Date: Mon, 11 Apr 2005 04:49:16 +0200 From: "Daniel Eriksson" <daniel_k_eriksson@telia.com> To: "'FreeBSD Current'" <freebsd-current@freebsd.org> Cc: 'Pawel Jakub Dawidek' <pjd@freebsd.org> Subject: ggate and mmap, possible problem? Message-ID: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA0VcX9IoJqUaXPS8MjT1PdsKAAAAQAAAAUjVS%2BOSdfk6HdP3/8g9ZQAEAAAAA@telia.com>
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Hi! Is it possible that there is some sort of problem using mmap on a (UFS2) filesystem mounted over ggate? I keep getting errors on the console when I enable mmap on a server running a proprietary video server application (which is a binary compiled on FBSD 4.11 afaik). I don't have access to the source code for the server app unfortunately (but I do have some access to the developers). I'm pretty sure that with mmap enabled in the server, it tries to mmap all files smaller than 50MB (most are 20-50MB). The errors look like this: g_vfs_done():ggate0[READ(offset=-1009882480640, length=65536)]error = 5 vnode_pager_getpages: I/O read error vm_fault: pager read error, pid 1527 (mcvidserv) This could certainly be a problem in the proprietary server, but I thought I'd ask here too. This is on a recent 6-CURRENT system. /Daniel Eriksson
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