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Description of problem: RH kernels 2.4.20-20.9smp and 2.4.20-19.9smp crash (kernel trace) on my Dell PE2650 after 1-3 hours while doing havy disk io. RH kernel 2.4.20-8smp and 2.4.20-18.9smp do not have this problem! Version-Release number of selected component (if applicable): Redhat-9.0 + glibc-2.3.2-27.9 How reproducible: After testing for more than 10 days, I confirm 100% reproducibility. Steps to Reproduce: 1. while 1; do dd if=/dev/zero of=big10 bs=1M count=10; done 2. wait ~1-3 hours 3. Actual results: kernel trace on console, but no log file entry! Expected results: Additional info: - The PE2650 has 2 x 2.4 GHz Xeon - Hyperthreading on/off does not influence the mentioned effect. - Booting with 'noapic' still crashes system - Using latest bcm5700 instead of tg3 makes not difference - Doing disk io on local disk (PERC) or external FC disk makes no difference.
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