Andrew Morton wrote:
(I did s/[email protected]/[email protected]/)
Martin Bligh <[email protected]> wrote:
Still crashes in LTP on x86_64:
(introduced in previous release)
http://test.kernel.org/abat/29674/debug/console.log
What a mess. A doublefault inside an NMI watchdog timeout. I think. It's
hard to see. Some CPUs are stuck on a CPU scheduler lock, others seem to
be stuck in flush_tlb_others. One of these could be a consequence of the
other, or both could be a consequence of something else.
OK, well the latest one seems cleaner, on -rc3-mm1.
http://test.kernel.org/abat/30007/debug/console.log
Just has the double fault, with no NMI watchdog timeouts. Not that
it means any more to me, but still ;-) mtest01 seems to be able to
reproduce this every time, but I don't have an appropriate box here
to diagnose it with (this was a 4x Opteron inside IBM), and it's
definitely something in -mm that's not in mainline.
M.
double fault: 0000 [1] SMP
last sysfs file: /devices/pci0000:00/0000:00:06.0/resource
CPU 0
Modules linked in:
Pid: 20519, comm: mtest01 Not tainted 2.6.17-rc3-mm1-autokern1 #1
RIP: 0010:[<ffffffff8047c8b8>] <ffffffff8047c8b8>{__sched_text_start+1856}
RSP: 0000:0000000000000000 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff805d9438
RDX: ffff8100db12c0d0 RSI: ffffffff805d9438 RDI: ffff8100db12c0d0
RBP: ffffffff805d9438 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8100e39bd440 R14: ffff810008003620 R15: 000002b02751726c
FS: 0000000000000000(0000) GS:ffffffff805fa000(0063) knlGS:00000000f7dd0460
CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
CR2: fffffffffffffff8 CR3: 00000000da399000 CR4: 00000000000006e0
Process mtest01 (pid: 20519, threadinfo ffff8100b1bb4000, task
ffff8100db12c0d0)
Stack: ffffffff80579e20 ffff8100db12c0d0 0000000000000001 ffffffff80579f58
0000000000000000 ffffffff80579e78 ffffffff8020b0b2 ffffffff80579f58
0000000000000000 ffffffff80485520
Call Trace: <#DF> <ffffffff8020b0b2>{show_registers+140}
<ffffffff8020b357>{__die+159} <ffffffff8020b3cc>{die+50}
<ffffffff8020bba6>{do_double_fault+115}
<ffffffff8020aa91>{double_fault+125}
<ffffffff8047c8b8>{__sched_text_start+1856} <EOE>
Code: e8 4c ba d8 ff 65 48 8b 34 25 00 00 00 00 4c 8b 46 08 f0 41
RIP <ffffffff8047c8b8>{__sched_text_start+1856} RSP <0000000000000000>
-- 0:conmux-control -- time-stamp -- May/01/06 3:54:37 --
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