Date: Fri, 30 Nov 2018 11:42:19 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r341337 - head/share/man/man4 Message-ID: <201811301142.wAUBgJJP030319@repo.freebsd.org>
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Author: trasz Date: Fri Nov 30 11:42:19 2018 New Revision: 341337 URL: https://svnweb.freebsd.org/changeset/base/341337 Log: Remove the hint for ISA buses; we don't support them anymore. MFC after: 2 weeks Sponsored by: DARPA, AFRL Modified: head/share/man/man4/ddb.4 Modified: head/share/man/man4/ddb.4 ============================================================================== --- head/share/man/man4/ddb.4 Fri Nov 30 11:19:04 2018 (r341336) +++ head/share/man/man4/ddb.4 Fri Nov 30 11:42:19 2018 (r341337) @@ -60,7 +60,7 @@ .\" .\" $FreeBSD$ .\" -.Dd November 10, 2018 +.Dd November 30, 2018 .Dt DDB 4 .Os .Sh NAME @@ -1491,17 +1491,8 @@ might be defined to have special handling, and might be defined to simply panic and reboot. .El .Sh HINTS -On machines with an ISA expansion bus, a simple NMI generation card can be -constructed by connecting a push button between the A01 and B01 (CHCHK# and -GND) card fingers. -Momentarily shorting these two fingers together may cause the bridge chipset to -generate an NMI, which causes the kernel to pass control to -.Nm . -Some bridge chipsets do not generate a NMI on CHCHK#, so your mileage may vary. The NMI allows one to break into the debugger on a wedged machine to diagnose problems. -Other bus' bridge chipsets may be able to generate NMI using bus specific -methods. There are many PCI and PCIe add-in cards which can generate NMI for debugging. Modern server systems typically use IPMI to generate signals to enter the
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