Changes between Version 1 and Version 2 of Ticket #231


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Timestamp:
2010-06-07T16:38:42Z (14 years ago)
Author:
Martin Decky
Comment:

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  • Ticket #231 – Description

    v1 v2  
    1 After applying the attached changes on top of changeset:head,377, I am observing (under Qemu 0.11.?, 0.12.2+3) what appears to be more than one CPU in a spinlock-protected critical section.
     1After applying the attached changes on top of changeset:mainline,377, I am observing (under Qemu 0.11.?, 0.12.2+3) what appears to be more than one CPU in a spinlock-protected critical section.
    22
    33In order to figure out more, I improved the spinlock code to be more sensitive to random lock corruption (which I can thus rule out) and also to be more observable by providing a global ring buffer for recording the locking history. See the attachement to see the diff. I am also going to attach screenshots which illustrate the panics.