From: William Lee Irwin III <wli@holomorphy.com>
To: linux-kernel@vger.kernel.org
Cc: rmk@arm.linux.org.uk
Subject: 2.5.40 serial oops
Date: Fri, 4 Oct 2002 20:36:59 -0700 [thread overview]
Message-ID: <20021005033659.GD21619@holomorphy.com> (raw)
On shutdown, ThinkPad T21's commit this error:
Program received signal SIGSEGV, Segmentation fault.
0x00000000 in ?? ()
(gdb) bt
#0 0x00000000 in ?? ()
#1 0xc01b9eb3 in pci_remove_one (dev=0xc1675c00) at 8250_pci.c:774
#2 0xc01b3a25 in pci_device_remove (dev=0xc1675c50) at pci-driver.c:68
#3 0xc01bdbae in device_shutdown () at power.c:106
#4 0xc0121421 in sys_reboot (magic1=-18751827, magic2=672274793,
cmd=1126301404, arg=0x8049960) at sys.c:393
#5 0xc0108a8f in syscall_call () at process.c:685
(gdb) p *priv->board
$1 = {flags = 0, num_ports = 1, base_baud = 115200, uart_offset = 0,
reg_shift = 0, init_fn = 0, first_uart_offset = 0}
(gdb) p pci_boards - priv->board
$2 = 0
Against 2.5.40
--- linux-2.5.40/drivers/serial/8250_pci.c.orig 2002-10-04 20:27:50.000000000 -0700
+++ linux-2.5.40/drivers/serial/8250_pci.c 2002-10-04 20:28:02.000000000 -0700
@@ -771,7 +771,8 @@
for (i = 0; i < priv->nr; i++)
unregister_serial(priv->line[i]);
- priv->board->init_fn(dev, priv->board, 0);
+ if (priv->board->init_fn)
+ priv->board->init_fn(dev, priv->board, 0);
pci_disable_device(dev);
reply other threads:[~2002-10-05 3:32 UTC|newest]
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