Messages in this thread | | | Date | Fri, 11 Apr 2008 11:22:08 -0700 | From | "Yinghai Lu" <> | Subject | Re: regression caused by: genirq: do not leave interupts enabled on free_irq |
| |
On Fri, Apr 11, 2008 at 12:30 AM, Eric W. Biederman <ebiederm@xmission.com> wrote: > > > On Fri, 2008-04-11 at 00:17 -0700, Yinghai Lu wrote: > > On Fri, Apr 11, 2008 at 12:14 AM, Yinghai Lu <yhlu.kernel@gmail.com> wrote: > > > On Fri, Apr 11, 2008 at 12:01 AM, Thomas Gleixner <tglx@linutronix.de> wrote: > > > > On Thu, 10 Apr 2008, Yinghai Lu wrote: > > > > > last week found: > > > > > after latest kernel kexec RHEL 5.1 or other stack kernel, the nvidia > > > > > forcedeth doesn't work anymore. > > > > > > > > > > I stared at forcedeth.c two days. and revert every patches about that > > > > > doesn't help. > > > > > > > > So forcedeth does not come up again, when you kexec from linus.git > > > > into an older distro kernel. Or is it the other way round ? > > > RHEL 5.1 kexec RHEL 5.1 : works > > > RHEL 5.1 kexec linus kernel: works > > > linus (after -rc2) kexec linus tree: works: > > > linus (after -rc2) kexec RHEL 5.1 : forcedeth will not come up > > > linus ( before -rc2 include rc2) kexec RHEL 5.1 works > > > > > the forcedeth can not get IP address... > > Sounds like you are not getting any interrupts when you receive a > packet. (i.e. The interrupt line is staying disabled). > > Is MSI an option here? I'm wondering if we disable the MSI and > something is not enabling it.
after setpci -s 0x00:08.0 0x60.b=0xfe
the eth0 can get ip address with ifup eth0.
YH 00:08.0 Bridge: nVidia Corporation MCP55 Ethernet (rev a3) Subsystem: nVidia Corporation Unknown device cb84 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 0 (250ns min, 5000ns max) Interrupt: pin A routed to IRQ 233 Region 0: Memory at defba000 (32-bit, non-prefetchable) [size=4K] Region 1: I/O ports at 8400 [size=8] Region 2: Memory at defbe800 (32-bit, non-prefetchable) [size=256] Region 3: Memory at defbe400 (32-bit, non-prefetchable) [size=16] Capabilities: [44] Power Management version 2 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable+ DSel=0 DScale=0 PME- Capabilities: [70] MSI-X: Enable- Mask- TabSize=8 Vector table: BAR=2 offset=00000000 PBA: BAR=3 offset=00000000 Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/3 Enable- Address: 00000000fee04000 Data: 406a Capabilities: [6c] HyperTransport: MSI Mapping 00: de 10 73 03 07 00 b0 00 a3 00 80 06 00 00 00 00 10: 00 a0 fb de 01 84 00 00 00 e8 fb de 00 e4 fb de 20: 00 00 00 00 00 00 00 00 00 00 00 00 de 10 84 cb 30: 00 00 00 00 44 00 00 00 00 00 00 00 0a 01 01 14 40: de 10 84 cb 01 70 02 fe 00 01 00 00 0c 00 00 00 50: 05 6c 86 01 00 40 e0 fe 00 00 00 00 6a 40 00 00 60: ff 00 00 00 00 00 00 00 ff 00 00 00 08 00 03 a8 70: 11 50 07 00 02 00 00 00 03 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 11 00 00 00 52 01 00 00 00 00 00 00
00:08.0 Bridge: nVidia Corporation MCP55 Ethernet (rev a3) Subsystem: nVidia Corporation Unknown device cb84 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 0 (250ns min, 5000ns max) Interrupt: pin A routed to IRQ 106 Region 0: Memory at defba000 (32-bit, non-prefetchable) [size=4K] Region 1: I/O ports at 8400 [size=8] Region 2: Memory at defbe800 (32-bit, non-prefetchable) [size=256] Region 3: Memory at defbe400 (32-bit, non-prefetchable) [size=16] Capabilities: [44] Power Management version 2 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable+ DSel=0 DScale=0 PME- Capabilities: [70] MSI-X: Enable- Mask- TabSize=8 Vector table: BAR=2 offset=00000000 PBA: BAR=3 offset=00000000 Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/3 Enable+ Address: 00000000fee07000 Data: 406a Capabilities: [6c] HyperTransport: MSI Mapping 00: de 10 73 03 07 00 b0 00 a3 00 80 06 00 00 00 00 10: 00 a0 fb de 01 84 00 00 00 e8 fb de 00 e4 fb de 20: 00 00 00 00 00 00 00 00 00 00 00 00 de 10 84 cb 30: 00 00 00 00 44 00 00 00 00 00 00 00 0a 01 01 14 40: de 10 84 cb 01 70 02 fe 00 01 00 00 0c 00 00 00 50: 05 6c 87 01 00 70 e0 fe 00 00 00 00 6a 40 00 00 60: fe 00 00 00 00 00 00 00 ff 00 00 00 08 00 03 a8 70: 11 50 07 00 02 00 00 00 03 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 11 00 00 00 52 01 00 00 00 00 00 00
| |