Date: Fri, 6 Oct 2006 14:31:09 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Vivek Khera <vivek@khera.org> Cc: Kostik Belousov <kostikbel@gmail.com>, stable@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: ffs snapshot lockup Message-ID: <20061006183108.GA16801@xor.obsecurity.org> In-Reply-To: <F314836D-7A2D-416A-8705-33F6E2EE6196@khera.org> References: <555B84D2-520F-44D6-84D6-CF9CE7EE47C7@khera.org> <20060922203654.GA65693@xor.obsecurity.org> <847DD3A5-D5DD-4D3E-B755-64B13D1DA506@khera.org> <20061003084315.GA89654@deviant.kiev.zoral.com.ua> <40CE3CF0-49D2-4335-A0B8-34B5251E9E19@khera.org> <20061005083027.GK89654@deviant.kiev.zoral.com.ua> <5178C89F-B645-4A82-A7C9-FC09D458FE30@khera.org> <20061006073950.GD26993@deviant.kiev.zoral.com.ua> <20061006175714.GA15880@xor.obsecurity.org> <F314836D-7A2D-416A-8705-33F6E2EE6196@khera.org>
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[-- Attachment #1 --] On Fri, Oct 06, 2006 at 02:11:05PM -0400, Vivek Khera wrote: > > On Oct 6, 2006, at 1:57 PM, Kris Kennaway wrote: > > >>This is very strange. You 3 instances of getty where just reading the > >>tty input, and all suspectible processes (like sshd) are waiting > >>on net > >>events. No processes are blocked on the fs. One nfsd is serving > >>the request, > >>and dump is active. > > > >To repeat something I said earlier: when creating a snapshot > >(e.g. which dump -L does), the entire system may become unresponsive > >untilk the snapshot completes, which can take many minutes. > > I know snapshot takes a while -- we're used to that. OK, thanks for confirming. > I'm now convinced it was all stemming from some bug in bge driver (at > least for my specific chipset.) Last night I put in an old spare > 3c905 NIC and turned off the motherboard bge via BIOS. We'd be interested in diagnosing this problem separately; can you set up a test machine with this card and give me access to it? Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFJqDrWry0BWjoQKURApOFAJ9N77KltHrpHaNEJIoQYjrFCWFPcACcD5Kk b36nvXAQ+BcacEBWxrzNYT4= =8l59 -----END PGP SIGNATURE-----
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