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    SubjectRe: 2.6.17-rc5-mm1

    > That did seem to get rid of the original error. However, I'm now
    > experiencing a reiserfs4 panic so I'm not 100% confident the problem
    > really is gone, but the reiserfs panic isn't anywhere as near hard as
    > the panic's I have been experiencing; I was able to reboot the machine
    > even though the tests were not completing correctly. Full panic for
    > that one is below:

    Get the same exact panic on ia32 NUMA-Q (just posted it, but for
    reference, there's a copy here:
    http://test.kernel.org/abat/34623/debug/console.log
    ). But only in -mm3, not -mm2, so
    probably it's intermittent if you were already seeing it on -mm1?

    PS. I think the reiser4 thing was a typo, it's generic by the looks
    of it, and I don't think we test reiser4, is probably ext3 or 2.

    > general protection fault: 0000 [1] SMP
    > last sysfs file: /devices/pci0000:00/0000:00:06.0/resource
    > CPU 1
    > Modules linked in:
    > Pid: 19163, comm: mkdir09 Not tainted 2.6.17-rc5-mm2-autokern1 #1
    > RIP: 0010:[<ffffffff802412b0>] [<ffffffff802412b0>]
    > check_deadlock+0x1f/0x117
    > RSP: 0000:ffff8101fb803dd8 EFLAGS: 00010002
    > RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
    > RDX: ffff8101f3e64000 RSI: 0000000000000001 RDI: 2222222222222222
    > RBP: ffff8101fb803df8 R08: 0000000000000000 R09: ffff8101fb803e68
    > R10: ffff8101fb802000 R11: 00000000ffffff9c R12: ffff8101fcafa7b0
    > R13: 2222222222222222 R14: 2222222222222222 R15: 0000000000000000
    > FS: 000000000804a020(0000) GS:ffff8100e3f27e40(0063) knlGS:00000000f7e15460
    > CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
    > CR2: 00000000f7ee2090 CR3: 00000001f4dce000 CR4: 00000000000006e0
    > Process mkdir09 (pid: 19163, threadinfo ffff8101fb802000, task
    > ffff8101fdd4b0d0)
    > Stack: 0000000000000000 ffff8101fcafa7b0 ffff8101f3ae5988 2222222222222222
    > ffff8101fb803e28 ffffffff80241361 ffff8101f3ae5988 ffff8101fb802000
    > ffff8101fb803e68 ffff8101fdd4b0d0
    > Call Trace:
    > [<ffffffff80241361>] check_deadlock+0xd0/0x117
    > [<ffffffff80241574>] debug_mutex_add_waiter+0x57/0x6f
    > [<ffffffff8048cf47>] __mutex_lock_slowpath+0xc7/0x232
    > [<ffffffff802800bc>] do_path_lookup+0x258/0x29c
    > [<ffffffff8048d0bb>] mutex_lock+0x9/0xb
    > [<ffffffff802816db>] do_rmdir+0x84/0xfc
    > [<ffffffff80281764>] sys_rmdir+0x11/0x13
    > [<ffffffff8021c2d6>] ia32_sysret+0x0/0xa
    >
    >
    > Code: 48 8b 57 18 48 85 d2 0f 84 e2 00 00 00 4c 8b 22 45 31 f6 49
    > RIP [<ffffffff802412b0>] check_deadlock+0x1f/0x117 RSP <ffff8101fb803dd8>
    > NMI Watchdog detected LOCKUP on CPU 0
    > CPU 0
    > Modules linked in:
    > Pid: 19164, comm: mkdir09 Not tainted 2.6.17-rc5-mm2-autokern1 #1
    > RIP: 0010:[<ffffffff8048d626>] [<ffffffff8048d626>]
    > .text.lock.mutex+0x2f/0x65
    > RSP: 0000:ffff8101f3e65e98 EFLAGS: 00000086
    > RAX: 0000000000000000 RBX: ffff81007b8ec748 RCX: 0000000000000012
    > RDX: 0000000000000000 RSI: 0000000000000012 RDI: ffff8101f3ae5988
    > RBP: ffff8101f3e65eb8 R08: ffff8101803f6cf8 R09: ffff81007b8ec748
    > R10: 000000000000002f R11: 0000000000000000 R12: ffff8101f3ae5988
    > R13: 0000000000000246 R14: 0000000000000000 R15: 0000000000000000
    > FS: 000000000804a020(0000) GS:ffffffff8061b000(0063) knlGS:00000000f7e15460
    > CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
    > CR2: 00000000f7ed5cc0 CR3: 00000001f52e4000 CR4: 00000000000006e0
    > Process mkdir09 (pid: 19164, threadinfo ffff8101f3e64000, task
    > ffff8101fcafa7b0)
    > Stack: 0000000000000012 ffff81007b8ec748 0000000000000000 ffff81007b92a000
    > ffff8101f3e65ec8 ffffffff8048d2a3 ffff8101f3e65f68 ffffffff8028172a
    > ffff8101f4dd49b8 ffff810180051ec0
    > Call Trace:
    > [<ffffffff8048d2a3>] mutex_unlock+0x9/0xb
    > [<ffffffff8028172a>] do_rmdir+0xd3/0xfc
    > [<ffffffff80281764>] sys_rmdir+0x11/0x13
    > [<ffffffff8021c2d6>] ia32_sysret+0x0/0xa
    >
    > -apw

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