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Date: Sun,  2 Jan 2000 12:44:59 -0800 (PST)
From: freebsd@furka.zuo.cpqcorp.net
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Subject: alpha/15846: Alpha hangs when using ppp/tun - no error
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>Number:         15846
>Category:       alpha
>Synopsis:       Alpha hangs when using ppp/tun - no error
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-alpha
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Jan  2 12:50:00 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     Pascal Pederiva
>Release:        4.0-19991225-CURRENT
>Organization:
>Environment:
FreeBSD 4.0-19991225-CURRENT FreeBSD 4.0-19991225 #7: Sat Jan 1 01:55:05 CET 2000
root@router.paped.com:/usr/src/sys/compile/ALPHA1 alpha

- AlphaServer 400 4/233
- Alpha Station 4/266
>Description:
Usermode ppp using tun and sio on either AlphaServer 400 4/233 or
Alpha Station 4/266 works fine for about 5 minutes, then hangs the
system completly. (no ping,no response on the console).
Can be forced by transferring data (http and ftp tried).
>How-To-Repeat:
Setup user mode ppp, use ppp-link to transfer data via one of the
builtin serial ports.
Custom Kernels as well as generic kernel shows same behaviour.
>Fix:
- How to force a crash with FreeBSD ?
- Make indicates that ev56 instructions are used .. those are ev4
  Systems, could that be a problem ? Could not build kernel for ev4.

>Release-Note:
>Audit-Trail:
>Unformatted:


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