[Xen-devel] tapdisk2 makes HP multi-core hang

[K L <intervalmg@xxxxxxxxx>]

Hi all,

I am running tapdisk2 on HP proliant DL360 and found the following
error when tapdisk2 running for a while. Could any body help me look
at this?

Many thanks,
Jeff

///////////////////////////////////////////////

EXT3-fs error (device tapdeva): ext3_add_entry: bad entry in directory
#2: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0,
name_len=0
Aborting journal on device tapdeva.
EXT3-fs error (device tapdeva) in ext3_reserve_inode_write: Journal has aborted
ext3_abort called.
EXT3-fs error (device tapdeva): ext3_journal_start_sb: Detected aborted journal
Remounting filesystem read-only
EXT3-fs error (device tapdeva) in start_transaction: Journal has aborted
__journal_remove_journal_head: freeing b_committed_data
BUG: soft lockup detected on CPU#2!

Call Trace:
 <IRQ> [<ffffffff8022ef40>] wake_up_process+0x10/0x20
 [<ffffffff8025fbed>] softlockup_tick+0xfd/0x130
 [<ffffffff80242623>] run_local_timers+0x13/0x20
 [<ffffffff8020f53d>] timer_interrupt+0x49d/0x500
 [<ffffffff8024aa90>] delayed_work_timer_fn+0x0/0x40
 [<ffffffff8026013c>] handle_IRQ_event+0x5c/0xb0
 [<ffffffff8026024f>] __do_IRQ+0xbf/0x140
 [<ffffffff8020c802>] do_IRQ+0x52/0x70
 [<ffffffff8043f626>] evtchn_do_upcall+0x126/0x350
 [<ffffffff8020a332>] do_hypervisor_callback+0x1e/0x2c
 <EOI> [<ffffffff8030da26>] ext3fs_dirhash+0x206/0x220
 [<ffffffff8030a300>] htree_dirblock_to_tree+0x70/0x100
 [<ffffffff8030a400>] ext3_htree_fill_tree+0x70/0x220
 [<ffffffff802743ce>] __handle_mm_fault+0xb2e/0x12e0
 [<ffffffff8030026e>] ext3_readdir+0x1ce/0x5e0
 [<ffffffff8028e368>] file_move+0x28/0x60
 [<ffffffff802a2930>] filldir+0x0/0xe0
 [<ffffffff80252799>] up_read+0x9/0x10
 [<ffffffff8021e23f>] do_page_fault+0xcef/0x11c0
 [<ffffffff802a2930>] filldir+0x0/0xe0
 [<ffffffff802a2b40>] vfs_readdir+0x70/0xc0
 [<ffffffff802a2ce3>] sys_getdents+0x83/0xd0
 [<ffffffff8020a287>] error_exit+0x0/0x71
 [<ffffffff80209b48>] system_call+0x68/0x6d
 [<ffffffff80209ae0>] system_call+0x0/0x6d

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