Just re-loaded, lspci reports the affected controller as being the following:
07:01.0 RAID bus controller: Compaq Computer Corporation Smart Array 64xx (rev 01) Subsystem: Compaq Computer Corporation Smart Array 642 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18 Memory at fdff0000 (64-bit, non-prefetchable) [size=8K] I/O ports at 5000 [size=256] Memory at fdf80000 (64-bit, non-prefetchable) [size=256K] [virtual] Expansion ROM at 80300000 [disabled] [size=256K] Capabilities: [d0] Power Management version 2 Capabilities: [dc] PCI-X non-bridge device Capabilities: [f0] Vital Product Data Kernel driver in use: cciss Kernel modules: cciss During boot, I see in `dmesg`: [ 1.097409] HP CISS Driver (v 3.6.26) [ 1.098444] cciss 0000:07:01.0: PCI IRQ 50 -> rerouted to legacy IRQ 18 [ 1.098524] cciss 0000:07:01.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 [ 1.098694] cciss 0000:07:01.0: Controller reports max supported commands of 0, an obvious lie. Using 16. Ensure that firmware is up to date. [ 1.216111] cciss 0000:07:01.0: cciss0: <0x46> at PCI 0000:07:01.0 IRQ 18 using DAC I'm not sure what the firmware update procedure is on these things. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/666828 Title: task jbd2/cciss!c0d0:258 blocked for more than 120 seconds To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/666828/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs