Asynchronous Block-Level Storage Replication
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Thomas Schoebel-Theuer f24ea2752f limiter: fix divide by zero
Feb 10 04:41:59 t1 kernel: divide error: 0000 [#1] SMP KASAN NOPTI
Feb 10 04:41:59 t1 kernel: CPU: 5 PID: 13507 Comm: mars_copy7 Not tainted 5.4.86+ #237
Feb 10 04:41:59 t1 kernel: Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba527-rebuilt.opensuse.org 04/01/2014
Feb 10 04:41:59 t1 kernel: RIP: 0010:mars_limit+0x533/0x6bb [mars]
Feb 10 04:41:59 t1 kernel: Code: 15 48 63 95 e4 fe ff ff 48 ff c0 49 89 47 48 49 01 d5 4d 89 6f 50 49 69 47 50 00 ca 9a 3b 49 8d 7f 20 41 bd ff ff ff 7f 48 99 <49> f7 fc 48 3d ff ff ff 7f 4c 0f 4e e8 48 89 f8 48 c1 e8 03 8a 04
Feb 10 04:41:59 t1 kernel: RSP: 0018:ffff888033b87a58 EFLAGS: 00010212
Feb 10 04:41:59 t1 kernel: RAX: 00001a5e39dc8000 RBX: dffffc0000000000 RCX: 0000000000000017
Feb 10 04:41:59 t1 kernel: RDX: 0000000000000000 RSI: 0000000225c17d03 RDI: ffffffffa03bdce0
Feb 10 04:41:59 t1 kernel: RBP: ffff888033b87b98 R08: fffffbfff073f9ce R09: 0000000000000001
Feb 10 04:41:59 t1 kernel: R10: 0000000000000000 R11: ffffffff839fce6b R12: 0000000000000000
Feb 10 04:41:59 t1 kernel: R13: 000000007fffffff R14: 0000000025e89700 R15: ffffffffa03bdcc0
Feb 10 04:41:59 t1 kernel: FS:  0000000000000000(0000) GS:ffff88818b940000(0000) knlGS:0000000000000000
Feb 10 04:41:59 t1 kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 10 04:41:59 t1 kernel: CR2: 00005651d25b7b98 CR3: 0000000171668000 CR4: 0000000000340ee0
Feb 10 04:41:59 t1 kernel: Call Trace:
Feb 10 04:41:59 t1 kernel:  ? ranking_compute+0x1a8/0x1a8 [mars]
Feb 10 04:41:59 t1 kernel:  ? _brick_block_alloc+0x2ff/0x590 [mars]
Feb 10 04:41:59 t1 kernel:  ? __brick_block_alloc+0x8a/0x8a [mars]
Feb 10 04:41:59 t1 kernel:  ? kasan_unpoison_shadow+0xf/0x2e
Feb 10 04:41:59 t1 kernel:  ? _new_aspect+0x464/0x4ab [mars]
Feb 10 04:41:59 t1 kernel:  mars_limit_sleep+0xa/0x57 [mars]
Feb 10 04:41:59 t1 kernel:  bio_ref_get+0x762/0xc4c [mars]
Feb 10 04:41:59 t1 kernel:  _make_mref+0x48c/0x73e [mars]
Feb 10 04:41:59 t1 kernel:  _next_state+0x3f6/0xc4b [mars]
Feb 10 04:41:59 t1 kernel:  _run_copy+0x2cc/0x6f7 [mars]
Feb 10 04:41:59 t1 kernel:  _copy_thread+0x3dd/0x84c [mars]
Feb 10 04:41:59 t1 kernel:  ? _run_copy+0x6f7/0x6f7 [mars]
Feb 10 04:41:59 t1 kernel:  ? lock_downgrade+0x55b/0x55b
Feb 10 04:41:59 t1 kernel:  ? do_raw_spin_lock+0x144/0x1ef
Feb 10 04:41:59 t1 kernel:  ? atomic_add_return.constprop.2+0x1e/0x1e
Feb 10 04:41:59 t1 kernel:  ? add_wait_queue+0x85/0x85
Feb 10 04:41:59 t1 kernel:  ? lockdep_hardirqs_on+0x433/0x482
Feb 10 04:41:59 t1 kernel:  ? test_bit+0x1d/0x27
Feb 10 04:41:59 t1 kernel:  kthread+0x2be/0x2cd
Feb 10 04:41:59 t1 kernel:  ? _run_copy+0x6f7/0x6f7 [mars]
Feb 10 04:41:59 t1 kernel:  ? kthread_worker_fn+0x3ef/0x3ef
Feb 10 04:41:59 t1 kernel:  ret_from_fork+0x27/0x50
Feb 10 04:41:59 t1 kernel: Modules linked in: mars cls_u32 sch_netem sch_tbf sch_prio xt_mark lz4_compress lz4_decompress virtio_console crct10dif_pclmul virtio_balloon crc32_pclmul usbhid virtio_net net_failover failover virtio_blk xhci_pci xhci_hcd crc32c_intel usbcore virtio_pci virtio_ring usb_common virtio [last unloaded: mars]
Feb 10 04:41:59 t1 kernel: ---[ end trace e009385d7938b1c4 ]---
2021-02-10 13:31:55 +01:00
contrib all: globally s/mars-manual.pdf/mars-user-manual.pdf/ 2019-11-05 21:43:45 +01:00
debian add fs.aio-max-nr into sysctl.d 2020-11-27 18:52:48 +00:00
docu doc: checkout new pdf 2021-01-06 21:10:02 +01:00
football@152f499fbd football: update to Football-2.0 2019-07-10 11:27:37 +02:00
kernel limiter: fix divide by zero 2021-02-10 13:31:55 +01:00
pre-patches all: update pre-patches for aio_max_nr self-tuning 2020-01-31 08:07:35 +01:00
scripts infra: fix transitive option propagation in gen_config.pl 2014-08-07 15:26:02 +02:00
systemd-icpu systemd: specific units for icpu 2021-01-06 17:06:53 +01:00
systemd-testing systemd: updated demo templates 2021-01-06 17:06:53 +01:00
test_suite all: distinguish contrib from maintained code 2014-06-18 12:10:54 +02:00
userspace marsadm: first try /usr/bin/getent before DNS lookup 2021-02-06 15:22:24 +01:00
.gitattributes
.gitignore
.gitmodules all: add subproject football 2018-04-20 12:45:12 +02:00
AUTHORS all: clarify license GPLv2+ 2014-11-25 18:09:17 +01:00
ChangeLog all: release mars0.1astable122 2021-02-06 15:22:24 +01:00
COPYING
INSTALL all: globally s/mars-manual.pdf/mars-user-manual.pdf/ 2019-11-05 21:43:45 +01:00
NEWS
README all: clarify license GPLv2+ 2014-11-25 18:09:17 +01:00

MARS Long Distance Replication Software

See http://schoebel.github.io/mars/

Very detailed documentation / motivation / use cases can be found there.
Please look into the docu/ subdirectory.

License: GPLv2+ (see file COPYING)
Documentation is under FDL.

This is intended for the whole project, and is valid for all parts
from the original author as well as parts from 1&1.

Any further contributors to contrib/ subdirectory are strongly encouraged
to put their files also under GPL or FDL, or at least a compatible
license (see newest descriptions at fsf.org).