https://bugzilla.novell.com/show_bug.cgi?id=773669 https://bugzilla.novell.com/show_bug.cgi?id=773669#c0 Summary: low i/o performance for pata disks at promise ultra133tx2 Classification: openSUSE Product: openSUSE 12.2 Version: RC 1 Platform: i686 OS/Version: openSUSE 12.2 Status: NEW Severity: Major Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: wefing@gmx.de QAContact: qa-bugs@suse.de Found By: --- Blocker: --- Created an attachment (id=500446) --> (http://bugzilla.novell.com/attachment.cgi?id=500446) output from hwinfo of opensuse 11.2 User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.14) Gecko/2009090900 SUSE/3.0.14-0.1 Firefox/3.0.14 booting to the rescue system of opensuse 12.2 rc1 and issuing the command /sbin/hdparm -t /dev/sda returns an i/o performance of about 5 mb/s. same result for reading a large file with dd. under opensuse 11.2 reading performance for that disk is about 70 mb/s. opensuse 11.2 was the last suse system for which a normal i/o performance has been observed, all following system were broken in this respect. Reproducible: Always Steps to Reproduce: 1. boot into the 12.2 rescue system using hwprobe=-modules.pata 2. log in as root. 3. measure i/o performance of pata disk via "/sbin/hdparm -t /dev/sda" Actual Results: 5 mb/s Expected Results: at least 50 mb/s -- 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.