[hsflinux] HSF Modem hangs my Linux system.

Linuxant support (Jonathan) support at linuxant.com
Tue Feb 28 10:41:43 EST 2006


Red Hat Enterprise Linux 4.x kernels (compatible with CentOS 4.x) are 
compiled with 4K of stacks which is known to be problematic with the HSF 
modem driver.

We offer a pre-compiled RPM of Red Hat Enterprise Linux 4.x kernels 
(fully compatible with CentOS 4.x) with 16K stacks as a convenience for 
our users. You can obtain these kernels at:


Install the 16K kernel and reboot in this new kernel. Finally download 
and install the HSF driver package for this new kernel version. You can 
also obtain it from the HSF driver download page at:



Technical specialist / Linuxant
support at linuxant.com

John Melody wrote:
> Hi,
> I just got a new DELL PowerEdge SC430 with a Conexant Modem installed. I am
> using SME Server Version 7.0 linux distribution ( CENTOS 4.2 ) based.
> The kernel version is 2.6.9-22.0.1.EL. I downloaded V 7.43 for this kernel
> from the Linuxant website.
> Some output which might be of use ...
> [root at ash-cutel ~]# uname -a
> Linux ash-cutel 2.6.9-22.0.1.EL #1 Thu Oct 27 12:26:11 CDT 2005 i686 i686
> i386 GNU/Linux
> [root at ash-cutel ~]# hsfconfig
> Conexant HSF softmodem driver, version
> If you need license keys, assistance or more information, please go to:
>         http://www.linuxant.com/
> When reporting a problem for the first time, please send
> us the file generated by "hsfconfig --dumpdiag".
> Pre-built driver modules that seem compatible with your system were found
> under
> /usr/lib/hsfmodem/modules/binaries/linux-2.6.9-22.0.1.EL.
> Would you like to use them? [yes]
> If I answer [yes] to this - the system hangs completely and has to be
> rebooted.
> THe following is the output from lspci -vv
> 05:04.0 Communication controller: Conexant HSF 56k Data/Fax Modem
>         Subsystem: Conexant: Unknown device 200f
>         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
>         Interrupt: pin A routed to IRQ 11
>         Region 0: Memory at fe6b0000 (32-bit, non-prefetchable) [size=64K]
>         Region 1: I/O ports at dc78 [size=8]
>         Capabilities: [40] 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-
> Anyone have any ideas as to what might be wrong ? Anyone got one of this
> modems working with the above configuration?
> best regards,
> John.
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