Messages in this thread | | | Date | Thu, 27 Feb 2003 19:02:20 -0800 | From | Janet Morgan <> | Subject | Re: 2.5.63 BUG in deadline-iosched.c |
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Andrew Morton wrote:
> Janet Morgan <janetmor@us.ibm.com> wrote: > > > > I got this on 2.5.63 while running the "find" command: > > > > kernel BUG at drivers/block/deadline-iosched.c:145! > > invalid operand: 0000 > > CPU: 3 > > EIP: 0060:[<c026f8a1>] Not tainted > > EFLAGS: 00010046 > > EIP is at deadline_find_drq_hash+0x41/0xb0 > > eax: f76fe060 ebx: f76fe058 ecx: f76fe060 edx: 00000000 > > esi: f76fe060 edi: f76fe044 ebp: f76fe050 esp: f7e27c88 > > ds: 007b es: 007b ss: 0068 > > Process pdflush (pid: 16, threadinfo=f7e26000 task=c3b39300) > > Stack: 010d7ce6 00000000 f7fd2ae0 f7fd2ae0 f7fd2ae0 f7747f80 c026fbc9 > > f7747f80 > > 010d7ce6 00000000 f7747f80 00000000 f7759000 f7759000 00000008 > > c026a438 > > f7759000 f7e27cf8 f7fd2ae0 c026cc58 f7759000 f7e27cf8 f7fd2ae0 > > 010d7ce6 > > Call Trace: > > [<c026fbc9>] deadline_merge+0x49/0x120 > > [<c026a438>] elv_merge+0x18/0x30 > > [<c026cc58>] __make_request+0xb8/0x440 > > Nick, could this be caused by a stale next_drq[] entry? > > If so, > > http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.5/2.5.63/2.5.63-mm1/broken-out/deadline-dispatching-fix.patch > > is designed to fix it.
Thanks Andrew. 2.5.63-mm1 fixes the problem.
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