* [2.6.34-rc5] bad page state copying to/from HFS+ filesystem...
@ 2010-04-25 21:14 Daniel J Blueman
0 siblings, 0 replies; only message in thread
From: Daniel J Blueman @ 2010-04-25 21:14 UTC (permalink / raw)
To: Linux Kernel, linux-fsdevel
When copying data from a HFS+ filesystem to a freshly-created one, I
experienced page state corruption [1]. I don't have access to the
filesystem anymore, but can run some other filesystem tests if anyone
is interested.
Kernel is mainline 2.6.34-rc5 on x86-64.
Thanks,
Daniel
--- [1]
hfs: backup: 0,1953523120,244190389,3072
hfs: backup: 0,1953523120,244190389,3072
hfs: backup: 0,1953523120,244190389,3072
hfs: backup: 0,1953523120,244190389,3072
hfs: backup: 0,1953523120,244190389,3072
BUG: Bad page state in process cp pfn:37654
page:ffffea0000c1e260 count:0 mapcount:0 mapping:(null) index:0x0
page flags: 0x100000000000004(referenced)
Pid: 3163, comm: cp Not tainted 2.6.34-020634rc5-generic #020634rc5
Call Trace:
[<ffffffff810f6654>] ? dump_page+0x44/0x60
[<ffffffff810f66ff>] bad_page+0x8f/0x110
[<ffffffff8113a074>] ? try_get_mem_cgroup_from_mm+0x24/0x80
[<ffffffff810f68b3>] prep_new_page+0x133/0x150
[<ffffffff810f81a5>] get_page_from_freelist+0x1d5/0x460
[<ffffffff810f8a4a>] __alloc_pages_nodemask+0xda/0x180
[<ffffffff81127a9c>] alloc_pages_current+0x8c/0xd0
[<ffffffff810f12bd>] __page_cache_alloc+0x6d/0x80
[<ffffffff810f2edc>] grab_cache_page_write_begin+0x7c/0xc0
[<ffffffff8116a61c>] block_write_begin+0x8c/0xf0
[<ffffffff8116b89c>] cont_write_begin+0x8c/0xd0
[<ffffffffa0398110>] ? hfsplus_get_block+0x0/0x1a0 [hfsplus]
[<ffffffffa03964f6>] hfsplus_write_begin+0x36/0x40 [hfsplus]
[<ffffffffa0398110>] ? hfsplus_get_block+0x0/0x1a0 [hfsplus]
[<ffffffff810f2191>] generic_perform_write+0xc1/0x1a0
[<ffffffff810f22d5>] generic_file_buffered_write+0x65/0xa0
[<ffffffff810f3441>] __generic_file_aio_write+0x251/0x3f0
[<ffffffff810f2ce9>] ? generic_file_aio_read+0xb9/0x1b0
[<ffffffff810f363c>] generic_file_aio_write+0x5c/0xb0
[<ffffffff81140a65>] do_sync_write+0xd5/0x120
[<ffffffff81248aa6>] ? security_file_permission+0x16/0x20
[<ffffffff81141c3c>] vfs_write+0xcc/0x1a0
[<ffffffff81141e05>] sys_write+0x55/0x90
[<ffffffff8100b072>] system_call_fastpath+0x16/0x1b
Disabling lock debugging due to kernel taint
--
Daniel J Blueman
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