Public bug reported:
Binary package hint: ubuntu-xen-server
I had been commenting on Bug #135818, however it is marked as fixed.
This issue seems related, but is not identical:
//**********//
Alvin Cura wrote on 2007-11-05: (permalink)
I'm afraid I'm still seeing this bug. Or something similar.
I did not get a kernel panic, but my network died and stayed dead. I
was, however, able to reboot.
Nov 4 16:44:43 xen1 -- MARK --
Nov 4 17:04:36 xen1 kernel: [19235.154900] PCI-DMA: Out of SW-IOMMU space for
7222 bytes at device 0000:03:00.0
Nov 4 17:04:36 xen1 kernel: [19235.157617] PCI-DMA: Out of SW-IOMMU space for
7222 bytes at device 0000:03:00.0
Nov 4 17:04:36 xen1 kernel: [19235.160469] PCI-DMA: Out of SW-IOMMU space for
7222 bytes at device 0000:03:00.0
Nov 4 17:04:36 xen1 kernel: [19235.163254] PCI-DMA: Out of SW-IOMMU space for
7222 bytes at device 0000:03:00.0
Nov 4 17:04:36 xen1 kernel: [19235.166076] PCI-DMA: Out of SW-IOMMU space for
7222 bytes at device 0000:03:00.0
Nov 4 17:04:36 xen1 kernel: [19235.168897] PCI-DMA: Out of SW-IOMMU space for
7222 bytes at device 0000:03:00.0
Nov 4 17:04:36 xen1 kernel: [19235.171727] PCI-DMA: Out of SW-IOMMU space for
7222 bytes at device 0000:03:00.0
Nov 4 17:04:36 xen1 kernel: [19235.174519] PCI-DMA: Out of SW-IOMMU space for
7222 bytes at device 0000:03:00.0
Nov 4 17:04:36 xen1 kernel: [19235.177666] PCI-DMA: Out of SW-IOMMU space for
7222 bytes at device 0000:03:00.0
7222 bytes is likely dictated by my ethernet interface being set for
jumbo frames:
11: eth0: <BROADCAST,MULTICAST,UP,10000> mtu 7200 qdisc pfifo_fast qlen 1000
link/ether 00:1b:fc:1f:33:40 brd ff:ff:ff:ff:ff:ff
this is on the following controller:
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01)
I will proceed with some tests of using different NICs to try to isolate the
behaviour.
Alvin Cura wrote 1 seconds ago: (permalink)
More bad news. Problem is persisting, even with a different NIC
(although also a Realtek, this one a PCI card instead of the onboard):
syslog:Nov 11 23:22:17 xen1 kernel: [ 8113.207809] PCI-DMA: Out of SW-IOMMU
space for 7222 bytes at device 0000:03:05.0
syslog:Nov 11 23:22:40 xen1 kernel: [ 8136.691486] PCI-DMA: Out of SW-IOMMU
space for 7222 bytes at device 0000:03:05.0
syslog:Nov 11 23:23:17 xen1 kernel: [ 8173.209884] PCI-DMA: Out of SW-IOMMU
space for 7222 bytes at device 0000:03:05.0
syslog:Nov 11 23:24:17 xen1 kernel: [ 8233.214080] PCI-DMA: Out of SW-IOMMU
space for 7222 bytes at device 0000:03:05.0
syslog:Nov 11 23:24:32 xen1 kernel: [ 8248.385552] PCI-DMA: Out of SW-IOMMU
space for 7222 bytes at device 0000:03:05.0
03:05.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169
Gigabit Ethernet (rev 10)
-----
Further research yielded the following thread in xen-devel:
http://lists.xensource.com/archives/html/xen-devel/2007-09/msg00138.html
However, more bad news, even setting swiotlb at boottime, the problem
still occurs.
** Affects: xen-meta (Ubuntu)
Importance: Undecided
Status: New
--
Xen 3.1/Gutsy: PCI-DMA: Out of SW-IOMMU space
https://bugs.launchpad.net/bugs/162147
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