Re: 2.6.9-mm1
From: Randy.Dunlap
Date: Mon Oct 25 2004 - 20:54:48 EST
Andrew Morton wrote:
"Randy.Dunlap" <rddunlap@xxxxxxxx> wrote:
I'm trying to spend time on kexec++ this week, but this little BUG
keeps getting in the way. Has it already been reported/fixed?
kernel BUG at arch/i386/mm/highmem.c:42!
oops, we did it again.
--- 25/drivers/ide/ide-taskfile.c~ide_pio_sector-kmap-fix Mon Oct 25 15:54:35 2004
+++ 25-akpm/drivers/ide/ide-taskfile.c Mon Oct 25 15:54:48 2004
@@ -304,7 +304,7 @@ static void ide_pio_sector(ide_drive_t *
else
taskfile_input_data(drive, buf, SECTOR_WORDS);
- kunmap_atomic(page, KM_BIO_SRC_IRQ);
+ kunmap_atomic(buf, KM_BIO_SRC_IRQ);
#ifdef CONFIG_HIGHMEM
local_irq_restore(flags);
#endif
_
Yes, that gets further. :(
Maybe I'll just (try) apply the kexec patch to a vanilla kernel.
Unable to handle kernel paging request at virtual address fffea000
printing eip:
c02c8e4d
*pde = 0064b067
*pte = 00000000
Oops: 0002 [#1]
SMP DEBUG_PAGEALLOC
Modules linked in:
CPU: 0
EIP: 0060:[<c02c8e4d>] Not tainted VLI
EFLAGS: 00010006 (2.6.9-mm1)
EIP is at ide_insw+0xd/0x20
eax: 000001f0 ebx: c05ee7ec ecx: 00000100 edx: 000001f0
esi: c05ee7ec edi: fffea000 ebp: c056fe80 esp: c056fe7c
ds: 007b es: 007b ss: 0068
Process swapper (pid: 0, threadinfo=c056e000 task=c0486b80)
Stack: c05ee740 c056fea0 c02c93b8 000001f0 fffea000 00000100 c05ee7ec
00000080
fffea000 c056fec0 c02ccf06 c05ee7ec fffea000 00000080 00000000
00000000
c05ee740 c056feec c02cd62b c05ee7ec fffea000 00000080 00000000
fffea000
Call Trace:
[<c0107eff>] show_stack+0xaf/0xc0
[<c010808d>] show_registers+0x15d/0x1e0
[<c01082a6>] die+0x106/0x190
[<c011c707>] do_page_fault+0x517/0x6a6
[<c0107b4d>] error_code+0x2d/0x38
[<c02c93b8>] ata_input_data+0x98/0xa0
[<c02ccf06>] taskfile_input_data+0x26/0x50
[<c02cd62b>] ide_pio_sector+0xcb/0xf0
[<c02cd892>] task_in_intr+0xe2/0x100
[<c02c8c16>] ide_intr+0xb6/0x150
[<c0142cd8>] handle_IRQ_event+0x38/0x70
[<c0142df2>] __do_IRQ+0xe2/0x150
[<c0109606>] do_IRQ+0x36/0x60
[<c0107a30>] common_interrupt+0x18/0x20
[<c01050f1>] cpu_idle+0x31/0x50
[<c05709bf>] start_kernel+0x15f/0x180
[<c0100211>] 0xc0100211
Code: e5 8b 55 08 ec 0f b6 c0 5d c3 8d 74 26 00 55 89 e5 8b 55 08 66
ed 0f b7 c
<0>Kernel panic - not syncing: Fatal exception in interrupt
<0>Dumping messages in 0 seconds : last chance for Alt-SysRq...
--
~Randy
MOTD: Always include version info.
(Again. Sometimes I think ln -s /usr/src/linux/.config .signature)
-
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