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From: Christoph Anton Mitterer <calestyo@scientia.net>
To: Nikolay Borisov <nborisov@suse.com>,
	Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: Re: BUG: unable to handle kernel paging request at ffff9fb75f827100
Date: Wed, 21 Feb 2018 17:48:38 +0100	[thread overview]
Message-ID: <1519231718.3834.6.camel@scientia.net> (raw)
In-Reply-To: <478320b9-1972-2615-2e91-adc3d3f5112b@suse.com>

A scrub now gave:
# btrfs scrub start -Br /dev/disk/by-label/system
ERROR: scrubbing /dev/disk/by-label/system failed for device id 1: ret=-1, errno=5 (Input/output error)
scrub canceled for b6050e38-716a-40c3-a8df-fcf1dd7e655d
	scrub started at Wed Feb 21 17:42:39 2018 and was aborted after 00:04:18
	total bytes scrubbed: 116.59GiB with 1 errors
	error details: csum=1
	corrected errors: 0, uncorrectable errors: 0, unverified errors: 0



with that in the kernel log
Feb 21 17:43:09 heisenberg kernel: BTRFS warning (device dm-0): checksum error at logical 16401395712 on dev /dev/mapper/system, sector 32033976, root 1830, inode 42609350, offset 6754201600, length 4096, links 1 (path: var/lib/libvirt/images/subsurface.qcow2)
Feb 21 17:43:09 heisenberg kernel: BTRFS warning (device dm-0): checksum error at logical 16401395712 on dev /dev/mapper/system, sector 32033976, root 257, inode 42609350, offset 6754201600, length 4096, links 1 (path: var/lib/libvirt/images/subsurface.qcow2)
Feb 21 17:43:09 heisenberg kernel: BTRFS error (device dm-0): bdev /dev/mapper/system errs: wr 0, rd 0, flush 0, corrupt 1, gen 0

Feb 21 17:46:13 heisenberg kernel: usb 1-2: USB disconnect, device number 2
Feb 21 17:46:57 heisenberg kernel: btrfs_printk: 128 callbacks suppressed
Feb 21 17:46:57 heisenberg kernel: BTRFS critical (device dm-0): unable to find logical 4503658729209856 length 16384
Feb 21 17:46:57 heisenberg kernel: BTRFS critical (device dm-0): unable to find logical 4503658729209856 length 4096
Feb 21 17:46:57 heisenberg kernel: BTRFS critical (device dm-0): unable to find logical 4503658729209856 length 4096
Feb 21 17:46:57 heisenberg kernel: BTRFS critical (device dm-0): unable to find logical 4503658729209856 length 16384


any idea on what to do?

      parent reply	other threads:[~2018-02-21 16:48 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-21  4:09 BUG: unable to handle kernel paging request at ffff9fb75f827100 Christoph Anton Mitterer
2018-02-21  6:34 ` Nikolay Borisov
2018-02-21 14:20   ` Christoph Anton Mitterer
2018-02-21 14:51     ` Christoph Anton Mitterer
2018-02-21 17:18     ` Christoph Anton Mitterer
2018-02-21 17:56       ` Nikolay Borisov
2018-02-21 17:59         ` Christoph Anton Mitterer
2018-02-21 16:42   ` Christoph Anton Mitterer
2018-02-21 16:48   ` Christoph Anton Mitterer [this message]

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