On Fri, 11 Jun 2010, Jack Vogel wrote:
Odd though, because that code is in the driver on a system with 16 cores and
I'm
not hearing about any problem from my test engineer.
So this makes it all go away:
--- //depot/user/bz/vimage/src/sys/dev/ixgbe/ixgbe.c 2010-06-09
07:53:30.000000000 0000
+++ /zoo/bz/p4/bz_vimage/src/sys/dev/ixgbe/ixgbe.c 2010-06-09
07:53:30.000000000 0000
--- /tmp/tmp.96356.27 2010-06-11 16:19:14.000000000 -0400
+++ /zoo/bz/p4/bz_vimage/src/sys/dev/ixgbe/ixgbe.c 2010-06-11
16:16:02.000000000 -0400
@@ -3637,7 +3637,7 @@ ixgbe_setup_receive_ring(struct rx_ring
goto skip_head;
/* First the header */
- rxbuf->m_head = m_gethdr(M_WAITOK, MT_DATA);
+ rxbuf->m_head = m_gethdr(M_DONTWAIT, MT_DATA);
if (rxbuf->m_head == NULL) {
error = ENOBUFS;
goto fail;
@@ -3659,7 +3659,7 @@ ixgbe_setup_receive_ring(struct rx_ring
skip_head:
/* Now the payload cluster */
- rxbuf->m_pack = m_getjcl(M_WAITOK, MT_DATA,
+ rxbuf->m_pack = m_getjcl(M_DONTWAIT, MT_DATA,
M_PKTHDR, adapter->rx_mbuf_sz);
if (rxbuf->m_pack == NULL) {
error = ENOBUFS;
Are they running with WITNESS enabled to see the locking warnings?
/bz
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