Messages in this thread | | | Subject | Re: ide-cdrom / atapi burning bug - 2.6.1 | From | Mans Matulewicz <> | Date | Sat, 31 Jan 2004 17:45:27 +0100 |
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On Sat, 2004-01-31 at 11:32, Jens Axboe wrote: > On Sat, Jan 31 2004, Mans Matulewicz wrote: > > On Sat, 2004-01-31 at 11:20, Jens Axboe wrote: > > > On Sat, Jan 31 2004, Mans Matulewicz wrote: > > > > On Sat, 2004-01-31 at 10:34, Jens Axboe wrote: > > > > > On Sat, Jan 31 2004, Mans Matulewicz wrote: > > > > > > Hi, > > > > > > After replacing my 2.4.22 with a 2.6.1 kernel I tried ATAPI cd burning. > > > > > > This totally fails. Most of the CD's are corrupt and my system totally > > > > > > locks up when erasing an cdrw (reset button was the option I needed to > > > > > > reboot my system) . k3b reports cd is completely burned but fails are > > > > > > not identical or totally unreadable. I tried it both with an tainted > > > > > > (nvidia) and an untainted (nv) kernel: same results. With ide-scsi > > > > > > burning in 2.4.x I had no problems. > > > > > > > > > > Did you use DMA in 2.4 as well? Does 2.6 work if you turn it off? It's > > > > > most likely an issue with your via adapter. > > > > > > > > I used DMA in 2.4. > > > > > > > > I tried without dma on but it still totally locks my system while > > > > erasing an rw. > > > > > > Do you really have an SMP box, or are you just using an SMP kernel? If > > > you have SMP, it would be interesting to enable the nmi watchdog (if it > > > works on your system). > > > > > > Are you using preempt? > > > > Its just an smp kernel. I only have one cpu. > > > > Preempt is enabled in kernel > > Could you try disabling preempt?
That worked. preempt= off dma was on
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