http://bugzilla.opensuse.org/show_bug.cgi?id=903560
--- Comment #30 from grant k
Run ... and report the result.
find /sys/class/scsi_device/*/device/ -name "manage_start_stop" -o -name "removable" -o -name "vendor" | xargs cat 1 PIONEER 1 0 ATA
Also spin down is disabled ... why this had been done?
it's an old action. afaict, the problem had been while using Mozilla apps, Opensuse systems (not sure, but this may have been back in Opensuse 11X ... not sure WHICH 'Nov 4' the logs below refer to) would get frequent, random multi-cpu 100% lockups for seconds-to-minutes. logs would show dmesg ... Nov 4 11:06:50 prov09 kernel: ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen Nov 4 11:06:50 prov09 kernel: ata4.00: failed command: FLUSH CACHE EXT Nov 4 11:06:50 prov09 kernel: ata4.00: cmd ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0 Nov 4 11:06:50 prov09 kernel: res 40/00:00:00:4f:c2/00:00:00:00:00/40 Emask 0x4 (timeout) Nov 4 11:06:50 prov09 kernel: ata4.00: status: { DRDY } Nov 4 11:06:50 prov09 kernel: ata4: hard resetting link Nov 4 11:07:00 prov09 kernel: ata4: softreset failed (1st FIS failed) Nov 4 11:07:00 prov09 kernel: ata4: hard resetting link Nov 4 11:07:10 prov09 kernel: ata4: softreset failed (1st FIS failed) Nov 4 11:07:10 prov09 kernel: ata4: hard resetting link Nov 4 11:07:36 prov09 kernel: ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Nov 4 11:07:36 prov09 kernel: ata4.00: configured for UDMA/133 Nov 4 11:07:36 prov09 kernel: ata4.00: retrying FLUSH 0xea Emask 0x4 Nov 4 11:07:36 prov09 kernel: ata4.00: device reported invalid CHS sector 0 Nov 4 11:07:36 prov09 kernel: ata4: EH complete ... This, apparently, was tracked to http://paul.sullivan.za.org/kernel-disables-sata-drive-under-heavy-load-acti... http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=625922 disabling spindown / power mgmt on the drives immediately & persistently solved the problem in all cases, and, until now, has never manifested any problems or issues. Other than possible shorter drive lifes ... In any case, drive power mgmt state shouldn't inhibit proper shutdown. -- You are receiving this mail because: You are on the CC list for the bug.