Messages in this thread | | | Subject | Re: 2.5.66-bk12: acpi_power_off: sleeping function called from illegal context | From | Felipe Alfaro Solana <> | Date | 07 Apr 2003 11:29:39 +0200 |
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On Mon, 2003-04-07 at 00:48, Zwane Mwaikambo wrote: > On Sun, 7 Apr 2003, Felipe Alfaro Solana wrote: > > > Power down. > > acpi_power_off called > > Debug: sleeping function called from illegal context at > > include/asm/semaphore.h: 119 > > Call Trace: > > [<c012088a>] __might_sleep+0x5f/0x75 > > [<c01ffb10>] acpi_os_wait_semaphore+0xc5/0xea > > [<c021440c>] acpi_ut_acquire_mutex+0x51/0x73 > > [<c020ab4f>] acpi_set_register+0x34/0x15d > > [<c020b1f6>] acpi_enter_sleep_state+0x77/0x1ab > > [<c0215d7d>] acpi_power_off+0x21/0x23 > > [<c011a3e5>] machine_power_off+0x10/0x13 > > [<c0135f7b>] sys_reboot+0x332/0x741 > > [<c011e010>] schedule+0x210/0x6d7 > > [<c0130daf>] group_send_sig_info+0x2af/0x6b6 > > [<c011e50d>] preempt_schedule+0x36/0x50 > > [<c0131384>] kill_proc_info+0x60/0x62 > > [<c0134346>] sys_kill+0x4d/0x51 > > [<c016e76b>] __fput+0xaf/0xfb > > [<c016cabc>] filp_close+0x160/0x226 > > [<c01850cb>] sys_ioctl+0x197/0x3e8 > > [<c010af29>] sysenter_past_esp+0x52/0x71 > > You probably need this; > > Index: linux-2.5.66/drivers/acpi/osl.c > =================================================================== > RCS file: /build/cvsroot/linux-2.5.66/drivers/acpi/osl.c,v > retrieving revision 1.1.1.1 > diff -u -p -B -r1.1.1.1 osl.c > --- linux-2.5.66/drivers/acpi/osl.c 24 Mar 2003 23:39:26 -0000 1.1.1.1 > +++ linux-2.5.66/drivers/acpi/osl.c 6 Apr 2003 22:46:04 -0000 > @@ -750,7 +750,7 @@ acpi_os_wait_semaphore( > > ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n", handle, units, timeout)); > > - if (in_atomic()) > + if (in_atomic() || irqs_disabled()) > timeout = 0; > > switch (timeout)
OK, now it doesn't cause an oops, but the machine doesn't power off: it stays powered on showing:
acpi_power_off
and I must manually cycle the power. This 2.5 ACPI stuff is causing me great deal of pain... I can never get it to work realiably.
________________________________________________________________________ Linux Registered User #287198
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