[Xen-users] Network problem when using with ACPI

[Otavio Salvador <otavio@xxxxxxxxxxxxxxxx>]

Hello,

I'm having problem in one of my VMs that has a attached PCI network
device. It runs nicely until 4hs of run and then it starts to get
problems.

Bellow goes the syslog output of error:

Oct 23 18:06:18 internet kernel: NETDEV WATCHDOG: pptp0: transmit timed out
Oct 23 18:06:18 internet kernel: pptp0: transmit timed out, tx_status 00 status 
e601.
Oct 23 18:06:18 internet kernel:   diagnostics: net 0cd8 media 8880 dma 
0000003a fifo 0000
Oct 23 18:06:18 internet kernel: pptp0: Interrupt posted but not delivered -- 
IRQ blocked by another device?
Oct 23 18:06:18 internet kernel:   Flags; bus-master 1, dirty 16(0) current 
16(0)
Oct 23 18:06:18 internet kernel:   Transmit list 00000000 vs. ffff880008703200.
Oct 23 18:06:18 internet kernel:   0: @ffff880008703200  length 8000005a status 
0001005a
Oct 23 18:06:18 internet kernel:   1: @ffff8800087032a0  length 8000004e status 
0001004e
Oct 23 18:06:18 internet kernel:   2: @ffff880008703340  length 80000046 status 
00010046
Oct 23 18:06:18 internet kernel:   3: @ffff8800087033e0  length 8000002a status 
0001002a
Oct 23 18:06:18 internet kernel:   4: @ffff880008703480  length 8000002a status 
0001002a
Oct 23 18:06:18 internet kernel:   5: @ffff880008703520  length 80000046 status 
00010046
Oct 23 18:06:18 internet kernel:   6: @ffff8800087035c0  length 8000002a status 
0001002a
Oct 23 18:06:18 internet kernel:   7: @ffff880008703660  length 8000005a status 
0001005a
Oct 23 18:06:18 internet kernel:   8: @ffff880008703700  length 80000046 status 
00010046
Oct 23 18:06:18 internet kernel:   9: @ffff8800087037a0  length 8000002a status 
0001002a
Oct 23 18:06:18 internet kernel:   10: @ffff880008703840  length 8000002a 
status 0001002a
Oct 23 18:06:18 internet kernel:   11: @ffff8800087038e0  length 8000002a 
status 0001002a
Oct 23 18:06:18 internet kernel:   12: @ffff880008703980  length 8000002a 
status 0001002a
Oct 23 18:06:18 internet kernel:   13: @ffff880008703a20  length 8000002a 
status 0001002a
Oct 23 18:06:18 internet kernel:   14: @ffff880008703ac0  length 8000002a 
status 8001002a
Oct 23 18:06:18 internet kernel:   15: @ffff880008703b60  length 8000002a 
status 8001002a

pptp0 is the device. The device works nice if I boot xen hypervisor
with acpi=off.

What information is need to figure out where's the problem?

-- 
Otavio Salvador                  O.S. Systems
E-mail: otavio@xxxxxxxxxxxxxxxx  http://www.ossystems.com.br
Mobile: +55 53 9981-7854         http://projects.ossystems.com.br


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