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[Bug runtime/14348] Systemtap systemtap.base/buildid.exp hangs on F17 machines
- From: "fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Tue, 17 Jul 2012 19:18:24 +0000
- Subject: [Bug runtime/14348] Systemtap systemtap.base/buildid.exp hangs on F17 machines
- Auto-submitted: auto-generated
- References: <bug-14348-6586@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=14348
Frank Ch. Eigler <fche at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fche at redhat dot com
--- Comment #3 from Frank Ch. Eigler <fche at redhat dot com> 2012-07-17 19:18:24 UTC ---
>From that last attachment:
[ 283.666010] <EOI>
[ 283.666010] [<ffffffff812c6b48>] ? __rb_rotate_right+0x8/0x90
[ 283.666010] [<ffffffff812c6ce0>] ? rb_insert_color+0x110/0x150
[ 283.666010] [<ffffffff8114b140>] __vma_link_rb+0x30/0x40
[ 283.666010] [<ffffffff8114b1c8>] vma_link+0x78/0xe0
[ 283.666010] [<ffffffff8114ce2d>] mmap_region+0x56d/0x630
[ 283.666010] [<ffffffff8114d23d>] do_mmap_pgoff+0x34d/0x3a0
[ 283.666010] [<ffffffff8114d4ed>] do_mmap+0x2d/0x40
[ 283.666010] [<ffffffff815ed6aa>] elf_map+0x119/0x14a
[ 283.666010] [<ffffffff811d04a9>] load_elf_binary+0x5e9/0x18f0
[ 283.666010] [<ffffffff81186eb5>] ? copy_strings.isra.24+0x2b5/0x300
[ 283.666010] [<ffffffff811cfec0>] ? notesize.isra.6+0x30/0x30
[ 283.666010] [<ffffffff811871f7>] search_binary_handler+0x117/0x320
[ 283.666010] [<ffffffff81188734>] do_execve_common.isra.28+0x434/0x500
[ 283.666010] [<ffffffff8118881b>] do_execve+0x1b/0x20
[ 283.666010] [<ffffffff8101c3c7>] sys_execve+0x47/0x70
[ 283.666010] [<ffffffff815fcdec>] stub_execve+0x6c/0xc0
This looks very familiar; it resembles the kinds of failures I was wrestling
with just before releasing 1.8, when testing linux-next kernels. The apparent
hang appeared to be corruption of the rbtree data structure, to give it loops
where there ought be none.
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