Messages in this thread | | | Subject | Re: megaraid_sas suspend ok, resume oops | From | Nigel Cunningham <> | Date | Wed, 30 Aug 2006 09:45:31 +1000 |
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Hi.
On Tue, 2006-08-29 at 20:22 +0800, Jeff Chua wrote: > On 8/29/06, Jens Axboe <axboe@kernel.dk> wrote: > > On Tue, Aug 29 2006, Jeff Chua wrote: > > > Anyone working on suspend/resume for the Megaraid SAS RAID card? > > > > > > This is on a DELL 2950. > > > > > > Suspend/resume (to disk) has been running great on my IBM x60s, but > > > when I tried the same kernel (2.6.18-rc4) on the DELL 2950, it > > > suspended ok, but when resuming, the megaraid driver crashed. > > > > And what exactly is your intention with this email? It can't be getting > > the bug fixed, since there's exactly 0% information to help people doing > > so :-) > > > > IOW, provide the oops from the resume crash at least. > > The intend is to see if there's already someone working on, and if so, > then it'll not be good to post oops that has already been taken care > of. I'm trying not to send unnecessary info. > > I'll try to get oops in the next few days when I get a chance. > Currently traveling. > > > Another point ... on IBM x60s notebook, setting ... > > High Memory Support (64GB) > CONFIG_HIGHMEM64G=y > CONFIG_RESOURCES_64BIT=y > CONFIG_X86_PAE=y > > will cause resume to "REBOOT" sometimes (may be 6 out of 10). > > I was trying to compile a kernel that would run both on the DELL with > 16GB RAM, and on my IBM notebook with 2GB RAM. > > But without 64 bit support, my notebook will suspend/resume many times > without failing (with the 5 ahci patches from Pavel Machek)....
Neither swsusp (as far as I know) or suspend2 support CONFIG_HIGHMEM64G at the moment, I'm afraid.
It's not impossible, we just haven't seen it as a priority worth putting time into. Do you really have more than 4GB of RAM and want to suspend to disk?
Regards,
Nigel
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