From: Pavel Machek <pavel@ucw.cz>
To: Nevine AbouGhazaleh <nevine@cs.pitt.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: suspend-to-disk using a SAS drive
Date: Thu, 18 Oct 2007 14:53:16 +0200 [thread overview]
Message-ID: <20071018125316.GA22228@elf.ucw.cz> (raw)
In-Reply-To: <46B67B03.1050008@cs.pitt.edu>
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
prev parent reply other threads:[~2007-10-18 12:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-06 1:36 suspend-to-disk using a SAS drive Nevine AbouGhazaleh
2007-10-18 12:53 ` Pavel Machek [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20071018125316.GA22228@elf.ucw.cz \
--to=pavel@ucw.cz \
--cc=linux-kernel@vger.kernel.org \
--cc=nevine@cs.pitt.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox