Public bug reported:
Standard PC, NOT A LAPTOP, NOT A BATTERY ISSUE
Dapper 6.06 LTS Intel x86 32-bit with all updates applied
Implementing IDE hard drive spin-down in hdparm.conf causes strange
hangs in Dapper. These hangs require forced reboot, sometimes full
power cycle. Example, screen saver lockup, lockup at boot during
"loading hardware," etc. Ctrl-alt-delete not a way out.
Hangs relate to changing the hard drive spin-down since none happened
before changes made. Perfectly fine before that, ran for days at a
time. Could be upstream Debian issue. Guessing: Linux is not properly
re-activating the drives on demand.
Not a physical jumper setting issue or motherboard misconfiguration. I
know what I'm doing in those regards. All is correctly set. The drives
generally work. The hdparm.conf settings might be up for debate.
Two IDE chains:
IDE1 = hard drive master, hard drive slave, identical drives
IDE2 = CDRW master, nothing else on this chain
/etc/hdparm.conf is the following
# IBM DTLA 307030 in udma4 mode (5 is not optimal, errors happen)
# acoustic 128 is "quiet" apm 255 is "off" for adv. power mgmt.
# IDE chain 1
/dev/hda {
write_cache = on
mult_sect_io = 16
io32_support = 3
dma = on
transfer_mode = 68
interrupt_unmask = on
keep_settings_over_reset = off
acoustic_management = 128
spindown_time = 244
apm = 255
}
/dev/hdb {
write_cache = on
mult_sect_io = 16
io32_support = 3
dma = on
transfer_mode = 68
interrupt_unmask = on
keep_settings_over_reset = off
acoustic_management = 128
spindown_time = 244
apm = 255
}
# IDE chain 2
# HP CD-Writer Plus 9700i
/dev/hdc {
quiet
io32_support = 3
dma = on
transfer_mode = 61
interrupt_unmask = on
keep_settings_over_reset = off
}
** Affects: linux-source-2.6.15 (Ubuntu)
Importance: Medium
Status: Unconfirmed
--
Hard drive spin-down causes hang
https://launchpad.net/bugs/77376
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