- 11 Oct, 2018 3 commits
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Kirill Smelkov authored
We were checking for `loading.err != nil` as the indication for success and it should have been `err == nil`. The symphoms of the bug were that \0 instead of data were read sometimes: wcfs: 2018/10/11 19:18:12 < 22: i7.READ {Fh 0 [2097152 +131072) L 0 RDONLY,0x8000} <-- NOTE I1011 19:18:12.556125 6330 wcfs.go:538] readBlk #1 dest[0:+2097152] I1011 19:18:12.556361 6330 wcfs.go:538] readBlk #1 dest[0:+2097152] wcfs: 2018/10/11 19:18:12 ZBlk0.PySetState #11 wcfs: 2018/10/11 19:18:12 ZBigFile.loadblk(1) -> 2097152B wcfs: 2018/10/11 19:18:12 > 22: OK, 131072B data "\x00\x00\x00\x00\x00\x00\x00\x00"... <-- XXX not "hello world" wcfs: 2018/10/11 19:18:12 < 24: i7.READ {Fh 0 [2359296 +131072) L 0 RDONLY,0x8000} wcfs: 2018/10/11 19:18:12 > 23: OK, 131072B data "\x00\x00\x00\x00\x00\x00\x00\x00"... wcfs: 2018/10/11 19:18:12 > 0: NOTIFY_STORE_CACHE, {i7 [2097152 +2097152)} 2097152B data "hello wo"... <-- NOTE
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Kirill Smelkov authored
Else: wcfs: 2018/10/10 17:52:15 < 40: i7.READ {Fh 0 [4063232 +131072) L 0 RDONLY,0x8000} wcfs: 2018/10/10 17:52:15 > 39: OK, 131072B data wcfs: 2018/10/10 17:52:15 > 40: OK, 131072B data wcfs: 2018/10/10 17:52:15 < 41: i7.GETATTR {Fh 0} wcfs: 2018/10/10 17:52:15 Response: INODE_NOTIFY_STORE_CACHE: OK wcfs: 2018/10/10 17:52:15 > 41: OK, {tA=1s {M0100444 SZ=4194304 L=1 1000:1000 B0*0 i0:7 A 0.000000 M 1539183135.261177 C 1539183135.261177}} # XXX vvv why we store 2M after read @4M even though read gives len=0 ? wcfs: 2018/10/10 17:52:15 > 0: NOTIFY_STORE_CACHE, {i7 [4194304 +2097152)} 2097152B data wcfs: 2018/10/10 17:52:15 < 42: i7.READ {Fh 0 [4194304 +4096) L 0 RDONLY,0x8000} wcfs: 2018/10/10 17:52:15 > 42: OK, wcfs: 2018/10/10 17:52:15 < 43: i7.GETATTR {Fh 0} wcfs: 2018/10/10 17:52:15 > 43: OK, {tA=1s {M0100444 SZ=4194304 L=1 1000:1000 B0*0 i0:7 A 0.000000 M 1539183135.261177 C 1539183135.261177}} wcfs: 2018/10/10 17:52:15 Response: INODE_NOTIFY_STORE_CACHE: OK wcfs: 2018/10/10 17:52:15 < 44: i7.READ {Fh 0 [4198400 +4096) L 0 RDONLY,0x8000} wcfs: 2018/10/10 17:52:15 > 44: OK, data = readfile(fpath + "/head/data") > assert len(data) == fsize E AssertionError: assert 4198400 == 4194304
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Kirill Smelkov authored
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- 10 Oct, 2018 2 commits
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Kirill Smelkov authored
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Kirill Smelkov authored
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- 09 Oct, 2018 6 commits
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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- 08 Oct, 2018 4 commits
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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- 07 Oct, 2018 4 commits
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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- 05 Oct, 2018 5 commits
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
Got: [21871.340400] INFO: task wcfs:27933 blocked for more than 120 seconds. [21871.340414] Not tainted 4.18.0-1-amd64 #1 Debian 4.18.6-1 [21871.340420] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [21871.340427] wcfs D 0 27933 27889 0x00000004 [21871.340440] Call Trace: [21871.340463] ? __schedule+0x2b7/0x880 [21871.340476] schedule+0x28/0x80 [21871.340490] io_schedule+0x12/0x40 [21871.340506] __lock_page+0x115/0x160 [21871.340521] ? page_cache_tree_insert+0xe0/0xe0 [21871.340535] pagecache_get_page+0x185/0x2a0 [21871.340549] ? ilookup5+0x45/0x90 [21871.340572] fuse_dev_do_write+0x3c8/0xee0 [fuse] [21871.340587] ? futex_wait_queue_me+0xd3/0x120 [21871.340604] fuse_dev_write+0x4e/0x80 [fuse] [21871.340622] do_iter_readv_writev+0x145/0x1a0 [21871.340632] do_iter_write+0x80/0x190 [21871.340642] vfs_writev+0x98/0x110 [21871.340657] ? new_sync_write+0x104/0x160 [21871.340668] ? do_writev+0x5e/0xf0 [21871.340676] do_writev+0x5e/0xf0 [21871.340685] ? ksys_write+0x76/0xc0 [21871.340699] do_syscall_64+0x55/0x110 [21871.340714] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [21871.340725] RIP: 0033:0x478b70 [21871.340730] Code: Bad RIP value. [21871.340752] RSP: 002b:000000c000149938 EFLAGS: 00000216 ORIG_RAX: 0000000000000014 [21871.340763] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000478b70 [21871.340770] RDX: 0000000000000002 RSI: 000000c00009e020 RDI: 0000000000000008 [21871.340777] RBP: 000000c000149988 R08: 0000000000000000 R09: 0000000000000000 [21871.340784] R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000004 [21871.340790] R13: 0000000000000055 R14: 000000000068877a R15: 0000000000000038
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- 02 Oct, 2018 7 commits
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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- 01 Oct, 2018 6 commits
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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- 30 Sep, 2018 3 commits
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Kirill Smelkov authored
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Kirill Smelkov authored
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Kirill Smelkov authored
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