Hi James,

I have the same problem since my upgrade to Fedora Core 4 (FC4), the
server worked correctly with FC2.

It works correctly on FC4 with an old kernel (2.6.10-1.771_FC2smp).
I suspect the scsi driver, which driver are you using, I'm using aic7xxx.

Jean-Louis

On Wed, Nov 16, 2005 at 01:25:26PM -0500, James D. Freels wrote:
> Hello folks !  I have been using AMANDA now for several years and find
> it to be a superb backup tool.  I just converted one of my AMANDA backup
> servers (fea5) from an Alpha 64-bit machine running Debian/Sarge to a
> new AMD64 64-bit machine also running Debian/Sarge.  When writing to the
> tape using the /usr/lib/amanda/taper component of the amanda-server
> package in 64-bit mode, the machine fails, and eventually hangs to the
> point of being unusable.  However, if I issue the same commands in the
> chroot 32-bit mode environment, it works fine.  Right now, I basically
> have to run the server in 32-bit mode and the client in 64-bit mode.  I
> would much prefer running the entire system cleanly in 64-bit mode.  I
> am including the taper error messages here for reference.  Has anyone
> else experienced this problem ?  If so how can it be corrected ?  I have
> already issued a bug report to the Debian developers, but I have not
> obtained a solution and it has been several days now.  Currently, I am
> running in 32-bit server mode on this machine.  The machine is also an
> SMP machine with 16GB of memory.
> 
> Partial list of the error messages (short enough to be able to send this
> e-mail to this mailing list):
> 
> Nov  7 00:12:48 fea8 kernel: Bad page state at free_hot_cold_page (in
> process 'taper', page ffff810002642348)
> Nov  7 00:12:48 fea8 kernel: flags:0x010000000000000c
> mapping:ffff8100080ec238 mapcount:2 count:0
> Nov  7 00:12:48 fea8 kernel: Backtrace:
> Nov  7 00:12:48 fea8 kernel: 
> Nov  7 00:12:48 fea8 kernel: Call Trace:<ffffffff80157613>{bad_page+99}
> <ffffffff80157fc5>{free_hot_cold_page+101}
> Nov  7 00:12:48 fea8 kernel:
> <ffffffff8015f0c7>{__page_cache_release+151}
> <ffffffff80354228>{sgl_unmap_user_pages+120}
> Nov  7 00:12:48 fea8 kernel:        <ffffffff8034fb3b>{release_buffering
> +27} <ffffffff803501f1>{st_write+1697}
> Nov  7 00:12:48 fea8 kernel:        <ffffffff80176ec6>{vfs_write+198}
> <ffffffff80177023>{sys_write+83}
> Nov  7 00:12:48 fea8 kernel:        <ffffffff8010d77a>{system_call+126} 
> Nov  7 00:12:48 fea8 kernel: Trying to fix it up, but a reboot is needed
> Nov  7 00:12:48 fea8 kernel: Bad page state at free_hot_cold_page (in
> process 'taper', page ffff8100026131e8)
> Nov  7 00:12:48 fea8 kernel: flags:0x010000000000000c
> mapping:ffff8100080ec238 mapcount:2 count:0
> Nov  7 00:12:48 fea8 kernel: Backtrace:
> Nov  7 00:12:48 fea8 kernel: 
> Nov  7 00:12:48 fea8 kernel: Call Trace:<ffffffff80157613>{bad_page+99}
> <ffffffff80157fc5>{free_hot_cold_page+101}
> Nov  7 00:12:48 fea8 kernel:
> <ffffffff8015f0c7>{__page_cache_release+151}
> <ffffffff80354228>{sgl_unmap_user_pages+120}
> Nov  7 00:12:48 fea8 kernel:        <ffffffff8034fb3b>{release_buffering
> +27} <ffffffff803501f1>{st_write+1697}
> Nov  7 00:12:48 fea8 kernel:        <ffffffff80176ec6>{vfs_write+198}
> <ffffffff80177023>{sys_write+83}
> Nov  7 00:12:48 fea8 kernel:        <ffffffff8010d77a>{system_call+126} 
> Nov  7 00:12:48 fea8 kernel: Trying to fix it up, but a reboot is needed
> Nov  7 00:12:48 fea8 kernel: Bad page state at free_hot_cold_page (in
> process 'taper', page ffff8100026c87a0)
> Nov  7 00:12:48 fea8 kernel: flags:0x010000000000000c
> mapping:ffff8100080ec238 mapcount:2 count:0
> Nov  7 00:12:48 fea8 kernel: Backtrace:
> 
> 
> -- 
> James D. Freels, Ph.D.
> Oak Ridge National Laboratory
> freelsjd AT ornl DOT gov
> 

-- 
James D. Freels, Ph.D.
Oak Ridge National Laboratory
freelsjd AT ornl DOT gov