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First a little background. As I've mentioned here, I recently updated the BIOS on this machine. Unfortunately (and stupidly), I didn't backup the original BIOS(1.01), and I haven't found a copy, so I'm stuck with the buggy one (1.03) for now. As mentioned in the other thread, the machine does not boot without a modified DSDT. Luckily I have a copy of the old DSDT, so I was able to use vimdiff to isolate the changes that allow me to boot:
DefinitionBlock ("DSDT.aml", "DSDT", 1, "ATI", "SB800", 0x06040000)
{
Scope (\_SB)
{
...
Device (PCI0)
{
...
Method (_INI, 0, NotSerialized)
{
\_SB.OSTP ()
\_SB.PHSR (0x0A, 0xE0)
/* Removed this part
Store (0x00, \_SB.PCI0.SMB.GECS)
Store (0x00, \_SB.PCI0.SMB.USBS)
*/
...
}
...
Device (SMB)
{
...
OperationRegion (ERMM, SystemMemory, MMSO, 0x1000)
Field (ERMM, AnyAcc, NoLock, Preserve)
{
...
SLPS, 2,
/* Removed this part
GECS, 2,
Offset (0x2B0),
Offset (0x2B1),
Offset (0x2B2),
USBS, 2,
*/
Offset (0x361),
, 6,
MT3A, 1,
...
}
...
}
...
}
...
}
...
}
Now for the suspend issues. Basically, I can successfully suspend, but resuming fails somewhere before the /var/log/pm-suspend.log is available for writing. (The hard drive light comes on for a second and then goes off). I have tried manual suspend, the kernel backend of pm-utils, and the s2ram backend of pm-utils, all with the same results. (The resume and uresume hooks didn't help). Using pm_trace, I get the following dmesg output:
...
registered taskstats version 1
Magic number: 0:50:336
hash matches drivers/base/power/main.c:437
tty tty57: hash matches
pci 0000:00:13.2: hash matches
...
lspci gives me
...
00:13.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller
...
Neither removing ehci_hcd nor unbinding the device manually made any difference. I also tried removing as many modules as possible without any luck.
EDIT: I forgot to mention that I've also tried all the values listed in the DSDT for the acpi_osi kernel param.
I haven't spent as much time futzing with hibernate, but as best I can tell it hibernates and then immediately thaws within a second or two. Afterwards pm-suspend.log contains a bunch of garbage (non-text) and then several lines that
seem to indicate a successful thaw.
Last edited by mikezackles (2010-08-12 18:09:35)
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