From: thomas.mey3r@arcor.de
To: benh@kernel.crashing.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: Re: [2.6.10-rc1] Segmentation fault in program "X"
Date: Mon, 25 Oct 2004 09:40:41 +0200 (CEST) [thread overview]
Message-ID: <9405454.1098690041900.JavaMail.ngmail@webmail04.arcor-online.net> (raw)
----- Original Nachricht ----
Von: Benjamin Herrenschmidt <benh@kernel.crashing.org>
An: Linus Torvalds <torvalds@osdl.org>
Datum: 25.10.2004 01:00
Betreff: Re: [2.6.10-rc1] Segmentation fault in program "X"
> On Mon, 2004-10-25 at 06:24, Linus Torvalds wrote:
>
> > > Signal SIGSEGV happens while doing sys function
> > > "ioctl(5, FBIOBLANK <unfinished ...>"
> > >
> > > seems to be some changes between 2.6.9 and 2.6.10-rc1 in file "fbmem.c"
> >
> > Do you have radeon hardware? Is there any oops in your logs?
>
> A Oops log would be useful...
>
> I don't see anything, are you sure he is using radeonfb ? Look at the
> fix posted by Tony Dapalas today fixing a possible Oops on blank for
> fbdev's that have no blank() callback ...
>
> Ben.
>
>
>
Hello.
It's a via integrated video card and there is an oops:
Oct 23 09:34:46 hotzenplotz kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000048
Oct 23 09:34:46 hotzenplotz kernel: printing eip:
Oct 23 09:34:46 hotzenplotz kernel: c0202206
Oct 23 09:34:46 hotzenplotz kernel: *pde = 00000000
Oct 23 09:34:46 hotzenplotz kernel: Oops: 0000 [#1]
Oct 23 09:34:46 hotzenplotz kernel: PREEMPT SMP
Oct 23 09:34:46 hotzenplotz kernel: Modules linked in: eth1394 ohci1394 uhci_hcd ehci_hcd i2c_viapro i2c_core snd_via82xx snd_ac97_codec gameport snd_mpu401_uart snd_rawmidi joydev tsdev evdev yenta_socket pcmcia_core ntfs
Oct 23 09:34:46 hotzenplotz kernel: CPU: 0
Oct 23 09:34:46 hotzenplotz kernel: EIP: 0060:[<c0202206>] Not tainted VLI
Oct 23 09:34:46 hotzenplotz kernel: EFLAGS: 00013293 (2.6.10-rc1)
Oct 23 09:34:46 hotzenplotz kernel: EIP is at fb_set_cmap+0x76/0xf0
Oct 23 09:34:46 hotzenplotz kernel: eax: 00000000 ebx: 00000048 ecx: 00000807 edx: c02031a0
Oct 23 09:34:46 hotzenplotz kernel: esi: ebc30008 edi: 00003282 ebp: e1932e20 esp: e1932de0
Oct 23 09:34:46 hotzenplotz kernel: ds: 007b es: 007b ss: 0068
Oct 23 09:34:46 hotzenplotz kernel: Process X (pid: 2366, threadinfo=e1932000 task=e1802a80)
Oct 23 09:34:46 hotzenplotz kernel: Stack: e1932e00 e1932e00 e1932e20 00003246 e1932e28 c03bd0e0 0000ffff e1932e24
Oct 23 09:34:46 hotzenplotz kernel: 083bb950 00000000 00000048 00000000 ebc30000 ebc30000 e1d2de00 00000001
Oct 23 09:34:46 hotzenplotz kernel: e1932e54 c01ff18a 00003282 00003246 00000048 00000000 083bb950 ebc30008
Oct 23 09:34:46 hotzenplotz kernel: Call Trace:
Oct 23 09:34:46 hotzenplotz kernel: [<c0106eaa>] show_stack+0x7a/0x90
Oct 23 09:34:46 hotzenplotz kernel: [<c0107032>] show_registers+0x152/0x1c0
Oct 23 09:34:46 hotzenplotz kernel: [<c010723c>] die+0xfc/0x180
Oct 23 09:34:46 hotzenplotz kernel: [<c0119517>] do_page_fault+0x237/0x5e7
Oct 23 09:34:46 hotzenplotz kernel: [<c0106af9>] error_code+0x2d/0x38
Oct 23 09:34:46 hotzenplotz kernel: [<c01ff18a>] fb_blank+0x6a/0x110
Oct 23 09:34:46 hotzenplotz kernel: [<c01ff4c0>] fb_ioctl+0x290/0x360
Oct 23 09:34:46 hotzenplotz kernel: [<c016add4>] sys_ioctl+0xf4/0x260
Oct 23 09:34:46 hotzenplotz kernel: [<c010606f>] syscall_call+0x7/0xb
Oct 23 09:34:46 hotzenplotz kernel: Code: 75 0d b8 ea ff ff ff 83 c4 34 5b 5e 5f c9 c3 8b 5d d0 c7 45 ec 00 00 00 00 31 c0 3b 43 04 73 78 90 8d 74 26 00 8b 5d e8 8b 45 e4 <0f> b7 1b 83 45 e8 02 89 5d dc 8b 5d e0 0f b7 08 83 c0 02 89 45
with kind regards
Thomas
reply other threads:[~2004-10-25 8:25 UTC|newest]
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