Messages in this thread | | | From | Paolo Ornati <> | Subject | ISDN in 2.6.0-testX | Date | Thu, 4 Dec 2003 14:32:46 +0100 |
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Is anyone working to get ISDN (hisax driver ;) work in 2.6.0-textX kernels?
My problem is a "totally kernel freeze" trying to load hisax module... this happens in all 2.6.0-testX kernels.
My ISDN card: "Hamlet PCI ISDN CARD":
00:0d.0 Network controller: Cologne Chip Designs GmbH ISDN network controller [HFC-PCI] (rev 02) Subsystem: Cologne Chip Designs GmbH ISDN Board Flags: bus master, medium devsel, latency 16, IRQ 5 I/O ports at 8400 [disabled] [size=8] Memory at df000000 (32-bit, non-prefetchable) [size=256] Capabilities: [40] Power Management version 1
My CONFIG: (2.6.0-testX)
# ISDN subsystem # CONFIG_ISDN_BOOL=y # # Old ISDN4Linux # CONFIG_ISDN=y CONFIG_ISDN_PPP=y CONFIG_ISDN_PPP_VJ=y
# # ISDN4Linux hardware drivers # # # Passive cards # CONFIG_ISDN_DRV_HISAX=m # # D-channel protocol features # CONFIG_HISAX_EURO=y CONFIG_HISAX_MAX_CARDS=1 # # HiSax supported cards # CONFIG_HISAX_HFC_PCI=y
PROBLEM DESCRIPTION: when I try to load the "hisax" module the kernel freezes, I can only push the reset button. The last line printed is "HFC_PCI: resetting card".
Using some "printk" I found the point where the freeze happens:
drivers/isdn/hisax/hfc_pci.c --> hfcpci_reset(struct IsdnCardState *cs) ... /* Finally enable IRQ output */ cs->hw.hfcpci.int_m2 = HFCPCI_IRQ_ENABLE; Write_hfc(cs, HFCPCI_INT_M2, cs->hw.hfcpci.int_m2); <-- HERE! if (Read_hfc(cs, HFCPCI_INT_S2)); ...
So the problem happens trying to enable IRQ on the ISDN Card.... Has anyone an idea of what can be wrong? (The problem isn't about CONFIG_PREEMPT because I try with and without it).
Bye
-- Paolo Ornati Linux v2.4.23
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