Date: Fri, 25 May 2001 11:18:44 -0700 From: Tamiji Homma <thomma@baynetworks.com> To: jhb@freebsd.org Cc: freebsd-current@freebsd.org, alfred@freebsd.org Subject: RE: Panic vm_page_alloc(sendfile) Message-ID: <20010525111844N.thomma@baynetworks.com> In-Reply-To: Your message of "Fri, 25 May 2001 10:47:51 -0700 (PDT)" <XFMail.010525104751.jhb@FreeBSD.org> References: <XFMail.010525104751.jhb@FreeBSD.org>
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John,
Thank you for quick patch. But I hate to report "The patch didn't work."
You need another patch to try ;-)
Here is trace back. I omitted details (I still do hand copy)
If you need exact trace back, I'll have to setup serial port.
panic: mutex vm not owned at ../../vm/vm_page.h:320
Debugger("panic")
Stop at Debugger+0x44: pushl %ebx
db> trace
Debugger
panic
_mtx_assert
vm_page_unwire
sf_buf_free
sbdrop
tcp_input
ip_input
ipintr
swi_net
ithread_loop
fork_exit
fork_trampoline
Tammy
From: John Baldwin <jhb@freebsd.org>
Subject: RE: Panic vm_page_alloc(sendfile)
Date: Fri, 25 May 2001 10:47:51 -0700 (PDT)
Message-ID: <XFMail.010525104751.jhb@FreeBSD.org>
jhb>
jhb> On 25-May-01 Tamiji Homma wrote:
jhb> > Hi,
jhb> >
jhb> > I noticed this panic for last few days on my -current
jhb> > sandbox laptop.
jhb> >
jhb> > When I do FTP get file from the machine running
jhb> > -current causes panic like below (hand copied).
jhb> >
jhb> > The machine running ftpd panics not FTP client side.
jhb> > I have not tried FTP put yet... It may panic at FTP
jhb> > client side as well.
jhb> >
jhb> > My last cvsup was around 22:00 PDT on May 24 2001.
jhb> >
jhb> > panic: mutex vm not owned at ../../vm/vm_page.c:755
jhb> > Debugger("panic")
jhb> > db> trace
jhb> > Debugger(c038865b) at Debugger+0x44
jhb> > panic(c0387828,c03a0554,c03a1eaf,2f3,0) at panic+0x70
jhb> > _mtx_assert(c045ca20,1,c03a1eaf,2f3) at _mtx_assert+0x49
jhb> > vm_page_alloc(c8bcc9c0,0,0,c8b04b9c,c8b04a80) at vm_page_alloc+0x22
jhb> > sendfile(c8b04a80,c8b43f80,0,0,381508) at sendfile+0x31e
jhb> > syscall(2f,2f,2f,381508,0) at syscall+0x689
jhb> > syscall_with_err_pushed() at syscall_with_err_pushed+0x1b
jhb> >
jhb> > PS: I am not subscribed to -current but subscribed to
jhb> > current-digest so if it is already reported/fixed, sorry...
jhb>
jhb> Cool, thanks for the bug report. Please try the patch at
jhb> http://www.FreeBSD.org/~jhb/patches/sendfile.patch.
jhb>
jhb> --
jhb>
jhb> John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
jhb> PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
jhb> "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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