Date: Fri, 14 Feb 2003 03:28:45 -0800 From: Alfred Perlstein <bright@mu.org> To: Dag-Erling Smorgrav <des@ofug.org> Cc: current@freebsd.org, sos@freebsd.org Subject: Re: fix: lock order reversal proc/filedesc. Message-ID: <20030214112845.GG93252@elvis.mu.org> In-Reply-To: <xzpy94jp0l7.fsf@flood.ping.uio.no> References: <20030214103808.GE93252@elvis.mu.org> <xzpwuk3rv75.fsf@flood.ping.uio.no> <20030214110403.GF93252@elvis.mu.org> <xzpy94jp0l7.fsf@flood.ping.uio.no>
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* Dag-Erling Smorgrav <des@ofug.org> [030214 03:23] wrote:
> Alfred Perlstein <bright@mu.org> writes:
> > What exactly is broken about dumps for you on ata?
>
> Well, after you told me that "call dumpsys" is no longer kosher (when
> did that happen, and where was it documented?), I tried 'call doadump':
Whatever, ddb should have a command "dump". Calling directly into
the routine is bad mojo.
> # Debugger("manual escape to debugger")
> Stopped at Debugger+0x50: xchgl %ebx,in_Debugger.0
> db> call doadump
> Dumping 511 MB
> ata1: resetting devices ..
> Context switches not allowed in the debugger.
> db> call cpu_reset
>
> Makes me want to get my Norwegian Sword [tm] and make a short trip to
> Denmark.
Can't blame you, not having working dumps really annoyed me.
> It is becoming increasingly clear to me that the majority of FreeBSD
> developers don't really care if their code works, as long as they get
> the credit (and / or paycheck) for committing it.
Heh...
Back on track, this is bogus, ata should not be calling tsleep() from
the dump routine.
Soren please fix this.
--
-Alfred Perlstein [alfred@freebsd.org]
'Instead of asking why a piece of software is using "1970s technology,"
start asking why software is ignoring 30 years of accumulated wisdom.'
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