[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Fwd: Debugging "Xen BUG at ... list.h" on ARM
On 14 April 2014 13:00, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote: > On Mon, 2014-04-14 at 10:30 +0100, Thomas Leonard wrote: >> Sorry, you're right, I added an extra assert there. Here's a stack >> trace with a clean build (stable-4.4 branch + debug=y): >> >> (XEN) Assertion 'entry->next->prev == entry' failed, line 175, file >> /home/tal/work/cubieboard/xen/xen/include/xen/list.h >> (XEN) Xen BUG at /home/tal/work/cubieboard/xen/xen/include/xen/list.h:175 >> (XEN) CPU1: Unexpected Trap: Undefined Instruction >> (XEN) ----[ Xen-4.4.1-pre arm32 debug=y Not tainted ]---- [...] >> (XEN) Xen call trace: >> (XEN) [<002414cc>] __bug+0x28/0x44 (PC) >> (XEN) [<002414cc>] __bug+0x28/0x44 (LR) >> (XEN) [<0022e32c>] set_timer+0x1d0/0x278 >> (XEN) [<00250480>] virt_timer_save+0x88/0x90 > > > This presumably implies that the timer is already active, which it > really shouldn't be while the vcpu is scheduled. > > The guest here is the same stuff as > https://github.com/talex5/xen-paratest ? Yes (the master branch, commit 22e3b9bf). It doesn't always give the same output, even from clean boot. Here are some more samples (attached). -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA Attachment:
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