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[Bug 333658] New: lots of "Out of SW-IOMMU space" log messages from SATA disks with XEN
- From: bugzilla_noreply@xxxxxxxxxx
- Date: Sat, 13 Oct 2007 06:51:56 -0600 (MDT)
- Message-id: <bug-333658-21960@xxxxxxxxxxxxxxxxxxxxxxxxx/>
https://bugzilla.novell.com/show_bug.cgi?id=333658#c1
Summary: lots of "Out of SW-IOMMU space" log messages from SATA
disks with XEN
Product: openSUSE 10.3
Version: Final
Platform: x86-64
OS/Version: openSUSE 10.3
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Xen
AssignedTo: cgriffin@xxxxxxxxxx
ReportedBy: tilman@xxxxxxx
QAContact: qa@xxxxxxx
Found By: Customer
Intel Pentium D940 on Intel DQ965GF board, two SATA hard disks
fresh install of openSUSE 10.3 64 bit with all available updates
ts@xenon:~> uname -a
Linux xenon 2.6.22.9-0.4-xen #1 SMP 2007/10/05 21:32:04 UTC x86_64 x86_64
x86_64 GNU/Linux
When booting with XEN, /var/log/messages shows many error messages like the
following:
Oct 13 13:27:36 xenon kernel: PCI-DMA: Out of SW-IOMMU space for 32768 bytes at
device 0000:00:1f.2
Oct 13 13:27:36 xenon kernel: ata2.00: exception Emask 0x0 SAct 0x10 SErr 0x0
action 0x0
Oct 13 13:27:36 xenon kernel: ata2.00: cmd 60/f8:20:87:3c:d6/02:00:02:00:00/40
tag 4 cdb 0x0 data 389120 in
Oct 13 13:27:36 xenon kernel: res 40/00:08:e7:30:d6/00:00:02:00:00/40
Emask 0x40 (internal error)
followed by what looks like a reset of the affected disk:
Oct 13 13:27:36 xenon kernel: ata2.00: configured for UDMA/133
Oct 13 13:27:36 xenon kernel: ata2: EH complete
Oct 13 13:27:36 xenon kernel: sd 1:0:0:0: [sdb] 156301488 512-byte hardware
sectors (80026 MB)
Oct 13 13:27:36 xenon kernel: sd 1:0:0:0: [sdb] Write Protect is off
Oct 13 13:27:36 xenon kernel: sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
Oct 13 13:27:36 xenon kernel: sd 1:0:0:0: [sdb] Write cache: enabled, read
cache: enabled, doesn't support DPO or FUA
The frequency of these messages is about 10 per minute after boot but seems to
ebb down later. The affected hard disk is mostly sdb (ata2) which hosts the
root partition, but occasionally also sda (ata1) where /boot and /home reside.
When booting without XEN, no such messages appear.
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Summary: lots of "Out of SW-IOMMU space" log messages from SATA
disks with XEN
Product: openSUSE 10.3
Version: Final
Platform: x86-64
OS/Version: openSUSE 10.3
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Xen
AssignedTo: cgriffin@xxxxxxxxxx
ReportedBy: tilman@xxxxxxx
QAContact: qa@xxxxxxx
Found By: Customer
Intel Pentium D940 on Intel DQ965GF board, two SATA hard disks
fresh install of openSUSE 10.3 64 bit with all available updates
ts@xenon:~> uname -a
Linux xenon 2.6.22.9-0.4-xen #1 SMP 2007/10/05 21:32:04 UTC x86_64 x86_64
x86_64 GNU/Linux
When booting with XEN, /var/log/messages shows many error messages like the
following:
Oct 13 13:27:36 xenon kernel: PCI-DMA: Out of SW-IOMMU space for 32768 bytes at
device 0000:00:1f.2
Oct 13 13:27:36 xenon kernel: ata2.00: exception Emask 0x0 SAct 0x10 SErr 0x0
action 0x0
Oct 13 13:27:36 xenon kernel: ata2.00: cmd 60/f8:20:87:3c:d6/02:00:02:00:00/40
tag 4 cdb 0x0 data 389120 in
Oct 13 13:27:36 xenon kernel: res 40/00:08:e7:30:d6/00:00:02:00:00/40
Emask 0x40 (internal error)
followed by what looks like a reset of the affected disk:
Oct 13 13:27:36 xenon kernel: ata2.00: configured for UDMA/133
Oct 13 13:27:36 xenon kernel: ata2: EH complete
Oct 13 13:27:36 xenon kernel: sd 1:0:0:0: [sdb] 156301488 512-byte hardware
sectors (80026 MB)
Oct 13 13:27:36 xenon kernel: sd 1:0:0:0: [sdb] Write Protect is off
Oct 13 13:27:36 xenon kernel: sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
Oct 13 13:27:36 xenon kernel: sd 1:0:0:0: [sdb] Write cache: enabled, read
cache: enabled, doesn't support DPO or FUA
The frequency of these messages is about 10 per minute after boot but seems to
ebb down later. The affected hard disk is mostly sdb (ata2) which hosts the
root partition, but occasionally also sda (ata1) where /boot and /home reside.
When booting without XEN, no such messages appear.
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