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Re: [Xen-devel] "xm save" trouble -- deadlock?
| To: | Gerd Knorr <kraxel@xxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] "xm save" trouble -- deadlock? |
| From: | Ewan Mellor <ewan@xxxxxxxxxxxxx> |
| Date: | Tue, 1 Nov 2005 18:58:00 +0000 |
| Cc: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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On Tue, Nov 01, 2005 at 06:15:27PM +0100, Gerd Knorr wrote:
> Some of the other threads behave in a strange way as well:
>
> master-xen root /vm/ttylinux# strace -p6568
> Process 6568 attached - interrupt to quit
> select(4, [3], [], [], {0, 960000}) = 0 (Timeout)
> futex(0x80e53b8, FUTEX_WAKE, 1) = 0
> accept(3, 0x408193f8, [110]) = -1 EAGAIN (Resource
> temporarily unavailable)
>
> There is no point in calling accept(3) unless select() flags file handle
> #3 as readable.
This mindboggling piece of loveliness is in xen/web/connection.py. If you can
unpick it, a patch would be more than welcome!
Ewan.
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