Hi Richard,
Usually this error occurs when the allocator has been told a capability is free when it actually isn't. This is usually due to a capability being duplicated and only one copy being deleted. The error you are seeing is the allocator attempting to use a slot that it thinks is free but is actually not. One approach is to debugging this issue is to not free anything, and slowly re-add calls to free until you find the culprit. You can also use seL4_DebugCapIdentify to test what type of capability it is. Cheers Anna. ________________________________ From: Devel <devel-bounces@sel4.systems> on behalf of Richard Clark <rcl...@i-a-i.com> Sent: Wednesday, 21 February 2018 6:39 AM To: devel@sel4.systems Subject: [seL4] split.c bootstrap.c failure? Hi! What is this error and how might I go about tracking down the cause? <<seL4(CPU 0) [decodeUntypedInvocation/167 T0xe0792100 "csm-threads" @3a98c]: Untyped Retype: Slot #15 in destination window non-empty.>> _refill_pool@split.c:177 Failed to retype untyped, error 8 vka_alloc_object_at_maybe_dev@object.h:59 Failed to allocate object of size 4096, error 1 alloc_and_map@bootstrap.c:103 Failed to allocate bootstrap frame, error: 1 What I've done, is taken over the usual sel4test process and turned it into a little process that starts a few others. This error occurs at near the beginning of the main process, after it has allocated some untyped space for a secondary process, and just started it running. There is tons of memory available everywhere, and I do not understand why this is failing.... clues? Thanks! Richard H. Clark ________________________________ This message and all attachments are PRIVATE, and contain information that is PROPRIETARY to Intelligent Automation, Inc. You are not authorized to transmit or otherwise disclose this message or any attachments to any third party whatsoever without the express written consent of Intelligent Automation, Inc. If you received this message in error or you are not willing to view this message or any attachments on a confidential basis, please immediately delete this email and any attachments and notify Intelligent Automation, Inc.
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