https://bugzilla.novell.com/show_bug.cgi?id=672765 https://bugzilla.novell.com/show_bug.cgi?id=672765#c0 Summary: heavy I/O (dd) running in the system caused the system GUI not display Classification: openSUSE Product: openSUSE 11.1 Version: Final Platform: x86-64 OS/Version: openSUSE 11.0 Status: NEW Severity: Major Priority: P5 - None Component: Kernel AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: bo.yang@lsi.com QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; FunWebProducts; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; InfoPath.2; MS-RTC LM 8) Using megaraid iMR controller, run about 10 dd in the system which will cause the system GUI can't come back. the cmd will like: dd if=/dev/ZERO of=/dev/sdb bs=1024M count=5000 dd if=/dev/ZERO of=/dev/sdc bs=1024M count=5000 dd if=/dev/ZERO of=/dev/sdd bs=1024M count=5000 dd if=/dev/ZERO of=/dev/sde bs=1024M count=5000 dd if=/dev/ZERO of=/dev/sdf bs=1024M count=5000 dd if=/dev/ZERO of=/dev/sdg bs=1024M count=5000 dd if=/dev/ZERO of=/dev/sdh bs=1024M count=5000 I am thinking the queue methods may caused this issue. Reproducible: Always Steps to Reproduce: 1.create about 6 lds. 2.run dd in each lds Using megaraid iMR controller, run about 10 dd in the system which will cause the system GUI can't come back. the cmd will like: dd if=/dev/ZERO of=/dev/sdb bs=1024M count=5000 dd if=/dev/ZERO of=/dev/sdc bs=1024M count=5000 dd if=/dev/ZERO of=/dev/sdd bs=1024M count=5000 dd if=/dev/ZERO of=/dev/sde bs=1024M count=5000 dd if=/dev/ZERO of=/dev/sdf bs=1024M count=5000 dd if=/dev/ZERO of=/dev/sdg bs=1024M count=5000 dd if=/dev/ZERO of=/dev/sdh bs=1024M count=5000 I am thinking the queue methods may caused this issue. Actual Results: GUI can't come back.. Also console login take long time. The operation will not normal. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.