From: Nevine AbouGhazaleh <nevine@cs.pitt.edu>
To: linux-kernel@vger.kernel.org
Subject: suspend-to-disk using a SAS drive
Date: Sun, 05 Aug 2007 18:36:03 -0700 [thread overview]
Message-ID: <46B67B03.1050008@cs.pitt.edu> (raw)
I am trying to suspend-to-disk using the Suspend2 modules. I am using an SSD drive connected through a SAS bus interface. The SSD acts as a boot disk.
All read and write transactions to the drive works well during normal operation.
when I hibernate (suspend-to-disk).
I get the following errors:
------------------
mptbase: ioc0: ERROR – Invalid IOC facts reply, msgLength=0 offset=6
pnp: Failed to activate device 00:09.
pnp: Failed to activate device 00:0a.
------------
Immediately after these messages, Linux hangs as soon as it starts writing the image to the drive. showing the following output.
------------------
Writing Kernel and process data ...
20%...
------------------
When using KDB to trace the problem after the kernel hung.
<ps> shows a running process: Ks2io
when doing Back Trace for Ks2io wheen the kernel hangs, I get the following trace
--------------------
_spin_unlock_irq+0xb
thread_return+0x64
_raw_spin_lock+ox90
__mutex_up_process+0x10
wake_up_process+0x10
suspend_bio_write_page
mutex_lock+0x2a
flush_workqueue+0x51
kblockd_flush+0x10
do_bio_wait+0x1b
suspend_bio_write_page
suepend_bio_write_page+0x41
suspend_compress_write_page+0x137
worker_rw_loop
worker_rw_loop+0x133
worker_rw_loop
kthread+0xf5
schedule_tail_0x45
child_rip+0x45
worker_thread
kthread
child_rip
--------------------
It seems that the problem is when suspend2 tries to write to the SSD drive.
I am not sure whether the problem is with the suspend2 module or the mpt driver?
I am using kernel 2.6.21.1 x86_64 with fedora core 5 x86_64. MPT driver 3.04
Any insights/recommendations will be greatly appreciated.
next reply other threads:[~2007-08-06 2:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-06 1:36 Nevine AbouGhazaleh [this message]
2007-10-18 12:53 ` suspend-to-disk using a SAS drive Pavel Machek
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