Date: Sat, 23 Mar 2002 10:35:20 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: Willie Viljoen <will@laserfence.net> Cc: freebsd-fs@freebsd.org, freebsd-bugs@freebsd.org Subject: Re: Soft update instability with heavy IO and offboard IDE controller Message-ID: <3C9CCAE8.4A9B9FB6@mindspring.com> References: <20020323195007.K189-100000@phoenix.vh.laserfence.net>
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Disable write caching on the drives. THis is a FAQ. -- Terry Willie Viljoen wrote: > > I'm posting this to both lists as a matter of interest, my apologies to > whoever should not be reading this. > > I recently installed an off-board IDE controller to manage a large hard > drive in my system. > > FreeBSD has been exhibiting some rather unsettling instabilities, which > usually culminate in a kernel panic. > > Upon reboot after the panic, all the file systems on the drive in question > have hundreds of softupdate inconsistencies. > > I searched the mailing list archives and found a similar bug involved with > striped vinum volumes and unmounting after heavy I/O. > > I have encountered the bug with the GENERIC kernel included with FreeBSD > 4.5-RELEASE, and all 4.5-STABLE kernels I have built after installation. > > It only seems to occur when the drive is handling heavy I/O operations, > notably during a make world, or a large file copy, and even once when I > recursively changed ownership for an entire directory in /usr/home. (The > drive handles all filesystems except /) > > The IDE controller is a CMD-649 PCI ATA-100 controller. CMD state on their > web site that they do not provide end-user support or hardware. The > hardware vendor, STLab, does not seem to exist. > > Have I been looking in the wrong place, or simply not looking hard > enough, is this a known bug and if so how can I fix it? > > Kind Regards > Willie Viljoen > > -- > Willie Viljoen > Private IT Consultant > > 214 Paul Kruger Avenue > Universitas > Bloemfontein > 9321 > > South Africa > > +27 51 522 15 60, a/h +27 51 522 44 36 > +27 82 404 03 27 > > will@laserfence.net > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-fs" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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