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SubjectNew: oups while running mc, not able to run xterm nor kterm in xfree86
http://bugme.osdl.org/show_bug.cgi?id=621

Summary: oups while running mc, not able to run xterm nor kterm
in xfree86
Kernel Version: 2.5.68-bk4
Status: NEW
Severity: blocking
Owner: bugme-admin@osdl.org
Submitter: gj@pointblue.com.pl


Distribution: Debian unstable
Hardware Environment:
p4 2 ghz, 512MB x86 computer
00:00.0 Host bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset Host
Bridge (rev 01) Subsystem: Intel Corp. 82845G/GL [Brookdale-G]
Chipset Host Bridge Control: I/O- Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort+
> SERR- <PERR-
Latency: 0
Region 0: Memory at e0000000 (32-bit, prefetchable) [size=64M]
Capabilities: <available only to root>
00:01.0 PCI bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset AGP Bridge
(rev 01) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort-
> SERR- <PERR-
Latency: 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=32
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: e6000000-e7ffffff
Prefetchable memory behind bridge: e4000000-e5ffffff
BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-
00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 01) (prog-if
00 [UHCI]) Subsystem: Intel Corp. 82801DB USB (Hub #1)
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort-
> SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 12
Region 4: I/O ports at b800 [size=32]

00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 01) (prog-if
00 [UHCI]) Subsystem: Intel Corp.: Unknown device 24c2
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort-
> SERR- <PERR-
Latency: 0
Interrupt: pin B routed to IRQ 12
Region 4: I/O ports at b000 [size=32]

00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 01) (prog-if
00 [UHCI]) Subsystem: Intel Corp.: Unknown device 24c2
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort-
> SERR- <PERR-
Latency: 0
Interrupt: pin C routed to IRQ 11
Region 4: I/O ports at b400 [size=32]

00:1d.7 USB Controller: Intel Corp. 82801DB USB EHCI Controller (rev 01)
(prog-if 20 [EHCI]) Subsystem: Giga-byte Technology: Unknown
device 5004
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort-
> SERR- <PERR-
Latency: 0
Interrupt: pin D routed to IRQ 9
Region 0: Memory at ea000000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <available only to root>
00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 81) (prog-if
00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort-
> SERR- <PERR+
Latency: 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=32
I/O behind bridge: 0000a000-0000afff
Memory behind bridge: e8000000-e9ffffff
Prefetchable memory behind bridge: fff00000-000fffff
BridgeCtl: Parity- SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-
00:1f.0 ISA bridge: Intel Corp. 82801DB ISA Bridge (LPC) (rev 01)
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort-
> SERR- <PERR-
Latency: 0

00:1f.1 IDE interface: Intel Corp. 82801DB ICH4 IDE (rev 01) (prog-if 8a
[Master SecP PriP]) Subsystem: Intel Corp.: Unknown device 24c2
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort-
> SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at <ignored>
Region 1: I/O ports at <ignored>
Region 2: I/O ports at <ignored>
Region 3: I/O ports at <ignored>
Region 4: I/O ports at cc00 [size=16]
Region 5: Memory at 20000000 (32-bit, non-prefetchable) [size=1K]
00:1f.3 SMBus: Intel Corp. 82801DB SMBus (rev 01)
Subsystem: Intel Corp.: Unknown device 24c2
Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort-
> SERR- <PERR-
Interrupt: pin B routed to IRQ 5
Region 4: I/O ports at 5000 [size=32]

00:1f.5 Multimedia audio controller: Intel Corp. 82801DB AC'97 Audio (rev
01) Subsystem: Giga-byte Technology: Unknown device a002
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort-
> SERR- <PERR-
Latency: 0
Interrupt: pin B routed to IRQ 5
Region 0: I/O ports at d400 [size=256]
Region 1: I/O ports at d800 [size=64]
Region 2: Memory at ea002000 (32-bit, non-prefetchable) [size=512]
Region 3: Memory at ea003000 (32-bit, non-prefetchable) [size=256]
Capabilities: <available only to root>
01:00.0 VGA compatible controller: nVidia Corporation NV5M64 [RIVA TNT2
Model 64/Model 64 Pro] (rev 15) (prog-if 00 [VGA])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 32 (1250ns min, 250ns max)
Interrupt: pin A routed to IRQ 12
Region 0: Memory at e6000000 (32-bit, non-prefetchable) [size=16M]
Region 1: Memory at e4000000 (32-bit, prefetchable) [size=32M]
Expansion ROM at <unassigned> [disabled] [size=64K]
Capabilities: <available only to root>
02:02.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev
08) Subsystem: Compaq Computer Corporation NC3123 Fast Ethernet
NIC (WOL) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV-
VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort-
> SERR- <PERR-
Latency: 32 (2000ns min, 14000ns max), cache line size 08
Interrupt: pin A routed to IRQ 11
Region 0: Memory at e9100000 (32-bit, non-prefetchable) [size=4K]
Region 1: I/O ports at a000 [size=64]
Region 2: Memory at e9000000 (32-bit, non-prefetchable) [size=1M]
Expansion ROM at <unassigned> [disabled] [size=1M]
Capabilities: <available only to root>

Software Environment:
bash-2.05b$ gcc -v
Reading specs from /usr/lib/gcc-lib/i386-linux/3.2.3/specs
Configured with: ../src/configure -v
--enable-languages=c,c++,java,f77,objc,ada --prefix=/usr
--mandir=/usr/share/man --infodir=/usr/share/info
--with-gxx-include-dir=/usr/include/c++/3.2 --enable-shared
--with-system-zlib --enable-nls --without-included-gettext
--enable-__cxa_atexit --enable-clocale=gnu --enable-java-gc=boehm
--enable-objc-gc i386-linux Thread model: posix
gcc version 3.2.3 20030415 (Debian prerelease)

Problem Description:
seems like pty-s are somewhat broken.

Steps to reproduce:
try to run mc, xinit or kterm


oups :

Apr 23 14:51:40 gregs kernel:
Apr 23 14:51:40 gregs kernel: Code: 8b 43 1c 89 04 24 e8 e3 fb ff ff 89 1c
24 e8 b6 eb ff ff 89 Apr 23 14:51:40 gregs kernel: <6>note: mc[3688]
exited with preempt_count 2 Apr 23 14:51:40 gregs kernel: bad: scheduling
while atomic!
Apr 23 14:51:40 gregs kernel: Call Trace:
Apr 23 14:51:40 gregs kernel: [schedule+935/940] schedule+0x3a7/0x3ac
Apr 23 14:51:40 gregs kernel: [unmap_page_range+73/135]
unmap_page_range+0x49/0x87 Apr 23 14:51:40 gregs kernel:
[unmap_vmas+441/551] unmap_vmas+0x1b9/0x227 Apr 23 14:51:40 gregs kernel:
[exit_mmap+124/401] exit_mmap+0x7c/0x191 Apr 23 14:51:40 gregs kernel:
[mmput+86/165] mmput+0x56/0xa5
Apr 23 14:51:40 gregs kernel: [do_exit+287/1041] do_exit+0x11f/0x411
Apr 23 14:51:40 gregs kernel: [do_divide_error+0/251]
do_divide_error+0x0/0xfb Apr 23 14:51:40 gregs kernel:
[do_page_fault+282/1059] do_page_fault+0x11a/0x423 Apr 23 14:51:40 gregs
kernel: [devfs_lookup+377/563] devfs_lookup+0x179/0x233 Apr 23 14:51:40
gregs kernel: [d_alloc+32/454] d_alloc+0x20/0x1c6 Apr 23 14:51:40 gregs
kernel: [_devfs_descend+132/193] _devfs_descend+0x84/0xc1 Apr 23 14:51:40
gregs kernel: [do_page_fault+0/1059] do_page_fault+0x0/0x423 Apr 23
14:51:40 gregs kernel: [error_code+45/56] error_code+0x2d/0x38 Apr 23
14:51:40 gregs kernel: [devfs_remove+104/133] devfs_remove+0x68/0x85 Apr
23 14:51:40 gregs kernel: [iput+98/124] iput+0x62/0x7c
Apr 23 14:51:40 gregs kernel: [dput+34/483] dput+0x22/0x1e3
Apr 23 14:51:40 gregs kernel: [devpts_pty_kill+63/87]
devpts_pty_kill+0x3f/0x57 Apr 23 14:51:40 gregs kernel:
[pty_close+233/320] pty_close+0xe9/0x140 Apr 23 14:51:40 gregs kernel:
[release_dev+2001/2070] release_dev+0x7d1/0x816 Apr 23 14:51:40 gregs
kernel: [__user_walk+92/94] __user_walk+0x5c/0x5e Apr 23 14:51:40 gregs
kernel: [vfs_stat+31/91] vfs_stat+0x1f/0x5b Apr 23 14:51:40 gregs kernel:
[sys_statfs+158/188] sys_statfs+0x9e/0xbc Apr 23 14:51:40 gregs kernel:
[tty_release+0/103] tty_release+0x0/0x67 Apr 23 14:51:40 gregs kernel:
[tty_release+45/103] tty_release+0x2d/0x67 Apr 23 14:51:40 gregs kernel:
[__fput+251/256] __fput+0xfb/0x100 Apr 23 14:51:40 gregs kernel:
[filp_close+153/208] filp_close+0x99/0xd0 Apr 23 14:51:40 gregs kernel:
[sys_close+100/152] sys_close+0x64/0x98 Apr 23 14:51:40 gregs kernel:
[syscall_call+7/11] syscall_call+0x7/0xb Apr 23 14:51:40 gregs kernel:
Apr 23 14:51:40 gregs modprobe: FATAL: Module /dev/pts/18 not found.
Apr 23 14:51:40 gregs kernel: Unable to handle kernel NULL pointer
dereference at virtual address 0000001c
Apr 23 14:51:40 gregs kernel: printing eip:
Apr 23 14:51:40 gregs kernel: c01c256f
Apr 23 14:51:40 gregs kernel: *pde = 00000000
Apr 23 14:51:40 gregs kernel: Oops: 0000 [#19]
Apr 23 14:51:40 gregs kernel: CPU: 0
Apr 23 14:51:40 gregs kernel: EIP: 0060:[devfs_remove+104/133] Not
tainted Apr 23 14:51:40 gregs kernel: EFLAGS: 00010202
Apr 23 14:51:40 gregs kernel: EIP is at devfs_remove+0x68/0x85
Apr 23 14:51:40 gregs kernel: eax: d3742000 ebx: 00000000 ecx: d3743ea6
edx: 00000000 Apr 23 14:51:40 gregs kernel: esi: daedae80 edi: 00000012
ebp: d608c000 esp: d3743e90 Apr 23 14:51:40 gregs kernel: ds: 007b es:
007b ss: 0068
Apr 23 14:51:40 gregs kernel: Process mc (pid: 3691, threadinfo=d3742000
task=dc58b880) Apr 23 14:51:40 gregs kernel: Stack: 00000000 00000000
00000000 d3743ef0 2f737470 df003831 db108200 db108200
Apr 23 14:51:40 gregs kernel: c016e727 db108200 dfdd4e80 dfdd4e80
c016b8f6 dfdd4e80 c063c8f0 d4dcd780
Apr 23 14:51:40 gregs kernel: daedae80 00000012 c018dc70 d4dcd780
d5021000 c0365775 c05d616b 00000012
Apr 23 14:51:40 gregs kernel: Call Trace:
Apr 23 14:51:40 gregs kernel: [iput+98/124] iput+0x62/0x7c
Apr 23 14:51:40 gregs kernel: [dput+34/483] dput+0x22/0x1e3
Apr 23 14:51:40 gregs kernel: [devpts_pty_kill+63/87]
devpts_pty_kill+0x3f/0x57 Apr 23 14:51:40 gregs kernel:
[pty_close+233/320] pty_close+0xe9/0x140 Apr 23 14:51:40 gregs kernel:
[release_dev+2001/2070] release_dev+0x7d1/0x816 Apr 23 14:51:40 gregs
kernel: [__user_walk+92/94] __user_walk+0x5c/0x5e Apr 23 14:51:40 gregs
kernel: [vfs_stat+31/91] vfs_stat+0x1f/0x5b Apr 23 14:51:40 gregs kernel:
[sys_statfs+158/188] sys_statfs+0x9e/0xbc Apr 23 14:51:40 gregs kernel:
[tty_release+0/103] tty_release+0x0/0x67 Apr 23 14:51:40 gregs kernel:
[tty_release+45/103] tty_release+0x2d/0x67 Apr 23 14:51:40 gregs kernel:
[__fput+251/256] __fput+0xfb/0x100 Apr 23 14:51:40 gregs kernel:
[filp_close+153/208] filp_close+0x99/0xd0 Apr 23 14:51:40 gregs kernel:
[sys_close+100/152] sys_close+0x64/0x98 Apr 23 14:51:40 gregs kernel:
[syscall_call+7/11] syscall_call+0x7/0xb Apr 23 14:51:40 gregs kernel:
Apr 23 14:51:40 gregs kernel: Code: 8b 43 1c 89 04 24 e8 e3 fb ff ff 89 1c
24 e8 b6 eb ff ff 89 Apr 23 14:51:40 gregs kernel: <6>note: mc[3691]
exited with preempt_count 2 Apr 23 14:51:40 gregs kernel: bad: scheduling
while atomic!
Apr 23 14:51:40 gregs kernel: Call Trace:
Apr 23 14:51:40 gregs kernel: [schedule+935/940] schedule+0x3a7/0x3ac
Apr 23 14:51:40 gregs kernel: [unmap_page_range+73/135]
unmap_page_range+0x49/0x87 Apr 23 14:51:40 gregs kernel:
[unmap_vmas+441/551] unmap_vmas+0x1b9/0x227 Apr 23 14:51:40 gregs kernel:
[exit_mmap+124/401] exit_mmap+0x7c/0x191 Apr 23 14:51:40 gregs kernel:
[mmput+86/165] mmput+0x56/0xa5
Apr 23 14:51:40 gregs kernel: [do_exit+287/1041] do_exit+0x11f/0x411
Apr 23 14:51:40 gregs kernel: [do_divide_error+0/251]
do_divide_error+0x0/0xfb Apr 23 14:51:40 gregs kernel:
[do_page_fault+282/1059] do_page_fault+0x11a/0x423 Apr 23 14:51:40 gregs
kernel: [devfs_lookup+377/563] devfs_lookup+0x179/0x233 Apr 23 14:51:40
gregs kernel: [d_alloc+32/454] d_alloc+0x20/0x1c6 Apr 23 14:51:40 gregs
kernel: [_devfs_descend+132/193] _devfs_descend+0x84/0xc1 Apr 23 14:51:40
gregs kernel: [do_page_fault+0/1059] do_page_fault+0x0/0x423 Apr 23
14:51:40 gregs kernel: [error_code+45/56] error_code+0x2d/0x38 Apr 23
14:51:40 gregs kernel: [devfs_remove+104/133] devfs_remove+0x68/0x85 Apr
23 14:51:40 gregs kernel: [iput+98/124] iput+0x62/0x7c
Apr 23 14:51:40 gregs kernel: [dput+34/483] dput+0x22/0x1e3
Apr 23 14:51:40 gregs kernel: [devpts_pty_kill+63/87]
devpts_pty_kill+0x3f/0x57 Apr 23 14:51:40 gregs kernel:
[pty_close+233/320] pty_close+0xe9/0x140 Apr 23 14:51:40 gregs kernel:
[release_dev+2001/2070] release_dev+0x7d1/0x816 Apr 23 14:51:40 gregs
kernel: [__user_walk+92/94] __user_walk+0x5c/0x5e Apr 23 14:51:40 gregs
kernel: [vfs_stat+31/91] vfs_stat+0x1f/0x5b Apr 23 14:51:40 gregs kernel:
[sys_statfs+158/188] sys_statfs+0x9e/0xbc Apr 23 14:51:40 gregs kernel:
[tty_release+0/103] tty_release+0x0/0x67 Apr 23 14:51:40 gregs kernel:
[tty_release+45/103] tty_release+0x2d/0x67 Apr 23 14:51:40 gregs kernel:
[__fput+251/256] __fput+0xfb/0x100 Apr 23 14:51:40 gregs kernel:
[filp_close+153/208] filp_close+0x99/0xd0 Apr 23 14:51:40 gregs kernel:
[sys_close+100/152] sys_close+0x64/0x98 Apr 23 14:51:40 gregs kernel:
[syscall_call+7/11] syscall_call+0x7/0xb Apr 23 14:51:40 gregs kernel:
Apr 23 14:51:41 gregs modprobe: FATAL: Module /dev/pts/19 not found.
Apr 23 14:51:41 gregs kernel: Unable to handle kernel NULL pointer
dereference at virtual address 0000001c
Apr 23 14:51:41 gregs kernel: printing eip:
Apr 23 14:51:41 gregs kernel: c01c256f
Apr 23 14:51:41 gregs kernel: *pde = 00000000
Apr 23 14:51:41 gregs kernel: Oops: 0000 [#20]
Apr 23 14:51:41 gregs kernel: CPU: 0
Apr 23 14:51:41 gregs kernel: EIP: 0060:[devfs_remove+104/133] Not
tainted Apr 23 14:51:41 gregs kernel: EFLAGS: 00010202
Apr 23 14:51:41 gregs kernel: EIP is at devfs_remove+0x68/0x85
Apr 23 14:51:41 gregs kernel: eax: d3742000 ebx: 00000000 ecx: d3743ea6
edx: 00000000 Apr 23 14:51:41 gregs kernel: esi: daeda400 edi: 00000013
ebp: d47ea000 esp: d3743e90 Apr 23 14:51:41 gregs kernel: ds: 007b es:
007b ss: 0068
Apr 23 14:51:41 gregs kernel: Process mc (pid: 3694, threadinfo=d3742000
task=dc58b880) Apr 23 14:51:41 gregs kernel: Stack: 00000000 00000000
00000000 d3743ef0 2f737470 df003931 db108080 db108080
Apr 23 14:51:41 gregs kernel: c016e727 db108080 dfdd4e80 dfdd4e80
c016b8f6 dfdd4e80 c063c8f0 d5196680
Apr 23 14:51:41 gregs kernel: daeda400 00000013 c018dc70 d5196680
dcb63000 c0365775 c05d616b 00000013
Apr 23 14:51:41 gregs kernel: Call Trace:
Apr 23 14:51:41 gregs kernel: [iput+98/124] iput+0x62/0x7c
Apr 23 14:51:41 gregs kernel: [dput+34/483] dput+0x22/0x1e3
Apr 23 14:51:41 gregs kernel: [devpts_pty_kill+63/87]
devpts_pty_kill+0x3f/0x57 Apr 23 14:51:41 gregs kernel:
[pty_close+233/320] pty_close+0xe9/0x140 Apr 23 14:51:41 gregs kernel:
[release_dev+2001/2070] release_dev+0x7d1/0x816 Apr 23 14:51:41 gregs
kernel: [__user_walk+92/94] __user_walk+0x5c/0x5e Apr 23 14:51:41 gregs
kernel: [vfs_stat+31/91] vfs_stat+0x1f/0x5b Apr 23 14:51:41 gregs kernel:
[sys_statfs+158/188] sys_statfs+0x9e/0xbc Apr 23 14:51:41 gregs kernel:
[tty_release+0/103] tty_release+0x0/0x67 Apr 23 14:51:41 gregs kernel:
[tty_release+45/103] tty_release+0x2d/0x67 Apr 23 14:51:41 gregs kernel:
[__fput+251/256] __fput+0xfb/0x100 Apr 23 14:51:41 gregs kernel:
[filp_close+153/208] filp_close+0x99/0xd0 Apr 23 14:51:41 gregs kernel:
[sys_close+100/152] sys_close+0x64/0x98 Apr 23 14:51:41 gregs kernel:
[syscall_call+7/11] syscall_call+0x7/0xb Apr 23 14:51:41 gregs kernel:
Apr 23 14:51:41 gregs kernel: Code: 8b 43 1c 89 04 24 e8 e3 fb ff ff 89 1c
24 e8 b6 eb ff ff 89 Apr 23 14:51:41 gregs kernel: <6>note: mc[3694]
exited with preempt_count 2 Apr 23 14:51:41 gregs kernel: bad: scheduling
while atomic!
Apr 23 14:51:41 gregs kernel: Call Trace:
Apr 23 14:51:41 gregs kernel: [schedule+935/940] schedule+0x3a7/0x3ac
Apr 23 14:51:41 gregs kernel: [unmap_page_range+73/135]
unmap_page_range+0x49/0x87 Apr 23 14:51:41 gregs kernel:
[unmap_vmas+441/551] unmap_vmas+0x1b9/0x227 Apr 23 14:51:41 gregs kernel:
[exit_mmap+124/401] exit_mmap+0x7c/0x191 Apr 23 14:51:41 gregs kernel:
[mmput+86/165] mmput+0x56/0xa5
Apr 23 14:51:41 gregs kernel: [do_exit+287/1041] do_exit+0x11f/0x411
Apr 23 14:51:41 gregs kernel: [do_divide_error+0/251]
do_divide_error+0x0/0xfb Apr 23 14:51:41 gregs kernel:
[do_page_fault+282/1059] do_page_fault+0x11a/0x423 Apr 23 14:51:41 gregs
kernel: [devfs_lookup+377/563] devfs_lookup+0x179/0x233 Apr 23 14:51:41
gregs kernel: [d_alloc+32/454] d_alloc+0x20/0x1c6 Apr 23 14:51:41 gregs
kernel: [_devfs_descend+132/193] _devfs_descend+0x84/0xc1 Apr 23 14:51:41
gregs kernel: [do_page_fault+0/1059] do_page_fault+0x0/0x423 Apr 23
14:51:41 gregs kernel: [error_code+45/56] error_code+0x2d/0x38 Apr 23
14:51:41 gregs kernel: [devfs_remove+104/133] devfs_remove+0x68/0x85 Apr
23 14:51:41 gregs kernel: [iput+98/124] iput+0x62/0x7c
Apr 23 14:51:41 gregs kernel: [dput+34/483] dput+0x22/0x1e3
Apr 23 14:51:41 gregs kernel: [devpts_pty_kill+63/87]
devpts_pty_kill+0x3f/0x57 Apr 23 14:51:41 gregs kernel:
[pty_close+233/320] pty_close+0xe9/0x140 Apr 23 14:51:41 gregs kernel:
[release_dev+2001/2070] release_dev+0x7d1/0x816 Apr 23 14:51:41 gregs
kernel: [__user_walk+92/94] __user_walk+0x5c/0x5e Apr 23 14:51:41 gregs
kernel: [vfs_stat+31/91] vfs_stat+0x1f/0x5b Apr 23 14:51:41 gregs kernel:
[sys_statfs+158/188] sys_statfs+0x9e/0xbc Apr 23 14:51:41 gregs kernel:
[tty_release+0/103] tty_release+0x0/0x67 Apr 23 14:51:41 gregs kernel:
[tty_release+45/103] tty_release+0x2d/0x67 Apr 23 14:51:41 gregs kernel:
[__fput+251/256] __fput+0xfb/0x100 Apr 23 14:51:41 gregs kernel:
[filp_close+153/208] filp_close+0x99/0xd0 Apr 23 14:51:41 gregs kernel:
[sys_close+100/152] sys_close+0x64/0x98 Apr 23 14:51:41 gregs kernel:
[syscall_call+7/11] syscall_call+0x7/0xb Apr 23 14:51:41 gregs kernel:
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