From mboxrd@z Thu Jan 1 00:00:00 1970 From: fachkar.datawind@gmail.com (f. achkar) Date: Tue, 01 Jun 2010 12:48:36 -0400 Subject: incorrect panic("failed to get clock for system timer"); ?? Message-ID: <4C0539E4.9090501@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, Newbie debugging Linux-2.6.32-9 on S3C2450, the kernel seems to panic at : s3c2410_timer_init () at arch/arm/plat-s3c/time.c:256 if (IS_ERR(timerclk)) panic("failed to get clock for system timer"); more precisely 'if (IS_ERR(timerclk))' is non-null !?! although the 'timerclk' seem to be fine: (gdb) print *timerclk $27 = {list = {next = 0xc04a933c, prev = 0xc04a93ac}, owner = 0x0, parent = 0xc04abfd4, name = 0xc042c5a1 "timers", id = -1, usage = 0, rate = 0, ctrlbit = 1024, enable = 0xc009631c , set_rate = 0, get_rate = 0, round_rate = 0, set_parent = 0} (gdb) s 257 panic("failed to get clock for system timer"); (gdb) print (unsigned long)(timerclk) $28 = 3226112884 (gdb) I'm not sure why 'IS_ERR(timerclk)' is holding true? or is it a bug ? thanks, ferar