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Date:      Wed, 26 Apr 2017 18:32:13 +0200
From:      Dave Cottlehuber <dch@skunkwerks.at>
To:        freebsd-x11@freebsd.org
Subject:   [drm-next] panic: pfs_add_node() homonymous siblings in sys/fs/pseudofs/pseudofs.c
Message-ID:  <1493224333.1748455.957125280.4E8BA0C9@webmail.messagingengine.com>

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I logged this a while back to FreeBSD and it was closed as its drm-next
only https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217708 also
logged at
https://github.com/FreeBSDDesktop/freebsd-base-graphics/issues/135
 
I get this on starting komodo, a linux-based editor. All it takes is to
launch the program, 5-10 seconds later we have core dump.

Unread portion of the kernel message buffer:
[327] vt_kms_postswitch() at vt_kms_postswitch+0x52/frame
0xfffffe0464f80430
[327] vt_window_switch() at vt_window_switch+0xdb/frame
0xfffffe0464f80470
[327] vtterm_cngrab() at vtterm_cngrab+0x20/frame 0xfffffe0464f80490
[327] cngrab() at cngrab+0x32/frame 0xfffffe0464f804b0
[327] vpanic() at vpanic+0x10a/frame 0xfffffe0464f80530
[327] kassert_panic() at kassert_panic+0x126/frame 0xfffffe0464f805a0
[327] pfs_add_node() at pfs_add_node+0x114/frame 0xfffffe0464f805d0
[327] pfs_create_link() at pfs_create_link+0xc5/frame 0xfffffe0464f80620
[327] linprocfs_dirfill() at linprocfs_dirfill+0x9c/frame
0xfffffe0464f80680
[327] pfs_iterate() at pfs_iterate+0x251/frame 0xfffffe0464f806f0
[327] Dumping 1034 out of 16254 MB: (CTRL-C to abort) 

Suggestions welcomed on anything I can do to move this along.

A+
Dave



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