Description of problem: System hangs when I tries to backup discs attached on IT8212 raid controller. With other discs, on other controllers, it does not happening! I have tried with dump, tar, cpio, but it always hangs. Other ways I have not have any problems with this disc and controller or any other disc or controller. Under Windows XP (dual boot) there is not problem with backup or any other operation. Version-Release number of selected component (if applicable): dump-0.4b41-2.fc5 How reproducible: always Steps to Reproduce: 1. dump -0 -b 64 -M -B 524288 -j9 -A opt.dumplog -f opt /opt 2. 3. Actual results: system hungs after "DUMP: dumping (Pass IV) [regular files]" Expected results: Additional info:
Created attachment 138497 [details] fdisk -l, /etc/fstab, /var/log/messages
To debug this need the actual messages from the IDE controller printed on the console as it chokes. I would suspect you have one of the firmware versions that dies under very high I/O load, in which case there isn't much that can be done except to put the controller into non-raid mode with the it8212_noraid option.
So is there needed to fix something on the dump side? It sounds more like a hardware issue to me.
Dump causes long streaming I/O patterns which seem to blow up some of the firmware versions. Hacking the ide driver to limit its maximum I/O size might help a bit but its certainly not a dump problem.
Mario, can you try and capture the messages Alan refers to in comment #2, and also separately, try the it8212_noraid option ? Thanks.
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