From: Taral <taral@taral.net>
To: linux-kernel@vger.kernel.org
Subject: USB lockup on Thinkpad i1300
Date: Sat, 22 Sep 2001 04:45:27 -0500 [thread overview]
Message-ID: <20010922044527.A23908@taral.net> (raw)
My thinkpad happily locks up with both 2.4.9 and 2.4.10-pre14 when I
load usb-ohci. Tracing with kdb shows that the system locks up right
after executing this: (usb-ohci.c:2137)
/* HC Reset requires max 10 ms delay */
writel (OHCI_HCR, &ohci->regs->cmdstatus);
Anyone have any idea? The processor apparently never gets to the next
instruction.
[Cc: me please, I'm not on this list.]
P.S. System chipset is ALi:
00:14.0 USB Controller: Acer Laboratories Inc. [ALi] M5237 USB (rev 03) (prog-if 10 [OHCI])
Flags: bus master, medium devsel, latency 32, IRQ 10
Memory at 82400000 (32-bit, non-prefetchable) [size=4K]
Shares IRQ with cardbus bridge and lcd controller.
--
Taral <taral@taral.net>
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"Any technology, no matter how primitive, is magic to those who don't
understand it." -- Florence Ambrose
next reply other threads:[~2001-09-22 9:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-22 9:45 Taral [this message]
2001-09-22 16:50 ` USB lockup on Thinkpad i1300 Alan Cox
2001-09-22 21:03 ` Taral
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