From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.10) Gecko/20050721 CentOS/1.0.6-1.4.1.centos4 Firefox/1.0.6 Description of problem: I'm getting kernel panics when burning DVD ISO images using cdrecord. I remember 2.6 kernels from Fedora Core 3 didn't have this problem (was able to burn DVD images back then without problems). Strangely burning CD ISO images works fine. The command line used was: cdrecord dev=3,0,0 -v -sao driveropts=burnfree image.iso The crash occurs just after cdrecord starts sending ISO image to the burner (after OPC). cdrecord prints it sent first megabyte of data, then there's a bit longer pause, and then the system will crash. I'll attach crash data from both system as attachments. If I use k3b (which uses growisofs "under-the-hood") with verify option turned on, the system doesn't crash, however k3b reports that the ISO image and burned DVD differ. However doing "diff -rq" on DVD and original files does not show any differences. Must be some metadata that differes or something. I guess this might be related to crashes when using cdrecord. The DVD burner in question is Sony DRU-710A connected to USB 2.0 port. I've used DVD-R media. Haven't attempted using DVD+R (there's another very old and well known bug when using DVD+R media, so I stopped buying them long time ago). Another thing I attempted (since DRU-710A has both USB and IEEE1349 interfaces) is to recompile the kernel with support for IEEE1349 and connect DVD burner to IEEE1349 port (power off everything, disconnect USB cable, connect IEEE1349, power on everything). On boot DVD burner was correctly recognized, however burning to it also failed (attempted doing it twice, got freeze, rebooted to free device, attempted again, got crash). Version-Release number of selected component (if applicable): kernel-2.6.9-11.EL How reproducible: Always Steps to Reproduce: 1. burn DVD ISO image using cdrecord Additional info:
Created attachment 118018 [details] crash logs from first system
Created attachment 118019 [details] crash logs from second system
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