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xen-devel
Re: [Xen-devel] Re: DomU panic in net_rx_action *initiated by another Do
On 2 Nov 2005, at 13:54, Charles Duffy wrote:
I think this issue is at least approximately understood, and is
present
in all xen x86_64 kernels:
rogue read-only mappings to linux heap pages left over from the
'initial
mapping' are preventing the netfront driver unmapping pages to hand
over
as rx free buffers. This is compounded by the failure handling path
being slightly borked.
I'm sorry to be a bother -- but is there any ETA on a fix, or a
bugzilla entry by which I can track this issue? The only
netfront-related checkin I see to bugzilla is a fix for bug#183, and
that appears to be distinct (I'm not getting the "#### netfront can't
alloc rx grant refs", and so would appear not to be hitting that
code).
This is happening quite frequently for me, even when I'm *not* using
the kernel with the unstable module which triggers it every time.
If there is no bugzilla entry, I'd be glad to start one -- but since
the issue is described as already understood, it sounds like there's
likely already a bug for it that I'm just not seeing.
If latest unstable still exhibits this bug, you should definitely open
a bugzilla entry.
-- Keir
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