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[Bug runtime/2816] New: systemtap.samples/transport.exp oops on x86-64


The system oops when running the systemtap.samples/transport.exp test on a
x86_64 rawhide (fc6) machine with the following kernel and systemtap

$ uname -a
Linux dhcp59-221.rdu.redhat.com 2.6.16-1.2289_FC6 #1 SMP Thu Jun 15 14:31:12 EDT
2006 x86_64 x86_64 x86_64 GNU/Linux
$ stap -V
SystemTap translator/driver (version 0.5.7 built 2006-06-05)
(Using Red Hat elfutils 0.120 libraries.)
Copyright (C) 2005-2006 Red Hat, Inc. and others
This is free software; see the source for copying conditions.

Below is the trace back of in /var/log/messages

Jun 21 12:46:17 dhcp59-221 kernel: BUG: warning at
fs/proc/generic.c:732/remove_proc_entry() (Not tainted)
Jun 21 12:46:17 dhcp59-221 kernel: 
Jun 21 12:46:17 dhcp59-221 kernel: Call Trace:
<ffffffff802efea8>{remove_proc_entry+383}
Jun 21 12:46:17 dhcp59-221 kernel:       
<ffffffff885a5315>{:stap_2604:_stp_unregister_procfs+146}
Jun 21 12:46:17 dhcp59-221 kernel:       
<ffffffff885a5bfb>{:stap_2604:_stp_relayfs_close+14}
Jun 21 12:46:17 dhcp59-221 kernel:       
<ffffffff802a3534>{sys_delete_module+406} <ffffffff80261ace>{system_call+126}
Jun 21 12:46:17 dhcp59-221 kernel: remove_proc_entry: systemtap/stap_2604 busy,
count=1
Jun 21 12:46:18 dhcp59-221 kernel: Unable to handle kernel paging request at
ffffffff886569e0 RIP: 
Jun 21 12:46:18 dhcp59-221 kernel: <ffffffff802b3519>{relay_remove_buf+23}
Jun 21 12:46:18 dhcp59-221 kernel: PGD 203027 PUD 205027 PMD 23e8f067 PTE 0
Jun 21 12:46:18 dhcp59-221 kernel: Oops: 0000 [3] SMP 
Jun 21 12:46:18 dhcp59-221 kernel: last sysfs file:
/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
Jun 21 12:46:18 dhcp59-221 kernel: CPU 0 
Jun 21 12:46:18 dhcp59-221 kernel: Modules linked in: ipv6 autofs4 hidp rfcomm
l2cap bluetooth ip_conntrack_netbios_ns ipt_REJECT xt_state ip_conntrack
nfnetlink xt_tcpudp iptable_filter ip_tables x_tables video button battery
acpi_memhotplug ac parport_pc lp parport snd_intel8x0m snd_intel8x0
snd_ac97_codec snd_ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq
snd_seq_device snd_pcm_oss snd_mixer_oss ohci_hcd i2c_nforce2 ehci_hcd ide_cd
8139too bcm43xx ieee80211softmac ieee80211 i2c_core ohci1394 snd_pcm
ieee80211_crypt snd_timer ieee1394 snd soundcore snd_page_alloc cdrom 8139cp mii
dm_snapshot dm_zero dm_mirror dm_mod ext3 jbd sata_nv libata sd_mod scsi_mod
Jun 21 12:46:18 dhcp59-221 kernel: Pid: 2683, comm: stpd Not tainted
2.6.16-1.2289_FC6 #1
Jun 21 12:46:18 dhcp59-221 kernel: RIP: 0010:[<ffffffff802b3519>]
<ffffffff802b3519>{relay_remove_buf+23}
Jun 21 12:46:18 dhcp59-221 kernel: RSP: 0018:ffff8100122f9ad8  EFLAGS: 00010246
Jun 21 12:46:18 dhcp59-221 kernel: RAX: ffffffff886569c0 RBX: ffff8100321c6188
RCX: 0000000000000000
Jun 21 12:46:18 dhcp59-221 kernel: RDX: 0000000000000000 RSI: ffffffff802b3502
RDI: ffff810026784ab8
Jun 21 12:46:18 dhcp59-221 kernel: RBP: ffffffff802b3502 R08: ffff8100122f8000
R09: 0000000000000000
Jun 21 12:46:18 dhcp59-221 kernel: R10: 0000000000000001 R11: 0000000000000000
R12: ffff81003d3a3428
Jun 21 12:46:18 dhcp59-221 kernel: R13: ffff81003d3a3428 R14: ffff81003e629990
R15: ffff810026784ab8
Jun 21 12:46:18 dhcp59-221 kernel: FS:  0000000040a00940(0063)
GS:ffffffff80690000(0000) knlGS:0000000000000000
Jun 21 12:46:18 dhcp59-221 kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Jun 21 12:46:18 dhcp59-221 kernel: CR2: ffffffff886569e0 CR3: 0000000030a1e000
CR4: 00000000000006e0
Jun 21 12:46:18 dhcp59-221 kernel: Process stpd (pid: 2683, threadinfo
ffff8100122f8000, task ffff81001a2017e0)
Jun 21 12:46:18 dhcp59-221 kernel: Stack: ffff8100321c6248 ffffffff8023851b
ffff810023c569f0 0000000000000010 
Jun 21 12:46:18 dhcp59-221 kernel:        ffff810023c569f0 ffffffff802b3106
ffff81003d3a3428 ffffffff802125df 
Jun 21 12:46:18 dhcp59-221 kernel:        0000000000000000 ffff8100122f9c18 
Jun 21 12:46:18 dhcp59-221 kernel: Call Trace: <ffffffff8023851b>{kref_put+117}
<ffffffff802b3106>{relay_file_release+30}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff802125df>{__fput+188}
<ffffffff8021b7ae>{poll_freewait+41}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff80231b7b>{do_sys_poll+754}
<ffffffff80231bf2>{do_sys_poll+873}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff8021f80e>{__pollwait+0}
<ffffffff8028a870>{default_wake_function+0}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff8021bbd8>{bad_range+16}
<ffffffff8020a43d>{get_page_from_freelist+1133}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff8021bbd8>{bad_range+16}
<ffffffff8020a43d>{get_page_from_freelist+1133}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff80268e94>{_read_unlock_irq+9}
<ffffffff802077c7>{find_get_page+71}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff80214467>{filemap_nopage+390}
<ffffffff80208b98>{__handle_mm_fault+1303}
Jun 21 12:46:18 dhcp59-221 kernel:       
<ffffffff80268f06>{_spin_lock_irqsave+9} <ffffffff8026adad>{do_page_fault+1172}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff8025028f>{sys_poll+58}
<ffffffff80261ace>{system_call+126}
Jun 21 12:46:18 dhcp59-221 kernel: 
Jun 21 12:46:18 dhcp59-221 kernel: Code: ff 50 20 48 89 df 5b e9 72 ff ff ff 41
57 be d0 00 00 00 41 
Jun 21 12:46:18 dhcp59-221 kernel: RIP <ffffffff802b3519>{relay_remove_buf+23}
RSP <ffff8100122f9ad8>
Jun 21 12:46:18 dhcp59-221 kernel: CR2: ffffffff886569e0
Jun 21 12:46:18 dhcp59-221 kernel:  <3>BUG: sleeping function called from
invalid context at include/linux/rwsem.h:43
Jun 21 12:46:18 dhcp59-221 kernel: in_atomic():0, irqs_disabled():1
Jun 21 12:46:18 dhcp59-221 kernel: 
Jun 21 12:46:18 dhcp59-221 kernel: Call Trace:
<ffffffff8029890b>{blocking_notifier_call_chain+31}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff802161d4>{do_exit+32}
<ffffffff8026b080>{do_page_fault+1895}
Jun 21 12:46:18 dhcp59-221 kernel:       
<ffffffff80208efb>{__handle_mm_fault+2170} <ffffffff80268f06>{_spin_lock_irqsave+9}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff80223522>{__up_read+25}
<ffffffff802629a5>{error_exit+0}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff802b3502>{relay_remove_buf+0}
<ffffffff802b3502>{relay_remove_buf+0}
Jun 21 12:46:18 dhcp59-221 kernel:       
<ffffffff802b3519>{relay_remove_buf+23} <ffffffff8023851b>{kref_put+117}
Jun 21 12:46:18 dhcp59-221 kernel:       
<ffffffff802b3106>{relay_file_release+30} <ffffffff802125df>{__fput+188}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff8021b7ae>{poll_freewait+41}
<ffffffff80231b7b>{do_sys_poll+754}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff80231bf2>{do_sys_poll+873}
<ffffffff8021f80e>{__pollwait+0}
Jun 21 12:46:18 dhcp59-221 kernel:       
<ffffffff8028a870>{default_wake_function+0} <ffffffff8021bbd8>{bad_range+16}
Jun 21 12:46:18 dhcp59-221 kernel:       
<ffffffff8020a43d>{get_page_from_freelist+1133} <ffffffff8021bbd8>{bad_range+16}
Jun 21 12:46:18 dhcp59-221 kernel:       
<ffffffff8020a43d>{get_page_from_freelist+1133}
<ffffffff80268e94>{_read_unlock_irq+9}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff802077c7>{find_get_page+71}
<ffffffff80214467>{filemap_nopage+390}
Jun 21 12:46:18 dhcp59-221 kernel:       
<ffffffff80208b98>{__handle_mm_fault+1303} <ffffffff80268f06>{_spin_lock_irqsave+9}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff8026adad>{do_page_fault+1172}
<ffffffff8025028f>{sys_poll+58}
Jun 21 12:46:18 dhcp59-221 kernel:        <ffffffff80261ace>{system_call+126}
Jun 21 12:46:24 dhcp59-221 kernel: BUG: warning at
fs/proc/generic.c:732/remove_proc_entry() (Not tainted)
Jun 21 12:46:24 dhcp59-221 kernel: 
Jun 21 12:46:24 dhcp59-221 kernel: Call Trace:
<ffffffff802efea8>{remove_proc_entry+383}
Jun 21 12:46:24 dhcp59-221 kernel:       
<ffffffff885a5315>{:stap_2784:_stp_unregister_procfs+146}
Jun 21 12:46:24 dhcp59-221 kernel:       
<ffffffff885a5bfb>{:stap_2784:_stp_relayfs_close+14}
Jun 21 12:46:24 dhcp59-221 kernel:       
<ffffffff802a3534>{sys_delete_module+406} <ffffffff80261ace>{system_call+126}
Jun 21 12:46:24 dhcp59-221 kernel: remove_proc_entry: systemtap/stap_2784 busy,
count=1
Jun 21 12:46:24 dhcp59-221 kernel: remove_proc_entry: stap_2784/cpu0 busy, count=1

-- 
           Summary: systemtap.samples/transport.exp oops on x86-64
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: wcohen at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=2816

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