On Thu, Nov 03, 2011 at 10:25:23AM +0900, Tsutomu Itoh wrote: > In integration-scrub branch, following warning messages were displayed by > running xfstests. > > # btrfs fi sh /dev/sdd4 > Label: none uuid: 8f28d85c-e37c-4c1b-adef-2627ca59be78 > Total devices 2 FS bytes used 31.49MB > devid 1 size 9.31GB used 9.31GB path /dev/sdd4 > devid 2 size 15.01GB used 9.29GB path /dev/sdc1 > > Btrfs Btrfs v0.19 > # mount > ... > /dev/sdd4 on /test7 type btrfs (rw,compress=lzo) > # > > Thanks, > Tsutomu > > ==================================================================================== > > Nov 3 09:55:18 luna kernel: [ 939.732044] device fsid > 8f28d85c-e37c-4c1b-adef-2627ca59be78 devid 1 transid 20510 /dev/sdd4 > Nov 3 09:55:18 luna kernel: [ 939.732533] btrfs: use lzo compression > Nov 3 09:55:18 luna kernel: [ 939.732536] btrfs: disk space caching is > enabled > Nov 3 09:55:18 luna kernel: [ 939.898190] ------------[ cut here > ]------------ > Nov 3 09:55:18 luna kernel: [ 939.898223] WARNING: at > fs/btrfs/free-space-cache.c:305 io_ctl_map_page+0x29/0x76 [btrfs]() > Nov 3 09:55:18 luna kernel: [ 939.898227] Hardware name: PRIMERGY > Nov 3 09:55:18 luna kernel: [ 939.898229] Modules linked in: btrfs > zlib_deflate crc32c libcrc32c nfsd lockd nfs_acl auth_rpcgss autofs4 sunrpc > 8021q garp stp llc cpufreq_ondemand acpi_cpufreq freq_table mperf cachefiles > fscache ipv6 ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm uinput ppdev > parport_pc parport sg pcspkr i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support > tg3 shpchp pci_hotplug i3000_edac edac_core ext4 mbcache jbd2 crc16 sd_mod > crc_t10dif megaraid_sas sr_mod cdrom floppy pata_acpi ata_generic ata_piix > libata scsi_mod [last unloaded: microcode] > Nov 3 09:55:18 luna kernel: [ 939.898291] Pid: 13337, comm: dd Not tainted > 3.1.0integ-sc+ #1 > Nov 3 09:55:18 luna kernel: [ 939.898294] Call Trace: > Nov 3 09:55:18 luna kernel: [ 939.898303] [<ffffffff8104b6fe>] > warn_slowpath_common+0x85/0x9d > Nov 3 09:55:18 luna kernel: [ 939.898308] [<ffffffff8104b730>] > warn_slowpath_null+0x1a/0x1c > Nov 3 09:55:18 luna kernel: [ 939.898328] [<ffffffffa0477507>] > io_ctl_map_page+0x29/0x76 [btrfs] > Nov 3 09:55:18 luna kernel: [ 939.898349] [<ffffffffa0477733>] > io_ctl_check_crc+0x62/0xdd [btrfs]
Looks like io_ctl_read_bitmap will call io_ctl_check_crc with a mapped page mapped. Any chance you're able to reproduce this? -chris -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
