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lvchange segfault after cache policy mq->cleaner->mq
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| core:~/t/lvm2 git:master ❯❯❯ time sudo -E gdb ./zxcv/usr/bin/lvchange | |
| GNU gdb (GDB) 7.9 | |
| Copyright (C) 2015 Free Software Foundation, Inc. | |
| License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> | |
| This is free software: you are free to change and redistribute it. | |
| There is NO WARRANTY, to the extent permitted by law. Type "show copying" | |
| and "show warranty" for details. | |
| This GDB was configured as "x86_64-unknown-linux-gnu". | |
| Type "show configuration" for configuration details. | |
| For bug reporting instructions, please see: | |
| <http://www.gnu.org/software/gdb/bugs/>. | |
| Find the GDB manual and other documentation resources online at: | |
| <http://www.gnu.org/software/gdb/documentation/>. | |
| For help, type "help". | |
| Type "apropos word" to search for commands related to "word"... | |
| Reading symbols from ./zxcv/usr/bin/lvchange...done. | |
| (gdb) r --cachepolicy mq vg0/home | |
| Starting program: /home/nitro/tmp/lvm2/zxcv/usr/bin/lvchange --cachepolicy mq vg0/home | |
| [Thread debugging using libthread_db enabled] | |
| Using host libthread_db library "/usr/lib/libthread_db.so.1". | |
| Program received signal SIGSEGV, Segmentation fault. | |
| 0x00007ffff756c8ef in _clone_config_value (mem=0x5555559543a0, v=0x0) at libdm-config.c:1261 | |
| 1261 new_cv->type = v->type; | |
| (gdb) where | |
| #0 0x00007ffff756c8ef in _clone_config_value (mem=0x5555559543a0, v=0x0) at libdm-config.c:1261 | |
| #1 0x00007ffff756cfde in _override_path (path=0x555555954330 "/policy_settings", node=0x555555983e18, baton=0x555555997420) at libdm-config.c:1343 | |
| #2 0x00007ffff756d1e3 in _enumerate (path=0x7ffff7580d2a "", cn=0x555555983e18, cb=0x7ffff756cf08 <_override_path>, baton=0x555555997420) at libdm-config.c:1360 | |
| #3 0x00007ffff756d36b in dm_config_flatten (cft=0x55555594ae60) at libdm-config.c:1382 | |
| #4 0x00005555555f5bfc in lv_cache_setpolicy (lv=0x5555559830b0, policy=0x55555597a6d0) at metadata/cache_manip.c:417 | |
| #5 0x000055555557bb62 in _lvchange_cachepolicy (cmd=0x555555900000, lv=0x5555559830b0) at lvchange.c:685 | |
| #6 0x000055555557d736 in _lvchange_single (cmd=0x555555900000, lv=0x5555559830b0, handle=0x555555940558) at lvchange.c:1102 | |
| #7 0x00005555555aa61f in process_each_lv_in_vg (cmd=0x555555900000, vg=0x555555982b80, arg_lvnames=0x7fffffffdbd0, tags_in=0x7fffffffdcc0, stop_on_error=0, | |
| handle=0x555555940558, process_single_lv=0x55555557c836 <_lvchange_single>) at toollib.c:2072 | |
| #8 0x00005555555aaec0 in _process_lv_vgnameid_list (cmd=0x555555900000, flags=1048576, vgnameids_to_process=0x7fffffffdc80, arg_vgnames=0x7fffffffdcb0, | |
| arg_lvnames=0x7fffffffdca0, arg_tags=0x7fffffffdcc0, handle=0x555555940558, process_single_lv=0x55555557c836 <_lvchange_single>) at toollib.c:2280 | |
| #9 0x00005555555ab27b in process_each_lv (cmd=0x555555900000, argc=1, argv=0x7fffffffdee0, flags=1048576, handle=0x555555940558, | |
| process_single_lv=0x55555557c836 <_lvchange_single>) at toollib.c:2356 | |
| #10 0x000055555557e136 in lvchange (cmd=0x555555900000, argc=1, argv=0x7fffffffdee0) at lvchange.c:1260 | |
| #11 0x0000555555597bca in lvm_run_command (cmd=0x555555900000, argc=1, argv=0x7fffffffdee0) at lvmcmdline.c:1521 | |
| #12 0x000055555559921e in lvm2_main (argc=4, argv=0x7fffffffdec8) at lvmcmdline.c:1985 | |
| #13 0x00005555555b6cc0 in main (argc=4, argv=0x7fffffffdec8) at lvm.c:21 | |
| (gdb) frame 1 | |
| #1 0x00007ffff756cfde in _override_path (path=0x555555954330 "/policy_settings", node=0x555555983e18, baton=0x555555997420) at libdm-config.c:1343 | |
| 1343 if (!(target->v = _clone_config_value(cft->mem, node->v))) | |
| (gdb) |
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| # Generated by LVM2 version 2.02.116(2) (2015-01-30): Sat May 2 16:58:24 2015 | |
| contents = "Text Format Volume Group" | |
| version = 1 | |
| description = "Created *after* executing 'lvchange --cachepolicy cleaner vg0/home'" | |
| creation_host = "core.hq" # Linux core.hq 4.0.1-1-ARCH #1 SMP PREEMPT Wed Apr 29 12:00:26 CEST 2015 x86_64 | |
| creation_time = 1430611104 # Sat May 2 16:58:24 2015 | |
| vg0 { | |
| id = "9IhQDa-rGw2-kwQZ-z1iu-DekC-rHdA-aB5clm" | |
| seqno = 85 | |
| format = "lvm2" # informational | |
| status = ["RESIZEABLE", "READ", "WRITE"] | |
| flags = [] | |
| extent_size = 65536 # 32 Megabytes | |
| max_lv = 0 | |
| max_pv = 0 | |
| metadata_copies = 0 | |
| physical_volumes { | |
| pv0 { | |
| id = "Iz9uln-DdxA-MbzE-HGS9-ffB9-mcWe-G6pk2c" | |
| device = "/dev/sda1" # Hint only | |
| status = ["ALLOCATABLE"] | |
| flags = [] | |
| tags = ["spindle", "hdd"] | |
| dev_size = 7773075456 # 3.61962 Terabytes | |
| pe_start = 2048 | |
| pe_count = 118607 # 3.6196 Terabytes | |
| } | |
| pv1 { | |
| id = "iOunVl-LmmO-GeSJ-6toZ-dWPe-8eGe-emaBAf" | |
| device = "/dev/sdf3" # Hint only | |
| status = ["ALLOCATABLE"] | |
| flags = [] | |
| tags = ["ssd"] | |
| dev_size = 195318270 # 93.135 Gigabytes | |
| pe_start = 2048 | |
| pe_count = 2980 # 93.125 Gigabytes | |
| } | |
| } | |
| logical_volumes { | |
| home { | |
| id = "iuqdZ3-AO3R-qCfl-Gh3U-nK9V-kiSK-QWgZk6" | |
| status = ["READ", "WRITE", "VISIBLE"] | |
| flags = [] | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 85568 # 2.61133 Terabytes | |
| type = "cache" | |
| cache_pool = "cache0" | |
| origin = "home_corig" | |
| } | |
| } | |
| swap { | |
| id = "Mfbb0O-Olbx-Yfd2-yrKC-TPrI-D0nw-dSv6di" | |
| status = ["READ", "WRITE", "VISIBLE"] | |
| flags = [] | |
| creation_host = "core" | |
| creation_time = 1398141985 # 2014-04-21 21:46:25 -0700 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 128 # 4 Gigabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv1", 0 | |
| ] | |
| } | |
| } | |
| cache0 { | |
| id = "2op44D-OhPr-4m29-9xZG-s4oM-Gwjx-VnDfki" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365638 # 2014-12-11 22:27:18 -0800 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 2848 # 89 Gigabytes | |
| type = "cache-pool" | |
| data = "cache0_cdata" | |
| metadata = "cache0_cmeta" | |
| chunk_size = 128 | |
| cache_mode = "writethrough" | |
| policy = "cleaner" | |
| policy_settings { | |
| } | |
| } | |
| } | |
| cache0_cmeta { | |
| id = "IDic5B-wm1z-LH5s-7iwY-hyju-M9G0-MdjsZS" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365577 # 2014-12-11 22:26:17 -0800 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 4 # 128 Megabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv1", 128 | |
| ] | |
| } | |
| } | |
| cache0_cdata { | |
| id = "zmCssw-QA9W-GrXg-0hl7-GtWG-3hxZ-IXZhzj" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365592 # 2014-12-11 22:26:32 -0800 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 2848 # 89 Gigabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv1", 132 | |
| ] | |
| } | |
| } | |
| lvol0_pmspare { | |
| id = "ExXcM9-EKJI-oZJk-AzAj-6SJn-2dhT-FE0KUK" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365638 # 2014-12-11 22:27:18 -0800 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 4 # 128 Megabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv0", 53568 | |
| ] | |
| } | |
| } | |
| home_corig { | |
| id = "UVclcS-lN4A-yP00-CqkK-NPsN-kVNP-ymyFoB" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365729 # 2014-12-11 22:28:49 -0800 | |
| segment_count = 2 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 37568 # 1.14648 Terabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv0", 16000 | |
| ] | |
| } | |
| segment2 { | |
| start_extent = 37568 | |
| extent_count = 48000 # 1.46484 Terabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv0", 55488 | |
| ] | |
| } | |
| } | |
| } | |
| } |
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| # Generated by LVM2 version 2.02.116(2) (2015-01-30): Sat May 2 16:58:20 2015 | |
| contents = "Text Format Volume Group" | |
| version = 1 | |
| description = "Created *before* executing 'lvchange --cachepolicy cleaner vg0/home'" | |
| creation_host = "core.hq" # Linux core.hq 4.0.1-1-ARCH #1 SMP PREEMPT Wed Apr 29 12:00:26 CEST 2015 x86_64 | |
| creation_time = 1430611100 # Sat May 2 16:58:20 2015 | |
| vg0 { | |
| id = "9IhQDa-rGw2-kwQZ-z1iu-DekC-rHdA-aB5clm" | |
| seqno = 84 | |
| format = "lvm2" # informational | |
| status = ["RESIZEABLE", "READ", "WRITE"] | |
| flags = [] | |
| extent_size = 65536 # 32 Megabytes | |
| max_lv = 0 | |
| max_pv = 0 | |
| metadata_copies = 0 | |
| physical_volumes { | |
| pv0 { | |
| id = "Iz9uln-DdxA-MbzE-HGS9-ffB9-mcWe-G6pk2c" | |
| device = "/dev/sda1" # Hint only | |
| status = ["ALLOCATABLE"] | |
| flags = [] | |
| tags = ["spindle", "hdd"] | |
| dev_size = 7773075456 # 3.61962 Terabytes | |
| pe_start = 2048 | |
| pe_count = 118607 # 3.6196 Terabytes | |
| } | |
| pv1 { | |
| id = "iOunVl-LmmO-GeSJ-6toZ-dWPe-8eGe-emaBAf" | |
| device = "/dev/sdf3" # Hint only | |
| status = ["ALLOCATABLE"] | |
| flags = [] | |
| tags = ["ssd"] | |
| dev_size = 195318270 # 93.135 Gigabytes | |
| pe_start = 2048 | |
| pe_count = 2980 # 93.125 Gigabytes | |
| } | |
| } | |
| logical_volumes { | |
| home { | |
| id = "iuqdZ3-AO3R-qCfl-Gh3U-nK9V-kiSK-QWgZk6" | |
| status = ["READ", "WRITE", "VISIBLE"] | |
| flags = [] | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 85568 # 2.61133 Terabytes | |
| type = "cache" | |
| cache_pool = "cache0" | |
| origin = "home_corig" | |
| } | |
| } | |
| swap { | |
| id = "Mfbb0O-Olbx-Yfd2-yrKC-TPrI-D0nw-dSv6di" | |
| status = ["READ", "WRITE", "VISIBLE"] | |
| flags = [] | |
| creation_host = "core" | |
| creation_time = 1398141985 # 2014-04-21 21:46:25 -0700 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 128 # 4 Gigabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv1", 0 | |
| ] | |
| } | |
| } | |
| cache0 { | |
| id = "2op44D-OhPr-4m29-9xZG-s4oM-Gwjx-VnDfki" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365638 # 2014-12-11 22:27:18 -0800 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 2848 # 89 Gigabytes | |
| type = "cache-pool" | |
| data = "cache0_cdata" | |
| metadata = "cache0_cmeta" | |
| chunk_size = 128 | |
| cache_mode = "writethrough" | |
| policy = "mq" | |
| } | |
| } | |
| cache0_cmeta { | |
| id = "IDic5B-wm1z-LH5s-7iwY-hyju-M9G0-MdjsZS" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365577 # 2014-12-11 22:26:17 -0800 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 4 # 128 Megabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv1", 128 | |
| ] | |
| } | |
| } | |
| cache0_cdata { | |
| id = "zmCssw-QA9W-GrXg-0hl7-GtWG-3hxZ-IXZhzj" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365592 # 2014-12-11 22:26:32 -0800 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 2848 # 89 Gigabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv1", 132 | |
| ] | |
| } | |
| } | |
| lvol0_pmspare { | |
| id = "ExXcM9-EKJI-oZJk-AzAj-6SJn-2dhT-FE0KUK" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365638 # 2014-12-11 22:27:18 -0800 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 4 # 128 Megabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv0", 53568 | |
| ] | |
| } | |
| } | |
| home_corig { | |
| id = "UVclcS-lN4A-yP00-CqkK-NPsN-kVNP-ymyFoB" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365729 # 2014-12-11 22:28:49 -0800 | |
| segment_count = 2 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 37568 # 1.14648 Terabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv0", 16000 | |
| ] | |
| } | |
| segment2 { | |
| start_extent = 37568 | |
| extent_count = 48000 # 1.46484 Terabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv0", 55488 | |
| ] | |
| } | |
| } | |
| } | |
| } |
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| # Generated by LVM2 version 2.02.116(2) (2015-01-30): Sat May 2 16:59:26 2015 | |
| contents = "Text Format Volume Group" | |
| version = 1 | |
| description = "Created *before* executing 'lvchange --cachepolicy mq vg0/home'" | |
| creation_host = "core.hq" # Linux core.hq 4.0.1-1-ARCH #1 SMP PREEMPT Wed Apr 29 12:00:26 CEST 2015 x86_64 | |
| creation_time = 1430611166 # Sat May 2 16:59:26 2015 | |
| vg0 { | |
| id = "9IhQDa-rGw2-kwQZ-z1iu-DekC-rHdA-aB5clm" | |
| seqno = 85 | |
| format = "lvm2" # informational | |
| status = ["RESIZEABLE", "READ", "WRITE"] | |
| flags = [] | |
| extent_size = 65536 # 32 Megabytes | |
| max_lv = 0 | |
| max_pv = 0 | |
| metadata_copies = 0 | |
| physical_volumes { | |
| pv0 { | |
| id = "Iz9uln-DdxA-MbzE-HGS9-ffB9-mcWe-G6pk2c" | |
| device = "/dev/sda1" # Hint only | |
| status = ["ALLOCATABLE"] | |
| flags = [] | |
| tags = ["spindle", "hdd"] | |
| dev_size = 7773075456 # 3.61962 Terabytes | |
| pe_start = 2048 | |
| pe_count = 118607 # 3.6196 Terabytes | |
| } | |
| pv1 { | |
| id = "iOunVl-LmmO-GeSJ-6toZ-dWPe-8eGe-emaBAf" | |
| device = "/dev/sdf3" # Hint only | |
| status = ["ALLOCATABLE"] | |
| flags = [] | |
| tags = ["ssd"] | |
| dev_size = 195318270 # 93.135 Gigabytes | |
| pe_start = 2048 | |
| pe_count = 2980 # 93.125 Gigabytes | |
| } | |
| } | |
| logical_volumes { | |
| home { | |
| id = "iuqdZ3-AO3R-qCfl-Gh3U-nK9V-kiSK-QWgZk6" | |
| status = ["READ", "WRITE", "VISIBLE"] | |
| flags = [] | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 85568 # 2.61133 Terabytes | |
| type = "cache" | |
| cache_pool = "cache0" | |
| origin = "home_corig" | |
| } | |
| } | |
| swap { | |
| id = "Mfbb0O-Olbx-Yfd2-yrKC-TPrI-D0nw-dSv6di" | |
| status = ["READ", "WRITE", "VISIBLE"] | |
| flags = [] | |
| creation_host = "core" | |
| creation_time = 1398141985 # 2014-04-21 21:46:25 -0700 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 128 # 4 Gigabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv1", 0 | |
| ] | |
| } | |
| } | |
| cache0 { | |
| id = "2op44D-OhPr-4m29-9xZG-s4oM-Gwjx-VnDfki" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365638 # 2014-12-11 22:27:18 -0800 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 2848 # 89 Gigabytes | |
| type = "cache-pool" | |
| data = "cache0_cdata" | |
| metadata = "cache0_cmeta" | |
| chunk_size = 128 | |
| cache_mode = "writethrough" | |
| policy = "cleaner" | |
| policy_settings { | |
| } | |
| } | |
| } | |
| cache0_cmeta { | |
| id = "IDic5B-wm1z-LH5s-7iwY-hyju-M9G0-MdjsZS" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365577 # 2014-12-11 22:26:17 -0800 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 4 # 128 Megabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv1", 128 | |
| ] | |
| } | |
| } | |
| cache0_cdata { | |
| id = "zmCssw-QA9W-GrXg-0hl7-GtWG-3hxZ-IXZhzj" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365592 # 2014-12-11 22:26:32 -0800 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 2848 # 89 Gigabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv1", 132 | |
| ] | |
| } | |
| } | |
| lvol0_pmspare { | |
| id = "ExXcM9-EKJI-oZJk-AzAj-6SJn-2dhT-FE0KUK" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365638 # 2014-12-11 22:27:18 -0800 | |
| segment_count = 1 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 4 # 128 Megabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv0", 53568 | |
| ] | |
| } | |
| } | |
| home_corig { | |
| id = "UVclcS-lN4A-yP00-CqkK-NPsN-kVNP-ymyFoB" | |
| status = ["READ", "WRITE"] | |
| flags = [] | |
| creation_host = "core.hq" | |
| creation_time = 1418365729 # 2014-12-11 22:28:49 -0800 | |
| segment_count = 2 | |
| segment1 { | |
| start_extent = 0 | |
| extent_count = 37568 # 1.14648 Terabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv0", 16000 | |
| ] | |
| } | |
| segment2 { | |
| start_extent = 37568 | |
| extent_count = 48000 # 1.46484 Terabytes | |
| type = "striped" | |
| stripe_count = 1 # linear | |
| stripes = [ | |
| "pv0", 55488 | |
| ] | |
| } | |
| } | |
| } | |
| } |
core:~ ❯❯❯ sudo lvs -o +cache_policy,cache_settings vg0/home
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert Cache Policy Cache Settings
home vg0 Cwi-aoC--- 2.61t [cache0] [home_corig] 100.00 13.25 0.00 cleaner
Hi,
just for future reference:
I just run into the same problem on Debian Jessie and could solve it by booting a recent version of arch linux (April 2016) and issuing the lvchange command there. Afterwards my system was able to boot.
Best,
Andreas
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