Hello! The problem has been reported before, but AFAIK no solutions to it have been found.
I have a SIS630-based Mitac 7521 with a Phoenix BIOS and a correctly configured hibernation partition. If I hit the Fn+F12 hibernation sequence, the laptop goes through its BIOS hibernation procedure with its nice progress status bars and the laptop correctly shuts down. When I power it up again, it goes through de-hibernation and linux comes up again, executes its /etc/apm/event.d scripts and often keyboard and mouse remain locked. Kernel is 2.4.15, but it happened with any 2.4 kernel I've tried. Here's the APM-related kernel .config: CONFIG_APM=y # CONFIG_APM_IGNORE_USER_SUSPEND is not set CONFIG_APM_DO_ENABLE=y CONFIG_APM_CPU_IDLE=y CONFIG_APM_DISPLAY_BLANK=y CONFIG_APM_RTC_IS_GMT=y CONFIG_APM_ALLOW_INTS=y # CONFIG_APM_REAL_MODE_POWER_OFF is not set The problem shows up even if I disable CONFIG_APM_ALLOW_INTS. In fact it seems to have no effect. Here's what's on console during a hibernation-dehibernation cycle: H mitac:~# usb-ohci.c: USB suspend: usb-00:01.2 D usb-ohci.c: USB restart: usb-00:01.2 D usb.c: USB disconnect on device 1 D hub.c: USB hub found D hub.c: 3 ports detected D sis900.c: v1.08.01 9/25/2001 D PCI: Found IRQ 11 for device 00:09.0 D PCI: Sharing IRQ 11 with 00:01.6 D eth0: SiS 900 Internal MII PHY transceiver found at address 1. D eth0: Using transceiver found at address 1 as default D eth0: SiS 900 PCI Fast Ethernet at 0x1800, IRQ 11, 00:40:d0:1a:de:3c. D eth0: Media Link Off D PCI: Found IRQ 5 for device 00:01.4 D ALSA card-trident.c:192: Trident 4DWave PCI soundcard not found or device busy D PCI: Found IRQ 5 for device 00:01.4 Lines marked with 'H' appear during hibernation, lines marked with 'D' appear after de-hibernation. I added this script at the last one to be executed in /etc/apm/event.d: #!/bin/sh exec > /root/hibernate.log 2>&1 echo "`date`: APM event $*" echo "lsmod:" lsmod echo "ifconfig:" ifconfig Here's its output: Mon Nov 26 00:57:55 CET 2001: APM event resume suspend lsmod: Module Size Used by Tainted: P snd-seq-midi 3328 0 (autoclean) (unused) snd-synth-trident 7040 0 (autoclean) (unused) snd-seq-instr 4224 0 (autoclean) [snd-synth-trident] snd-ainstr-simple 1620 0 (autoclean) [snd-synth-trident] snd-seq-midi-emul 4416 0 (autoclean) [snd-synth-trident] snd-seq-oss 22656 0 (unused) snd-seq-midi-event 2808 0 [snd-seq-midi snd-seq-oss] snd-seq 37680 2 [snd-seq-midi snd-synth-trident snd-seq-instr snd-seq-midi-emul snd-seq-oss snd-seq-midi-event] snd-pcm-oss 34784 0 (unused) snd-mixer-oss 8928 0 [snd-pcm-oss] snd-card-trident 1728 0 snd-trident 19520 0 [snd-synth-trident snd-card-trident] snd-pcm 45472 0 [snd-pcm-oss snd-trident] snd-timer 9440 0 [snd-seq snd-pcm] snd-ac97-codec 22688 0 [snd-trident] snd-util-mem 1232 0 [snd-trident] snd-mpu401-uart 2544 0 [snd-card-trident snd-trident] snd-rawmidi 12064 0 [snd-seq-midi snd-mpu401-uart] snd-seq-device 3808 0 [snd-seq-midi snd-synth-trident snd-seq-oss snd-seq snd-trident snd-rawmidi] snd 24232 0 [snd-seq-midi snd-synth-trident snd-seq-instr snd-seq-oss snd-seq-midi-event snd-seq snd-pcm-oss snd-mixer-oss snd-card-trident snd-trident snd-pcm snd-timer snd-ac97-codec snd-util-mem snd-mpu401-uart snd-rawmidi snd-seq-device] soundcore 3556 6 [snd] sis900 11300 1 nfsd 64736 8 (autoclean) lockd 46720 1 (autoclean) [nfsd] sunrpc 58068 1 (autoclean) [nfsd lockd] irtty 5504 2 (autoclean) irda 81132 1 (autoclean) [irtty] floppy 45280 0 (autoclean) serial 44864 1 (autoclean) usb-ohci 17728 0 (unused) hid 18816 0 (unused) mousedev 3808 0 (unused) evdev 4128 0 (unused) wacom 4000 0 (unused) input 3360 0 [hid mousedev evdev wacom] usbcore 48320 1 [usb-ohci hid wacom] rtc 5528 0 (autoclean) ifconfig: eth0 Link encap:Ethernet HWaddr 00:40:D0:1A:DE:3C UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:20 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:0 (0.0 b) TX bytes:840 (840.0 b) Interrupt:11 Base address:0x1800 irda0 Link encap:IrLAP HWaddr 5d:3b:1a:38 UP RUNNING NOARP MTU:2048 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:8 RX bytes:0 (0.0 b) TX bytes:181629 (177.3 Kb) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:63 errors:0 dropped:0 overruns:0 frame:0 TX packets:63 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:4643 (4.5 Kb) TX bytes:4643 (4.5 Kb) As you can see, the hibernation event has not been caught by apmd. I tried manually calling /etc/apm/apmd_proxy suspend user before hibernating, and putting in /etc/apm/event.d commands to bring down the network interfaces and remove most modules, but it seems not to have an influence on the possibility of a freeze after de-hibernation. Do you have any suggestions on why is this happening, on what could I do to have reliable hibernation or on what else could I do to further investigate on the issue? Short resume of the current status: - random de-hibernation console freezes (did not try to access from the network) - apmd not noticing the hibernation event Bye, Enrico -- GPG key: 1024D/797EBFAB 2000-12-05 Enrico Zini <[EMAIL PROTECTED]>