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Re: [Xen-devel] BUG: x86-64 VT crash backtrace
| To: | Rik van Riel <riel@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] BUG: x86-64 VT crash backtrace |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Tue, 25 Jul 2006 17:57:59 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, jun.nakajima@xxxxxxxxx |
| Delivery-date: | Tue, 25 Jul 2006 09:58:23 -0700 |
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| In-reply-to: | <44C6408E.4070700@xxxxxxxxxx> |
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On 25 Jul 2006, at 17:02, Rik van Riel wrote: Hi Jun,here is the x86-64 VT crash backtrace, as promised. I can trigger it within minutes by simply starting up a 64 bit VT domain on a 64 bit system. The hideously long (but apparently valid) call sequence has overflowed the 4kB Xen stack. Given that stacks are only per-cpu on x86 Xen, I should probably just make them bigger (perhaps 8kB on debug builds, 16kB on non-debug builds). 64-bit non-debug builds already have (almost) 8kB stacks, so shouldn't see this crash. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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