Build is broken. Exits with Error 1 when building vmlinux #72
Comments
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Also this just prior. WARNING: modpost: Found 1 section mismatch(es). |
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make ARCH=arm exynos4_defconfig seems to build without errors. |
mihailescu2m
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Aug 9, 2016
objdump's raw insn output can vary across architectures on the number of bytes per chunk (bpc) displayed and their endianness. The code-reading test relied on reading objdump output as 1 bpc. Kaixu Xia reported test failure on ARM64, where objdump displays 4 bpc: 70c48: f90027bf str xzr, [x29,hardkernel#72] 70c4c: 91224000 add x0, x0, #0x890 70c50: f90023a0 str x0, [x29,hardkernel#64] This patch adds support to read raw insn output for any bpc length. In case of 2+ bpc it also guesses objdump's display endian. Reported-and-Tested-by: Kaixu Xia <xiakaixu@huawei.com> Signed-off-by: Jan Stancek <jstancek@redhat.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/07f0f7bcbda78deb423298708ef9b6a54d6b92bd.1452592712.git.jstancek@redhat.com [ Fix up pr_fmt() call to use %zd for size_t variables, fixing the build on Ubuntu cross-compiling to armhf and ppc64 ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Dmole
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Oct 6, 2016
On lubbock board, the probe of the driver crashes by dereferencing very early a platform_data structure which is not set, in pxa2xx_configure_sockets(). The stack fixed is : [ 0.244353] SA1111 Microprocessor Companion Chip: silicon revision 1, metal revision 1 [ 0.256321] sa1111 sa1111: Providing IRQ336-390 [ 0.340899] clocksource: Switched to clocksource oscr0 [ 0.472263] Unable to handle kernel NULL pointer dereference at virtual address 00000004 [ 0.480469] pgd = c0004000 [ 0.483432] [00000004] *pgd=00000000 [ 0.487105] Internal error: Oops: f5 [hardkernel#1] ARM [ 0.491497] Modules linked in: [ 0.494650] CPU: 0 PID: 1 Comm: swapper Not tainted 4.8.0-rc3-00080-g1aaa68426f0c-dirty #2068 [ 0.503229] Hardware name: Intel DBPXA250 Development Platform (aka Lubbock) [ 0.510344] task: c3e42000 task.stack: c3e44000 [ 0.514984] PC is at pxa2xx_configure_sockets+0x4/0x24 (drivers/pcmcia/pxa2xx_base.c:227) [ 0.520193] LR is at pcmcia_lubbock_init+0x1c/0x38 [ 0.525079] pc : [<c0247c30>] lr : [<c02479b0>] psr: a0000053 [ 0.525079] sp : c3e45e70 ip : 100019ff fp : 00000000 [ 0.536651] r10: c0828900 r9 : c0434838 r8 : 00000000 [ 0.541953] r7 : c0820700 r6 : c0857b30 r5 : c3ec1400 r4 : c0820758 [ 0.548549] r3 : 00000000 r2 : 0000000c r1 : c3c09c40 r0 : c3ec1400 [ 0.555154] Flags: NzCv IRQs on FIQs off Mode SVC_32 ISA ARM Segment none [ 0.562450] Control: 0000397f Table: a0004000 DAC: 00000053 [ 0.568257] Process swapper (pid: 1, stack limit = 0xc3e44190) [ 0.574154] Stack: (0xc3e45e70 to 0xc3e46000) [ 0.578610] 5e60: c4849800 00000000 c3ec1400 c024769c [ 0.586928] 5e80: 00000000 c3ec140c c3c0ee0c c3ec1400 c3ec1434 c020c410 c3ec1400 c3ec1434 [ 0.595244] 5ea0: c0820700 c080b408 c0828900 c020c5f8 00000000 c0820700 c020c578 c020ac5c [ 0.603560] 5ec0: c3e687cc c3e71e10 c0820700 00000000 c3c02de0 c020bae4 c03c62f7 c03c62f7 [ 0.611872] 5ee0: c3e68780 c0820700 c042e034 00000000 c043c440 c020cdec c080b408 00000005 [ 0.620188] 5f00: c042e034 c00096c0 c0034440 c01c730c 20000053 ffffffff 00000000 00000000 [ 0.628502] 5f20: 00000000 c3ffcb87 c3ffcb90 c00346ac c3e66ba0 c03f7914 00000092 00000005 [ 0.636811] 5f40: 00000005 c03f847c 00000091 c03f847c 00000000 00000005 c0434828 00000005 [ 0.645125] 5f60: c043482c 00000092 c043c440 c0828900 c0434838 c0418d2c 00000005 00000005 [ 0.653430] 5f80: 00000000 c041858c 00000000 c032e9f0 00000000 00000000 00000000 00000000 [ 0.661729] 5fa0: 00000000 c032e9f8 00000000 c000f0f0 00000000 00000000 00000000 00000000 [ 0.670020] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.678311] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [ 0.686673] (pxa2xx_configure_sockets) from pcmcia_lubbock_init (/drivers/pcmcia/sa1111_lubbock.c:161) [ 0.696026] (pcmcia_lubbock_init) from pcmcia_probe (/drivers/pcmcia/sa1111_generic.c:213) [ 0.704358] (pcmcia_probe) from driver_probe_device (/drivers/base/dd.c:378 /drivers/base/dd.c:499) [ 0.712848] (driver_probe_device) from __driver_attach (/./include/linux/device.h:983 /drivers/base/dd.c:733) [ 0.721414] (__driver_attach) from bus_for_each_dev (/drivers/base/bus.c:313) [ 0.729723] (bus_for_each_dev) from bus_add_driver (/drivers/base/bus.c:708) [ 0.738036] (bus_add_driver) from driver_register (/drivers/base/driver.c:169) [ 0.746185] (driver_register) from do_one_initcall (/init/main.c:778) [ 0.754561] (do_one_initcall) from kernel_init_freeable (/init/main.c:843 /init/main.c:851 /init/main.c:869 /init/main.c:1016) [ 0.763409] (kernel_init_freeable) from kernel_init (/init/main.c:944) [ 0.771660] (kernel_init) from ret_from_fork (/arch/arm/kernel/entry-common.S:119) [ 0.779347] Code: c03c6305 c03c631e c03c632e e5903048 (e993000c) All code ======== 0: c03c6305 eorsgt r6, ip, r5, lsl hardkernel#6 4: c03c631e eorsgt r6, ip, lr, lsl r3 8: c03c632e eorsgt r6, ip, lr, lsr hardkernel#6 c: e5903048 ldr r3, [r0, hardkernel#72] ; 0x48 10:* e993000c ldmib r3, {r2, r3} <-- trapping instruction Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
mihailescu2m
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Oct 31, 2017
kvmppc_gpa_to_ua() accesses KVM memory slot array via
srcu_dereference_check() and this produces warnings from RCU like below.
This extends the existing srcu_read_lock/unlock to cover that
kvmppc_gpa_to_ua() as well.
We did not hit this before as this lock is not needed for the realmode
handlers and hash guests would use the realmode path all the time;
however the radix guests are always redirected to the virtual mode
handlers and hence the warning.
[ 68.253798] ./include/linux/kvm_host.h:575 suspicious rcu_dereference_check() usage!
[ 68.253799]
other info that might help us debug this:
[ 68.253802]
rcu_scheduler_active = 2, debug_locks = 1
[ 68.253804] 1 lock held by qemu-system-ppc/6413:
[ 68.253806] #0: (&vcpu->mutex){+.+.}, at: [<c00800000e3c22f4>] vcpu_load+0x3c/0xc0 [kvm]
[ 68.253826]
stack backtrace:
[ 68.253830] CPU: 92 PID: 6413 Comm: qemu-system-ppc Tainted: G W 4.14.0-rc3-00553-g432dcba58e9c-dirty hardkernel#72
[ 68.253833] Call Trace:
[ 68.253839] [c000000fd3d9f790] [c000000000b7fcc8] dump_stack+0xe8/0x160 (unreliable)
[ 68.253845] [c000000fd3d9f7d0] [c0000000001924c0] lockdep_rcu_suspicious+0x110/0x180
[ 68.253851] [c000000fd3d9f850] [c0000000000e825c] kvmppc_gpa_to_ua+0x26c/0x2b0
[ 68.253858] [c000000fd3d9f8b0] [c00800000e3e1984] kvmppc_h_put_tce+0x12c/0x2a0 [kvm]
Fixes: 121f80b ("KVM: PPC: VFIO: Add in-kernel acceleration for VFIO")
Cc: stable@vger.kernel.org # v4.12+
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Dmole
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Aug 17, 2018
commit 506a66f upstream Dave Hansen reported, that it's outright dangerous to keep SMT siblings disabled completely so they are stuck in the BIOS and wait for SIPI. The reason is that Machine Check Exceptions are broadcasted to siblings and the soft disabled sibling has CR4.MCE = 0. If a MCE is delivered to a logical core with CR4.MCE = 0, it asserts IERR#, which shuts down or reboots the machine. The MCE chapter in the SDM contains the following blurb: Because the logical processors within a physical package are tightly coupled with respect to shared hardware resources, both logical processors are notified of machine check errors that occur within a given physical processor. If machine-check exceptions are enabled when a fatal error is reported, all the logical processors within a physical package are dispatched to the machine-check exception handler. If machine-check exceptions are disabled, the logical processors enter the shutdown state and assert the IERR# signal. When enabling machine-check exceptions, the MCE flag in control register CR4 should be set for each logical processor. Reverting the commit which ignores siblings at enumeration time solves only half of the problem. The core cpuhotplug logic needs to be adjusted as well. This thoughtful engineered mechanism also turns the boot process on all Intel HT enabled systems into a MCE lottery. MCE is enabled on the boot CPU before the secondary CPUs are brought up. Depending on the number of physical cores the window in which this situation can happen is smaller or larger. On a HSW-EX it's about 750ms: MCE is enabled on the boot CPU: [ 0.244017] mce: CPU supports 22 MCE banks The corresponding sibling hardkernel#72 boots: [ 1.008005] .... node #0, CPUs: hardkernel#72 That means if an MCE hits on physical core 0 (logical CPUs 0 and 72) between these two points the machine is going to shutdown. At least it's a known safe state. It's obvious that the early boot can be hit by an MCE as well and then runs into the same situation because MCEs are not yet enabled on the boot CPU. But after enabling them on the boot CPU, it does not make any sense to prevent the kernel from recovering. Adjust the nosmt kernel parameter documentation as well. Reverts: 2207def ("x86/apic: Ignore secondary threads if nosmt=force") Reported-by: Dave Hansen <dave.hansen@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mihailescu2m
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Jan 21, 2019
Hammering the "bank enable" (PBKEN) bit on and off between every command crashes the Nomadik NHK15 with this message: Scanning device for bad blocks Unhandled fault: external abort on non-linefetch (0x008) at 0xcc95e000 pgd = (ptrval) [cc95e000] *pgd=0b808811, *pte=40000653, *ppte=40000552 Internal error: : 8 [#1] PREEMPT ARM Modules linked in: CPU: 0 PID: 1 Comm: swapper Not tainted 4.20.0-rc2+ hardkernel#72 Hardware name: Nomadik STn8815 PC is at fsmc_exec_op+0x194/0x204 (...) After a discussion we (me and Boris Brezillon) start to suspect that this bit does not immediately control the chip select line at all, it rather enables access to the bank and the hardware will drive the CS autonomously. If there is a NAND chip connected, we should keep this enabled. As fsmc_nand_setup() sets this bit, we can simply remove the offending code. Fixes: 550b9fc ("mtd: rawnand: fsmc: Stop implementing ->select_chip()") Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
ardje
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Mar 27, 2019
commit baef1c9 upstream. Using the batch API from the interconnect driver sometimes leads to a KASAN error due to an access to freed memory. This is easier to trigger with threadirqs on the kernel commandline. BUG: KASAN: use-after-free in rpmh_tx_done+0x114/0x12c Read of size 1 at addr fffffff51414ad84 by task irq/110-apps_rs/57 CPU: 0 PID: 57 Comm: irq/110-apps_rs Tainted: G W 4.19.10 hardkernel#72 Call trace: dump_backtrace+0x0/0x2f8 show_stack+0x20/0x2c __dump_stack+0x20/0x28 dump_stack+0xcc/0x10c print_address_description+0x74/0x240 kasan_report+0x250/0x26c __asan_report_load1_noabort+0x20/0x2c rpmh_tx_done+0x114/0x12c tcs_tx_done+0x450/0x768 irq_forced_thread_fn+0x58/0x9c irq_thread+0x120/0x1dc kthread+0x248/0x260 ret_from_fork+0x10/0x18 Allocated by task 385: kasan_kmalloc+0xac/0x148 __kmalloc+0x170/0x1e4 rpmh_write_batch+0x174/0x540 qcom_icc_set+0x8dc/0x9ac icc_set+0x288/0x2e8 a6xx_gmu_stop+0x320/0x3c0 a6xx_pm_suspend+0x108/0x124 adreno_suspend+0x50/0x60 pm_generic_runtime_suspend+0x60/0x78 __rpm_callback+0x214/0x32c rpm_callback+0x54/0x184 rpm_suspend+0x3f8/0xa90 pm_runtime_work+0xb4/0x178 process_one_work+0x544/0xbc0 worker_thread+0x514/0x7d0 kthread+0x248/0x260 ret_from_fork+0x10/0x18 Freed by task 385: __kasan_slab_free+0x12c/0x1e0 kasan_slab_free+0x10/0x1c kfree+0x134/0x588 rpmh_write_batch+0x49c/0x540 qcom_icc_set+0x8dc/0x9ac icc_set+0x288/0x2e8 a6xx_gmu_stop+0x320/0x3c0 a6xx_pm_suspend+0x108/0x124 adreno_suspend+0x50/0x60 cr50_spi spi5.0: SPI transfer timed out pm_generic_runtime_suspend+0x60/0x78 __rpm_callback+0x214/0x32c rpm_callback+0x54/0x184 rpm_suspend+0x3f8/0xa90 pm_runtime_work+0xb4/0x178 process_one_work+0x544/0xbc0 worker_thread+0x514/0x7d0 kthread+0x248/0x260 ret_from_fork+0x10/0x18 The buggy address belongs to the object at fffffff51414ac80 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 260 bytes inside of 512-byte region [fffffff51414ac80, fffffff51414ae80) The buggy address belongs to the page: page:ffffffbfd4505200 count:1 mapcount:0 mapping:fffffff51e00c680 index:0x0 compound_mapcount: 0 flags: 0x4000000000008100(slab|head) raw: 4000000000008100 ffffffbfd4529008 ffffffbfd44f9208 fffffff51e00c680 raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: fffffff51414ac80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fffffff51414ad00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >fffffff51414ad80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ fffffff51414ae00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fffffff51414ae80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc The batch API sets the same completion for each rpmh message that's sent and then loops through all the messages and waits for that single completion declared on the stack to be completed before returning from the function and freeing the message structures. Unfortunately, some messages may still be in process and 'stuck' in the TCS. At some later point, the tcs_tx_done() interrupt will run and try to process messages that have already been freed at the end of rpmh_write_batch(). This will in turn access the 'needs_free' member of the rpmh_request structure and cause KASAN to complain. Furthermore, if there's a message that's completed in rpmh_tx_done() and freed immediately after the complete() call is made we'll be racing with potentially freed memory when accessing the 'needs_free' member: CPU0 CPU1 ---- ---- rpmh_tx_done() complete(&compl) wait_for_completion(&compl) kfree(rpm_msg) if (rpm_msg->needs_free) <KASAN warning splat> Let's fix this by allocating a chunk of completions for each message and waiting for all of them to be completed before returning from the batch API. Alternatively, we could wait for the last message in the batch, but that may be a more complicated change because it looks like tcs_tx_done() just iterates through the indices of the queue and completes each message instead of tracking the last inserted message and completing that first. Fixes: c8790cb ("drivers: qcom: rpmh: add support for batch RPMH request") Cc: Lina Iyer <ilina@codeaurora.org> Cc: "Raju P.L.S.S.S.N" <rplsssn@codeaurora.org> Cc: Matthias Kaehlcke <mka@chromium.org> Cc: Evan Green <evgreen@chromium.org> Cc: stable@vger.kernel.org Reviewed-by: Lina Iyer <ilina@codeaurora.org> Reviewed-by: Evan Green <evgreen@chromium.org> Signed-off-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mdrjr
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Aug 5, 2019
[ Upstream commit 23377c2 ] When the device is disconnected while passing traffic it is possible to receive out of order urbs causing a memory leak since the skb linked to the current tx urb is not removed. Fix the issue deallocating the skb cleaning up the tx ring. Moreover this patch fixes the following kernel warning [ 57.480771] usb 1-1: USB disconnect, device number 2 [ 57.483451] ------------[ cut here ]------------ [ 57.483462] TX urb mismatch [ 57.483481] WARNING: CPU: 1 PID: 32 at drivers/net/wireless/mediatek/mt7601u/dma.c:245 mt7601u_complete_tx+0x165/00 [ 57.483483] Modules linked in: [ 57.483496] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.2.0-rc1+ #72 [ 57.483498] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.12.0-2.fc30 04/01/2014 [ 57.483502] Workqueue: usb_hub_wq hub_event [ 57.483507] RIP: 0010:mt7601u_complete_tx+0x165/0x1e0 [ 57.483510] Code: 8b b5 10 04 00 00 8b 8d 14 04 00 00 eb 8b 80 3d b1 cb e1 00 00 75 9e 48 c7 c7 a4 ea 05 82 c6 05 f [ 57.483513] RSP: 0000:ffffc900000a0d28 EFLAGS: 00010092 [ 57.483516] RAX: 000000000000000f RBX: ffff88802c0a62c0 RCX: ffffc900000a0c2c [ 57.483518] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff810a8371 [ 57.483520] RBP: ffff88803ced6858 R08: 0000000000000000 R09: 0000000000000001 [ 57.483540] R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000046 [ 57.483542] R13: ffff88802c0a6c88 R14: ffff88803baab540 R15: ffff88803a0cc078 [ 57.483548] FS: 0000000000000000(0000) GS:ffff88803eb00000(0000) knlGS:0000000000000000 [ 57.483550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.483552] CR2: 000055e7f6780100 CR3: 0000000028c86000 CR4: 00000000000006a0 [ 57.483554] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.483556] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.483559] Call Trace: [ 57.483561] <IRQ> [ 57.483565] __usb_hcd_giveback_urb+0x77/0xe0 [ 57.483570] xhci_giveback_urb_in_irq.isra.0+0x8b/0x140 [ 57.483574] handle_cmd_completion+0xf5b/0x12c0 [ 57.483577] xhci_irq+0x1f6/0x1810 [ 57.483581] ? lockdep_hardirqs_on+0x9e/0x180 [ 57.483584] ? _raw_spin_unlock_irq+0x24/0x30 [ 57.483588] __handle_irq_event_percpu+0x3a/0x260 [ 57.483592] handle_irq_event_percpu+0x1c/0x60 [ 57.483595] handle_irq_event+0x2f/0x4c [ 57.483599] handle_edge_irq+0x7e/0x1a0 [ 57.483603] handle_irq+0x17/0x20 [ 57.483607] do_IRQ+0x54/0x110 [ 57.483610] common_interrupt+0xf/0xf [ 57.483612] </IRQ> Acked-by: Jakub Kicinski <kubakici@wp.pl> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
mdrjr
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Aug 29, 2019
[ Upstream commit 23377c2 ] When the device is disconnected while passing traffic it is possible to receive out of order urbs causing a memory leak since the skb linked to the current tx urb is not removed. Fix the issue deallocating the skb cleaning up the tx ring. Moreover this patch fixes the following kernel warning [ 57.480771] usb 1-1: USB disconnect, device number 2 [ 57.483451] ------------[ cut here ]------------ [ 57.483462] TX urb mismatch [ 57.483481] WARNING: CPU: 1 PID: 32 at drivers/net/wireless/mediatek/mt7601u/dma.c:245 mt7601u_complete_tx+0x165/00 [ 57.483483] Modules linked in: [ 57.483496] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.2.0-rc1+ #72 [ 57.483498] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.12.0-2.fc30 04/01/2014 [ 57.483502] Workqueue: usb_hub_wq hub_event [ 57.483507] RIP: 0010:mt7601u_complete_tx+0x165/0x1e0 [ 57.483510] Code: 8b b5 10 04 00 00 8b 8d 14 04 00 00 eb 8b 80 3d b1 cb e1 00 00 75 9e 48 c7 c7 a4 ea 05 82 c6 05 f [ 57.483513] RSP: 0000:ffffc900000a0d28 EFLAGS: 00010092 [ 57.483516] RAX: 000000000000000f RBX: ffff88802c0a62c0 RCX: ffffc900000a0c2c [ 57.483518] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff810a8371 [ 57.483520] RBP: ffff88803ced6858 R08: 0000000000000000 R09: 0000000000000001 [ 57.483540] R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000046 [ 57.483542] R13: ffff88802c0a6c88 R14: ffff88803baab540 R15: ffff88803a0cc078 [ 57.483548] FS: 0000000000000000(0000) GS:ffff88803eb00000(0000) knlGS:0000000000000000 [ 57.483550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.483552] CR2: 000055e7f6780100 CR3: 0000000028c86000 CR4: 00000000000006a0 [ 57.483554] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.483556] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.483559] Call Trace: [ 57.483561] <IRQ> [ 57.483565] __usb_hcd_giveback_urb+0x77/0xe0 [ 57.483570] xhci_giveback_urb_in_irq.isra.0+0x8b/0x140 [ 57.483574] handle_cmd_completion+0xf5b/0x12c0 [ 57.483577] xhci_irq+0x1f6/0x1810 [ 57.483581] ? lockdep_hardirqs_on+0x9e/0x180 [ 57.483584] ? _raw_spin_unlock_irq+0x24/0x30 [ 57.483588] __handle_irq_event_percpu+0x3a/0x260 [ 57.483592] handle_irq_event_percpu+0x1c/0x60 [ 57.483595] handle_irq_event+0x2f/0x4c [ 57.483599] handle_edge_irq+0x7e/0x1a0 [ 57.483603] handle_irq+0x17/0x20 [ 57.483607] do_IRQ+0x54/0x110 [ 57.483610] common_interrupt+0xf/0xf [ 57.483612] </IRQ> Acked-by: Jakub Kicinski <kubakici@wp.pl> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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I've tried multiple things and this continues to happen.
]$ make ARCH=arm -j4 zImage modules
drivers/built-in.o: In function
lowmem_shrink': /home/icebrkr/odroid/odroid.3.0.y-android/drivers/staging/android/lowmemorykiller.c:163: undefined reference tocompact_nodes'make: *** [.tmp_vmlinux1] Error 1
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