Hi,
I built the mainline kernel v4.7-rc3-yakkety today. The problem still
exists running this kernel:
[ 53.638010] IPv6: ADDRCONF(NETDEV_CHANGE): wlx001cdfdd052f: link becomes
ready
[ 284.799611] usb 1-2: new high-speed USB device number 4 using ehci-pci
[ 285.009477] usb 1-2: New USB device found, idVendor=04e8, idProduct=61b5
[ 285.009492] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 285.009501] usb 1-2: Product: Samsung M3 Portable
[ 285.009509] usb 1-2: Manufacturer: Samsung M3 Portable
[ 285.009518] usb 1-2: SerialNumber: D93E7DFA1900009A
[ 285.113800] usbcore: registered new interface driver usb-storage
[ 285.142745] scsi host5: uas
[ 285.142982] usbcore: registered new interface driver uas
[ 285.145458] scsi 5:0:0:0: Direct-Access Samsung M3 Portable 1402
PQ: 0 ANSI: 6
[ 285.176919] sd 5:0:0:0: Attached scsi generic sg3 type 0
[ 288.510792] sd 5:0:0:0: [sdc] 3907029168 512-byte logical blocks: (2.00
TB/1.82 TiB)
[ 288.510801] sd 5:0:0:0: [sdc] 4096-byte physical blocks
[ 288.512275] sd 5:0:0:0: [sdc] Write Protect is off
[ 288.512282] sd 5:0:0:0: [sdc] Mode Sense: 53 00 00 08
[ 288.513024] sd 5:0:0:0: [sdc] Write cache: enabled, read cache: enabled,
doesn't support DPO or FUA
[ 288.528924] sdc: sdc1
[ 288.532525] sd 5:0:0:0: [sdc] Attached SCSI disk
[ 289.152668] BTRFS: device fsid bf584dbe-6bf6-4847-8b32-cb0d22bead69 devid 1
transid 17693 /dev/sdc1
[ 289.439843] BTRFS info (device sdc1): disk space caching is enabled
[ 289.439853] BTRFS info (device sdc1): has skinny extents
[ 322.787805] ------------[ cut here ]------------
[ 322.787900] WARNING: CPU: 1 PID: 1833 at fs/btrfs/inode.c:945
.cow_file_range+0x4a4/0x500 [btrfs]
[ 322.787904] Modules linked in: uas usb_storage drbg ansi_cprng ctr ccm arc4
zd1211rw mac80211 cfg80211 snd_aoa_fabric_layout input_leds mac_hid
snd_aoa_codec_onyx snd_aoa snd_seq_midi rtc_generic snd_aoa_i2sbus
snd_seq_midi_event snd_rawmidi snd_seq snd_aoa_soundbus snd_seq_device snd_pcm
snd_timer rack_meter snd soundcore shpchp uio_pdrv_genirq uio parport_pc ppdev
lp parport autofs4 btrfs xor raid6_pq windfarm_cpufreq_clamp
windfarm_smu_sensors windfarm_smu_controls windfarm_pm112 windfarm_pid
hid_generic sil164 windfarm_max6690_sensor windfarm_lm75_sensor
windfarm_smu_sat windfarm_core firewire_ohci nouveau firewire_core ata_generic
crc_itu_t usbhid hid tg3 i2c_algo_bit ttm drm_kms_helper ptp drm pps_core
uninorth_agp
[ 322.788006] CPU: 1 PID: 1833 Comm: btrfs-transacti Not tainted
4.7.0-rc3-custom #1
[ 322.788010] task: c00000007c354080 ti: c00000007ba3c000 task.ti:
c00000007ba3c000
[ 322.788014] NIP: d000000001dc0594 LR: d000000001dc0aa4 CTR: d000000001dc0160
[ 322.788018] REGS: c00000007ba3ec70 TRAP: 0700 Not tainted
(4.7.0-rc3-custom)
[ 322.788020] MSR: 900000000202b032 <SF,HV,VEC,EE,FP,ME,IR,DR,RI> CR:
24442282 XER: 20000000
[ 322.788038] SOFTE: 1
GPR00: d000000001dc0aa4 c00000007ba3eef0 d000000001e983c0
c00000007d7c12b0
GPR04: f000000008f8e000 0000000000000000 000000000003ffff
c00000007ba3f318
GPR08: d000000001e983c0 0000000000000001 d000000001e954da
d000000001e60ea0
GPR12: d000000001dc0160 c00000000fdc0900 0000000000040000
c00000007d7c51c0
GPR16: c00000007ba3f318 c00000007d7c51c0 000000000003ffff
f000000008f8e000
GPR20: 0000000000000000 c00000007a444000 c00000007d7c12b0
c00000007d806000
GPR24: 0000000000040000 c00000007ba3f318 c00000007ba3f3d0
c00000007a444000
GPR28: 0000000000000000 c00000007d7c12b0 ffffffffffffffea
0000000000000001
[ 322.788141] NIP [d000000001dc0594] .cow_file_range+0x4a4/0x500 [btrfs]
[ 322.788191] LR [d000000001dc0aa4] .run_delalloc_nocow+0x4b4/0xb80 [btrfs]
[ 322.788194] Call Trace:
[ 322.788198] [c00000007ba3eef0] [ffffffffffffffff] 0xffffffffffffffff
(unreliable)
[ 322.788250] [c00000007ba3f010] [d000000001dc0aa4]
.run_delalloc_nocow+0x4b4/0xb80 [btrfs]
[ 322.788300] [c00000007ba3f170] [d000000001dc15d4]
.run_delalloc_range+0x464/0x480 [btrfs]
[ 322.788353] [c00000007ba3f2a0] [d000000001de06c4]
.writepage_delalloc.isra.10+0x1c4/0x230 [btrfs]
[ 322.788406] [c00000007ba3f360] [d000000001de2d10]
.__extent_writepage+0x100/0x430 [btrfs]
[ 322.788459] [c00000007ba3f430] [d000000001de3310]
.extent_write_cache_pages.isra.7.constprop.21+0x2d0/0x470 [btrfs]
[ 322.788512] [c00000007ba3f5b0] [d000000001de4c7c]
.extent_writepages+0x7c/0xb0 [btrfs]
[ 322.788562] [c00000007ba3f670] [d000000001dba410]
.btrfs_writepages+0x40/0x60 [btrfs]
[ 322.788571] [c00000007ba3f6f0] [c00000000026df3c] .do_writepages+0x5c/0xc0
[ 322.788578] [c00000007ba3f770] [c00000000025a4a8]
.__filemap_fdatawrite_range+0xf8/0x180
[ 322.788630] [c00000007ba3f860] [d000000001dd366c]
.btrfs_fdatawrite_range+0x3c/0xa0 [btrfs]
[ 322.788684] [c00000007ba3f8f0] [d000000001e10c60]
.__btrfs_write_out_cache.isra.10+0x4c0/0x530 [btrfs]
[ 322.788739] [c00000007ba3f9e0] [d000000001e11d90]
.btrfs_write_out_cache+0x100/0x1e0 [btrfs]
[ 322.788787] [c00000007ba3fa90] [d000000001da1058]
.btrfs_start_dirty_block_groups+0x318/0x570 [btrfs]
[ 322.788837] [c00000007ba3fba0] [d000000001db62f4]
.btrfs_commit_transaction+0x1d4/0xc10 [btrfs]
[ 322.788888] [c00000007ba3fc80] [d000000001db1ad4]
.transaction_kthread+0x284/0x2f0 [btrfs]
[ 322.788895] [c00000007ba3fd30] [c000000000106bdc] .kthread+0x10c/0x130
[ 322.788902] [c00000007ba3fe30] [c0000000000095ec]
.ret_from_kernel_thread+0x58/0x6c
[ 322.788905] Instruction dump:
[ 322.788910] 4bfd7b0d 60000000 39210079 e8810070 38c00001 e8a90000 7ea3ab78
4bfd8da1
[ 322.788924] 60000000 4bfffeac 39200001 992a0000 <0fe00000> 4bfffe9c e95d0040
4bfffe74
[ 322.788939] ---[ end trace bd392cbb9f74f106 ]---
[ 322.811700] BTRFS: Transaction aborted (error -17)
[ 322.811781] ------------[ cut here ]------------
[ 322.811868] WARNING: CPU: 1 PID: 1833 at fs/btrfs/extent-tree.c:2952
.btrfs_run_delayed_refs+0x384/0x3c0 [btrfs]
[ 322.811871] Modules linked in: uas usb_storage drbg ansi_cprng ctr ccm arc4
zd1211rw mac80211 cfg80211 snd_aoa_fabric_layout input_leds mac_hid
snd_aoa_codec_onyx snd_aoa snd_seq_midi rtc_generic snd_aoa_i2sbus
snd_seq_midi_event snd_rawmidi snd_seq snd_aoa_soundbus snd_seq_device snd_pcm
snd_timer rack_meter snd soundcore shpchp uio_pdrv_genirq uio parport_pc ppdev
lp parport autofs4 btrfs xor raid6_pq windfarm_cpufreq_clamp
windfarm_smu_sensors windfarm_smu_controls windfarm_pm112 windfarm_pid
hid_generic sil164 windfarm_max6690_sensor windfarm_lm75_sensor
windfarm_smu_sat windfarm_core firewire_ohci nouveau firewire_core ata_generic
crc_itu_t usbhid hid tg3 i2c_algo_bit ttm drm_kms_helper ptp drm pps_core
uninorth_agp
[ 322.811974] CPU: 1 PID: 1833 Comm: btrfs-transacti Tainted: G W
4.7.0-rc3-custom #1
[ 322.811979] task: c00000007c354080 ti: c00000007ba3c000 task.ti:
c00000007ba3c000
[ 322.811982] NIP: d000000001d9bcb4 LR: d000000001d9bcb0 CTR: c00000000018d2e0
[ 322.811986] REGS: c00000007ba3f730 TRAP: 0700 Tainted: G W
(4.7.0-rc3-custom)
[ 322.811989] MSR: 9000000000029032 <SF,HV,EE,ME,IR,DR,RI> CR: 28744442 XER:
20000000
[ 322.812004] SOFTE: 1
GPR00: d000000001d9bcb0 c00000007ba3f9b0 d000000001e983c0
0000000000000026
GPR04: c00000025de8ab20 c00000025de8f4c8 00000000000002cf
00000000000002cf
GPR08: 0000000000000007 c000000000faf0fc 000000025cedf000
0000000000000038
GPR12: c00000000018d2e0 c00000000fdc0900 c000000000106ad0
0000000000000001
GPR16: 0000000000000004 c00000007d8640f0 0000000000000000
0000000000000000
GPR20: 0000000000000001 0000000000000000 0000000000000000
c00000007d806090
GPR24: c00000007d864170 c00000007d864160 0000000000000000
c00000007d864000
GPR28: c00000007a444000 c00000007d806000 c00000007d806000
ffffffffffffffef
[ 322.812103] NIP [d000000001d9bcb4] .btrfs_run_delayed_refs+0x384/0x3c0
[btrfs]
[ 322.812150] LR [d000000001d9bcb0] .btrfs_run_delayed_refs+0x380/0x3c0 [btrfs]
[ 322.812153] Call Trace:
[ 322.812199] [c00000007ba3f9b0] [d000000001d9bcb0]
.btrfs_run_delayed_refs+0x380/0x3c0 [btrfs] (unreliable)
[ 322.812249] [c00000007ba3fa90] [d000000001da0f9c]
.btrfs_start_dirty_block_groups+0x25c/0x570 [btrfs]
[ 322.812299] [c00000007ba3fba0] [d000000001db62f4]
.btrfs_commit_transaction+0x1d4/0xc10 [btrfs]
[ 322.812349] [c00000007ba3fc80] [d000000001db1ad4]
.transaction_kthread+0x284/0x2f0 [btrfs]
[ 322.812357] [c00000007ba3fd30] [c000000000106bdc] .kthread+0x10c/0x130
[ 322.812364] [c00000007ba3fe30] [c0000000000095ec]
.ret_from_kernel_thread+0x58/0x6c
[ 322.812368] Instruction dump:
[ 322.812373] 7d4048a8 7d474378 7ce049ad 40a2fff4 7c0004ac 7949f7e3 40a2001c
3d420000
[ 322.812386] 7fe4fb78 e86a89c8 480c63c5 e8410028 <0fe00000> 3d220000 7fe7fb78
e8a989d0
[ 322.812401] ---[ end trace bd392cbb9f74f107 ]---
[ 322.812408] BTRFS: error (device sdc1) in btrfs_run_delayed_refs:2952:
errno=-17 Object already exists
[ 322.812414] BTRFS info (device sdc1): forced readonly
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https://bugs.launchpad.net/bugs/1592566
Title:
can't write to a BTRFS disk with my powermac
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