Bug#596419: Acknowledgement (xen-linux-system-2.6.32-5-xen-amd64: causes a system hangup by the shutdown of the system, aacraid (sw raid) involved in hangup)
Even after the downgrade of kernel and of the corresponding files to the
version 2.6.32-18 and downgrade of mdadm the problem still persists, so it
is not bound specificallz to this package and to this version.
I have identified now (after the downgrades to 2.6.30-18) the following
initial stack trace (some lines are missing from the top, I think, they were
no longer on the screen):
[<....>] ? bio_alloc_bioset+0x45/0xb7
[<....>] ? submit_bio+0xd6/0xf2
[<....>] ? md_super_write+0x84/0xb2 [md_mod]
[<....>] ? xen_restore_fl_direct_end+0x0/0x1
[<....>] ? md_update_sb+0x268/0x31e
[<....>] ? md_check_recovery+0x1e2/0x4b9 [md_mod]
[<....>] ? raid1d+0x42/0xe0b [raid1]
[<....>] ? finish_task_switch+0x44/0xaf
[<....>] ? schedule_timeout+0x2e/0xdd
[<....>] ? xen_restore_fl_direct_end+0x0/0x1
[<....>] ? xen_force_evtchn_callback+0x9/0xa
[<....>] ? check_events+0x12/0x20
[<....>] ? xen_restore_fl_direct_end+0x0/0x1
[<....>] ? md_thread+0xf1/0x10f [md_mod]
[<....>] ? autoremove_wake_function+0x0/0x2e
[<....>] ? md_thread+0x0/0x10f [md_mod]
[<....>] ? kthread+0x79/0x01
[<....>] ? child_rip+0xa/0x20
[<....>] ? int_ret_from_szs_call+0x7/0x1b
[<....>] ? retinit_restore_args+0x5/0x6
[<....>] ? xen-restore-fl-direct-end+0x0/0x1
[<....>] ? xen-restore-fl-direct-end+0x0/0x1
[<....>] ? child_rip+0x0/0x20
Code: 00 00 c7 46 0c 00 00 00 00 c7 46 10 00 00 00 00 c7 46 14 00
00 00 00 c7 46 18 00 00 00 00 e8 10 63 fa ff 83 f8 00 41 89 c6 7d 04 <0f> 0b
eb
fe 75 08 45 31 e4 e9 9c 00 00 00 49 8b 7f 58 48 89 eb
RIP [<....>] aac_build_sgraw+0x51/0x10a [aacraid]
RSP <ffff88003cd998e0>
--- [ end trace .... ] ---
Now also this stack trace stays on the screen and nothing happens also after
very long time (1 hour)
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