Description of problem: The problem appeared after I updated from kernel 2.6.13-1.1526_FC4smp to 2.6.14-1.1637_FC4smp. The machine is an IBM x226 with a ServeRAID 6i+ card. Under 1637, channel 1 and 2 of the controller and any associated devices (in my case, just a tape drive) are not visible. Same thing happens on the non-smp kernel. Booting 1526 shows the channels and devices. (See below for examples.) Both 1526 and 1637 seem to be using the same version of the ips driver (7.12.2). The 6i+ card has the latest version of the firmware (7.10.23). Version-Release number of selected component (if applicable): 2.6.14-1.1637 How reproducible: Always. Steps to Reproduce: 1. Boot 2. Check for devices in /proc/scsi/scsi 3. Actual results: Channel 1 and 2 of the SCSI and any devices connected to them don't appear Expected results: Channel 1 and 2 do appear. Additional info: cat of /proc/scsi/scsi under 1526: Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 15 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Processor ANSI SCSI revision: 02 Host: scsi0 Channel: 01 Id: 06 Lun: 00 Vendor: SEAGATE Model: DAT 9SP40-000 Rev: 910B Type: Sequential-Access ANSI SCSI revision: 03 Host: scsi0 Channel: 02 Id: 08 Lun: 00 Vendor: IBM Model: 02R0980a S320 1 Rev: 1 Type: Processor ANSI SCSI revision: 02 cat of /proc/scsi/scsi under 1637: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 15 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Processor ANSI SCSI revision: 02 cat of /proc/scsi/sg/dev* under 1526: host chan id lun type opens qdepth busy online 0 0 0 0 0 1 63 0 1 0 0 15 0 3 1 3 0 1 0 1 6 0 1 1 3 0 1 0 2 8 0 3 1 3 0 1 IBM SERVERAID 1.00 IBM SERVERAID 1.00 SEAGATE DAT 9SP40-000 910B IBM 02R0980a S320 1 1 cat of /proc/scsi/sg/dev* under 1637: host chan id lun type opens qdepth busy online 0 0 0 0 0 1 63 0 1 0 0 15 0 3 1 3 0 1 IBM SERVERAID 1.00 IBM SERVERAID 1.00 modprobe.conf: alias eth0 tg3 alias scsi_hostadapter ips alias usb-controller ehci-hcd alias usb-controller1 uhci-hcd
FWIW, the same problem occurs with kernel 2.6.14-1.1644 from 28 November.
Problem still exists as of kernel 2.6.14-1.1653.
This is a mass-update to all currently open kernel bugs. A new kernel update has been released (Version: 2.6.15-1.1830_FC4) based upon a new upstream kernel release. Please retest against this new kernel, as a large number of patches go into each upstream release, possibly including changes that may address this problem. This bug has been placed in NEEDINFO_REPORTER state. Due to the large volume of inactive bugs in bugzilla, if this bug is still in this state in two weeks time, it will be closed. Should this bug still be relevant after this period, the reporter can reopen the bug at any time. Any other users on the Cc: list of this bug can request that the bug be reopened by adding a comment to the bug. If this bug is a problem preventing you from installing the release this version is filed against, please see bug 169613. Thank you.
Problem is resolved in 2.6.15-1.1830_FC4.