From: "Steve Schmidtke" <steve_schmidtke@hotmail.com>
To: petschge@gmx.de
Cc: User-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] Problem with 2.4.22-um4
Date: Wed, 17 Sep 2003 15:08:49 +0000 [thread overview]
Message-ID: <BAY7-F103PPYPeOqp2N00015916@hotmail.com> (raw)
petschge@gmx.de wrote:
>Checking that host ptys support output SIGIO...<0>Kernel panic: check_sigio
>: read failed, err = -1
>
>In idle task - not syncing
>
>The host kernel is a 2.4.18 kernel patched by SuSE _without_ skas support.
>gcc version is 2.95.3.
>
>Is this a know bug?
Jeff didn't like a part of my patch, but didn't back out all of the related
bits. I've sent him a patch that should fix this issue, but havn't heard
back if he likes it any better.
In the mean time you can hand apply this diff to
arch/um/kernel/sigio_user.c:tty_output()
- else if(n == -EAGAIN) printk("No, enabling workaround\n");
- else panic("check_sigio : read failed, err = %d\n", n);
+ else if(errno == EAGAIN) printk("No, enabling workaround\n");
+ else panic("check_sigio : read failed, errno = %d\n", errno);
Steve Schmidtke
>Is 2.4.22-um4 unusable without skas? Is this related to the patch in
>arch/um/drivers/ubd_user.c? (Neither the patch from Ross Combs nor the
>patch named ubd_start_io_thread.diff from Steve Schmidtke fix this error)
>
>mfg,
>Patrick "Petschge" Kilian
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next reply other threads:[~2003-09-17 15:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-17 15:08 Steve Schmidtke [this message]
2003-09-17 22:20 ` [uml-devel] Problem with 2.4.22-um4 Jeff Dike
2003-09-18 12:14 ` Patrick "Petschge" Kilian
-- strict thread matches above, loose matches on Subject: below --
2003-09-17 10:52 Patrick Kilian
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