Date: Fri, 19 Oct 2001 17:50:04 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Peter Wemm <peter@FreeBSD.org> Cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org Subject: RE: cvs commit: src/sys/kern kern_shutdown.c Message-ID: <XFMail.011019175004.jhb@FreeBSD.org> In-Reply-To: <200110192332.f9JNW3V11652@freefall.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 19-Oct-01 Peter Wemm wrote: > peter 2001/10/19 16:32:03 PDT > > Modified files: > sys/kern kern_shutdown.c > Log: > Add a sysctl for preventing the sync() in panic() recovery. This can > be so dangerous it isn't funny. eg: if you panic inside NFS or softdep, > and then try and sync you run into held locks and cause either deadlocks, > recursive panics or other interesting chaos. Default is unchanged. Thanks. I'd like to turn this off by default on -current unless there are large objections. At least for the time being since almost all of the attempts to sync disks during a panic right now on -current end up pancing again in bremfree(), which obscures the original panic. -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?XFMail.011019175004.jhb>