Messages in this thread | | | Date | Tue, 15 Feb 2005 12:16:36 +0100 | From | Aurélien GÉRÔME <> | Subject | Re: RTC Inappropriate ioctl for device |
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On Mon, Feb 14, 2005 at 07:45:11PM -0800, Randy.Dunlap wrote: > Aurélien GÉRÔME wrote: > >Hi, > > > >Having CONFIG_RTC=y, I tried on x86 the rtctest program found in > >linux-2.6.10/Documentation/rtc.txt. However, it failed at: > > > >ioctl(fd, RTC_UIE_ON, 0); > > > >with: > > > >ioctl: Inappropriate ioctl for device > > > >Did I miss something? Maybe something else conflicts with CONFIG_RTC? > > > >Cheers. > > Do you have an HPET timer enabled? That could cause a conflict.
I have HPET timer enabled.
> Does /proc/interrupts report rtc interrupts increasing when you > run rtctest? > I.e., does the number of this line increase like this? > > 8: 131 IO-APIC-edge rtc
I have no lines with rtc at the end, maybe due to HPET.
Is it a known behaviour of RTC with HPET?
> rtctest works for me (2.6.11-rc4). Maybe send me the strace > output when you run rtctest and your .config file.
See attachment for strace and .config.
> Oh, and your kernel boot log, maybe there are some rtc driver > messages in it.
See attachment for kern.log.
I have bzip2'ed kern.log and .config, since they were rather large.
Cheers. execve("./rtctest", ["./rtctest"], [/* 15 vars */]) = 0 uname({sys="Linux", node="caladan", ...}) = 0 brk(0) = 0x804b000 old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7fe9000 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/etc/ld.so.preload", O_RDONLY) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=41661, ...}) = 0 old_mmap(NULL, 41661, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7fde000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/tls/libc.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\360Y\1"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=1253924, ...}) = 0 old_mmap(NULL, 1260140, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0xb7eaa000 old_mmap(0xb7fd3000, 32768, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x129000) = 0xb7fd3000 old_mmap(0xb7fdb000, 10860, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7fdb000 close(3) = 0 old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7ea9000 set_thread_area({entry_number:-1 -> 6, base_addr:0xb7ea9460, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0 munmap(0xb7fde000, 41661) = 0 open("/dev/rtc", O_RDONLY) = 3 write(2, "\n\t\t\tRTC Driver Test Example.\n\n", 30 RTC Driver Test Example.
) = 30 ioctl(3, RTC_UIE_ON, 0) = -1 ENOTTY (Inappropriate ioctl for device) write(2, "ioctl: Inappropriate ioctl for d"..., 38ioctl: Inappropriate ioctl for device ) = 38 exit_group(25) = ? [unhandled content-type:application/octet-stream][unhandled content-type:application/octet-stream][unhandled content-type:application/pgp-signature] | |