On Sat, 14 Oct 2006 08:02:49 -0600
Matthew Wilcox <[email protected]> wrote:
> On Fri, Oct 13, 2006 at 09:41:35PM -0700, Andrew Morton wrote:
> > Bisection shows that this patch
> > (pci-check-that-mwi-bit-really-did-get-set.patch in Greg's PCI tree) breaks
> > suspend-to-disk on my Vaio. It writes the suspend image and gets to the
> > point where it's supposed to power down, but doesn't.
>
> How odd. What driver is calling pci_set_mwi() on the suspend path?
ehci_pci_reinit(). I stuck a dump_stack() in there. See
http://userweb.kernel.org/~akpm/s5000342.jpg
> What drivers do you have loaded on the Vaio?
sony:/home/akpm> lsmod
Module Size Used by
ipw2200 163184 0
sonypi 21484 0
autofs4 19908 1
hidp 16192 2
l2cap 21764 5 hidp
bluetooth 49060 2 hidp,l2cap
sunrpc 154172 1
ip_conntrack_netbios_ns 3328 0
ipt_REJECT 4736 1
xt_state 2496 2
ip_conntrack 51020 2 ip_conntrack_netbios_ns,xt_state
nfnetlink 7128 1 ip_conntrack
xt_tcpudp 3392 4
iptable_filter 3264 1
ip_tables 12616 1 iptable_filter
x_tables 15428 4 ipt_REJECT,xt_state,xt_tcpudp,ip_tables
video 16836 0
sony_acpi 7312 0
sbs 15968 0
i2c_ec 5504 1 sbs
button 7184 0
battery 10692 0
asus_acpi 17564 0
backlight 6464 2 sony_acpi,asus_acpi
ac 5636 0
nvram 8072 0
ohci1394 33264 0
ehci_hcd 30088 0
ieee1394 291896 1 ohci1394
uhci_hcd 22092 0
sg 33628 0
joydev 9920 0
evbug 3392 0
snd_hda_intel 18968 0
snd_hda_codec 161536 1 snd_hda_intel
snd_seq_dummy 4228 0
snd_seq_oss 31744 0
snd_seq_midi_event 7360 1 snd_seq_oss
snd_seq 48208 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device 8524 3 snd_seq_dummy,snd_seq_oss,snd_seq
ieee80211 30920 1 ipw2200
snd_pcm_oss 41504 0
snd_mixer_oss 16640 1 snd_pcm_oss
ieee80211_crypt 6016 1 ieee80211
snd_pcm 74632 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_timer 21316 2 snd_seq,snd_pcm
snd 50980 9 snd_hda_intel,snd_hda_codec,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore 7968 1 snd
snd_page_alloc 10376 2 snd_hda_intel,snd_pcm
piix 9604 0 [permanent]
i2c_i801 7820 0
pcspkr 3136 0
i2c_core 21840 2 i2c_ec,i2c_i801
generic 5252 0 [permanent]
ext3 127688 1
jbd 52712 1 ext3
ide_disk 16000 0
ide_core 114780 3 piix,generic,ide_disk
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