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Hi List!
First I'm sorry for my english! :(
I build a big system with nbd-2.7.4.
I have one big 8TB device:
4 PC shares 4x2TB (RAID5+NBD)
The client is get the 4x2TB and build a big
RAID0.
Next level is LVM2, and XFS...
When trying to write files to that volume, the
client hangs eventualy. ( 2-4 min )
The only message is in syslog:
Jul 15 23:36:43 dy-base kernel: ------------[ cut
here ]------------
Jul 15 23:36:43 dy-base kernel: kernel BUG at mm/highmem.c:193! Jul 15 23:36:43 dy-base kernel: invalid operand: 0000 [#1] Jul 15 23:36:43 dy-base kernel: PREEMPT SMP Jul 15 23:36:43 dy-base kernel: Modules linked in: Jul 15 23:36:43 dy-base kernel: CPU: 0 Jul 15 23:36:43 dy-base kernel: EIP: 0060:[<c0155b71>] Not tainted VLI Jul 15 23:36:43 dy-base kernel: EFLAGS: 00010246 (2.6.13-rc3-plus-NFS) Jul 15 23:36:43 dy-base kernel: EIP is at kunmap_high+0x91/0xa0 Jul 15 23:36:43 dy-base kernel: eax: 000000c4 ebx: 00000000 ecx: 00000000 edx: c072bb20 Jul 15 23:36:43 dy-base kernel: esi: 00001000 edi: 00000000 ebp: d3369500 esp: f6e19dc8 Jul 15 23:36:43 dy-base kernel: ds: 007b es: 007b ss: 0068 Jul 15 23:36:43 dy-base kernel: Process md4_raid1 (pid: 4173, threadinfo=f6e18000 task=f6e0f020) Jul 15 23:36:43 dy-base kernel: Stack: c17cb480 c6dd55e0 c03881de c17cb480 00000001 d2ea2000 00001000 00000000 Jul 15 23:36:43 dy-base kernel: f7c6d280 00000000 f72e3780 13956025 01000000 f2212d6c c0742604 d1000000 Jul 15 23:36:43 dy-base kernel: 00c00040 00400000 f7c73a54 c0742604 c0742618 f7c73a54 f7c73a54 c0388753 Jul 15 23:36:43 dy-base kernel: Call Trace: Jul 15 23:36:43 dy-base kernel: [<c03881de>] nbd_send_req+0x19e/0x290 Jul 15 23:36:43 dy-base kernel: [<c0388753>] do_nbd_request+0xf3/0x230 Jul 15 23:36:43 dy-base kernel: [<c0378881>] blk_remove_plug+0x41/0x80 Jul 15 23:36:43 dy-base kernel: [<c03788f6>] __generic_unplug_device+0x36/0x40 Jul 15 23:36:43 dy-base kernel: [<c0379fc6>] __make_request+0x206/0x570 Jul 15 23:36:43 dy-base kernel: [<c0126a85>] irq_exit+0x45/0x50 Jul 15 23:36:43 dy-base kernel: [<c037a736>] generic_make_request+0x156/0x230 Jul 15 23:36:43 dy-base kernel: [<c0137370>] autoremove_wake_function+0x0/0x60 Jul 15 23:36:43 dy-base kernel: [<c0137370>] autoremove_wake_function+0x0/0x60 Jul 15 23:36:43 dy-base kernel: [<c0126a85>] irq_exit+0x45/0x50 Jul 15 23:36:43 dy-base kernel: [<c01059ee>] do_IRQ+0x1e/0x30 Jul 15 23:36:43 dy-base kernel: [<c0103c2a>] common_interrupt+0x1a/0x20 Jul 15 23:36:43 dy-base kernel: [<c0462462>] raid1d+0x262/0x2a0 Jul 15 23:36:43 dy-base kernel: [<c0470919>] md_thread+0x159/0x1a0 Jul 15 23:36:43 dy-base kernel: [<c0137370>] autoremove_wake_function+0x0/0x60 Jul 15 23:36:43 dy-base kernel: [<c01030d2>] ret_from_fork+0x6/0x14 Jul 15 23:36:43 dy-base kernel: [<c0137370>] autoremove_wake_function+0x0/0x60 Jul 15 23:36:44 dy-base kernel: [<c04707c0>] md_thread+0x0/0x1a0 Jul 15 23:36:44 dy-base kernel: [<c0101205>] kernel_thread_helper+0x5/0x10 Jul 15 23:36:44 dy-base kernel: Code: 00 b9 01 00 00 00 ba 03 00 00 00 b8 98 2f 60 c0 e8 f5 73 fc ff eb d5 8d 76 00 31 db 81 3 d a0 2f 60 c0 a0 2f 60 c0 0f 95 c3 eb b3 <0f> 0b c1 00 da b0 57 c0 eb e5 90 8d 74 26 00 83 ec 18 89 5c 24 Jul 15 23:36:44 dy-base kernel: <6>note: md4_raid1[4173] exited with preempt_count 1 Is there somewhere a newer version?
Janos
(from Hungary)
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