Summary: I was able to reproduce the crash using 0.9.2, but the
anticipated output to system.log did not appear.
Details:
With MacFUSE 0.9.2 already loaded by the kernel, I mounted my media
server:
sshfs-static-debug [EMAIL PROTECTED]:/raid $D -o volname=hearsay -d
(Note: this time I did not specify '-o debug'. I'm not sure if this
makes a difference).
After iTunes imported a few dozen mp3 files, sshfs-static-debug
crashed:
OPEN[3181488] flags: 0x0 /Music/Cocteau Twins/Evangeline Sp/03 Summer-
blink.mp3
unique: 2, opcode: READ (15), nodeid: 79, insize: 64
READ[3181488] 4096 bytes from 0
READ[3181488] 4096 bytes
unique: 2, error: 0 (Unknown error: 0), outsize: 4112
unique: 1, opcode: FSYNC (20), nodeid: 79, insize: 56
unique: 0, opcode: FLUSH (25), nodeid: 79, insize: 64
FLUSH[3181488]
unique: 0, error: 0 (Unknown error: 0), outsize: 16
unique: 2, opcode: RELEASE (18), nodeid: 79, insize: 64
RELEASE[3181488] flags: 0x0
unique: 2, error: 0 (Unknown error: 0), outsize: 16
unique: 0, opcode: LOOKUP (1), nodeid: 76, insize: 62
LOOKUP /Music/Cocteau Twins/Evangeline Sp/._03 Summer-blink.mp3
FSYNC[3181488]
/Users/db/Scripts/mount-hearsay.sh: line 5: 453 Segmentation
fault sshfs-static-debug [EMAIL PROTECTED]:/raid $D -o volname=hearsay -
d
system.log shows:
Oct 1 09:14:30 phoebe crashdump[460]: sshfs-static-debug crashed
Oct 1 09:14:30 phoebe KernelEventAgent[32]: tid 00000000 received
VQ_DEAD event (32)
Oct 1 09:14:30 phoebe crashdump[460]: crash report written to: /Users/
db/Library/Logs/CrashReporter/sshfs-static-debug.crash.log
The contents of sshfs-static-debug.crash.log:
Host Name: phoebe
Date/Time: 2007-10-01 09:14:29.746 -0400
OS Version: 10.4.10 (Build 8R2232)
Report Version: 4
Command: sshfs-static-debug
Path: /usr/local/bin/sshfs-static-debug
Parent: bash [451]
Version: ??? (???)
PID: 453
Thread: 2
Exception: EXC_BAD_ACCESS (0x0001)
Codes: KERN_INVALID_ADDRESS (0x0001) at 0x20756165
Thread 0:
0 libSystem.B.dylib 0x900bcb9c __semwait_signal + 12
1 libSystem.B.dylib 0x900860ed pthread_cond_wait$UNIX2003 + 72
2 libfuse.0.dylib 0x00212844 fuse_sem_wait + 104 (fuse_darwin.c:
223)
3 libfuse.0.dylib 0x0020d0ea fuse_session_loop_mt + 196
(fuse_loop_mt.c:208)
4 libfuse.0.dylib 0x0020f753 fuse_loop_mt + 36 (fuse_mt.c:113)
5 libfuse.0.dylib 0x00211190 fuse_main_common + 96 (helper.c:
366)
6 libfuse.0.dylib 0x002111fa fuse_main_real + 53 (helper.c:381)
7 sshfs-static-debug 0x0000899e sshfs_fuse_main + 67 (sshfs.c:2602)
8 sshfs-static-debug 0x00009136 main + 1083 (sshfs.c:2843)
9 sshfs-static-debug 0x000026fa _start + 216
10 sshfs-static-debug 0x00002621 start + 41
Thread 1:
0 libSystem.B.dylib 0x900bcb9c __semwait_signal + 12
1 libSystem.B.dylib 0x900860ed pthread_cond_wait$UNIX2003 + 72
2 libfuse.0.dylib 0x00212844 fuse_sem_wait + 104 (fuse_darwin.c:
223)
3 sshfs-static-debug 0x00004ea9 sftp_request_wait + 53 (sshfs.c:
1371)
4 sshfs-static-debug 0x0000531e sftp_request_iov + 126 (sshfs.c:
1485)
5 sshfs-static-debug 0x00005372 sftp_request + 77 (sshfs.c:1494)
6 sshfs-static-debug 0x0000548b sshfs_getattr + 274 (sshfs.c:1503)
7 sshfs-static-debug 0x000096d2 cache_getattr + 56 (cache.c:229)
8 libfuse.0.dylib 0x002071fc fuse_fs_getattr + 52 (fuse.c:752)
9 libfuse.0.dylib 0x00207edf lookup_path + 116 (fuse.c:1220)
10 libfuse.0.dylib 0x002083c4 fuse_lib_lookup + 203 (fuse.c:1380)
11 libfuse.0.dylib 0x0020dcd1 do_lookup + 37 (fuse_lowlevel.c:
442)
12 libfuse.0.dylib 0x0020f22e fuse_ll_process + 546
(fuse_lowlevel.c:1175)
13 libfuse.0.dylib 0x002104be fuse_session_process + 38
(fuse_session.c:121)
14 libfuse.0.dylib 0x0020cd8a fuse_do_work + 227 (fuse_loop_mt.c:
107)
15 libSystem.B.dylib 0x90024227 _pthread_body + 84
Thread 2 Crashed:
0 sshfs-static-debug 0x00002b95 list_del + 11 (sshfs.c:391)
1 sshfs-static-debug 0x000073b1 sshfs_flush + 106 (sshfs.c:1964)
2 sshfs-static-debug 0x00007437 sshfs_fsync + 24 (sshfs.c:1980)
3 libfuse.0.dylib 0x00207515 fuse_fs_fsync + 60 (fuse.c:870)
4 libfuse.0.dylib 0x0020a201 fuse_lib_fsync + 183 (fuse.c:2019)
5 libfuse.0.dylib 0x0020e40a do_fsync + 84 (fuse_lowlevel.c:690)
6 libfuse.0.dylib 0x0020f22e fuse_ll_process + 546
(fuse_lowlevel.c:1175)
7 libfuse.0.dylib 0x002104be fuse_session_process + 38
(fuse_session.c:121)
8 libfuse.0.dylib 0x0020cd8a fuse_do_work + 227 (fuse_loop_mt.c:
107)
9 libSystem.B.dylib 0x90024227 _pthread_body + 84
Thread 3:
0 libSystem.B.dylib 0x900248c7 semaphore_wait_signal_trap + 7
1 sshfs-static-debug 0x00004108 process_requests + 146 (sshfs.c:
1035)
2 libSystem.B.dylib 0x90024227 _pthread_body + 84
Thread 4:
0 libSystem.B.dylib 0x9000ffec read + 12
1 libfuse.0.dylib 0x002106c1 fuse_chan_recv + 52 (fuse_session.c:
214)
2 libfuse.0.dylib 0x0020ccdf fuse_do_work + 56 (fuse_loop_mt.c:
75)
3 libSystem.B.dylib 0x90024227 _pthread_body + 84
Thread 5:
0 libSystem.B.dylib 0x9000ffec read + 12
1 libfuse.0.dylib 0x002106c1 fuse_chan_recv + 52 (fuse_session.c:
214)
2 libfuse.0.dylib 0x0020ccdf fuse_do_work + 56 (fuse_loop_mt.c:
75)
3 libSystem.B.dylib 0x90024227 _pthread_body + 84
Thread 2 crashed with X86 Thread State (32-bit):
eax: 0x20756165 ebx: 0x00007355 ecx: 0x000430e8 edx: 0x74630008
edi: 0x00308bb0 esi: 0x74630008 ebp: 0xb0101d48 esp: 0xb0101d48
ss: 0x0000001f efl: 0x00010246 eip: 0x00002b95 cs: 0x00000017
ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037
Binary Images Description:
0x1000 - 0x41fff sshfs-static-debug /usr/local/bin/sshfs-
static-debug
0x205000 - 0x216fff libfuse.0.dylib /usr/local/lib/libfuse.
0.dylib
0x8fe00000 - 0x8fe4afff dyld 46.12 /usr/lib/dyld
0x90000000 - 0x90171fff libSystem.B.dylib /usr/lib/libSystem.B.dylib
0x901c1000 - 0x901c3fff libmathCommon.A.dylib /usr/lib/system/
libmathCommon.A.dylib
0x9080b000 - 0x908d3fff com.apple.CoreFoundation 6.4.7 (368.28) /
System/Library/Frameworks/CoreFoundation.framework/Versions/A/
CoreFoundation
0x90911000 - 0x90911fff com.apple.CoreServices 10.4 (???) /System/
Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
0x90913000 - 0x90a07fff libicucore.A.dylib /usr/lib/
libicucore.A.dylib
0x90a57000 - 0x90ad6fff libobjc.A.dylib /usr/lib/libobjc.A.dylib
0x90aff000 - 0x90b63fff libstdc++.6.dylib /usr/lib/libstdc++.6.dylib
0x90bd2000 - 0x90bd9fff libgcc_s.1.dylib /usr/lib/libgcc_s.1.dylib
0x90bde000 - 0x90c51fff com.apple.framework.IOKit 1.4.8 (???) /System/
Library/Frameworks/IOKit.framework/Versions/A/IOKit
0x90c66000 - 0x90c78fff libauto.dylib /usr/lib/libauto.dylib
0x90c7e000 - 0x90f24fff com.apple.CoreServices.CarbonCore 682.26 /
System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/
CarbonCore.framework/Versions/A/CarbonCore
0x90f67000 - 0x90fcffff com.apple.CoreServices.OSServices 4.1 /System/
Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/
OSServices.framework/Versions/A/OSServices
0x91008000 - 0x91047fff com.apple.CFNetwork 129.21 /System/Library/
Frameworks/CoreServices.framework/Versions/A/Frameworks/
CFNetwork.framework/Versions/A/CFNetwork
0x9105a000 - 0x9106afff com.apple.WebServices 1.1.3 (1.1.0) /System/
Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/
WebServicesCore.framework/Versions/A/WebServicesCore
0x91075000 - 0x910f4fff com.apple.SearchKit 1.0.5 /System/Library/
Frameworks/CoreServices.framework/Versions/A/Frameworks/
SearchKit.framework/Versions/A/SearchKit
0x9112e000 - 0x9114cfff com.apple.Metadata 10.4.4 (121.36) /System/
Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/
Metadata.framework/Versions/A/Metadata
0x91158000 - 0x91166fff libz.1.dylib /usr/lib/libz.1.dylib
0x91169000 - 0x91308fff com.apple.security 4.5.2 (29774) /System/
Library/Frameworks/Security.framework/Versions/A/Security
0x91406000 - 0x9140efff com.apple.DiskArbitration 2.1.1 /System/
Library/Frameworks/DiskArbitration.framework/Versions/A/
DiskArbitration
0x91415000 - 0x9141cfff libbsm.dylib /usr/lib/libbsm.dylib
0x91420000 - 0x91446fff com.apple.SystemConfiguration 1.8.6 /System/
Library/Frameworks/SystemConfiguration.framework/Versions/A/
SystemConfiguration
0x9262b000 - 0x92718fff libiconv.2.dylib /usr/lib/libiconv.2.dylib
db
On Oct 1, 5:50 am, Amit Singh <[EMAIL PROTECTED]> wrote:
> I've put another build here:
>
> http://osxbook.com/tmp/macfuse/MacFUSE-Core-0.9.2.dmg
>
> Can you please try this--with sshfs running multithreaded as normal.
> Your crash should still occur, but I'd like to see if you get an error
> message in /var/log/system.log at the time of the crash. (You can
> either just tail /var/log/system.log or use Console.app to monitor
> it). The error message we are looking for is:
>
> MacFUSE: this can trigger segmentation fault
>
> Thanks for testing this.
>
> Amit
>
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