Attachment 576011 Details for Bug 806676 – Details of failure of eSATA hotswap on 2nd attempt

Details of failure of eSATA hotswap on 2nd attempt

eSATA_prob (text/plain), 27.55 KB, created by Dr J Austin on 2012-04-08 10:16:15 UTC

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Creator: Dr J Austin

Created: 2012-04-08 10:16:15 UTC

Size: 27.55 KB

patch

obsolete

>I believe this problem is still present in kernel
>[root@minix ~]# uname -a
>Linux minix 3.3.1-3.fc16.x86_64 #1 SMP Wed Apr 4 18:08:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
>
>
>Summary
>Plugin eSATA disk - device driver entries are created
>/dev/sdb
>/dev/sdb1
>Disk is mounted
>
>umount the disk
>the device driver entries remain
>/dev/sdb
>/dev/sdb1
>unplug the eSATA drive
>after a delay the drive entries are removed
>
>Plugin the eSATA drive - Nothing is seen in dmesg, /dev, /var/log/messages
>
>
>John
>
>
>####################################################
>Clean reboot
>[root@minix ~]# ls -l /dev/sd*
>brw-rw----. 1 root disk 8, 0 Apr  8 10:46 /dev/sda
>brw-rw----. 1 root disk 8, 1 Apr  8 10:46 /dev/sda1
>brw-rw----. 1 root disk 8, 2 Apr  8 10:46 /dev/sda2
>brw-rw----. 1 root disk 8, 3 Apr  8 10:46 /dev/sda3
>brw-rw----. 1 root disk 8, 4 Apr  8 10:46 /dev/sda4
>brw-rw----. 1 root disk 8, 5 Apr  8 10:46 /dev/sda5
>[root@minix ~]# mount|grep sd
>/dev/sda4 on / type ext4 (rw,noatime,seclabel,user_xattr,acl,barrier=1,data=ordered,discard)
>/dev/sda3 on /boot type ext4 (rw,noatime,seclabel,user_xattr,acl,barrier=1,data=ordered,discard)
>
>
>[root@minix ~]# tail -n30 /var/log/messages
>Apr  8 10:46:48 minix dbus[937]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service'
>Apr  8 10:46:48 minix dbus-daemon[937]: dbus[937]: [system] Activating via systemd: service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service'
>Apr  8 10:46:48 minix dbus-daemon[937]: dbus[937]: [system] Successfully activated service 'org.freedesktop.RealtimeKit1'
>Apr  8 10:46:48 minix dbus[937]: [system] Successfully activated service 'org.freedesktop.RealtimeKit1'
>Apr  8 10:46:48 minix rtkit-daemon[1867]: Successfully made thread 1863 of process 1863 (/usr/bin/pulseaudio) owned by '202' high priority at nice level -11.
>Apr  8 10:46:48 minix rtkit-daemon[1867]: Successfully made thread 1920 of process 1863 (/usr/bin/pulseaudio) owned by '202' RT at priority 5.
>Apr  8 10:46:48 minix rtkit-daemon[1867]: Successfully made thread 1930 of process 1863 (/usr/bin/pulseaudio) owned by '202' RT at priority 5.
>Apr  8 10:46:48 minix kernel: [   32.574451] hda-intel: IRQ timing workaround is activated for card #1. Suggest a bigger bdl_pos_adj.
>Apr  8 10:46:48 minix rtkit-daemon[1867]: Successfully made thread 1931 of process 1863 (/usr/bin/pulseaudio) owned by '202' RT at priority 5.
>Apr  8 10:46:49 minix dbus[937]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service'
>Apr  8 10:46:49 minix dbus-daemon[937]: dbus[937]: [system] Activating via systemd: service name='org.bluez' unit='dbus-org.bluez.service'
>Apr  8 10:46:49 minix dbus[937]: [system] Activation via systemd failed for unit 'dbus-org.bluez.service': Unit dbus-org.bluez.service failed to load: No such file or directory. See system logs and 'systemctl status dbus-org.bluez.service' for details.
>Apr  8 10:46:49 minix dbus-daemon[937]: dbus[937]: [system] Activation via systemd failed for unit 'dbus-org.bluez.service': Unit dbus-org.bluez.service failed to load: No such file or directory. See system logs and 'systemctl status dbus-org.bluez.service' for details.
>Apr  8 10:46:49 minix pulseaudio[1863]: bluetooth-util.c: Error from ListAdapters reply: org.freedesktop.systemd1.LoadFailed
>Apr  8 10:46:49 minix goa[1934]: goa-daemon version 3.2.1 starting [main.c:112, main()]
>Apr  8 10:46:49 minix rtkit-daemon[1867]: Successfully made thread 1938 of process 1938 (/usr/bin/pulseaudio) owned by '202' high priority at nice level -11.
>Apr  8 10:46:49 minix pulseaudio[1938]: pid.c: Daemon already running.
>Apr  8 10:47:12 minix dbus-daemon[937]: ** Message: No devices in use, exit
>Apr  8 10:47:37 minix dbus[937]: [system] Activating service name='net.reactivated.Fprint' (using servicehelper)
>Apr  8 10:47:37 minix dbus-daemon[937]: dbus[937]: [system] Activating service name='net.reactivated.Fprint' (using servicehelper)
>Apr  8 10:47:37 minix dbus-daemon[937]: Launching FprintObject
>Apr  8 10:47:37 minix dbus[937]: [system] Successfully activated service 'net.reactivated.Fprint'
>Apr  8 10:47:37 minix dbus-daemon[937]: dbus[937]: [system] Successfully activated service 'net.reactivated.Fprint'
>Apr  8 10:47:37 minix dbus-daemon[937]: ** Message: D-Bus service launched with name: net.reactivated.Fprint
>Apr  8 10:47:37 minix dbus-daemon[937]: ** Message: entering main loop
>Apr  8 10:48:07 minix dbus-daemon[937]: ** Message: No devices in use, exit
>Apr  8 10:48:30 minix dbus[937]: [system] Activating service name='org.freedesktop.UDisks' (using servicehelper)
>Apr  8 10:48:30 minix dbus-daemon[937]: dbus[937]: [system] Activating service name='org.freedesktop.UDisks' (using servicehelper)
>Apr  8 10:48:30 minix dbus[937]: [system] Successfully activated service 'org.freedesktop.UDisks'
>Apr  8 10:48:30 minix dbus-daemon[937]: dbus[937]: [system] Successfully activated service 'org.freedesktop.UDisks'
>[root@minix ~]# 
>
>
>
>[root@minix ~]# dmesg |tail -n30
>[    9.231878] ppdev: user-space parallel port driver
>[    9.306470] netlink: 12 bytes leftover after parsing attributes.
>[    9.306988] netlink: 12 bytes leftover after parsing attributes.
>[    9.307135] netlink: 12 bytes leftover after parsing attributes.
>[    9.361167] tg3 0000:03:00.0: p10p1: Link is down
>[   12.373117] tg3 0000:03:00.0: p10p1: Link is up at 1000 Mbps, full duplex
>[   12.373180] tg3 0000:03:00.0: p10p1: Flow control is on for TX and on for RX
>[   12.375481] ADDRCONF(NETDEV_CHANGE): p10p1: link becomes ready
>[   12.375823] /dev/vmnet: open called by PID 1087 (vmnet-bridge)
>[   12.375831] /dev/vmnet: hub 0 does not exist, allocating memory.
>[   12.375850] /dev/vmnet: port on hub 0 successfully opened
>[   12.375863] bridge-p10p1: up
>[   12.375867] bridge-p10p1: attached
>[   14.930236] SELinux: initialized (dev autofs, type autofs), uses genfs_contexts
>[   14.983512] SELinux: initialized (dev autofs, type autofs), uses genfs_contexts
>[   14.984737] SELinux: initialized (dev autofs, type autofs), uses genfs_contexts
>[   14.994196] SELinux: initialized (dev autofs, type autofs), uses genfs_contexts
>[   14.997462] SELinux: initialized (dev autofs, type autofs), uses genfs_contexts
>[   16.478908] [drm] Setting GART location based on new memory map
>[   16.479819] [drm] Loading RS780 CP Microcode
>[   16.525761] [drm] Resetting GPU
>[   16.525824] [drm] writeback test succeeded in 1 usecs
>[   17.435126] FS-Cache: Loaded
>[   17.438260] FS-Cache: Netfs 'nfs' registered for caching
>[   17.442577] SELinux: initialized (dev 0:29, type nfs4), uses genfs_contexts
>[   17.443580] SELinux: initialized (dev 0:2a, type nfs4), uses genfs_contexts
>[   23.064761] p10p1: no IPv6 routers present
>[   24.702306] lp: driver loaded but no devices found
>[   32.214098] NFS: v4 server 148.197.29.5 does not accept raw uid/gids. Reenabling the idmapper.
>[   32.574451] hda-intel: IRQ timing workaround is activated for card #1. Suggest a bigger bdl_pos_adj.
>[root@minix ~]# 
>
>
>Plugin eSATA 1st time
>
>
>[root@minix ~]# ls -l /dev/sd*
>brw-rw----. 1 root disk 8,  0 Apr  8 10:46 /dev/sda
>brw-rw----. 1 root disk 8,  1 Apr  8 10:46 /dev/sda1
>brw-rw----. 1 root disk 8,  2 Apr  8 10:46 /dev/sda2
>brw-rw----. 1 root disk 8,  3 Apr  8 10:46 /dev/sda3
>brw-rw----. 1 root disk 8,  4 Apr  8 10:46 /dev/sda4
>brw-rw----. 1 root disk 8,  5 Apr  8 10:46 /dev/sda5
>brw-rw----. 1 root disk 8, 16 Apr  8 10:50 /dev/sdb
>brw-rw----. 1 root disk 8, 17 Apr  8 10:50 /dev/sdb1
>
>
>[root@minix ~]# mount|grep sd
>/dev/sda4 on / type ext4 (rw,noatime,seclabel,user_xattr,acl,barrier=1,data=ordered,discard)
>/dev/sda3 on /boot type ext4 (rw,noatime,seclabel,user_xattr,acl,barrier=1,data=ordered,discard)
>/dev/sdb1 on /media/throttle type ext4 (rw,noatime,seclabel,user_xattr,acl,barrier=1,data=ordered)
>
>
>[root@minix ~]# tail -n30 /var/log/messages
>Apr  8 10:47:37 minix dbus[937]: [system] Activating service name='net.reactivated.Fprint' (using servicehelper)
>Apr  8 10:47:37 minix dbus-daemon[937]: dbus[937]: [system] Activating service name='net.reactivated.Fprint' (using servicehelper)
>Apr  8 10:47:37 minix dbus-daemon[937]: Launching FprintObject
>Apr  8 10:47:37 minix dbus[937]: [system] Successfully activated service 'net.reactivated.Fprint'
>Apr  8 10:47:37 minix dbus-daemon[937]: dbus[937]: [system] Successfully activated service 'net.reactivated.Fprint'
>Apr  8 10:47:37 minix dbus-daemon[937]: ** Message: D-Bus service launched with name: net.reactivated.Fprint
>Apr  8 10:47:37 minix dbus-daemon[937]: ** Message: entering main loop
>Apr  8 10:48:07 minix dbus-daemon[937]: ** Message: No devices in use, exit
>Apr  8 10:48:30 minix dbus[937]: [system] Activating service name='org.freedesktop.UDisks' (using servicehelper)
>Apr  8 10:48:30 minix dbus-daemon[937]: dbus[937]: [system] Activating service name='org.freedesktop.UDisks' (using servicehelper)
>Apr  8 10:48:30 minix dbus[937]: [system] Successfully activated service 'org.freedesktop.UDisks'
>Apr  8 10:48:30 minix dbus-daemon[937]: dbus[937]: [system] Successfully activated service 'org.freedesktop.UDisks'
>Apr  8 10:50:45 minix kernel: [  268.698356] ata4: exception Emask 0x10 SAct 0x0 SErr 0x40c0000 action 0xe frozen
>Apr  8 10:50:45 minix kernel: [  268.698365] ata4: irq_stat 0x00000040, connection status changed
>Apr  8 10:50:45 minix kernel: [  268.698374] ata4: SError: { CommWake 10B8B DevExch }
>Apr  8 10:50:45 minix kernel: [  268.698388] ata4: hard resetting link
>Apr  8 10:50:45 minix kernel: [  269.576193] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>Apr  8 10:50:45 minix kernel: [  269.576711] ata4.00: ATA-8: THROTTLE, 081016, max UDMA/100
>Apr  8 10:50:45 minix kernel: [  269.576721] ata4.00: 63078400 sectors, multi 0: LBA 
>Apr  8 10:50:45 minix kernel: [  269.576729] ata4.00: applying bridge limits
>Apr  8 10:50:45 minix kernel: [  269.577307] ata4.00: configured for UDMA/100
>Apr  8 10:50:45 minix kernel: [  269.577323] ata4: EH complete
>Apr  8 10:50:45 minix kernel: [  269.577531] scsi 3:0:0:0: Direct-Access     ATA      THROTTLE         0810 PQ: 0 ANSI: 5
>Apr  8 10:50:45 minix kernel: [  269.578066] sd 3:0:0:0: [sdb] 63078400 512-byte logical blocks: (32.2 GB/30.0 GiB)
>Apr  8 10:50:45 minix kernel: [  269.578310] sd 3:0:0:0: [sdb] Write Protect is off
>Apr  8 10:50:45 minix kernel: [  269.578511] sd 3:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
>Apr  8 10:50:45 minix kernel: [  269.579251] sd 3:0:0:0: Attached scsi generic sg1 type 0
>Apr  8 10:50:45 minix kernel: [  269.583487]  sdb: sdb1
>Apr  8 10:50:45 minix kernel: [  269.584241] sd 3:0:0:0: [sdb] Attached SCSI disk
>Apr  8 10:50:46 minix kernel: [  269.786482] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
>
>[root@minix ~]# dmesg |tail -n30
>[   16.525761] [drm] Resetting GPU
>[   16.525824] [drm] writeback test succeeded in 1 usecs
>[   17.435126] FS-Cache: Loaded
>[   17.438260] FS-Cache: Netfs 'nfs' registered for caching
>[   17.442577] SELinux: initialized (dev 0:29, type nfs4), uses genfs_contexts
>[   17.443580] SELinux: initialized (dev 0:2a, type nfs4), uses genfs_contexts
>[   23.064761] p10p1: no IPv6 routers present
>[   24.702306] lp: driver loaded but no devices found
>[   32.214098] NFS: v4 server 148.197.29.5 does not accept raw uid/gids. Reenabling the idmapper.
>[   32.574451] hda-intel: IRQ timing workaround is activated for card #1. Suggest a bigger bdl_pos_adj.
>[  268.698356] ata4: exception Emask 0x10 SAct 0x0 SErr 0x40c0000 action 0xe frozen
>[  268.698365] ata4: irq_stat 0x00000040, connection status changed
>[  268.698374] ata4: SError: { CommWake 10B8B DevExch }
>[  268.698388] ata4: hard resetting link
>[  269.576193] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>[  269.576711] ata4.00: ATA-8: THROTTLE, 081016, max UDMA/100
>[  269.576721] ata4.00: 63078400 sectors, multi 0: LBA 
>[  269.576729] ata4.00: applying bridge limits
>[  269.577307] ata4.00: configured for UDMA/100
>[  269.577323] ata4: EH complete
>[  269.577531] scsi 3:0:0:0: Direct-Access     ATA      THROTTLE         0810 PQ: 0 ANSI: 5
>[  269.578066] sd 3:0:0:0: [sdb] 63078400 512-byte logical blocks: (32.2 GB/30.0 GiB)
>[  269.578310] sd 3:0:0:0: [sdb] Write Protect is off
>[  269.578318] sd 3:0:0:0: [sdb] Mode Sense: 00 3a 00 00
>[  269.578511] sd 3:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
>[  269.579251] sd 3:0:0:0: Attached scsi generic sg1 type 0
>[  269.583487]  sdb: sdb1
>[  269.584241] sd 3:0:0:0: [sdb] Attached SCSI disk
>[  269.786482] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
>[  269.786501] SELinux: initialized (dev sdb1, type ext4), uses xattr
>[root@minix ~]# 
>
>
>[root@minix ~]# umount /media/throttle
>[root@minix ~]# 
>
>
>[root@minix ~]# mount|grep sd
>/dev/sda4 on / type ext4 (rw,noatime,seclabel,user_xattr,acl,barrier=1,data=ordered,discard)
>/dev/sda3 on /boot type ext4 (rw,noatime,seclabel,user_xattr,acl,barrier=1,data=ordered,discard)
>
>
>[root@minix ~]# ls -l /dev/sd*
>brw-rw----. 1 root disk 8,  0 Apr  8 10:46 /dev/sda
>brw-rw----. 1 root disk 8,  1 Apr  8 10:46 /dev/sda1
>brw-rw----. 1 root disk 8,  2 Apr  8 10:46 /dev/sda2
>brw-rw----. 1 root disk 8,  3 Apr  8 10:46 /dev/sda3
>brw-rw----. 1 root disk 8,  4 Apr  8 10:46 /dev/sda4
>brw-rw----. 1 root disk 8,  5 Apr  8 10:46 /dev/sda5
>brw-rw----. 1 root disk 8, 16 Apr  8 10:50 /dev/sdb
>brw-rw----. 1 root disk 8, 17 Apr  8 10:50 /dev/sdb1
>
>
>[root@minix ~]# dmesg |tail -n30
>[   16.525761] [drm] Resetting GPU
>[   16.525824] [drm] writeback test succeeded in 1 usecs
>[   17.435126] FS-Cache: Loaded
>[   17.438260] FS-Cache: Netfs 'nfs' registered for caching
>[   17.442577] SELinux: initialized (dev 0:29, type nfs4), uses genfs_contexts
>[   17.443580] SELinux: initialized (dev 0:2a, type nfs4), uses genfs_contexts
>[   23.064761] p10p1: no IPv6 routers present
>[   24.702306] lp: driver loaded but no devices found
>[   32.214098] NFS: v4 server 148.197.29.5 does not accept raw uid/gids. Reenabling the idmapper.
>[   32.574451] hda-intel: IRQ timing workaround is activated for card #1. Suggest a bigger bdl_pos_adj.
>[  268.698356] ata4: exception Emask 0x10 SAct 0x0 SErr 0x40c0000 action 0xe frozen
>[  268.698365] ata4: irq_stat 0x00000040, connection status changed
>[  268.698374] ata4: SError: { CommWake 10B8B DevExch }
>[  268.698388] ata4: hard resetting link
>[  269.576193] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>[  269.576711] ata4.00: ATA-8: THROTTLE, 081016, max UDMA/100
>[  269.576721] ata4.00: 63078400 sectors, multi 0: LBA 
>[  269.576729] ata4.00: applying bridge limits
>[  269.577307] ata4.00: configured for UDMA/100
>[  269.577323] ata4: EH complete
>[  269.577531] scsi 3:0:0:0: Direct-Access     ATA      THROTTLE         0810 PQ: 0 ANSI: 5
>[  269.578066] sd 3:0:0:0: [sdb] 63078400 512-byte logical blocks: (32.2 GB/30.0 GiB)
>[  269.578310] sd 3:0:0:0: [sdb] Write Protect is off
>[  269.578318] sd 3:0:0:0: [sdb] Mode Sense: 00 3a 00 00
>[  269.578511] sd 3:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
>[  269.579251] sd 3:0:0:0: Attached scsi generic sg1 type 0
>[  269.583487]  sdb: sdb1
>[  269.584241] sd 3:0:0:0: [sdb] Attached SCSI disk
>[  269.786482] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
>[  269.786501] SELinux: initialized (dev sdb1, type ext4), uses xattr
>[root@minix ~]# 
>
>
>[root@minix ~]# tail -n30 /var/log/messages
>Apr  8 10:47:37 minix dbus[937]: [system] Activating service name='net.reactivated.Fprint' (using servicehelper)
>Apr  8 10:47:37 minix dbus-daemon[937]: dbus[937]: [system] Activating service name='net.reactivated.Fprint' (using servicehelper)
>Apr  8 10:47:37 minix dbus-daemon[937]: Launching FprintObject
>Apr  8 10:47:37 minix dbus[937]: [system] Successfully activated service 'net.reactivated.Fprint'
>Apr  8 10:47:37 minix dbus-daemon[937]: dbus[937]: [system] Successfully activated service 'net.reactivated.Fprint'
>Apr  8 10:47:37 minix dbus-daemon[937]: ** Message: D-Bus service launched with name: net.reactivated.Fprint
>Apr  8 10:47:37 minix dbus-daemon[937]: ** Message: entering main loop
>Apr  8 10:48:07 minix dbus-daemon[937]: ** Message: No devices in use, exit
>Apr  8 10:48:30 minix dbus[937]: [system] Activating service name='org.freedesktop.UDisks' (using servicehelper)
>Apr  8 10:48:30 minix dbus-daemon[937]: dbus[937]: [system] Activating service name='org.freedesktop.UDisks' (using servicehelper)
>Apr  8 10:48:30 minix dbus[937]: [system] Successfully activated service 'org.freedesktop.UDisks'
>Apr  8 10:48:30 minix dbus-daemon[937]: dbus[937]: [system] Successfully activated service 'org.freedesktop.UDisks'
>Apr  8 10:50:45 minix kernel: [  268.698356] ata4: exception Emask 0x10 SAct 0x0 SErr 0x40c0000 action 0xe frozen
>Apr  8 10:50:45 minix kernel: [  268.698365] ata4: irq_stat 0x00000040, connection status changed
>Apr  8 10:50:45 minix kernel: [  268.698374] ata4: SError: { CommWake 10B8B DevExch }
>Apr  8 10:50:45 minix kernel: [  268.698388] ata4: hard resetting link
>Apr  8 10:50:45 minix kernel: [  269.576193] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>Apr  8 10:50:45 minix kernel: [  269.576711] ata4.00: ATA-8: THROTTLE, 081016, max UDMA/100
>Apr  8 10:50:45 minix kernel: [  269.576721] ata4.00: 63078400 sectors, multi 0: LBA 
>Apr  8 10:50:45 minix kernel: [  269.576729] ata4.00: applying bridge limits
>Apr  8 10:50:45 minix kernel: [  269.577307] ata4.00: configured for UDMA/100
>Apr  8 10:50:45 minix kernel: [  269.577323] ata4: EH complete
>Apr  8 10:50:45 minix kernel: [  269.577531] scsi 3:0:0:0: Direct-Access     ATA      THROTTLE         0810 PQ: 0 ANSI: 5
>Apr  8 10:50:45 minix kernel: [  269.578066] sd 3:0:0:0: [sdb] 63078400 512-byte logical blocks: (32.2 GB/30.0 GiB)
>Apr  8 10:50:45 minix kernel: [  269.578310] sd 3:0:0:0: [sdb] Write Protect is off
>Apr  8 10:50:45 minix kernel: [  269.578511] sd 3:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
>Apr  8 10:50:45 minix kernel: [  269.579251] sd 3:0:0:0: Attached scsi generic sg1 type 0
>Apr  8 10:50:45 minix kernel: [  269.583487]  sdb: sdb1
>Apr  8 10:50:45 minix kernel: [  269.584241] sd 3:0:0:0: [sdb] Attached SCSI disk
>Apr  8 10:50:46 minix kernel: [  269.786482] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
>
>
>[root@minix ~]# mount|grep sd
>/dev/sda4 on / type ext4 (rw,noatime,seclabel,user_xattr,acl,barrier=1,data=ordered,discard)
>/dev/sda3 on /boot type ext4 (rw,noatime,seclabel,user_xattr,acl,barrier=1,data=ordered,discard)
>
>
>Unplug eSATA
>
>
>[root@minix ~]# ls -l /dev/sd*
>brw-rw----. 1 root disk 8, 0 Apr  8 10:46 /dev/sda
>brw-rw----. 1 root disk 8, 1 Apr  8 10:46 /dev/sda1
>brw-rw----. 1 root disk 8, 2 Apr  8 10:46 /dev/sda2
>brw-rw----. 1 root disk 8, 3 Apr  8 10:46 /dev/sda3
>brw-rw----. 1 root disk 8, 4 Apr  8 10:46 /dev/sda4
>brw-rw----. 1 root disk 8, 5 Apr  8 10:46 /dev/sda5
>
>[root@minix ~]# dmesg |tail -n30
>[  269.576721] ata4.00: 63078400 sectors, multi 0: LBA 
>[  269.576729] ata4.00: applying bridge limits
>[  269.577307] ata4.00: configured for UDMA/100
>[  269.577323] ata4: EH complete
>[  269.577531] scsi 3:0:0:0: Direct-Access     ATA      THROTTLE         0810 PQ: 0 ANSI: 5
>[  269.578066] sd 3:0:0:0: [sdb] 63078400 512-byte logical blocks: (32.2 GB/30.0 GiB)
>[  269.578310] sd 3:0:0:0: [sdb] Write Protect is off
>[  269.578318] sd 3:0:0:0: [sdb] Mode Sense: 00 3a 00 00
>[  269.578511] sd 3:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
>[  269.579251] sd 3:0:0:0: Attached scsi generic sg1 type 0
>[  269.583487]  sdb: sdb1
>[  269.584241] sd 3:0:0:0: [sdb] Attached SCSI disk
>[  269.786482] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
>[  269.786501] SELinux: initialized (dev sdb1, type ext4), uses xattr
>[  688.305934] ata4: exception Emask 0x10 SAct 0x0 SErr 0x90202 action 0xe frozen
>[  688.305943] ata4: irq_stat 0x00400000, PHY RDY changed
>[  688.305952] ata4: SError: { RecovComm Persist PHYRdyChg 10B8B }
>[  688.305964] ata4: hard resetting link
>[  689.028160] ata4: SATA link down (SStatus 0 SControl 300)
>[  694.028163] ata4: hard resetting link
>[  694.333111] ata4: SATA link down (SStatus 0 SControl 300)
>[  694.333129] ata4: limiting SATA link speed to 1.5 Gbps
>[  699.333115] ata4: hard resetting link
>[  699.638099] ata4: SATA link down (SStatus 0 SControl 310)
>[  699.638116] ata4.00: disabled
>[  699.638142] ata4: EH complete
>[  699.638159] ata4.00: detaching (SCSI 3:0:0:0)
>[  699.639990] sd 3:0:0:0: [sdb] Stopping disk
>[  699.640053] sd 3:0:0:0: [sdb] START_STOP FAILED
>[  699.640058] sd 3:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
>
>
>[root@minix ~]# tail -n30 /var/log/messages
>Apr  8 10:50:45 minix kernel: [  269.576193] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>Apr  8 10:50:45 minix kernel: [  269.576711] ata4.00: ATA-8: THROTTLE, 081016, max UDMA/100
>Apr  8 10:50:45 minix kernel: [  269.576721] ata4.00: 63078400 sectors, multi 0: LBA 
>Apr  8 10:50:45 minix kernel: [  269.576729] ata4.00: applying bridge limits
>Apr  8 10:50:45 minix kernel: [  269.577307] ata4.00: configured for UDMA/100
>Apr  8 10:50:45 minix kernel: [  269.577323] ata4: EH complete
>Apr  8 10:50:45 minix kernel: [  269.577531] scsi 3:0:0:0: Direct-Access     ATA      THROTTLE         0810 PQ: 0 ANSI: 5
>Apr  8 10:50:45 minix kernel: [  269.578066] sd 3:0:0:0: [sdb] 63078400 512-byte logical blocks: (32.2 GB/30.0 GiB)
>Apr  8 10:50:45 minix kernel: [  269.578310] sd 3:0:0:0: [sdb] Write Protect is off
>Apr  8 10:50:45 minix kernel: [  269.578511] sd 3:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
>Apr  8 10:50:45 minix kernel: [  269.579251] sd 3:0:0:0: Attached scsi generic sg1 type 0
>Apr  8 10:50:45 minix kernel: [  269.583487]  sdb: sdb1
>Apr  8 10:50:45 minix kernel: [  269.584241] sd 3:0:0:0: [sdb] Attached SCSI disk
>Apr  8 10:50:46 minix kernel: [  269.786482] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
>Apr  8 10:57:44 minix kernel: [  688.305934] ata4: exception Emask 0x10 SAct 0x0 SErr 0x90202 action 0xe frozen
>Apr  8 10:57:44 minix kernel: [  688.305943] ata4: irq_stat 0x00400000, PHY RDY changed
>Apr  8 10:57:44 minix kernel: [  688.305952] ata4: SError: { RecovComm Persist PHYRdyChg 10B8B }
>Apr  8 10:57:44 minix kernel: [  688.305964] ata4: hard resetting link
>Apr  8 10:57:45 minix kernel: [  689.028160] ata4: SATA link down (SStatus 0 SControl 300)
>Apr  8 10:57:50 minix kernel: [  694.028163] ata4: hard resetting link
>Apr  8 10:57:50 minix kernel: [  694.333111] ata4: SATA link down (SStatus 0 SControl 300)
>Apr  8 10:57:50 minix kernel: [  694.333129] ata4: limiting SATA link speed to 1.5 Gbps
>Apr  8 10:57:55 minix kernel: [  699.333115] ata4: hard resetting link
>Apr  8 10:57:56 minix kernel: [  699.638099] ata4: SATA link down (SStatus 0 SControl 310)
>Apr  8 10:57:56 minix kernel: [  699.638116] ata4.00: disabled
>Apr  8 10:57:56 minix kernel: [  699.638142] ata4: EH complete
>Apr  8 10:57:56 minix kernel: [  699.638159] ata4.00: detaching (SCSI 3:0:0:0)
>Apr  8 10:57:56 minix kernel: [  699.639990] sd 3:0:0:0: [sdb] Stopping disk
>Apr  8 10:57:56 minix kernel: [  699.640053] sd 3:0:0:0: [sdb] START_STOP FAILED
>Apr  8 10:57:56 minix kernel: [  699.640058] sd 3:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
>
>Plugin eSATA Disk again
>
>[root@minix ~]# dmesg |tail -n30
>[  269.576721] ata4.00: 63078400 sectors, multi 0: LBA 
>[  269.576729] ata4.00: applying bridge limits
>[  269.577307] ata4.00: configured for UDMA/100
>[  269.577323] ata4: EH complete
>[  269.577531] scsi 3:0:0:0: Direct-Access     ATA      THROTTLE         0810 PQ: 0 ANSI: 5
>[  269.578066] sd 3:0:0:0: [sdb] 63078400 512-byte logical blocks: (32.2 GB/30.0 GiB)
>[  269.578310] sd 3:0:0:0: [sdb] Write Protect is off
>[  269.578318] sd 3:0:0:0: [sdb] Mode Sense: 00 3a 00 00
>[  269.578511] sd 3:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
>[  269.579251] sd 3:0:0:0: Attached scsi generic sg1 type 0
>[  269.583487]  sdb: sdb1
>[  269.584241] sd 3:0:0:0: [sdb] Attached SCSI disk
>[  269.786482] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
>[  269.786501] SELinux: initialized (dev sdb1, type ext4), uses xattr
>[  688.305934] ata4: exception Emask 0x10 SAct 0x0 SErr 0x90202 action 0xe frozen
>[  688.305943] ata4: irq_stat 0x00400000, PHY RDY changed
>[  688.305952] ata4: SError: { RecovComm Persist PHYRdyChg 10B8B }
>[  688.305964] ata4: hard resetting link
>[  689.028160] ata4: SATA link down (SStatus 0 SControl 300)
>[  694.028163] ata4: hard resetting link
>[  694.333111] ata4: SATA link down (SStatus 0 SControl 300)
>[  694.333129] ata4: limiting SATA link speed to 1.5 Gbps
>[  699.333115] ata4: hard resetting link
>[  699.638099] ata4: SATA link down (SStatus 0 SControl 310)
>[  699.638116] ata4.00: disabled
>[  699.638142] ata4: EH complete
>[  699.638159] ata4.00: detaching (SCSI 3:0:0:0)
>[  699.639990] sd 3:0:0:0: [sdb] Stopping disk
>[  699.640053] sd 3:0:0:0: [sdb] START_STOP FAILED
>[  699.640058] sd 3:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
>
>
>[root@minix ~]# tail -n30 /var/log/messages
>Apr  8 10:50:45 minix kernel: [  269.576193] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>Apr  8 10:50:45 minix kernel: [  269.576711] ata4.00: ATA-8: THROTTLE, 081016, max UDMA/100
>Apr  8 10:50:45 minix kernel: [  269.576721] ata4.00: 63078400 sectors, multi 0: LBA 
>Apr  8 10:50:45 minix kernel: [  269.576729] ata4.00: applying bridge limits
>Apr  8 10:50:45 minix kernel: [  269.577307] ata4.00: configured for UDMA/100
>Apr  8 10:50:45 minix kernel: [  269.577323] ata4: EH complete
>Apr  8 10:50:45 minix kernel: [  269.577531] scsi 3:0:0:0: Direct-Access     ATA      THROTTLE         0810 PQ: 0 ANSI: 5
>Apr  8 10:50:45 minix kernel: [  269.578066] sd 3:0:0:0: [sdb] 63078400 512-byte logical blocks: (32.2 GB/30.0 GiB)
>Apr  8 10:50:45 minix kernel: [  269.578310] sd 3:0:0:0: [sdb] Write Protect is off
>Apr  8 10:50:45 minix kernel: [  269.578511] sd 3:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
>Apr  8 10:50:45 minix kernel: [  269.579251] sd 3:0:0:0: Attached scsi generic sg1 type 0
>Apr  8 10:50:45 minix kernel: [  269.583487]  sdb: sdb1
>Apr  8 10:50:45 minix kernel: [  269.584241] sd 3:0:0:0: [sdb] Attached SCSI disk
>Apr  8 10:50:46 minix kernel: [  269.786482] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
>Apr  8 10:57:44 minix kernel: [  688.305934] ata4: exception Emask 0x10 SAct 0x0 SErr 0x90202 action 0xe frozen
>Apr  8 10:57:44 minix kernel: [  688.305943] ata4: irq_stat 0x00400000, PHY RDY changed
>Apr  8 10:57:44 minix kernel: [  688.305952] ata4: SError: { RecovComm Persist PHYRdyChg 10B8B }
>Apr  8 10:57:44 minix kernel: [  688.305964] ata4: hard resetting link
>Apr  8 10:57:45 minix kernel: [  689.028160] ata4: SATA link down (SStatus 0 SControl 300)
>Apr  8 10:57:50 minix kernel: [  694.028163] ata4: hard resetting link
>Apr  8 10:57:50 minix kernel: [  694.333111] ata4: SATA link down (SStatus 0 SControl 300)
>Apr  8 10:57:50 minix kernel: [  694.333129] ata4: limiting SATA link speed to 1.5 Gbps
>Apr  8 10:57:55 minix kernel: [  699.333115] ata4: hard resetting link
>Apr  8 10:57:56 minix kernel: [  699.638099] ata4: SATA link down (SStatus 0 SControl 310)
>Apr  8 10:57:56 minix kernel: [  699.638116] ata4.00: disabled
>Apr  8 10:57:56 minix kernel: [  699.638142] ata4: EH complete
>Apr  8 10:57:56 minix kernel: [  699.638159] ata4.00: detaching (SCSI 3:0:0:0)
>Apr  8 10:57:56 minix kernel: [  699.639990] sd 3:0:0:0: [sdb] Stopping disk
>Apr  8 10:57:56 minix kernel: [  699.640053] sd 3:0:0:0: [sdb] START_STOP FAILED
>Apr  8 10:57:56 minix kernel: [  699.640058] sd 3:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
>
>
>[root@minix ~]# ls -l /dev/sd*
>brw-rw----. 1 root disk 8, 0 Apr  8 10:46 /dev/sda
>brw-rw----. 1 root disk 8, 1 Apr  8 10:46 /dev/sda1
>brw-rw----. 1 root disk 8, 2 Apr  8 10:46 /dev/sda2
>brw-rw----. 1 root disk 8, 3 Apr  8 10:46 /dev/sda3
>brw-rw----. 1 root disk 8, 4 Apr  8 10:46 /dev/sda4
>brw-rw----. 1 root disk 8, 5 Apr  8 10:46 /dev/sda5
>
>
>

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Attachments on bug 806676: 576011