Re: Using VESA to restore display settings on resume
"Kevin Oberman" <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.mobile |
|---|---|
| Message-ID | <[email protected]> |
> From: Vladimir Grebenschikov <[email protected]> > Date: Tue, 01 Mar 2005 23:31:15 +0300 > Sender: [email protected] > > ÷ ÐÎ, 28/02/2005 × 20:26 +0000, Ian Dowse ÐÉÛÅÔ: > >In message <[email protected]>, Ian Dowse writes: > >>In message <1109545918.1537.8.camel@localhost>, Vladimir Grebenschikov writes: > >>>Also if I try this patch with vesa module loaded it just carsh in vm86 > >>>mode on zzz (curproc acpiconf). > >> > >>It is probably necessary to get this working with VESA to have much > >>of a chance of it helping, since otherwise only the basic VGA > >>registers will be saved and restored. > >> > >>One possible reason for the vm86 crash is that it appears our VESA > >>code cannot handle saving more than 4k of state data. Does it make > >>any difference if you revert the part of the patch that changed > >>STATE_MOST to STATE_ALL? i.e. change the two uses of STATE_ALL in > >>vesa.c back to STATE_MOST. I found that with SAVE_MOST, I needed > >>to switch to X and back before the console would display, but the > >>backlight did come on immediately. > > > >I've updated the patch at > > > > http://people.freebsd.org/~iedowse/vesa_restore.diff > > > >so that the VESA code allows up to 8k of state storage and will > >fail if the BIOS claims to need more space. Could you try this with > >the vesa module loaded and with both 0 and 1 for hw.acpi.reset_video? > > I've rechecked patch with fresh kernel build and firewire console. > > It does not panics and does not awake :( > As in previous variant it sleeps ok, but on awake it only spin up HDD. > No any other activity seen, it does not react on keys, firewire console > is dead. > It does not answer on network activity. > > Probably It hangs while try to restore console, and I should try to > disable console at all ? Is the disk active LED on? Many systems have had trouble with this, although I thought Soren had fixed this. If the LED is on, you might want to try ATA MkIII. (That WILL break ATAPICAM!) -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: [email protected] Phone: +1 510 486-8634 _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-mobile To unsubscribe, send any mail to "[email protected]"