On Sun 2007-08-05 18:36:03, Nevine AbouGhazaleh wrote:
> 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.
Try latest kernel without suspend2 patch... ... if it hangs at 20% you
may have a chance that driver already has some suspend/resume support.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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