[Qemu-devel] Re: Network connections stalling (due to lost interrupts/ticks?)

2007-08-06 Thread Charles Duffy
[Resending as the last copy seems to have been lost in the ether -- it certainly isn't in the GMANE archive] Well, behavior with the patch applied is certainly different. The large download I'm running still times out; however, it is now able to resume without needing to bring the interface down

Re: [Qemu-devel] Re: Network connections stalling (due to lost interrupts/ticks?)

2007-08-03 Thread Luke -Jr
;[EMAIL PROTECTED]> > > To: [EMAIL PROTECTED]; qemu-devel@nongnu.org > > Sent: Friday, August 3, 2007 8:18:50 AM > > Subject: Re: [Qemu-devel] Re: Network connections stalling (due to > > lost interrupts/ticks?) > > > > Charles, > > > > Are you

[Qemu-devel] Re: Network connections stalling (due to lost interrupts/ticks?)

2007-08-03 Thread Charles Duffy
Well, behavior with the patch applied is certainly different. The large download I'm running still times out; however, it is now able to resume without needing to bring the interface down and back up. However, after the first timeout, subsequent timeouts occur with much greater frequency -- still

Re: [Qemu-devel] Re: Network connections stalling (due to lost interrupts/ticks?)

2007-08-03 Thread Jason Wessel
m: Jason Wessel <[EMAIL PROTECTED]> To: [EMAIL PROTECTED]; qemu-devel@nongnu.org Sent: Friday, August 3, 2007 8:18:50 AM Subject: Re: [Qemu-devel] Re: Network connections stalling (due to lost interrupts/ticks?) Charles, Are you willing to try an experimental patch? Perhaps you could try

Re: [Qemu-devel] Re: Network connections stalling (due to lost interrupts/ticks?)

2007-08-03 Thread n schembr
essel <[EMAIL PROTECTED]> To: [EMAIL PROTECTED]; qemu-devel@nongnu.org Sent: Friday, August 3, 2007 8:18:50 AM Subject: Re: [Qemu-devel] Re: Network connections stalling (due to lost interrupts/ticks?) Charles, Are you willing to try an experimental patch? Perhaps you could try the attache

Re: [Qemu-devel] Re: Network connections stalling (due to lost interrupts/ticks?)

2007-08-03 Thread Jason Wessel
Charles, Are you willing to try an experimental patch? Perhaps you could try the attached patch and post back if it happens to solve your problem. There is most definitely a problem where qemu can get hung up indefinitely after an "interrupt storm". I had not ever submitted it because there

[Qemu-devel] Re: Network connections stalling

2007-08-02 Thread Charles Duffy
This appears to only happen with -net tap; I cannot reproduce the issue with -net user.

[Qemu-devel] Re: Network connections stalling

2007-08-02 Thread Charles Duffy
This loss of connectivity is still happening; at least within my environment, it's quite reproducible. While I've eliminated the message about being unable to set the RTC to 1024Hz by recompiling my host kernel without CONFIG_HPET_RTC_IRQ, the host's kernel is frequently complaining "rtc: lost some

[Qemu-devel] Re: Network connections stalling (due to lost interrupts/ticks?)

2007-08-02 Thread Charles Duffy
Charles Duffy wrote: > There's a warning on startup that the system can't set a 1024Hz timer, > which persists even after I set /proc/sys/dev/rtc/max-user-freq to 1024, > and I occasionally get warnings at runtime ("Your time source seems to > be instable or some driver is hogging interrupts"). Th