I experimented this bug on one of my ssystem, with the same user case
heavy I/O over a fuse filesystem with rsync ( zfs here)
I'm going to try the backport kernel and if I can reproduce the bug with it.
[153767.320869] [ cut here ]
[153767.320899] kernel BUG at
/build/buildd-linux-2.6_2.6.32-45-amd64-FcX7RM/linux-2.6-2.6.32/debian/build/source_amd64_none/fs/inode.c:330!
[153767.320952] invalid opcode: [#1] SMP
[153767.320980] last sysfs file:
/sys/devices/pci:00/:00:1e.0/:01:03.0/class
[153767.321024] CPU 1
[153767.321045] Modules linked in: fuse loop button evdev joydev dcdbas
snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr power_meter
processor ext3 jbd mbcache btrfs zlib_deflate crc32c libcrc32c sg usbhid
hid usb_storage sr_mod sd_mod crc_t10dif cdrom ata_generic ata_piix
ehci_hcd thermal libata bnx2 scsi_mod thermal_sys usbcore nls_base [last
unloaded: scsi_wait_scan]
[153767.321263] Pid: 47, comm: kswapd0 Not tainted 2.6.32-5-amd64 #1
PowerEdge R310
[153767.321307] RIP: 0010:[811006c1] [811006c1]
clear_inode+0x1b/0xd0
[153767.321357] RSP: 0018:88013eb15c40 EFLAGS: 00010202
[153767.321383] RAX: RBX: 88003c141e00 RCX:
88013eb15ca0
[153767.321426] RDX: RSI: 880005235780 RDI:
88003c141e00
[153767.321469] RBP: R08: 88013eb15ac0 R09:
[153767.321513] R10: 0040 R11: 8800ad39ff58 R12:
dead00100100
[153767.321556] R13: 88013eb15ca0 R14: 88013c6cdcf8 R15:
88013eb15d14
[153767.321599] FS: () GS:88000522()
knlGS:
[153767.321644] CS: 0010 DS: 0018 ES: 0018 CR0: 8005003b
[153767.321671] CR2: 2b5b0d554000 CR3: 00013e4f6000 CR4:
06e0
[153767.321714] DR0: DR1: DR2:
[153767.321758] DR3: DR6: 0ff0 DR7:
0400
[153767.321801] Process kswapd0 (pid: 47, threadinfo 88013eb14000,
task 88013f0aaa60)
[153767.321846] Stack:
[153767.321865] 88003c141e00 81100e5c 880094aa4308
880094aa4300
[153767.321901] 0 880094aa4308 810fd759 88013c432a98
880094aa4300
[153767.321953] 0 88013c6cdc00 810fd9ee 88013eb15cc0
0008
[153767.322022] Call Trace:
[153767.322045] [81100e5c] ? generic_delete_inode+0xf4/0x168
[153767.322075] [810fd759] ? d_kill+0x40/0x61
[153767.322102] [810fd9ee] ? __shrink_dcache_sb+0x274/0x30b
[153767.322131] [810fdb66] ? shrink_dcache_memory+0xe1/0x173
[153767.322162] [810bf779] ? shrink_slab+0xe0/0x153
[153767.322189] [810c001c] ? kswapd+0x4d9/0x686
[153767.322216] [810bd693] ? isolate_pages_global+0x0/0x20f
[153767.322246] [81065042] ? autoremove_wake_function+0x0/0x2e
[153767.322275] [810bfb43] ? kswapd+0x0/0x686
[153767.322301] [81064d75] ? kthread+0x79/0x81
[153767.322330] [81011baa] ? child_rip+0xa/0x20
[153767.322356] [81064cfc] ? kthread+0x0/0x81
[153767.322383] [81011ba0] ? child_rip+0x0/0x20
[153767.322408] Code: 03 35 2c ff 3f 00 45 31 c0 41 5d e9 21 ff ff ff 53
48 89 fb e8 28 b5 1f 00 48 89 df e8 f1 cb 00 00 48 83 bb 68 01 00 00 00
74 04 0f 0b eb fe 48 8b 83 18 02 00 00 a8 20 75 04 0f 0b eb fe a8 40
[153767.322617] RIP [811006c1] clear_inode+0x1b/0xd0
[153767.322646] RSP 88013eb15c40
[153767.323009] ---[ end trace b2f5c838271bf17e ]---
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