Messages in this thread | | | From | Fernando Jimenez <> | Subject | Re: newbie Q: kernel BUG at vmalloc.c?? | Date | Mon, 4 Mar 2002 13:31:13 +0000 |
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OK, please ignore this. I was making a rather stupid mistake. I clearly am in need of another caffeine fix. ;)
Thanks anyway
FJ
On Monday 04 March 2002 13:17, Fernando Jimenez wrote: > Hi all > > I am coding a relatively simple (although it's proving quite hard) module > for the linux kernel, and I have bumped into this!! > > Mar 4 13:09:55 localhost kernel: kernel BUG at vmalloc.c:235! > Mar 4 13:09:55 localhost kernel: invalid operand: 0000 > Mar 4 13:09:55 localhost kernel: CPU: 0 > Mar 4 13:09:55 localhost kernel: EIP: 0010:[<c01320a6>] Not tainted > Mar 4 13:09:55 localhost kernel: EFLAGS: 00000282 > Mar 4 13:09:55 localhost kernel: eax: 0000001d ebx: 0804b000 ecx: > 00000001 edx: 000021ba Mar 4 13:09:55 localhost kernel: esi: 0804aa20 > edi: 00000000 ebp: c616ff98 esp: c616ff14 Mar 4 13:09:55 localhost > kernel: ds: 0018 es: 0018 ss: 0018 > Mar 4 13:09:55 localhost kernel: Process ioctl (pid: 1121, > stackpage=c616f000) Mar 4 13:09:55 localhost kernel: Stack: c028bf79 > 000000eb 00000002 00000001 00000282 00000001 c0350a64 00000246 Mar 4 > 13:09:55 localhost kernel: 00000024 c616ff98 0804aa20 0804aa20 > 00000000 c616ff98 c8829e08 0804aa20 Mar 4 13:09:55 localhost kernel: > 000001f2 00000163 c013faed c585537c c5feb23c c68cdc94 c7d1a000 c13b396c > Mar 4 13:09:55 localhost kernel: Call Trace: [<c8829e08>] [<c013faed>] > [<c0114906>] [<c0150706>] [<c01075bb>] Mar 4 13:09:55 localhost kernel: > Mar 4 13:09:55 localhost kernel: Code: 0f 0b 5b 5e 31 c0 e9 a4 02 00 00 6a > 02 53 e8 d7 fd ff ff 5a > > I'm sure I must be doing something wrong somewhere, but the line "kernel > BUG at vmalloc" does look worrying, and I don't quite know where it's > comming from. I'm using kernel 2.4.17 on a RH7.2 box, and the ofending part > of code is: > > mdp_blks_use = vmalloc(mdp_blk_use_size * sizeof(char)); > > where mdp_blk_use_size is an integer, and I'm sure it's been set to > something, and mdp_blks_use is a char pointer. I have used vmalloc in other > parts of the code and it works fine. This is very confusing > > Sorry if I'm doing something glaringly stupid here, still quite a newbie at > kernel hacking. :) Thanks for your help - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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