This should resolve the problem starting X.
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From: Alan Cox <[EMAIL PROTECTED]>
Date: Sun, 5 Oct 2003 15:23:44 -0700 (PDT)
To: [EMAIL PROTECTED], [EMAIL PROTECTED],
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Subject: cvs commit: src/sys/vm device_pager.c
X-FreeBSD-CVS-Branch: HEAD
Precedence: bulk
X-Loop: FreeBSD.ORG
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alc 2003/10/05 15:23:44 PDT
FreeBSD src repository
Modified files:
sys/vm device_pager.c
Log:
The addition of a locking assertion to vm_page_zero_invalid() has revealed
a long-time bug: vm_pager_get_pages() assumes that m[reqpage] contains a
valid page upon return from pgo_getpages(). In the case of the device
pager this page has been freed and replaced by a fake page. The fake page
is properly inserted into the vm object but m[reqpage] is left pointing
to a freed page. For now, update m[reqpage] to point to the fake page.
Submitted by: tegge
Revision Changes Path
1.69 +1 -0 src/sys/vm/device_pager.c
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