New: aacraid: swiotlb buffer is full (sz: 255 bytes)
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: [email protected]
Reporter: [email protected]
Regression: NoIBM 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.
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[Bug 78281] aacraid: swiotlb buffer is full (sz: 255 bytes)
https://bugzilla.kernel.org/show_bug.cgi?id=78281
--- Comment #1 from H. Wilmer <[email protected]> --- PS:
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: [40] Express (v1) Endpoint, MSI 00
DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <128ns,
L1 <2us
ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset-
DevCtl: Report errors: Correctable- Non-Fatal+ Fatal+
Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 4096 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
LnkCap: Port #0, Speed 2.5GT/s, Width x8, ASPM L0s L1, Latency
L0 <64ns, L1 <1us
ClockPM- Surprise- LLActRep- BwNot-
LnkCtl: ASPM Disabled; RCB 128 bytes Disabled- Retrain-
CommClk-
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x4, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
Capabilities: [e0] MSI: Enable- Count=1/4 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Capabilities: [100 v1] Advanced Error Reporting
UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol-
UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt-
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
Kernel driver in use: aacraid
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