My 4 port usb card with the chip VT6202 works only with 2 Ports. My Kernel is
2.6.7.
Kernel messages:
Jun 18 16:41:01 superbyte kernel: PCI: Found IRQ 9 for device 0000:00:0c.2
Jun 18 16:41:01 superbyte kernel: PCI: Sharing IRQ 9 with 0000:00:0a.0
Jun 18 16:41:01 superbyte kernel: ehci_hcd 0000:00:0c.2: VIA Technologies,
Inc. USB 2.0
Jun 18 16:41:01 superbyte kernel: ehci_hcd 0000:00:0c.2: irq 9, pci mem
d8961f00
Jun 18 16:41:01 superbyte kernel: ehci_hcd 0000:00:0c.2: new USB bus
registered, assigned bus number 4
Jun 18 16:41:01 superbyte kernel: ehci_hcd 0000:00:0c.2: USB 2.0 enabled, EHCI
0.95, driver 2004-May-10
Jun 18 16:41:01 superbyte kernel: hub 4-0:1.0: USB hub found
Jun 18 16:41:01 superbyte kernel: hub 4-0:1.0: 4 ports detected
Jun 18 16:41:01 superbyte kernel: hub 4-0:1.0: over-current change on port 3
Jun 18 16:41:01 superbyte kernel: hub 4-0:1.0: over-current change on port 4
Port 3 and 4 are not working.
/proc/interrupts:
9: 144510 XT-PIC EMU10K1, ehci_hcd
but also when rmmod the emu10k1 (means unshared irq?) the same problem
accours.
/proc/iomem:
efffff00-efffffff : 0000:00:0c.2
efffff00-efffffff : ehci_hcd
lspci:
0000:00:0c.2 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 51) (prog-if
20 [EHCI])
Subsystem: VIA Technologies, Inc. (Wrong ID): Unknown device 1234
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 64, Cache Line Size: 0x10 (64 bytes)
Interrupt: pin C routed to IRQ 9
Region 0: Memory at efffff00 (32-bit, non-prefetchable)
Capabilities: [80] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA PME(D0
+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
I would be glad to hear from you, independantly if you want more info or have
an idea how to patch the problem.
mfg Markus
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