Hi, Switching on or pluging in this firewire device (saphire pro 40 audio interface) I randomly get the following errors. Note I unbinded the Texas firewire controller however I do not get this error with the Texas controller. I'm already loading kernel with options firewire_ohci quirks=0x10 as MSI errors fill the kernel log. Unable to unload firewire_ohci modules. Unable to clean shut down forced hard reset required (SysReq u/b/o). If you require anything else let me know. Regards, Julian. ============================================================================= device: ============================================================================= 83:00.0 FireWire (IEEE 1394): LSI Corporation FW643 [TrueFire] PCIe 1394b Controller (rev 08) (prog-if 10 [OHCI]) Subsystem: Device 5901:1101 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: 256 bytes Interrupt: pin A routed to IRQ 16 NUMA node: 1 Region 0: Memory at cdefe000 (64-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME+ Capabilities: [4c] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Capabilities: [60] Express (v1) Endpoint, MSI 00 DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <4us, L1 <64us ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset- SlotPowerLimit 0.000W DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 256 bytes, MaxReadReq 2048 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <512ns, L1 <64us ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- 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- Capabilities: [140 v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed- WRR32- WRR64- WRR128- Ctrl: ArbSelect=Fixed Status: InProgress- VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff Status: NegoPending- InProgress- VC1: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable- ID=0 ArbSelect=Fixed TC/VC=00 Status: NegoPending- InProgress- Capabilities: [170 v1] Device Serial Number 01-08-00-00-00-01-8e-26 Kernel modules: firewire_ohci ============================================================================= Kernel Traces: ============================================================================= Mar 18 13:18:55 venus kernel: firewire_ohci 0000:06:05.0: removed fw-ohci device Mar 18 13:20:51 venus kernel: firewire_core 0000:83:00.0: phy config: new root=ffc1, gap_count=5 Mar 18 13:20:51 venus kernel: firewire_ohci 0000:83:00.0: failed to read phy reg 5 Mar 18 13:20:51 venus kernel: CPU: 2 PID: 9009 Comm: kworker/2:3 Tainted: P IO 4.9.13-rt12 #1 Mar 18 13:20:51 venus kernel: Hardware name: Supermicro X8DAH/X8DAH, BIOS 2.1 12/30/2011 Mar 18 13:20:51 venus kernel: Workqueue: events bm_work [firewire_core] Mar 18 13:20:51 venus kernel: ffffc90017827d08 ffffffff813602f2 0000000000000067 ffff88144c4f4000 Mar 18 13:20:51 venus kernel: ffffc90017827d30 ffffffffa01015cd 0000000000000000 0000000000000005 Mar 18 13:20:51 venus kernel: 0000000000000040 ffffc90017827d60 ffffffffa0101650 ffff88144c4f4648 Mar 18 13:20:51 venus kernel: Call Trace: Mar 18 13:20:51 venus kernel: [<ffffffff813602f2>] dump_stack+0x4d/0x6b Mar 18 13:20:51 venus kernel: [<ffffffffa01015cd>] read_phy_reg+0x8d/0xa0 [firewire_ohci] Mar 18 13:20:51 venus kernel: [<ffffffffa0101650>] update_phy_reg+0x20/0x50 [firewire_ohci] Mar 18 13:20:51 venus kernel: [<ffffffffa01016be>] ohci_update_phy_reg+0x3e/0x60 [firewire_ohci] Mar 18 13:20:51 venus kernel: [<ffffffffa00add7c>] bm_work+0x1dc/0x470 [firewire_core] Mar 18 13:20:51 venus kernel: [<ffffffffa00adb4e>] ? fw_schedule_bm_work+0x3e/0x90 [firewire_core] Mar 18 13:20:51 venus kernel: [<ffffffffa00b138b>] ? fw_device_update+0x2b/0x30 [firewire_core] Mar 18 13:20:51 venus kernel: [<ffffffff810740a5>] process_one_work+0x1d5/0x4d0 Mar 18 13:20:51 venus kernel: [<ffffffff810743eb>] worker_thread+0x4b/0x510 Mar 18 13:20:51 venus kernel: [<ffffffff810743a0>] ? process_one_work+0x4d0/0x4d0 Mar 18 13:20:51 venus kernel: [<ffffffff81079dca>] kthread+0xca/0xe0 Mar 18 13:20:51 venus kernel: [<ffffffff81079d00>] ? kthread_park+0x60/0x60 Mar 18 13:20:51 venus kernel: [<ffffffff81725622>] ret_from_fork+0x22/0x30 Mar 18 13:20:55 venus kernel: firewire_ohci 0000:83:00.0: isochronous cycle inconsistent Mar 18 13:20:55 venus kernel: firewire_ohci 0000:83:00.0: DMA context still active (0x00000400) ============================================================================= Attempts to force module unloading. (modprobe -r) ============================================================================= Mar 18 13:27:33 venus kernel: firewire_ohci 0000:83:00.0: failed to read phy reg 4 Mar 18 13:27:33 venus kernel: CPU: 16 PID: 9955 Comm: rmmod Tainted: P IO 4.9.13-rt12 #1 Mar 18 13:27:33 venus kernel: Hardware name: Supermicro X8DAH/X8DAH, BIOS 2.1 12/30/2011 Mar 18 13:27:33 venus kernel: ffffc90017043c68 ffffffff813602f2 0000000000000067 ffff88144c4f4000 Mar 18 13:27:33 venus kernel: ffffc90017043c90 ffffffffa01015cd 00000000000000c0 0000000000000004 Mar 18 13:27:33 venus kernel: 0000000000000000 ffffc90017043cc0 ffffffffa0101650 ffff88144c4f4648 Mar 18 13:27:33 venus kernel: Call Trace: Mar 18 13:27:33 venus kernel: [<ffffffff813602f2>] dump_stack+0x4d/0x6b Mar 18 13:27:33 venus kernel: [<ffffffffa01015cd>] read_phy_reg+0x8d/0xa0 [firewire_ohci] Mar 18 13:27:33 venus kernel: [<ffffffffa0101650>] update_phy_reg+0x20/0x50 [firewire_ohci] Mar 18 13:27:33 venus kernel: [<ffffffffa01016be>] ohci_update_phy_reg+0x3e/0x60 [firewire_ohci] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad490>] fw_core_remove_card+0xa0/0x170 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad000>] ? 0xffffffffa00ad000 Mar 18 13:27:33 venus kernel: [<ffffffffa00ad010>] ? dummy_read_phy_reg+0x10/0x10 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad040>] ? dummy_send_response+0x20/0x20 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad020>] ? dummy_update_phy_reg+0x10/0x10 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad050>] ? dummy_send_request+0x10/0x10 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad060>] ? dummy_cancel_packet+0x10/0x10 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad070>] ? dummy_enable_phys_dma+0x10/0x10 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad090>] ? dummy_allocate_iso_context+0x20/0x20 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad0a0>] ? dummy_start_iso+0x10/0x10 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad0b0>] ? dummy_set_iso_channels+0x10/0x10 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad0c0>] ? dummy_queue_iso+0x10/0x10 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad0d0>] ? dummy_flush_queue_iso+0x10/0x10 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa01047a0>] pci_remove+0x60/0x2c0 [firewire_ohci] Mar 18 13:27:33 venus kernel: [<ffffffff817250f7>] ? rt_spin_unlock+0x27/0x40 Mar 18 13:27:33 venus kernel: [<ffffffff813adb39>] pci_device_remove+0x39/0xc0 Mar 18 13:27:33 venus kernel: [<ffffffff81489de1>] __device_release_driver+0xa1/0x160 Mar 18 13:27:33 venus kernel: [<ffffffff8148a9c4>] driver_detach+0xb4/0xc0 Mar 18 13:27:33 venus kernel: [<ffffffff81489818>] bus_remove_driver+0x58/0xd0 Mar 18 13:27:33 venus kernel: [<ffffffff8148b22c>] driver_unregister+0x2c/0x50 Mar 18 13:27:33 venus kernel: [<ffffffff813ac8b2>] pci_unregister_driver+0x32/0xa0 Mar 18 13:27:33 venus kernel: [<ffffffffa0105a83>] fw_ohci_cleanup+0x10/0x58d [firewire_ohci] Mar 18 13:27:33 venus kernel: [<ffffffff810d5ea2>] SyS_delete_module+0x192/0x260 Mar 18 13:27:33 venus kernel: [<ffffffff810014d8>] ? exit_to_usermode_loop+0xf8/0x100 Mar 18 13:27:33 venus kernel: [<ffffffff817253e0>] entry_SYSCALL_64_fastpath+0x13/0x94 ============================================================================= Mar 18 13:27:33 venus kernel: firewire_ohci 0000:83:00.0: failed to read phy reg 1 Mar 18 13:27:33 venus kernel: CPU: 16 PID: 9609 Comm: kworker/16:1 Tainted: P IO 4.9.13-rt12 #1 Mar 18 13:27:33 venus kernel: Hardware name: Supermicro X8DAH/X8DAH, BIOS 2.1 12/30/2011 Mar 18 13:27:33 venus kernel: Workqueue: firewire br_work [firewire_core] Mar 18 13:27:33 venus kernel: ffffc9001762fd80 ffffffff813602f2 0000000000000067 ffff88144c4f4000 Mar 18 13:27:33 venus kernel: ffffc9001762fda8 ffffffffa01015cd ffff88144c4f4648 ffff88144c4f4000 Mar 18 13:27:33 venus kernel: 0000000000000001 ffffc9001762fdd0 ffffffffa010160e 0000000000000000 Mar 18 13:27:33 venus kernel: Call Trace: Mar 18 13:27:33 venus kernel: [<ffffffff813602f2>] dump_stack+0x4d/0x6b Mar 18 13:27:33 venus kernel: [<ffffffffa01015cd>] read_phy_reg+0x8d/0xa0 [firewire_ohci] Mar 18 13:27:33 venus kernel: [<ffffffffa010160e>] ohci_read_phy_reg+0x2e/0x50 [firewire_ohci] Mar 18 13:27:33 venus kernel: [<ffffffffa00b499b>] fw_send_phy_config+0xab/0xc0 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffffa00ad2f9>] br_work+0x49/0xb0 [firewire_core] Mar 18 13:27:33 venus kernel: [<ffffffff810740a5>] process_one_work+0x1d5/0x4d0 Mar 18 13:27:33 venus kernel: [<ffffffff810743eb>] worker_thread+0x4b/0x510 Mar 18 13:27:33 venus kernel: [<ffffffff810743a0>] ? process_one_work+0x4d0/0x4d0 Mar 18 13:27:33 venus kernel: [<ffffffff81079dca>] kthread+0xca/0xe0 Mar 18 13:27:33 venus kernel: [<ffffffff81079d00>] ? kthread_park+0x60/0x60 Mar 18 13:27:33 venus kernel: [<ffffffff81725622>] ret_from_fork+0x22/0x30
Does it happen on a kernel without -rt patch too? (I never saw this with my FW643 rev07 and rev08 cards myself, tested in an AM2+/AM780G and an LGA1150/C226 PC, always using mainline preempt kernels.)
This error hasn't shown up since I set quirks=0 (default) and the PCI latency Timer from 128 to 32. The I've had with this driver existed on vanilla 4.9.10. I'll attempt to duplicate a consistent error and will use the vanilla kernel (4.9.13).
I'm going to close this as resolved. with quirks=0x10 or quirks=0. Setting pci latency in bios I am unable to replicate this error with the kernels I'm currently using. For now i'm considering an external hardware fault (device or controller). Can't for the life of me replicate it.