(2011/11/03 20:19), Chris Mason wrote:
> 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?

Yes.
However, because the panic that David reported occurs, I cannot reproduce
this problem though I executed xfstests again.

Thanks,
Tsutomu

--
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

Reply via email to