btrfs BUG() & panic in __btrfs_reserve_extent(), 2.6.30-rc6

Denys Fedoryschenko
2009-05-24T11:03:48Z

Hardware: 2x Core 2 Quad Xeon, RAM 8GB, 9 HDD
Arch: x86_64
Distro: custom, almost embedded
Kernel: 2.6.30-rc6-git6-build-0045-64bit

netconsole crash information: http://www.nuclearcat.com/files/btrfs-crash.txt

df information:
Proxy-Karam-Main /config # df -h
Filesystem Size Used Available Use% Mounted on
/dev/mapper/root 3.6G 107.1M 3.4G 3% /mnt/flash
/dev/loop0 4.9M 4.9M 0
100% /lib/modules/2.6.30-rc6-git6-build-0045-64bit
/dev/sdb2 118.9G 17.6G 95.2G 16% /cache2
/dev/sdc1 134.5G 17.6G 110.0G 14% /cache3
/dev/sdd1 134.5G 17.6G 110.0G 14% /cache4
/dev/sde1 134.5G 17.6G 110.0G 14% /cache5
/dev/sdf1 134.5G 17.8G 109.9G 14% /cache6
/dev/sdg1 134.5G 17.6G 110.0G 14% /cache7
/dev/sdh1 134.5G 17.4G 110.2G 14% /cache8
/dev/sdb1 15.8G 9.4G 6.5G 59% /cache9
/dev/sda1 15.8G 9.4G 6.5G 59% /cache10

Proxy-Karam-Main /config # df -i
Filesystem Inodes Used Available Use% Mounted on
/dev/mapper/root 243360 36 243324 0% /mnt/flash
/dev/loop0 840 840 0
100% /lib/modules/2.6.30-rc6-git6-build-0045-64bit
/dev/sdb2 7921664 38420 7883244 0% /cache2
/dev/sdc1 8953856 39806 8914050 0% /cache3
/dev/sdd1 8953856 38571 8915285 0% /cache4
/dev/sde1 8953856 38829 8915027 0% /cache5
/dev/sdf1 8953856 50827 8903029 1% /cache6
/dev/sdg1 8953856 41111 8912745 0% /cache7
/dev/sdh1 8953856 28609 8925247 0% /cache8
/dev/sdb1 0 0 0 0% /cache9
/dev/sda1 0 0 0 0% /cache10

/proc/mounts
Proxy-Karam-Main /config # cat /proc/mounts
rootfs / rootfs rw 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,relatime 0 0
none /dev/pts devpts rw,relatime,mode=600 0 0
none /proc/bus/usb usbfs rw,relatime 0 0
/dev/mapper/root /mnt/flash ext3 rw,noatime,errors=continue,data=writeback 0 0
/dev/loop0 /lib/modules/2.6.30-rc6-git6-build-0045-64bit squashfs ro,relatime
0 0
/dev/sdb2 /cache2 ext4
rw,noatime,nodiratime,commit=60,barrier=1,journal_async_commit,data=writeback
0 0
/dev/sdc1 /cache3 ext4
rw,noatime,nodiratime,commit=60,barrier=1,journal_async_commit,data=writeback
0 0
/dev/sdd1 /cache4 ext4
rw,noatime,nodiratime,commit=60,barrier=1,journal_async_commit,data=writeback
0 0
/dev/sde1 /cache5 ext4
rw,noatime,nodiratime,commit=60,barrier=1,journal_async_commit,data=writeback
0 0
/dev/sdf1 /cache6 ext4
rw,noatime,nodiratime,commit=60,barrier=1,journal_async_commit,data=writeback
0 0
/dev/sdg1 /cache7 ext4
rw,noatime,nodiratime,commit=60,barrier=1,journal_async_commit,data=writeback
0 0
/dev/sdh1 /cache8 ext4
rw,noatime,nodiratime,commit=60,barrier=1,journal_async_commit,data=writeback
0 0
/dev/sdb1 /cache9 btrfs rw,relatime,nodatasum,nodatacow,nobarrier,noacl 0 0
/dev/sda1 /cache10 btrfs rw,relatime,nodatasum,nodatacow,nobarrier,noacl 0 0

btrfs-show
Label: CACHE10 uuid: de61670d-5e6a-40f1-8712-aaa4bf3df719
Total devices 1 FS bytes used 9.36GB
devid 1 size 15.83GB used 15.83GB path /dev/sda1

Label: CACHE9 uuid: a293c4d3-31d6-427e-9cbf-5e5fbaf8871e
Total devices 1 FS bytes used 9.37GB
devid 1 size 15.83GB used 15.83GB path /dev/sdb1