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Description of problem: Customer connect a WD 1.5TB USB drive on the MRG Realtime 1.2 system, it can not be mounted automatically during reboot, When recycle (power it down and then power it on) it to be able to mount it. After the system is up, the fdisk -l does not display any USB drive partition, and the dmesg does not have any messages for USB partition. The lsusb does list the USB drive. Customer want to automatically mount the USB drive during system reboot, but can not do it right now. Version-Release number of selected component (if applicable): Red Hat Enterprise Linux Server release 5.3 (Tikanga) Linux pcn-rte 2.6.24.7-139.el5rt udev-095-14.19.el5-i386 How reproducible: Every time. Steps to Reproduce: 1.Connect the USB Storage Device 2.reboot System 3.check mount Actual results: Device node Not created. Expected results: Device Node should be created and later should be mounted Additional info: We have tried this Work around on Our System it Works on Updated Kernel kernel-rt-2.6.24.7-169.el5rt.x86_64 But It does not Work on the Customers Place. 1) Clear all the previous entries and add following line's to /etc/rc.local modprobe usb-storage udevsettle mount -a 2) Add following entries to /etc/fstab /dev/(your_Device_Node) /media auto defaults,user 0 0.
boot with normal kernel and execute: $ ( cd $(readlink -f /sys/block/<DRIVENAME> ); while [ $(pwd) != "/sys" ]; do pwd; [ -e modalias ] && modprobe -vn --show-depends $(cat modalias); [ -d driver ] && ls -l driver; cd ..;done; ) example output: /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-1/1-1.1/1-1.1.1/1-1.1.1:1.0/host7/target7:0:0/7:0:0:0/block/sdh /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-1/1-1.1/1-1.1.1/1-1.1.1:1.0/host7/target7:0:0/7:0:0:0/block /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-1/1-1.1/1-1.1.1/1-1.1.1:1.0/host7/target7:0:0/7:0:0:0 FATAL: Module scsi:t_0x00 not found. lrwxrwxrwx 1 root root 0 19. Jul 13:59 driver -> ../../../../../../../../../../../bus/scsi/drivers/sd /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-1/1-1.1/1-1.1.1/1-1.1.1:1.0/host7/target7:0:0 /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-1/1-1.1/1-1.1.1/1-1.1.1:1.0/host7 /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-1/1-1.1/1-1.1.1/1-1.1.1:1.0 insmod /lib/modules/2.6.38.8-35.fc15.x86_64/kernel/drivers/usb/storage/uas.ko insmod /lib/modules/2.6.38.8-35.fc15.x86_64/kernel/drivers/usb/storage/usb-storage.ko lrwxrwxrwx 1 root root 0 19. Jul 13:59 driver -> ../../../../../../../../bus/usb/drivers/usb-storage /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-1/1-1.1/1-1.1.1 lrwxrwxrwx 1 root root 0 19. Jul 13:59 driver -> ../../../../../../../bus/usb/drivers/usb /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-1/1-1.1 lrwxrwxrwx 1 root root 0 19. Jul 13:59 driver -> ../../../../../../bus/usb/drivers/usb /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-1 lrwxrwxrwx 1 root root 0 19. Jul 13:59 driver -> ../../../../../bus/usb/drivers/usb /sys/devices/pci0000:00/0000:00:1d.7/usb1 lrwxrwxrwx 1 root root 0 19. Jul 13:59 driver -> ../../../../bus/usb/drivers/usb /sys/devices/pci0000:00/0000:00:1d.7 FATAL: Module pci:v00008086d000027CCsv00001028sd000001DEbc0Csc03i20 not found. lrwxrwxrwx 1 root root 0 19. Jul 13:55 driver -> ../../../bus/pci/drivers/ehci_hcd /sys/devices/pci0000:00 /sys/devices now you know the needed modules and drivers.
Hi, We tried your suggestion and I saw the following result. RT Kernel - 2.6.24.7-139.el5rt [root@dhcp209-170 ~]# sh test_device.sh --> script containing command /sys/block/sdc /sys/block Regular Kernel - 2.6.18-238.el5 [root@dhcp209-170 ~]# sh test_device.sh --> script containing command /sys/block/sdc /sys/block Both kernel giving same output.It does not shows the driver or modules loaded.
huh? does your "readlink" function properly? $ readlink -f /sys/block/sdc /sys/devices/pci0000:00/0000:00:1f.1/host4/target4:0:1/4:0:1:0/block/sdc
I checked with readlink and here's the o/p $ readlink -f /sys/block/sdc /sys/block/sdc What does it mean? I think readlink function not working properly.
(In reply to comment #11) > I checked with readlink and here's the o/p > > $ readlink -f /sys/block/sdc > /sys/block/sdc > > What does it mean? I think readlink function not working properly. what is the output of: # ls -l /sys/block
works fine on my RHEL-6 virtual machine: # readlink -f /sys/block/sda /sys/devices/pci0000:00/0000:00:01.1/host0/target0:0:0/0:0:0:0/block/sda
# rpm -qf $(command -v readlink) coreutils-8.4-1.el6.i686
ah, doh! sorry... just saw this is RHEL-5.3 :-/
try this: # DRIVENAME=sda # ( cd $(readlink -f /sys/block/$DRIVENAME/device ); while [ $(pwd) != "/sys" ]; do pwd; [ -e modalias ] && modprobe -vn --show-depends $(cat modalias); [ -d driver ] && ls -l driver; cd ..;done; ) example: # ( cd $(readlink -f /sys/block/hda/device ); while [ $(pwd) != "/sys" ]; do pwd; [ -e modalias ] && modprobe -vn --show-depends $(cat modalias); [ -d driver ] && ls -l driver; cd ..;done; ) /sys/devices/pci0000:00/0000:00:01.1/ide0/0.0 FATAL: Module ide:m_disk not found. lrwxrwxrwx 1 root root 0 Jul 21 11:01 driver -> ../../../../../bus/ide/drivers/ide-disk /sys/devices/pci0000:00/0000:00:01.1/ide0 /sys/devices/pci0000:00/0000:00:01.1 insmod /lib/modules/2.6.18-92.1.10.el5/kernel/drivers/scsi/scsi_mod.ko insmod /lib/modules/2.6.18-92.1.10.el5/kernel/drivers/ata/libata.ko insmod /lib/modules/2.6.18-92.1.10.el5/kernel/drivers/ata/ata_piix.ko lrwxrwxrwx 1 root root 0 Jul 21 11:01 driver -> ../../../bus/pci/drivers/PIIX_IDE /sys/devices/pci0000:00 /sys/devices
I tried your command and here's the output. [root@dhcp209-170 /]# cd $(readlink -f /sys/block/sdc/device ); while [ $(pwd) != "/sys" ]; do pwd; [ -e modalias ] && modprobe -vn --show-depends $(cat modalias); [ -d; driver ] && ls -l driver; cd ..;done; /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/host8/target8:0:0/8:0:0:0 insmod /lib/modules/2.6.24.7-139.el5rt/kernel/drivers/scsi/scsi_mod.ko insmod /lib/modules/2.6.24.7-139.el5rt/kernel/drivers/scsi/sd_mod.ko -bash: [: missing `]' -bash: driver: command not found /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/host8/target8:0:0 -bash: [: missing `]' -bash: driver: command not found /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/host8 -bash: [: missing `]' -bash: driver: command not found /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0 FATAL: Module usb:v03F0p3307d8192dc00dsc00dp00ic08isc06ip50 not found. -bash: [: missing `]' -bash: driver: command not found /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4 -bash: [: missing `]' -bash: driver: command not found /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1 -bash: [: missing `]' -bash: driver: command not found /sys/devices/pci0000:00/0000:00:1d.0/usb2 -bash: [: missing `]' -bash: driver: command not found /sys/devices/pci0000:00/0000:00:1d.0 insmod /lib/modules/2.6.24.7-139.el5rt/kernel/drivers/usb/host/ehci-hcd.ko -bash: [: missing `]' -bash: driver: command not found /sys/devices/pci0000:00 -bash: [: missing `]' -bash: driver: command not found /sys/devices -bash: [: missing `]' -bash: driver: command not found
[ -d; driver ] .... remove the ";" ... copy and paste error
Apologies for mistake.. [root@dhcp209-170 sys]# cd $(readlink -f /sys/block/sdc/device ); while [ $(pwd) != "/sys" ]; do pwd; [ -e modalias ] && modprobe -vn --show-depends $(cat modalias); [ -d driver ] && ls -l driver; cd ..;done; /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/host8/target8:0:0/8:0:0:0 insmod /lib/modules/2.6.24.7-139.el5rt/kernel/drivers/scsi/scsi_mod.ko insmod /lib/modules/2.6.24.7-139.el5rt/kernel/drivers/scsi/sd_mod.ko lrwxrwxrwx 1 root root 0 Jul 21 14:01 driver -> ../../../../../../../../../../bus/scsi/drivers/sd /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/host8/target8:0:0 /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/host8 /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0 FATAL: Module usb:v03F0p3307d8192dc00dsc00dp00ic08isc06ip50 not found. lrwxrwxrwx 1 root root 0 Jul 21 14:01 driver -> ../../../../../../../bus/usb/drivers/usb-storage /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4 lrwxrwxrwx 1 root root 0 Jul 21 14:01 driver -> ../../../../../../bus/usb/drivers/usb /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1 lrwxrwxrwx 1 root root 0 Jul 21 11:28 driver -> ../../../../../bus/usb/drivers/usb /sys/devices/pci0000:00/0000:00:1d.0/usb2 lrwxrwxrwx 1 root root 0 Jul 21 11:28 driver -> ../../../../bus/usb/drivers/usb /sys/devices/pci0000:00/0000:00:1d.0 insmod /lib/modules/2.6.24.7-139.el5rt/kernel/drivers/usb/host/ehci-hcd.ko lrwxrwxrwx 1 root root 0 Jul 21 11:28 driver -> ../../../bus/pci/drivers/ehci_hcd /sys/devices/pci0000:00 /sys/devices Now it shows the correct output.
so, as you can see, you need modules: * scsi_mod.ko * sd_mod.ko * ehci-hcd.ko and drivers compiled in the kernel: * usb * usb-storage
(In reply to comment #20) > so, as you can see, you need modules: > * scsi_mod.ko > * sd_mod.ko > * ehci-hcd.ko These modules are loaded. > and drivers compiled in the kernel: > * usb > * usb-storage These modules need to be modprobe. I think these are not compiled in kernel.
O/P of command from customer .. [root@pcn-rte usbissue]# cd $(readlink -f /sys/block/sda/device ); while [ $(pwd) != "/sys" ]; do pwd; [ -e modalias ] && modprobe -vn --show- depends $(cat modalias); [ -d driver ] && ls -l driver; cd ..;done; /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-7/1-7:1.0/host2/target2:0:0/2:0:0:0 insmod /lib/modules/2.6.24.7-169.el5rt/kernel/drivers/scsi/scsi_mod.ko insmod /lib/modules/2.6.24.7-169.el5rt/kernel/drivers/scsi/sd_mod.ko lrwxrwxrwx 1 root root 0 Jul 26 20:42 driver -> ../../../../../../../../../bus/scsi/drivers/sd /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-7/1-7:1.0/host2/target2:0:0 /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-7/1-7:1.0/host2 /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-7/1-7:1.0 FATAL: Module usb:v1058p1110d2003dc00dsc00dp00ic08isc06ip50 not found. lrwxrwxrwx 1 root root 0 Jul 26 20:42 driver -> ../../../../../../bus/usb/drivers/usb-storage /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-7 lrwxrwxrwx 1 root root 0 Jul 26 20:42 driver -> ../../../../../bus/usb/drivers/usb /sys/devices/pci0000:00/0000:00:1d.7/usb1 lrwxrwxrwx 1 root root 0 Jul 26 20:42 driver -> ../../../../bus/usb/drivers/usb /sys/devices/pci0000:00/0000:00:1d.7 insmod /lib/modules/2.6.24.7-169.el5rt/kernel/drivers/usb/host/ehci-hcd.ko lrwxrwxrwx 1 root root 0 Jul 26 20:42 driver -> ../../../bus/pci/drivers/ehci_hcd /sys/devices/pci0000:00 /sys/devices USB module not found. Kernel might be failed to load USB module .
(In reply to comment #22) > O/P of command from customer .. > > [root@pcn-rte usbissue]# cd $(readlink -f /sys/block/sda/device ); while [ > $(pwd) != "/sys" ]; do pwd; [ -e modalias ] && modprobe -vn --show- > depends $(cat modalias); [ -d driver ] && ls -l driver; cd ..;done; > > > /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-7/1-7:1.0/host2/target2:0:0/2:0:0:0 > insmod /lib/modules/2.6.24.7-169.el5rt/kernel/drivers/scsi/scsi_mod.ko > insmod /lib/modules/2.6.24.7-169.el5rt/kernel/drivers/scsi/sd_mod.ko > lrwxrwxrwx 1 root root 0 Jul 26 20:42 driver -> > ../../../../../../../../../bus/scsi/drivers/sd > /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-7/1-7:1.0/host2/target2:0:0 > /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-7/1-7:1.0/host2 > /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-7/1-7:1.0 > FATAL: Module usb:v1058p1110d2003dc00dsc00dp00ic08isc06ip50 not found. > lrwxrwxrwx 1 root root 0 Jul 26 20:42 driver -> > ../../../../../../bus/usb/drivers/usb-storage > /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-7 > lrwxrwxrwx 1 root root 0 Jul 26 20:42 driver -> > ../../../../../bus/usb/drivers/usb > /sys/devices/pci0000:00/0000:00:1d.7/usb1 > lrwxrwxrwx 1 root root 0 Jul 26 20:42 driver -> ../../../../bus/usb/drivers/usb > /sys/devices/pci0000:00/0000:00:1d.7 > insmod /lib/modules/2.6.24.7-169.el5rt/kernel/drivers/usb/host/ehci-hcd.ko > lrwxrwxrwx 1 root root 0 Jul 26 20:42 driver -> > ../../../bus/pci/drivers/ehci_hcd > /sys/devices/pci0000:00 > /sys/devices > > USB module not found. > Kernel might be failed to load USB module . I see no problem here. In fact /dev/sda is present.. what is the problem?
Yeah.. /dev/sda is node is created but it fails to mount.
so, it's not a udev problem, but a _real_ kernel problem. Linux pcn-rte 2.6.24.7-139.el5rt Not sure, what the "real time kernel" component is.
MRG-1 on Red Hat Enterprise Linux 5 reached it's end of life on March 31, 2014. Because this issue is against the MRG-1 release, we are closing it WONTFIX. If you believe this is still an issue on our most recent MRG-2.5 3.10 kernel, please file a new issue for tracking.