From: Andries.Brouwer@cwi.nl
To: linux-kernel@vger.kernel.org, olh@suse.de
Cc: alan@lxorguk.ukuu.org.uk
Subject: Re: 2.4.5-ac9 console NULL pointer pointer dereference
Date: Thu, 7 Jun 2001 16:36:40 +0200 (MET DST) [thread overview]
Message-ID: <UTC200106071436.QAA224593.aeb@vlet.cwi.nl> (raw)
From: Olaf Hering <olh@suse.de>
this happend with 2.4.5-ac9 with serial console on i386.
Unable to handle kernel NULL pointer dereference0x02f8 (irq = 3) at virtual address 00000004
Oops: 0000
>>EIP; c01967c7 <poke_blanked_console+1b/5c> <=====
Sounds like this should help:
--- console.c~ Fri Feb 9 20:30:22 2001
+++ console.c Thu Jun 7 16:28:59 2001
@@ -2684,7 +2684,7 @@
void poke_blanked_console(void)
{
del_timer(&console_timer); /* Can't use _sync here: called from tasklet */
- if (vt_cons[fg_console]->vc_mode == KD_GRAPHICS)
+ if (!vt_cons[fg_console] || vt_cons[fg_console]->vc_mode == KD_GRAPHICS)
return;
if (console_blanked) {
console_timer.function = unblank_screen_t;
Andries
next reply other threads:[~2001-06-07 14:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-07 14:36 Andries.Brouwer [this message]
2001-06-07 14:56 ` Olaf Hering
2001-06-07 15:22 ` Olaf Hering
-- strict thread matches above, loose matches on Subject: below --
2001-06-07 15:59 Andries.Brouwer
2001-06-07 13:40 Olaf Hering
2001-06-07 17:12 ` James Simmons
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