https://bugzilla.kernel.org/show_bug.cgi?id=78281 Bug ID: 78281 Summary: aacraid: swiotlb buffer is full (sz: 255 bytes) Product: SCSI Drivers Version: 2.5 Kernel Version: 3.14-0.bpo.1-amd64 #1 SMP Debian 3.14.5-1~bpo70+1 (2014-06-05) x86_64 GNU/Linux Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: AACRAID Assignee: scsi_drivers-aacraid@xxxxxxxxxxxxxxxxxxxx Reporter: lee@xxxxxxxxxxxxxxx Regression: No IBM x3650 7979 w/ ServeRaid 8k, updated to latest BIOS and firmware Debian Wheezy with latest Debian kernel from Debian backports running under xen-hypervisor dom0 goes down with a stream of messages "aacraid 0000:04:00.0: swiotlb buffer is full (sz: 255 bytes)" The number of bytes varies. 04:00.0 RAID bus controller: Adaptec AAC-RAID (Rocket) (rev 02) Subsystem: IBM ServeRAID 8k/8k-l8 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 17 Region 0: Memory at c9e00000 (64-bit, non-prefetchable) [size=2M] Region 2: Memory at c7fe0000 (64-bit, prefetchable) [size=128K] Region 4: I/O ports at 5000 [size=256] [virtual] Expansion ROM at c7f00000 [disabled] [size=32K] Capabilities: <access denied> Kernel driver in use: aacraid The 3.2 Debian kernel was not stable, either. I couldn't see the debugging output, though. I'll try 3.15.1 from kernel.org and see if there's any difference. Please let me know what information you might need or if I can do something to get better debugging info. -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
