On Wed, 2002-07-31 at 05:20, civileme wrote: > Robert Grasso wrote: > > >Hello, > > > >I am reporting strange problems with my Mandrake 8.2 installation on my > >Intel PC - maybe the key is with devfsd (Mandrake version is > >devfsd-1.3.25-1.1mdk). I am a 10-years Unix-user, and a 2 years > >part-time Unix/Linux admin, but I really don't know devfsd. > > > >So I have been reporting several symptoms for several weeks/months : > >- sometimes after logging, the OS partially hangs : ps -ef does not > >complete, and I need to reboot > >- after the second reboot, the OS always works (I mean, ps -ef displays > >completely); but always, I have > > > >modprobe <defunct> > > > >and this modprobe is the son of devfsd (which I unfortunately don't know > >:-( > >BTW, the previous partial ps -ef never includes this modprobe <defunct> > > > >- in /var/log/messages, I always have at boot: > >devfsd: error calling: symlink in GLOBAL > >devfsd[70]: error calling: "unlink" in "GLOBAL" > > > >Finally, one strange symptom, that I did not connect to devfsd at the > >beginning : while scrolling with the wheel in galeon overloaded with > >maybe 20 or 30 tabs in 6 windows (not konqueror or netscape or else) > >regularly the session crashed, bringing me back to the login window, and > >leaving on the virtual consoles (I have only two) a white > >square/rectangle, 1 inch for each side nearly, including a fixed ugly > >cursor arrow. Gradually, I became sure that that the wheel caused the > >crash. > >Today, I crashed the session while scrolling in evolution, moving the > >wheel in evolution for the first time in the session, just the first > >step of the forward move of the wheel; I just migrated to evolution > >these days. > > > >I spent today some time to try to go a bit deeper; I read the man pages > >of devfsd and devfsd.conf, discovered the startup of devfsd in > >/etc/rc.d/rc.sysinit and also the one in /etc/rc.d/init.d. As I did not > >understand clearly the use of the former, I removed the symlink in > >/etc/rc5.d and rebooted. > > > >Now I seem to be able to scroll with the wheel as much as I want in > >galeon and evolution, and the scroll even seems to be very light and > >rapid. > > > >Some more tests : devfsd, even with the defunct modprobe, dies quietly > >with pkill devfsd : and the defunct modprobe disappears ! Then I restart > >it by hand (/sbin/devfsd /dev) and rerun /etc/rc.d/init.d/devfsd start > >by hand : no modprobe defuncts !!! I don't understand ... > >As devfsd is S99devfsd in /etc/rc5.d with some others (linuxconf, > >medusa, local), I renumbered these so that devfsd is really the last one > >: no use, I still got modprobe <defunct> ... > > > >Unfortunately, I did not see anything useful in the logs (/var/log). > > > >I browsed in Google, but I did not see anyone with my problem. > >Does somebody have an idea ? > > > >I am pasting at the end my devfsd.conf : I commented in several USB > >lines (what tool generated them ???) so it's now identical to the > >original one from the rpm (excepted some spaces here and there) > > > >Best regards > > > > > >------------------------------------------------------------------------ > > > >Want to buy your Pack or Services from MandrakeSoft? > >Go to http://www.mandrakestore.com > > > devfsd is still very much bleeding edge... Maybe this next go-round the > tide will turn, but someone has to get it tested and working because.... > > There are USB memories (storage devices) and CDRWs and webcams and > scanners and mice that regularly get plugged in or removed in a hotswap > fashion. hotplug is part of the answer, but devices have to ne made and > removed dynamically as well and that is the function of devfs. There > are firewire hard drives that will soon need support, too. > > And all of that "fluff" to some of us is still vital to many users, and > it isn't all fluff, either. If you want to build in a failover > capability, then the system has to be able to handle the hotswap of > drives, so even entry into mid-level servers is partially dependent on > devfs. > > OK, for the rest of it, I have no idea... I am not able to reproduce > the messages or behavior on any of my 8.2 machines, so it is a good > question. I have the following: > > 1. Intel BP810 Chipset Celeron 466 128M 10G CDROM floppy, USB mouse and > keyboard (Yep a logo-removed barbie(tm)) > 2. ASUS A7N266-VM Duron 1G 512M DDR 40G & 20G (RAIDed with dual-boot > fior win) PS/2 Kbd USB Optical wheelmouse CDRW/DVD > 3. Jetway 630TCF with 900MHz C3 192M SDRAM 20G Acer CDRW USB Optical > wheelmouse PS/2 kbd > 4. ECS K7S5A Voodoo5 5500 800MHz T-Bird 256M SDRAM PS/2 Optical > Wheelmouse and Kbd, CDRW > 5. Compaq Professional Workstation 5000 Twin 200MHz PPro 512K cache > matched step 160M RAM PS/2 Optical wheelmouse PS/2 Kbd, NEC PD drive, 2G > & 4G SCSI-UW drives. > 6. ECS P6VEM C3 733 256M PS/2 Mouse and Kbd 40G, LS120, CD > 7. IBM PC300GL PII-300 192MRAM 12G Wearnes CDRW PS/2 Optical > Wheelmouse, PS/2 Kbd Intel LX type chipset with embedded CL video on > mainboard. > > > Civileme > > And if you would care to actually paste devfsd.conf this time around, I > will read it with interest > > > > ---- >
> Want to buy your Pack or Services from MandrakeSoft? > Go to http://www.mandrakestore.com Many thanks for your answer. I supposed that it was about hotplug. So in my case (rather simple and stable home configuration) I suppose that I can leave /etc/rc5.d/S99devfsd stopped ? I apologize for the missing file. I included it using the evolution menu "Insert/Inline text file" : I can see the file in the copy of the mail that I posted, I can see it also in the copy of the mail that I received as a member of the expert list : may it be a problem with evolution - something that I did not learn yet ? Well I am going to copy it with the mouse, tell me whether you see it or not. Can I help with devfsd? And also : if I do tests, will it be useful ? Maybe the next version of devfsd will work even with my configuration, as I suppose that they a working hard on devfsd. I did not want to post at first in the devfsd mailing list, rather first ask to Mandrake people : but now should I ? Anyway, I went on with some others tests this evening : all of them have been unsuccessful :-( - I have one service that displays [ OK ] in vc/1 very late after that the desktop has started; I changed /etc/init.d/functions in order to display it's name along with "OK" : because, if when I restart devfsd by hand from within an xterm, it starts correctly, the "modprobe <defunct>" may be related to some timing problem ? Well, the service is 'smbd -HUP' : are there any modules involved with smbd which could conflict with devfsd ? - Years ago, there were conflicts if starting gpm along with the X server : as my problem seems to be related to the mouse, I rebooted without gpm : and still got modprobe <defunct> - as it's about modprobe, I listed the modules when booting with, and without, S99devfsd : you will find both lists below, along with the differences - I am not sure that I am able to guess anything from this BTW, my mouse is a PS/2 MS wheel mouse, connected on a PS/2 port. - usually, when I know a subject enough (or if it's not too hard, if the doc is a good one ...), I am able to debug myself : setting the debug mode, and analysing the logs; here, I am not sure I understand devfsd debug mode : it tells that no action will occur; and I really don't know how to cut devfsd.conf into parts, without damaging my OS or spending to much time, in order to finally get at least a clue. If you believe I can help, can you give my advices in order to do some tests ? (how to modify devfsd.conf or else) Best regards -- Robert Grasso @home # Sample /etc/devfsd.conf configuration file. # Richard Gooch <[EMAIL PROTECTED]> 17-FEB-2002 # # Enable full compatibility mode for old device names. You may comment these # out if you don't use the old device names. Make sure you know what you're # doing! REGISTER .* MKOLDCOMPAT UNREGISTER .* RMOLDCOMPAT # You may comment out the above and uncomment the following if you've # configured your system to use the original "new" devfs names or the really # new names #REGISTER ^vc/ MKOLDCOMPAT #UNREGISTER ^vc/ RMOLDCOMPAT #REGISTER ^pty/ MKOLDCOMPAT #UNREGISTER ^pty/ RMOLDCOMPAT #REGISTER ^misc/ MKOLDCOMPAT #UNREGISTER ^misc/ RMOLDCOMPAT # You may comment these out if you don't use the original "new" names REGISTER .* MKNEWCOMPAT UNREGISTER .* RMNEWCOMPAT # Enable module autoloading. You may comment this out if you don't use # autoloading LOOKUP .* MODLOAD # Uncomment the following if you want to set the group to "tty" for the # pseudo-tty devices. This is necessary so that mesg(1) can later be used to # enable/disable talk requests and wall(1) messages. REGISTER ^pty/s.* PERMISSIONS -1.tty 0600 REGISTER ^pts/.* PERMISSIONS -1.tty 0600 # # Uncomment this if you want permissions to be saved and restored # Do not do this for pseudo-terminal devices REGISTER ^pt[sy] IGNORE CREATE ^pt[sy] IGNORE CHANGE ^pt[sy] IGNORE DELETE ^pt[sy] IGNORE REGISTER .* COPY /lib/dev-state/$devname $devpath CREATE .* COPY $devpath /lib/dev-state/$devname CHANGE .* COPY $devpath /lib/dev-state/$devname DELETE .* CFUNCTION GLOBAL unlink /lib/dev-state/$devname RESTORE /lib/dev-state # # Uncomment this if you want the old /dev/cdrom symlink REGISTER ^cdroms/cdrom0$ CFUNCTION GLOBAL mksymlink $devname cdrom UNREGISTER ^cdroms/cdrom0$ CFUNCTION GLOBAL unlink cdrom REGISTER ^v4l/video0$ CFUNCTION GLOBAL symlink v4l/video0 video UNREGISTER ^v4l/video0$ CFUNCTION GLOBAL unlink video # ALSA stuff #LOOKUP snd MODLOAD ACTION snd # Manage USB mouse #REGISTER ^input/mouse0$ CFUNCTION GLOBAL mksymlink input/mouse0 usbmouse #UNREGISTER ^input/mouse0$ CFUNCTION GLOBAL unlink usbmouse # dynamic desktop and co #REGISTER .*/part.* EXECUTE /etc/dynamic/scripts/part.script add $devpath #UNREGISTER .*/part.* EXECUTE /etc/dynamic/scripts/part.script del $devpath REGISTER v4l/video.* EXECUTE /etc/dynamic/scripts/webcam.script add $devpath UNREGISTER v4l/video.* EXECUTE /etc/dynamic/scripts/webcam.script del $devpath REGISTER usb/scanner.* EXECUTE /etc/dynamic/scripts/scanner.script add $devpath UNREGISTER usb/scanner.* EXECUTE /etc/dynamic/scripts/scanner.script del $devpath REGISTER usb/rio500 EXECUTE /etc/dynamic/scripts/rio500.script add $devpath UNREGISTER usb/rio500 EXECUTE /etc/dynamic/scripts/rio500.script del $devpath REGISTER usb/tts/[13579] EXECUTE /etc/dynamic/scripts/visor.script add $devpath UNREGISTER usb/tts/[13579] EXECUTE /etc/dynamic/scripts/visor.script del $devpath REGISTER (usb/lp.*|printers/.*) EXECUTE /etc/dynamic/scripts/lp.script add $devpath UNREGISTER (usb/lp.*|printers/.*) EXECUTE /etc/dynamic/scripts/lp.script del $devpath # Uncomment this to let PAM manage devfs REGISTER .* CFUNCTION /lib/security/pam_console_apply_devfsd.so pam_console_apply_single $devpath # Uncomment this to manage USB mouse #REGISTER ^input/mouse0$ CFUNCTION GLOBAL mksymlink $devname usbmouse #UNREGISTER ^input/mouse0$ CFUNCTION GLOBAL unlink usbmouse #REGISTER ^input/mice$ CFUNCTION GLOBAL mksymlink $devname usbmouse #UNREGISTER ^input/mice$ CFUNCTION GLOBAL unlink usbmouse # If you have removable media and want to force media revalidation when looking # up new or old compatibility names, uncomment the following lines # SCSI NEWCOMPAT /dev/sd/* names LOOKUP ^(sd/c[0-9]+b[0-9]+t[0-9]+u[0-9]+)p[0-9]+$ EXECUTE /bin/dd if=$mntpnt/\1 of=/dev/null count=1 # SCSI OLDCOMPAT /dev/sd?? names LOOKUP ^(sd[a-z]+)[0-9]+$ EXECUTE /bin/dd if=$mntpnt/\1 of=/dev/null count=1 # IDE NEWCOMPAT /dev/ide/hd/* names LOOKUP ^(ide/hd/c[0-9]+b[0-9]+t[0-9]+u[0-9]+)p[0-9]+$ EXECUTE /bin/dd if=$mntpnt/\1 of=/dev/null count=1 # IDE OLDCOMPAT /dev/hd?? names LOOKUP ^(hd[a-z])[0-9]+$ EXECUTE /bin/dd if=$mntpnt/\1 of=/dev/null count=1 # Include package-generated files from /etc/devfs/conf.d OPTIONAL_INCLUDE /etc/devfs/conf.d/ ----------------------------------------------------------------------- lsmod without S99devfsd Module Size Used by Not tainted sr_mod 15160 0 (autoclean) (unused) autofs4 9252 2 (autoclean) opl3sa2 8352 2 ad1848 21408 0 [opl3sa2] mpu401 19200 0 [opl3sa2] sound 57292 2 [opl3sa2 ad1848 mpu401] soundcore 4068 6 [sound] parport_pc 22088 1 (autoclean) lp 6464 0 (autoclean) parport 23968 1 (autoclean) [parport_pc lp] nfsd 69536 8 (autoclean) lockd 49344 1 (autoclean) [nfsd] sunrpc 62964 1 (autoclean) [nfsd lockd] ppp_synctty 5120 0 (unused) ppp_async 6560 1 ppp_generic 19880 3 [ppp_synctty ppp_async] slhc 5056 0 [ppp_generic] nls_cp437 4352 3 (autoclean) nls_iso8859-1 2816 3 (autoclean) smbfs 34304 3 (autoclean) af_packet 12488 2 (autoclean) iptable_mangle 2336 0 (autoclean) (unused) ipt_limit 1184 1 (autoclean) ipt_multiport 960 10 (autoclean) ipt_LOG 3712 2 (autoclean) ipt_state 832 45 (autoclean) iptable_filter 1952 1 (autoclean) ne2k-pci 5120 2 (autoclean) 8390 6416 0 (autoclean) [ne2k-pci] supermount 62180 2 (autoclean) ipt_MASQUERADE 1504 1 iptable_nat 15988 1 [ipt_MASQUERADE] ip_tables 11584 10 [iptable_mangle ipt_limit ipt_multiport ipt_LOG ipt_state iptable_filt er ipt_MASQUERADE iptable_nat] ip_conntrack_ftp 3680 0 (unused) ip_conntrack 15180 3 [ipt_state ipt_MASQUERADE iptable_nat ip_conntrack_ftp] ide-scsi 8032 0 rtc 5912 0 (autoclean) ext3 62092 3 jbd 39356 3 [ext3] aic7xxx 114676 4 sd_mod 11512 10 scsi_mod 93244 4 [sr_mod ide-scsi aic7xxx sd_mod] ----------------------------------------------------------------------- lsmod WITH S99devfsd Module Size Used by Not tainted sr_mod 15160 0 (autoclean) (unused) autofs4 9252 2 (autoclean) opl3sa2 8352 0 (unused) ad1848 21408 0 [opl3sa2] mpu401 19200 0 [opl3sa2] sound 57292 0 [opl3sa2 ad1848 mpu401] soundcore 4068 6 [sound] parport_pc 22088 1 (autoclean) lp 6464 0 (autoclean) parport 23968 1 (autoclean) [parport_pc lp] nfsd 69536 8 (autoclean) lockd 49344 1 (autoclean) [nfsd] sunrpc 62964 1 (autoclean) [nfsd lockd] ppp_synctty 5120 0 (unused) ppp_async 6560 1 ppp_generic 19880 3 [ppp_synctty ppp_async] slhc 5056 0 [ppp_generic] nls_cp437 4352 3 (autoclean) nls_iso8859-1 2816 3 (autoclean) smbfs 34304 3 (autoclean) af_packet 12488 2 (autoclean) iptable_mangle 2336 0 (autoclean) (unused) ipt_limit 1184 1 (autoclean) ipt_multiport 960 10 (autoclean) ipt_LOG 3712 2 (autoclean) ipt_state 832 45 (autoclean) iptable_filter 1952 1 (autoclean) ne2k-pci 5120 2 (autoclean) 8390 6416 0 (autoclean) [ne2k-pci] supermount 62180 2 (autoclean) ipt_MASQUERADE 1504 1 iptable_nat 15988 1 [ipt_MASQUERADE] ip_tables 11584 10 [iptable_mangle ipt_limit ipt_multiport ipt_LOG ipt_state iptable_filter ipt_MASQUERADE iptable_nat] ip_conntrack_ftp 3680 0 (unused) ip_conntrack 15180 3 [ipt_state ipt_MASQUERADE iptable_nat ip_conntrack_ftp] ide-scsi 8032 0 rtc 5912 0 (autoclean) ext3 62092 3 jbd 39356 3 [ext3] aic7xxx 114676 4 sd_mod 11512 9 scsi_mod 93244 4 [sr_mod ide-scsi aic7xxx sd_mod] ----------------------------------------------------------------------- diff "lsmod without S99devfsd" "lsmod with S99devfsd" 4c4 < opl3sa2 8352 2 --- > opl3sa2 8352 0 (unused) 7c7 < sound 57292 2 [opl3sa2 ad1848 mpu401] --- > sound 57292 0 [opl3sa2 ad1848 mpu401] 42c42 < sd_mod 11512 10 --- > sd_mod 11512 9
Want to buy your Pack or Services from MandrakeSoft? Go to http://www.mandrakestore.com
