http://bugzilla.suse.com/show_bug.cgi?id=930925 Bug ID: 930925 Summary: megaraid_sas: Wrong VD gets deletion(Latest SLES11 SP4 RC has this bug) Classification: openSUSE Product: openSUSE Distribution Version: 13.2 Hardware: Other OS: SLES 11 Status: NEW Severity: Critical Priority: P5 - None Component: Kernel Assignee: kernel-maintainers@forge.provo.novell.com Reporter: sumit.saxena@avagotech.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- megaraid_sas driver has a bug present in latest RC of SLES11 SP4, where un-intended VD is deleted. The issue was reported by Redhat(Bug 1207092) and the fix has been verified by them. The end experience of this is very bad. The patch has been submitted to upstream to fix this issue. Below is some information about the proposed fix- The change proposed in this patch will fix the regression introduced in patch- "90dc9d9 megaraid_sas : MFI MPT linked list corruption fix" inside function megasas_ld_list_query(). Prior to this MFI MPT linked list corruption fix patch, megasas_ld_list_query() function used to check DCMD status(returned by firmware) but with this linked list corruption fix patch, DCMD status will not be checked inside function megasas_ld_list_query() and introduced this issue of wrong data being used by function megasas_ld_list_query(). Patch submitted to upstream can be found at URL- http://marc.info/?l=linux-scsi&m=143091908326056&w=2 Below is information about the components invloved in the test- "Version" : { "Firmware Package Build" : "12.0.1-0090", "Firmware Version" : "2.0.13-0748", "Bios Version" : "3.09.00", "Preboot CLI Version" : "02.00-015:#%08", "WebBIOS Version" : "3.0-22-e_12-Rel", "NVDATA Version" : "2.02.0038", "Boot Block Version" : "2.00.00.00-0018", "Bootloader Version" : "01.250.04.219", "Driver Name" : "megaraid_sas", "Driver Version" : "06.805.06.00-rc1" }, How to reproduce: Create more than one VDs, try to delete one VD. Other VD gets deleted. Can we have this fix get included in next SLES11 SP4 RC? -- You are receiving this mail because: You are on the CC list for the bug.