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[Bug 1037415] parport_pc oops on armv7
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Wed, 28 Jun 2017 14:42:27 +0000
  • Message-id: <>

Jiri Slaby <jslaby@xxxxxxxx> changed:

What |Removed |Added
CC| |afaerber@xxxxxxxx,
| |agraf@xxxxxxxx

--- Comment #1 from Jiri Slaby <jslaby@xxxxxxxx> ---
Hmm, fee00000 is an PCI I/O base, so parport_pc is probing port 0x2e which is
not mapped, obviously:

static void detect_and_report_it87(void)
u16 dev;
u8 origval, r;
if (verbose_probing)
printk(KERN_DEBUG "IT8705 Super-IO detection, now testing port
2E ...\n");
if (!request_muxed_region(0x2e, 2, __func__))
origval = inb(0x2e); /* Save original value */

The crash is on the last line, but I actually don't know what the best fix
would be here...

Addind ARM fellows to CC.

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