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Bug#790346: also experiencing this bug

Started byFred Drueck <fdruec1@uic.edu>
First post2016-03-22 22:10 +0100
Last post2016-03-22 22:10 +0100
Articles 1 — 1 participant

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  Bug#790346: also experiencing this bug Fred Drueck <fdruec1@uic.edu> - 2016-03-22 22:10 +0100

#53290 — Bug#790346: also experiencing this bug

FromFred Drueck <fdruec1@uic.edu>
Date2016-03-22 22:10 +0100
SubjectBug#790346: also experiencing this bug
Message-ID<rfBIS-1Lk-15@gated-at.bofh.it>
Hello Maintainers, bug-subscribers,

I also experience this bug with:

Package: linux-image-3.16.0-4-amd64
Version: 3.16.7-ckt20-1+deb8u4

I've been using the backports kernel:

Package: linux-image-4.3.0-0.bpo.1-amd64 
Version: 4.3.5-1~bpo8+1

without any btrfs-related errors occurring.

Note, though, that I'm regularly taking snapshots on another machine
running that same kernel version:

Package: linux-image-3.16.0-4-amd64
Version: 3.16.7-ckt20-1+deb8u4

and formerly:

Version: 3.16.7-ckt19-1+deb8u4

*without* experiencing any noticeable adverse effects.  I've also run a
'btrfs balance' in the not-so-distant past, but I do not remember what
kernel I was running at the time.  I think I was still using the
following kernel:

Package: linux-image-3.2.0-4-amd64
Version: 3.2.73-2+deb7u2

at the time I performed the btrfs balance.

Here's a syslog snippet from the machine that would crashes with kernel 3.16.-7ctk20-deb8u4:

/var/log/syslog.3.gz:Mar 19 16:39:27 ricochet kernel: [  852.534413] WARNING: CPU: 0 PID: 3349 at /build/linux-U7H2aZ/linux-3.16.7-ckt20/fs/btrfs/backref.c:982 find_parent_nodes+0x71e/0x730 [btrfs]()
/var/log/syslog.3.gz:Mar 19 16:39:27 ricochet kernel: [  852.534414] Modules linked in: openafs(PO) nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables ext4 crc16 mbcache jbd2 iTCO_wdt ttm drm_kms_helper drm tpm_tis iTCO_vendor_support ipmi_devintf i2c_algo_bit i2c_core joydev dcdbas evdev pcspkr coretemp acpi_power_meter kvm tpm ipmi_si ipmi_msghandler button processor thermal_sys lpc_ich mfd_core i7core_edac edac_core shpchp parport_pc ppdev lp parport autofs4 hid_generic usbhid hid btrfs usb_storage xor raid6_pq sg sd_mod crc_t10dif sr_mod crct10dif_generic cdrom crct10dif_common crc32c_intel ahci libahci ehci_pci libata tg3 ehci_hcd ptp scsi_mod pps_core libphy usbcore usb_common
/var/log/syslog.3.gz:Mar 19 16:39:27 ricochet kernel: [  852.534513]  [<ffffffffa021380e>] ? find_parent_nodes+0x71e/0x730 [btrfs]
/var/log/syslog.3.gz:Mar 19 16:39:27 ricochet kernel: [  852.534522]  [<ffffffffa02138ba>] ? __btrfs_find_all_roots+0x9a/0x100 [btrfs]
/var/log/syslog.3.gz:Mar 19 16:39:27 ricochet kernel: [  852.534531]  [<ffffffffa01d10a0>] ? set_state_bits+0x70/0x70 [btrfs]
/var/log/syslog.3.gz:Mar 19 16:39:27 ricochet kernel: [  852.534540]  [<ffffffffa02142ed>] ? iterate_extent_inodes+0x12d/0x310 [btrfs]
/var/log/syslog.3.gz:Mar 19 16:39:27 ricochet kernel: [  852.534549]  [<ffffffffa01d10a0>] ? set_state_bits+0x70/0x70 [btrfs]
/var/log/syslog.3.gz:Mar 19 16:39:27 ricochet kernel: [  852.534557]  [<ffffffffa0214559>] ? iterate_inodes_from_logical+0x89/0xa0 [btrfs]
/var/log/syslog.3.gz:Mar 19 16:39:27 ricochet kernel: [  852.534567]  [<ffffffffa01d8b70>] ? extent_fiemap+0x250/0x550 [btrfs]
/var/log/syslog.3.gz:Mar 19 16:39:27 ricochet kernel: [  852.534576]  [<ffffffffa01bbfd0>] ? btrfs_get_extent+0x920/0x920 [btrfs]
/var/log/syslog.3.gz:Mar 19 17:42:12 ricochet kernel: [    3.630802] BTRFS: device label btrfs-array devid 2 transid 8641 /dev/sda3
/var/log/syslog.3.gz:Mar 19 17:42:12 ricochet kernel: [    3.631401] BTRFS: device label btrfs-array devid 1 transid 8641 /dev/sdb3
/var/log/syslog.3.gz:Mar 19 19:27:09 ricochet kernel: [    3.500123] BTRFS: device label btrfs-array devid 2 transid 10482 /dev/sda3
Mar 19 15:57:03 ricochet kernel: [  793.567826]  [<ffffffff811bac01>] ? SyS_ioctl+0x81/0xa0
Mar 19 15:57:03 ricochet kernel: [  793.567895]  [<ffffffff81513ecd>] ? system_call_fast_compare_end+0x10/0x15
Mar 19 15:57:03 ricochet kernel: [  793.567964] ---[ end trace 99b49ea8dbe32040 ]---
Mar 19 15:57:03 ricochet kernel: [  793.568095] ------------[ cut here ]------------
Mar 19 15:57:03 ricochet kernel: [  793.568169] WARNING: CPU: 3 PID: 3429 at /build/linux-U7H2aZ/linux-3.16.7-ckt20/fs/btrfs/backref.c:982 find_parent_nodes+0x71e/0x730 [btrfs]()
Mar 19 15:57:03 ricochet kernel: [  793.568262] Modules linked in: ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables ext4 crc16 mbcache jbd2 usb_storage nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc ttm drm_kms_helper drm i2c_algo_bit coretemp i2c_core ipmi_devintf kvm iTCO_wdt iTCO_vendor_support joydev pcspkr evdev dcdbas ipmi_si tpm_tis acpi_power_meter tpm ipmi_msghandler button processor lpc_ich thermal_sys shpchp mfd_core i7core_edac edac_core parport_pc ppdev lp parport autofs4 hid_generic usbhid hid btrfs xor raid6_pq sg sd_mod crc_t10dif sr_mod crct10dif_generic cdrom crct10dif_common crc32c_intel ahci libahci ehci_pci ehci_hcd libata tg3 ptp pps_core scsi_mod usbcore libphy usb_common
Mar 19 15:57:03 ricochet kernel: [  793.572289] CPU: 3 PID: 3429 Comm: dpkg-query Tainted: G        W     3.16.0-4-amd64 #1 Debian 3.16.7-ckt20-1+deb8u4
Mar 19 15:57:03 ricochet kernel: [  793.572385] Hardware name: Dell Inc. PowerEdge T110/0V52N7, BIOS 1.6.4 03/02/2011
Mar 19 15:57:03 ricochet kernel: [  793.572474]  0000000000000009 ffffffff8150dcff 0000000000000000 ffffffff810677d7
Mar 19 15:57:03 ricochet kernel: [  793.572748]  ffff8803c4c53c60 0000000000000000 ffff8803892ca3f8 ffff8800adda5a40
Mar 19 15:57:03 ricochet kernel: [  793.573022]  ffff8803d22af2a0 ffffffffa020c80e 0000004986f50000 ffff8803892205d0
Mar 19 15:57:03 ricochet kernel: [  793.573297] Call Trace:
Mar 19 15:57:03 ricochet kernel: [  793.573366]  [<ffffffff8150dcff>] ? dump_stack+0x41/0x51
Mar 19 15:57:03 ricochet kernel: [  793.573440]  [<ffffffff810677d7>] ? warn_slowpath_common+0x77/0x90
Mar 19 15:57:03 ricochet kernel: [  793.573530]  [<ffffffffa020c80e>] ? find_parent_nodes+0x71e/0x730 [btrfs]
Mar 19 15:57:03 ricochet kernel: [  793.573621]  [<ffffffffa020c8ba>] ? __btrfs_find_all_roots+0x9a/0x100 [btrfs]
Mar 19 15:57:03 ricochet kernel: [  793.573714]  [<ffffffffa01ca0a0>] ? set_state_bits+0x70/0x70 [btrfs]
Mar 19 15:57:03 ricochet kernel: [  793.573803]  [<ffffffffa020d2ed>] ? iterate_extent_inodes+0x12d/0x310 [btrfs]
Mar 19 15:57:03 ricochet kernel: [  793.573897]  [<ffffffffa01ca0a0>] ? set_state_bits+0x70/0x70 [btrfs]
Mar 19 15:57:03 ricochet kernel: [  793.573994]  [<ffffffffa020d559>] ? iterate_inodes_from_logical+0x89/0xa0 [btrfs]
Mar 19 15:57:03 ricochet kernel: [  793.574102]  [<ffffffffa01d1b70>] ? extent_fiemap+0x250/0x550 [btrfs]
Mar 19 15:57:03 ricochet kernel: [  793.574194]  [<ffffffffa01b4fd0>] ? btrfs_get_extent+0x920/0x920 [btrfs]
Mar 19 15:57:03 ricochet kernel: [  793.574270]  [<ffffffff811ba826>] ? do_vfs_ioctl+0x156/0x4b0
Mar 19 15:57:03 ricochet kernel: [  793.574344]  [<ffffffff811bac01>] ? SyS_ioctl+0x81/0xa0
Mar 19 15:57:03 ricochet kernel: [  793.574417]  [<ffffffff81513ecd>] ? system_call_fast_compare_end+0x10/0x15
Mar 19 15:57:03 ricochet kernel: [  793.574492] ---[ end trace 99b49ea8dbe32041 ]---
Mar 19 15:57:03 ricochet kernel: [  793.585158] ------------[ cut here ]------------

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