 0000000000000174 ffff88040867bca8 ffffffff817e4a5d
> 0000000000000007
> [ 628.283347] 0000000000000000 ffff88040867bce8 ffffffff81079227
> ffffffff81adc895
> [ 628.283352] ffff880409197c00 0000000000000000 0000000000000000
> ffff88041f2da900
> [ 628.283365] Call Trace:
> [ 628.283374] [<ffffffff817e4a5d>] dump_stack+0x45/0x57
> [ 628.283381] [<ffffffff81079227>] warn_slowpath_common+0x97/0xe0
> [ 628.283386] [<ffffffff8107928a>] warn_slowpath_null+0x1a/0x20
> [ 628.283390] [<ffffffff811a3f16>] bdi_unregister+0x36/0x40
> [ 628.283397] [<ffffffff813955f8>] del_gendisk+0x108/0x260
> [ 628.283402] [<ffffffff81648eec>] md_free+0x4c/0x70
> [ 628.283408] [<ffffffff813b6b62>] kobject_cleanup+0x82/0x1c0
> [ 628.283413] [<ffffffff813b69f0>] kobject_put+0x30/0x70
> [ 628.283417] [<ffffffff81649c44>] mddev_delayed_delete+0x34/0x40
> [ 628.283422] [<ffffffff81092204>] process_one_work+0x144/0x490
> [ 628.283426] [<ffffffff81092c6e>] worker_thread+0x11e/0x450
> [ 628.283431] [<ffffffff81092b50>] ? create_worker+0x1f0/0x1f0
> [ 628.283436] [<ffffffff81098999>] kthread+0xc9/0xe0
> [ 628.283442] [<ffffffff810988d0>] ? flush_kthread_worker+0x90/0x90
> [ 628.283448] [<ffffffff817f1118>] ret_from_fork+0x58/0x90
> [ 628.283453] [<ffffffff810988d0>] ? flush_kthread_worker+0x90/0x90
> [ 628.283457] ---[ end trace 2c187f15cc11aca4 ]---
>
>
>
WARNING: multiple messages have this Message-ID (diff)
From: NeilBrown <neilb@suse.com>
To: Tomasz Chmielewski <tch@virtall.com>
Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org
Subject: Re: 4.0.5: WARNING: CPU: 3 PID: 249 at /home/kernel/COD/linux/mm/backing-dev.c:372 bdi_unregister+0x36/0x40()
Date: Thu, 25 Jun 2015 09:29:40 +1000 [thread overview]
Message-ID: <20150625092940.08c3fb4b@noble> (raw)
In-Reply-To: <6d6f7bd7a906a79bacf8e622d348efcf@admin.virtall.com>
On Mon, 15 Jun 2015 21:39:03 +0900 Tomasz Chmielewski <tch@virtall.com>
wrote:
> Got this after stopping a RAID-1 array:
>
> [ 626.694737] md: md3 still in use.
> [ 626.694946] md: delaying resync of md3 until md2 has finished (they
> share one or more physical units)
> [ 628.256210] md3: detected capacity change from 3888444473344 to 0
> [ 628.256372] md: md3 stopped.
> [ 628.256383] md: unbind<sdb4>
> [ 628.274852] md: export_rdev(sdb4)
> [ 628.274909] md: unbind<sda4>
> [ 628.282856] md: export_rdev(sda4)
> [ 628.283246] ------------[ cut here ]------------
> [ 628.283258] WARNING: CPU: 3 PID: 249 at
> /home/kernel/COD/linux/mm/backing-dev.c:372 bdi_unregister+0x36/0x40()
Fixed in 4.0.6.
NeilBrown
> [ 628.283261] Modules linked in: intel_rapl iosf_mbi
> x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm
> crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64
> lrw gf128mul glue_helper ablk_helper eeepc_wmi asus_wmi ppdev
> sparse_keymap parport_pc cryptd video shpchp 8250_fintek lpc_ich lp
> tpm_infineon wmi mac_hid parport serio_raw btrfs pata_acpi raid10
> raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor
> raid6_pq raid1 ahci r8169 libahci raid0 mii pata_via multipath linear
> [ 628.283320] CPU: 3 PID: 249 Comm: kworker/3:1 Not tainted
> 4.0.5-040005-generic #201506061639
> [ 628.283322] Hardware name: System manufacturer System Product
> Name/P8H67-M PRO, BIOS 3904 04/27/2013
> [ 628.283328] Workqueue: md_misc mddev_delayed_delete
> [ 628.283341] 0000000000000174 ffff88040867bca8 ffffffff817e4a5d
> 0000000000000007
> [ 628.283347] 0000000000000000 ffff88040867bce8 ffffffff81079227
> ffffffff81adc895
> [ 628.283352] ffff880409197c00 0000000000000000 0000000000000000
> ffff88041f2da900
> [ 628.283365] Call Trace:
> [ 628.283374] [<ffffffff817e4a5d>] dump_stack+0x45/0x57
> [ 628.283381] [<ffffffff81079227>] warn_slowpath_common+0x97/0xe0
> [ 628.283386] [<ffffffff8107928a>] warn_slowpath_null+0x1a/0x20
> [ 628.283390] [<ffffffff811a3f16>] bdi_unregister+0x36/0x40
> [ 628.283397] [<ffffffff813955f8>] del_gendisk+0x108/0x260
> [ 628.283402] [<ffffffff81648eec>] md_free+0x4c/0x70
> [ 628.283408] [<ffffffff813b6b62>] kobject_cleanup+0x82/0x1c0
> [ 628.283413] [<ffffffff813b69f0>] kobject_put+0x30/0x70
> [ 628.283417] [<ffffffff81649c44>] mddev_delayed_delete+0x34/0x40
> [ 628.283422] [<ffffffff81092204>] process_one_work+0x144/0x490
> [ 628.283426] [<ffffffff81092c6e>] worker_thread+0x11e/0x450
> [ 628.283431] [<ffffffff81092b50>] ? create_worker+0x1f0/0x1f0
> [ 628.283436] [<ffffffff81098999>] kthread+0xc9/0xe0
> [ 628.283442] [<ffffffff810988d0>] ? flush_kthread_worker+0x90/0x90
> [ 628.283448] [<ffffffff817f1118>] ret_from_fork+0x58/0x90
> [ 628.283453] [<ffffffff810988d0>] ? flush_kthread_worker+0x90/0x90
> [ 628.283457] ---[ end trace 2c187f15cc11aca4 ]---
>
>
>
next prev parent reply other threads:[~2015-06-24 23:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-15 12:39 4.0.5: WARNING: CPU: 3 PID: 249 at /home/kernel/COD/linux/mm/backing-dev.c:372 bdi_unregister+0x36/0x40() Tomasz Chmielewski
2015-06-24 23:29 ` NeilBrown [this message]
2015-06-24 23:29 ` NeilBrown
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