From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 13345] panic when reading data from IDE CDROM with >= 2.6.29
kernels
Date: Wed, 20 May 2009 18:19:31 GMT
Message-ID: <200905201819.n4KIJVfd024057@demeter.kernel.org>
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http://bugzilla.kernel.org/show_bug.cgi?id=13345
--- Comment #6 from Modestas Vainius 2009-05-20 18:19:31 ---
I'm really sorry, but I realized that I had not rebuilt initrd when I'd
installed a new kernel with the patch applied. So I did that and I can confirm
that I no longer got OOPS but those DMA turn offs were back instead as they
used to happen with <= 2.6.28 kernels:
[ 663.442788] hdd: cdrom_decode_status: status=0x51 { DriveReady SeekComplete
Error }
[ 663.445040] hdd: cdrom_decode_status: error=0x40 <3>{ LastFailedSense=0x04 }
[ 663.446768] ide: failed opcode was: unknown
[ 663.454549] hdd: cdrom_decode_status: status=0x51 { DriveReady SeekComplete
Error }
[ 663.456681] hdd: cdrom_decode_status: error=0x40 <3>{ LastFailedSense=0x04 }
[ 663.458541] ide: failed opcode was: unknown
[ 663.464783] hdd: cdrom_decode_status: status=0x51 { DriveReady SeekComplete
Error }
[ 663.466847] hdd: cdrom_decode_status: error=0x40 <3>{ LastFailedSense=0x04 }
[ 663.468764] ide: failed opcode was: unknown
[ 663.473414] hdd: cdrom_decode_status: status=0x51 { DriveReady SeekComplete
Error }
[ 663.475365] hdd: cdrom_decode_status: error=0x40 <3>{ LastFailedSense=0x04 }
[ 663.477259] ide: failed opcode was: unknown
[ 663.477406] hdd: DMA disabled
[ 663.520043] hdd: ATAPI reset complete
So yes, I can confirm that the patch fixes the OOPS with 2.6.30-rc5 and
2.6.30-rc6-git5. I'm looking forward to seeing the patch included in 2.6.30-rc7
and 2.6.29.x, it looks pretty important to me.
What is more, I "played" a bit with IDE cabling and switched my CD/DVD drive to
IDE master and I could not even reproduce the errors above (and hence annoying
DMA turn off is gone too) any more. So it is good news on all fronts for me.
I leave it for you to close the bug but it is fully RESOLVED as far as I'm
concerned.
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