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Messages in this thread Complete thread (EXPERIMENTAL) |
On Sunday, 9 of March 2008, Jiri Slaby wrote:
On 03/07/2008 11:08 AM, Ingo Molnar wrote:
randconfig testing found a bootup lockup in drivers/char/esp.c - find
the fix below. Not sure why it became more prominent in 2.6.25-rc4, the
bug seems rather old and i've been doing allyesconfig bootups for ages
with CONFIG_ESP enabled.
Good catch, thanks.-------------> Subject: drivers/char/esp.c: fix bootup lockup From: Ingo Molnar <mingo@elte.hu> Date: Fri Mar 07 10:47:43 CET 2008 fix this bootup lockup: PM: Adding info for No Bus:ttyP63 ttyP32 at 0x0240 (irq = 0) is an ESP primary port BUG: spinlock lockup on CPU#0, swapper/1, f56dd004 Pid: 1, comm: swapper Not tainted 2.6.25-rc4-sched-devel.git-x86-latest.git #402 [<c03ac6f4>] _raw_spin_lock+0x134/0x140 [<c08649be>] _spin_lock_irqsave+0x5e/0x80 [<c0b9fbfe>] ? espserial_init+0x2be/0x6e0 [<c0b9fbfe>] espserial_init+0x2be/0x6e0 [<c0b877a3>] kernel_init+0x83/0x260 [<c0b9f940>] ? espserial_init+0x0/0x6e0 [<c010416a>] ? restore_nocheck_notrace+0x0/0xe [<c0b87720>] ? kernel_init+0x0/0x260 [<c0b87720>] ? kernel_init+0x0/0x260 [<c0104507>] kernel_thread_helper+0x7/0x10 ======================= kzalloc() is not the way to initialize spinlocks anymore. Is this a regression from 2.6.24? I don't think so, the init code hasn't been touched for years... regards, --js | ||||||||||
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