Hi,
I have just hit this problem. Haven't bisected it yet, and going through
shortlog doesn't ring any bell immediately, so I am sending this out in
case it rings a bell for someone right away.
Calling
s2disk -r /dev/sdb4
suspends without any issues on 2.6.34-rc2, and resume is also fine. With
2.6.34-rc3 I get
s2disk: Could not use the resume device (try swapon -a). Reason: No such device
Relevant part of s2disk strace:
mount("none", "/proc/2449", "tmpfs", 0, NULL) = 0
stat64("/dev/sdb4", {st_mode=S_IFBLK|0660, st_rdev=makedev(259, 65536), ...}) = 0
chdir("/proc/2449") = 0
mknod("resume", S_IFBLK|0600, makedev(259, 65536)) = 0
open("resume", O_RDWR|O_LARGEFILE) = 3
stat64("/dev/snapshot", {st_mode=S_IFCHR|0660, st_rdev=makedev(10, 231), ...}) = 0
open("/dev/snapshot", O_RDONLY|O_LARGEFILE) = 4
ioctl(4, 0x400c330d, 0xbfdbcb04) = -1 ENODEV (No such device)
ioctl(4, 0x4004330a, 0x10010300) = -1 ENODEV (No such device)
write(2, "s2disk: Could not use the resume"..., 80s2disk: Could not use the resume device (try swapon -a). Reason: No such device
Thanks,
--
Jiri Kosina
SUSE Labs, Novell Inc.
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